River Forest, IL

5:44 PM CDT on May 23, 2013 (GMT -0500)
Elev: 646 ft
Lon: 87.8° W
Lat: 41.9° N
Source
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Tropical Weather: Invest 91E (East Pacific)
News
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May 23, 2013
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'Good Job, Teach': Teachers Emerge as Heroes in Moore
May 22, 2013
In the wake of the devastating tornado that struck Moore, Okla., teachers and educators emerge as heroes.
Billions in Damage: Costliest Tornadoes in U.S. History
May 23, 2013
The Moore tornado may have been among the costliest in U.S. history. We count down the top 5 prior to this tornado.
Notorious Moore, Oklahoma City Tornado History
May 22, 2013
The long, tornadic history of the Oklahoma City metro area.
Tornado Survivor: 'It Took 30 Seconds For It All to Be Gone'
May 22, 2013
Moore, Okla. tornado survivor Bernie Morris recalls the chaos and devastation of the May 20 twister that struck the area.
$2 Billion in Okla. Tornado Damage Means Hard Recovery
May 23, 2013
Officials say the focus is now on cleanup in the wake of the deadly EF5 tornado in Moore, Okla.
Tornado Doctor Sees "Utter Destruction"
May 22, 2013
When a rare EF5 tornado hit Moore, Okla., on Monday afternoon, the citys medical professionals ran toward the destruction not away from it.
After the Storm: Deadly Flesh-Eating Infections?
May 22, 2013
For survivors of Mondays devastating tornado that killed at least 24 and injured 120 more in suburban Oklahoma, the health threat might not end with the storm.
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May 23, 2013
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Joplin's New Hospital is First of Its Kind
May 22, 2013
Two years after the EF5 tornado wrecked St. Johns Regional Medical Center in Joplin, construction continues on a new, sturdier hospital.
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May 22, 2013
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May 23, 2013
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May 22, 2013
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May 22, 2013
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May 22, 2013
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May 21, 2013
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Weather Summary
Kari Kiefer
Weather Underground midday recap for Thursday, May 23, 2013.

Severe storms developed over the Southern Plains from northern Texas through northern Oklahoma on Thursday. A trough of low pressure lingered over the region, which pulled moisture and energy in from the Gulf of Mexico. This allowed for showers and thunderstorms to develop in these areas, some of which turned severe with large hail, damaging winds, and periods of heavy rainfall. A brief tornado was reported near Cedar Hill, Texas. Hail 2.5 inches in diameter was reported near Davis, Oklahoma and 65 mph winds were reported at Newcastle and Dickson, Oklahoma. Rainfall totals varied over 2 inches with this system. Oklahoma City reported a mid-day total of 2.92 inches of rain.

Meanwhile in the East, a trough of low pressure over the East Coast allowed for a strong cold front to stretch from the Northeast through the Eastern Valleys. Moisture ahead of this front allowed for showers to develop from the Carolinas through Maine, with some areas of thunderstorms. There was a slight chance that these storms would turn severe from Virginia through New Hampshire, but severe storms have not developed.

Meanwhile Out West, a low pressure system mover the Rockies maintained widespread showers across the Pacific Northwest and Northern Rockies. Strong winds developed ahead of this system from eastern Montana through western Colorado. Gillette, Wyoming reported maximum winds up to 56 mph.
Weather Underground midday recap for Thursday, May 23, 2013.

Severe storms developed over the Southern Plains from northern Texas through northern Oklahoma on Thursday. A trough of low pressure lingered over the region, which pulled moisture and energy in from the Gulf of Mexico. This allowed for showers and thunderstorms to develop in these areas, some of which turned severe with large hail, damaging winds, and periods of heavy rainfall. A brief tornado was reported near Cedar Hill, Texas. Hail 2.5 inches in diameter was reported near Davis, Oklahoma and 65 mph winds were reported at Newcastle and Dickson, Oklahoma. Rainfall totals varied over 2 inches with this system. Oklahoma City reported a mid-day total of 2.92 inches of rain.

Meanwhile in the East, a trough of low pressure over the East Coast allowed for a strong cold front to stretch from the Northeast through the Eastern Valleys. Moisture ahead of this front allowed for showers to develop from the Carolinas through Maine, with some areas of thunderstorms. There was a slight chance that these storms would turn severe from Virginia through New Hampshire, but severe storms have not developed.

Meanwhile Out West, a low pressure system mover the Rockies maintained widespread showers across the Pacific Northwest and Northern Rockies. Strong winds developed ahead of this system from eastern Montana through western Colorado. Gillette, Wyoming reported maximum winds up to 56 mph.
More News Articles

River Forest Weather at a Glance

Updated 5:31 PM CDT
Elevation
633 ft
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Now
Partly Cloudy
Partly Cloudy
Temperature
49.3 °F
Feels Like 47 °F
Wind(mph)
5.0
Sunrise / Set
5:23 AM
8:12 PM
Moon
Waxing Gibbous
Tonight
Clear 43 °F
Clear
Tomorrow
Clear 64 °F
Clear
Tomorrow Night
Partly Cloudy 45 °F
Partly Cloudy
Saturday
Chance of a Thunderstorm 59 | 50 °F
Chance of a Thunderstorm
20% chance of precipitation
Sunday
Chance of Rain 73 | 50 °F
Chance of Rain
40% chance of precipitation
Monday
Chance of Rain 79 | 46 °F
Chance of Rain
50% chance of precipitation
Tomorrow is forecast to be Warmer than today.
Conditions
Pressure
30.16 in
Visibility
10.0 miles
Clouds
Few 2800 ft
Moisture
Humidity
67%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KORD 232151Z 02014G20KT 10SM FEW028 12/05 A3016 RMK AO2 SLP213 T01170050 $
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Windchill
47 °F
Dew Point
39 °F
Wind
Speed / Dir
5.0 mph from NNE
Wind Gust
18.0 mph
Health
UV
4 out of 16
Pollen
5.60 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Moderate
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Thursday Night
nt_clear Clear. Low of 43F. Breezy. Winds from the North at 10 to 20 mph with gusts to 30 mph.
Friday
clear Clear. High of 64F. Winds from the NNE at 5 to 10 mph.
Friday Night
nt_partlycloudy Clear in the evening, then partly cloudy. Low of 45F. Winds less than 5 mph.
Saturday
partlycloudy Partly cloudy with a chance of rain. High of 59F. Winds from the ESE at 5 to 10 mph. Chance of rain 20%.
Saturday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 50F. Winds from the NNW at 5 to 10 mph shifting to the East after midnight.
Sunday
chancerain Partly cloudy with a chance of rain in the afternoon. High of 73F. Winds from the SE at 5 to 10 mph. Chance of rain 40%.
Sunday Night
nt_partlycloudy Overcast in the evening, then partly cloudy with a chance of rain. Low of 50F. Winds from the SE at 5 to 10 mph. Chance of rain 20%.
Monday
chancerain Clear with a chance of rain in the morning, then overcast with a chance of rain. High of 79F. Winds from the SE at 10 to 15 mph. Chance of rain 50%.
Monday Night
nt_chancerain Mostly cloudy with a chance of rain. Low of 46F. Winds from the SE at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Tuesday
chancetstorms Overcast with a chance of a thunderstorm. High of 84F. Winds from the South at 10 to 15 mph. Chance of rain 40%.
Tuesday Night
nt_cloudy Overcast. Low of 63F. Winds from the SSW at 10 to 15 mph.
Wednesday
mostlycloudy Mostly cloudy. High of 86F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_mostlycloudy Mostly cloudy. Low of 70F. Winds from the SSW at 10 to 15 mph.
Thursday
partlycloudy Partly cloudy. High of 91F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 70F. Winds from the South at 10 to 15 mph.
Friday
partlycloudy Partly cloudy. High of 91F. Breezy. Winds from the SSW at 15 to 20 mph.
Friday Night
nt_partlycloudy Clear. Low of 70F. Winds from the SSW at 10 to 15 mph.
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 91F. Winds from the SW at 5 to 10 mph. Chance of rain 50%.
Saturday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 50% with rainfall amounts near 0.3 in. possible.
Sunday
chancerain Clear with a chance of rain. High of 88F. Winds less than 5 mph. Chance of rain 30%.
Sunday Night
nt_clear Clear. Low of 64F. Winds less than 5 mph.
Loading…
 
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Weather Forecast for River Forest IL

View Calendar 10-Day Forecast for station KILRIVER4

Thursday, 23
Chance of Rain
57 | 43 °F
Chance of Rain
Chance of
Precipitation
60%
Friday, 24
Clear
64 | 45 °F
Clear
Chance of
Precipitation
0%
Saturday, 25
Chance of a Thunderstorm
59 | 50 °F
Chance of a Thunderstorm
Chance of
Precipitation
20%
Sunday, 26
Chance of Rain
73 | 50 °F
Chance of Rain
Chance of
Precipitation
40%
Monday, 27
Chance of Rain
79 | 46 °F
Chance of Rain
Chance of
Precipitation
50%
Tuesday, 28
Chance of a Thunderstorm
84 | 63 °F
Chance of T-storms
Chance of
Precipitation
40%
Wednesday, 29
Mostly Cloudy
86 | 70 °F
Mostly Cloudy
Chance of
Precipitation
0%
Thursday, 30
Partly Cloudy
91 | 70 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 31
Partly Cloudy
91 | 70 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 1
Chance of a Thunderstorm
91 | 64 °F
Chance of T-storms
Chance of
Precipitation
50%
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Thursday Night
nt_clear Clear. Low of 43F. Breezy. Winds from the North at 10 to 20 mph with gusts to 30 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 53 | 51 51 | 42 53 | 36 47 | 37
Wind 11 mph NNE 24 mph North 19 mph NNE 12 mph North
Humidity 90% 76% 51% 67%
Chance of Precip. 60% 60% 10% 10%
Cloud Cover 98% 100% 56% 9%
Conditions Rain Showers Chance of Rain Partly Cloudy Clear
Sunrise & Sunset
5:23 AM
8:12 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.78], Average RMSE [2.04]
The National Weather Service forecast quality is fair. MaxT RMSE [2.64], Average RMSE [1.78] : Use NWS
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Friday
clear Clear. High of 64F. Winds from the NNE at 5 to 10 mph.
Friday Night
nt_partlycloudy Clear in the evening, then partly cloudy. Low of 45F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 45 | 37 59 | 36 57 | 34 47 | 37
Wind 7 mph North 8 mph NNE 8 mph ENE 3 mph ENE
Humidity 73% 41% 40% 64%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 4% 5% 10% 19%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:23 AM
8:13 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.59], Average RMSE [4.00]
The National Weather Service forecast quality is poor. MaxT RMSE [3.68], Average RMSE [3.43] : Use NWS
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Saturday
partlycloudy Partly cloudy with a chance of rain. High of 59F. Winds from the ESE at 5 to 10 mph. Chance of rain 20%.
Saturday Night
nt_partlycloudy Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 50F. Winds from the NNW at 5 to 10 mph shifting to the East after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 38 58 | 39 56 | 40 54 | 38
Wind 2 mph ENE 6 mph ESE 7 mph ESE 6 mph ENE
Humidity 71% 48% 55% 55%
Chance of Precip. 10% 20% 20% 10%
Cloud Cover 40% 56% 60% 10%
Conditions Partly Cloudy Chance of Rain Chance of Rain Clear
Sunrise & Sunset
5:22 AM
8:14 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.26], Average RMSE [3.64]
The National Weather Service forecast quality is poor. MaxT RMSE [3.96], Average RMSE [3.33] : Use NWS
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Sunday
chancerain Partly cloudy with a chance of rain in the afternoon. High of 73F. Winds from the SE at 5 to 10 mph. Chance of rain 40%.
Sunday Night
nt_partlycloudy Overcast in the evening, then partly cloudy with a chance of rain. Low of 50F. Winds from the SE at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 42 64 | 47 63 | 49 51 | 47
Wind 5 mph East 6 mph ESE 4 mph SSE 6 mph ESE
Humidity 70% 53% 61% 87%
Chance of Precip. 0% 0% 30% 10%
Cloud Cover 62% 0% 53% 96%
Conditions Partly Cloudy Clear Chance of Rain Overcast
Sunrise & Sunset
5:21 AM
8:15 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.76], Average RMSE [3.85]
The National Weather Service forecast quality is poor. MaxT RMSE [4.56], Average RMSE [3.90] : Use NWS
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Monday
chancerain Clear with a chance of rain in the morning, then overcast with a chance of rain. High of 79F. Winds from the SE at 10 to 15 mph. Chance of rain 50%.
Monday Night
nt_chancerain Mostly cloudy with a chance of rain. Low of 46F. Winds from the SE at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 47 71 | 51 64 | 52 50 | 48
Wind 8 mph SE 12 mph SE 10 mph SSE 10 mph SE
Humidity 73% 47% 67% 95%
Chance of Precip. 20% 20% 10% 30%
Cloud Cover 39% 11% 92% 0%
Conditions Chance of Rain Chance of Rain Overcast Chance of Rain
Sunrise & Sunset
5:21 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.71], Average RMSE [4.77]
The National Weather Service forecast quality is poor. MaxT RMSE [4.86], Average RMSE [3.72] : Use NWS
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Tuesday
chancetstorms Overcast with a chance of a thunderstorm. High of 84F. Winds from the South at 10 to 15 mph. Chance of rain 40%.
Tuesday Night
nt_cloudy Overcast. Low of 63F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 54 71 | 61 78 | 65 64 | 62
Wind 11 mph SSE 12 mph SSE 12 mph SSW 12 mph SSW
Humidity 73% 70% 66% 92%
Chance of Precip. 30% 20% 10% 10%
Cloud Cover 100% 96% 100% 100%
Conditions Chance of Rain Chance of Rain Overcast Overcast
Sunrise & Sunset
5:20 AM
8:17 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.75], Average RMSE [4.51]
The National Weather Service forecast quality is poor. MaxT RMSE [6.18], Average RMSE [5.67] : Use NWS
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Wednesday
mostlycloudy Mostly cloudy. High of 86F. Winds from the SSW at 10 to 15 mph.
Wednesday Night
nt_mostlycloudy Mostly cloudy. Low of 70F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 57 80 | 63 79 | 65 71 | 59
Wind 12 mph SSW 13 mph SSW 13 mph SSW 13 mph SSW
Humidity 72% 58% 66% 69%
Chance of Precip. 10% 0% 10% 0%
Cloud Cover 100% 100% 80% 79%
Conditions Overcast Overcast Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
5:19 AM
8:17 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.87], Average RMSE [5.72]
The National Weather Service forecast quality is poor. MaxT RMSE [7.30], Average RMSE [5.59] : Use NWS
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 91F. Winds from the SSW at 10 to 15 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Low of 70F. Winds from the South at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 55 87 | 60 78 | 67 71 | 66
Wind 12 mph SSW 14 mph SSW 12 mph SSW 14 mph South
Humidity 55% 42% 70% 85%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 66% 66% 68% 59%
Conditions Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
5:19 AM
8:18 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.41], Average RMSE [7.61]
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 91F. Breezy. Winds from the SSW at 15 to 20 mph.
Friday Night
nt_partlycloudy Clear. Low of 70F. Winds from the SSW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 87 | 65 85 | 69 74 | 69
Wind 14 mph SSW 16 mph SSW 13 mph SSW 11 mph SSW
Humidity 81% 50% 60% 82%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 39% 30% 31% 26%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:18 AM
8:19 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [7.77], Average RMSE [6.61]
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 91F. Winds from the SW at 5 to 10 mph. Chance of rain 50%.
Saturday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 50% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 66 87 | 67 84 | 71 76 | 65
Wind 9 mph SSW 10 mph SW 6 mph SW 4 mph SW
Humidity 77% 51% 64% 68%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 13% 23% 57% 75%
Conditions Clear Clear Partly Cloudy Mostly Cloudy
Sunrise & Sunset
5:18 AM
8:20 PM
Source: BestForecast at 8:54 AM CDT on May 23, 2013
Descriptive Forecast
Sunday
chancerain Clear with a chance of rain. High of 88F. Winds less than 5 mph. Chance of rain 30%.
Sunday Night
nt_clear Clear. Low of 64F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 58 83 | 56 79 | 55 71 | 53
Wind 2 mph SW 1 mph WSW 2 mph ENE 3 mph East
Humidity 67% 39% 43% 53%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 79% % % %
Conditions Mostly Cloudy Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Public Information Statement  (US Severe Weather)
History & Almanac
May 23, 2013 Max Temp Min Temp
Normal (KORD) 72 °F 50 °F
Record (KORD) 92 °F (1977) 37 °F (1917)
Yesterday 73 °F 52 °F
Yesterday's Heating Degree Days: 2
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
PM2.5
Yesterday Good
OZONE
Current Moderate
PM2.5
Current Good
OZONE
Thursday Good
OZONE
Friday Good
OZONE
Saturday Good
OZONE
Coastal Water Temperatures
Place Temperature
No Stations Reporting
Marine Forecast
Astronomy
May. 23, 2013 Rise Set
Actual Time 5:23 AM CDT 8:12 PM CDT
Civil Twilight 4:51 AM CDT 8:45 PM CDT
Nautical Twilight 4:09 AM CDT 9:26 PM CDT
Astronomical Twilight 3:22 AM CDT 10:14 PM CDT
Moon 6:43 PM CDT 4:10 AM CDT
Length Of Visible Light 15h 54m
Length of Day
14h 48m
Tomorrow will be 1m 38s longer.
Waxing Gibbous, 98% of the Moon is Illuminated
Today
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
77 °F
Cairo
72 °F
Metropolis
69 °F
Mount Carmel
69 °F
Macomb
69 °F
Carmi
43 °F
Chicago Lansing
46 °F
Chicago Midway
46 °F
Waukegan
48 °F
Romeoville
48 °F
Kankakee
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Chicago 53 °F Partly Cloudy 4:51 PM CDT
Chicago Midway 51 °F Partly Cloudy 4:51 PM CDT
Chicago Executive 51 °F Clear 4:52 PM CDT
Chicago DuPage 55 °F Scattered Clouds 5:19 PM CDT
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Flight To ETA Status
SWA294
Seattle, WA 		KMDW 05:25PM On Time
SWA2791
San Diego, CA 		KMDW 05:44PM On Time
FFT534
Denver, CO 		KMDW 05:47PM On Time
SWA1960
Charleston, SC 		KMDW 05:50PM On Time
SAS943
Copenhagen 		KORD 05:25PM On Time
UAL582
Toronto, Ontario 		KORD 05:35PM On Time
EGF4174
Syracuse, NY 		KORD 05:38PM On Time
SKW5319
Duluth, MN 		KORD 05:38PM On Time
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Type Condition
Flight Rule: VFR (KORD)
Wind Speed: 14.0 kts.
Wind Dir: 31° (NNE)
Ceiling: Unlimited

METAR KORD 232151Z 02014G20KT 10SM FEW028 12/05 A3016 RMK AO2 SLP213 T01170050 $

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Event Date Forecast
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2013-04-15		 Chance of a Thunderstorm, 55°F
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North Suburban Carvers 6:00 PM CDT
2013-04-15		 Rain Showers, 56°F
F-Stop Camera Club 7:00 PM CDT
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2013-04-15		 Rain Showers, 56°F
Woodcrest Neighborhood Watch 7:00 PM CDT
2013-04-15		 Chance of a Thunderstorm, 55°F
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Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
River Grove - KA9RXK, River Grove, IL 49.3 °F 47 °F 39 °F 67% NNE  at  5.0 mph 0.00 in / hr 633 ft 5:31 PM CDT Normal
Oak Park, IL, Oak Park, IL 50.9 °F - 40 °F 65% NNE  at  2.0 mph 0.00 in / hr 617 ft 5:43 PM CDT Rapid Fire
Edwin Hancock Engineering Co., Westchester, IL 50.2 °F - 39 °F 66% NW  at  8.0 mph 0.00 in / hr 630 ft 5:43 PM CDT Normal
Gladstone Park Area, Westchester, IL 51.0 °F - 38 °F 61% North  at  5.0 mph 0.00 in / hr 640 ft 5:33 PM CDT Normal  
Irving Park Rd & Pacific Ave, Chicago, IL 51.2 °F - 41 °F 67% NW  at  19.6 mph 0.00 in / hr 635 ft 5:43 PM CDT Rapid Fire
Mr. Hammes's Weather, Westchester, IL 51.1 °F - 32 °F 47% NNE  at  2.7 mph 0.00 in / hr 641 ft 5:43 PM CDT Rapid Fire  
KC9HZC, Brookfield, IL 53.4 °F - 42 °F 65% NE  at  6.9 mph 0.00 in / hr 617 ft 5:43 PM CDT Rapid Fire  
Historic East Side, Harwood Heights, IL 47.1 °F 41 °F 37 °F 67% NE  at  15.0 mph 0.00 in / hr 635 ft 5:41 PM CDT Normal
Leyden Township, Melrose Park, IL 50.7 °F - 26 °F 38% ENE  at  3.6 mph 0.00 in / hr 684 ft 5:42 PM CDT Rapid Fire  
Brookfield, IL 50.1 °F - 40 °F 69% North  at  4.0 mph 0.00 in / hr 659 ft 5:35 PM CDT Normal
AB9FX, Chicago, IL 48.8 °F 45 °F 39 °F 68% NNE  at  10.0 mph 0.00 in / hr 636 ft 5:38 PM CDT Normal
APRSWXNET Norridge IL , Chicago, IL 49 °F 45 °F 41 °F 73% NNE  at  9 mph 0.00 in / hr 656 ft 5:14 PM CDT MADIS
Stickney, IL, Stickney, IL 50.0 °F 48 °F 38 °F 63% North  at  6.0 mph 0.00 in / hr 614 ft 5:43 PM CDT Rapid Fire  
Jefferson Park, Chicago, IL 50.4 °F - 40 °F 67% ENE  at  0.0 mph 0.00 in / hr 627 ft 5:42 PM CDT Rapid Fire  
Lyons Police Department, Lyons, IL 49.6 °F 44 °F 40 °F 68% North  at  14.0 mph 0.00 in / hr 615 ft 5:43 PM CDT Rapid Fire
Lyons Illinois Weather, Lyons, IL 50.7 °F - 41 °F 69% North  at  3.0 mph 0.00 in / hr 620 ft 5:40 PM CDT Normal  
Norwood Park Township, IL 48.6 °F 44 °F 39 °F 70% NE  at  12.1 mph 0.00 in / hr 646 ft 5:43 PM CDT Rapid Fire  
E Crescent and S Poplar, Elmhurst, IL 52.0 °F - 42 °F 70% East  at  0.0 mph - / hr 685 ft 5:31 PM CDT Normal  
Irving Park, Chicago, IL 48.0 °F 46 °F 38 °F 68% West  at  5.0 mph 0.00 in / hr 600 ft 5:43 PM CDT Rapid Fire  
La Grange, La Grange, IL 50.4 °F - 38 °F 62% NE  at  10.0 mph 0.00 in / hr 650 ft 5:43 PM CDT Rapid Fire  
Bucktown, Chicago, IL 49.1 °F 46 °F 37 °F 62% North  at  7.6 mph 0.00 in / hr 600 ft 5:44 PM CDT Rapid Fire  
Rosemont, Rosemont, IL 48.4 °F 44 °F 39 °F 70% West  at  9.0 mph 0.00 in / hr 740 ft 5:42 PM CDT Normal
North Park University, Chicago, IL 48.3 °F 43 °F 38 °F 68% NE  at  13.0 mph 0.00 in / hr 617 ft 5:30 PM CDT Normal
West Lakeview, Chicago, IL 46.6 °F 41 °F 36 °F 68% NNE  at  12.0 mph 0.00 in / hr 636 ft 5:41 PM CDT Normal
Lincoln Square, CHICAGO, IL 52.2 °F - 36 °F 55% North  at  11.4 mph 0.00 in / hr 607 ft 5:43 PM CDT Rapid Fire  
Lincoln Park, Chicago, IL 47.0 °F 42 °F 36 °F 69% SE  at  12.0 mph - / hr 595 ft 3:47 PM CDT Normal  
Ridgewood, Western Springs, IL 51.4 °F - 42 °F 69% North  at  9.2 mph 0.00 in / hr 595 ft 5:40 PM CDT Normal  
South Lakeview, Chicago, IL 47.1 °F 46 °F 34 °F 59% North  at  4.0 mph 0.00 in / hr 607 ft 5:43 PM CDT Rapid Fire  
Peterson Woods, Chicago, IL 50.0 °F - 38 °F 63% SSE  at  0.2 mph 0.00 in / hr 614 ft 5:39 PM CDT Normal  
DePaul Geography, Chicago, IL 47.3 °F 47 °F 40 °F 75% NNE  at  0.0 mph 0.00 in / hr 650 ft 5:41 PM CDT Rapid Fire
Midway Airport SE corner runway 13C 12/0, Chicago, IL 50.9 °F - 32 °F 48% NNE  at  19.0 mph 0.00 in / hr 620 ft 5:41 PM CDT Normal
Wrigleyville, Chicago, IL 47.1 °F 42 °F 35 °F 62% South  at  10.0 mph 0.00 in / hr 630 ft 5:43 PM CDT Rapid Fire
West Loop, Chicago, IL 47.1 °F 47 °F 37 °F 69% SE  at  3.0 mph 0.00 in / hr 645 ft 5:43 PM CDT Normal  
fullerton, Addison, IL 54.5 °F - 45 °F 70% ENE  at  0.0 mph 0.00 in / hr 689 ft 5:29 PM CDT Normal  
Lincolnwood, Lincolnwood, IL 48.3 °F 45 °F 34 °F 58% North  at  8.0 mph 0.00 in / hr 0 ft 5:41 PM CDT Normal  
West Rogers Park, Chicago, IL 47.4 °F 43 °F 30 °F 50% North  at  9.3 mph 0.00 in / hr 595 ft 5:43 PM CDT Rapid Fire
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Public Information Statement
Mobile & Email Alerts Statement as of 3:45 PM CDT on May 23, 2013

... Lake Michigan Beach forecast season begins may 24th...

The National Weather Service Chicago office will resume issuing
surfzone forecasts for the shoreline of lake and Cook counties in
Illinois and lake and Porter counties in Indiana for the Summer
swim season beginning Friday may 24th.

New for this year: beach hazard statements...

Beach hazard statements will be issued over the Summer on days
when dangerous swimming conditions are expected. The beach hazard
statement addresses various beach hazards and replaces the rip
current statements that have been issued in past years. See the
service change notice at...
www.NWS.NOAA.Gov/om/notification/scn13-33bhs_expansion.Htm for
more details on this transition.

Swim hazard risk replaces rip current risk in the surfzone
forecast...

Part of the transition to beach hazard statements will include the
surfzone forecast. The surfzone forecast will no longer refer to
rip current risk... but instead low... moderate and high swim risk.

Factors contributing to dangerous swimming conditions...

... High waves...

High waves pose several dangers to swimmers at Lake Michigan
beaches. First... high waves will cause swimmers to become
fatigued. Large waves are very powerful and can push a person off
a sandbar and into deeper water... requiring them to swim through
a rapid succession of waves to get back to more shallow water.

... Rip currents and structural currents...

Also... high waves result in strong rip currents and strong
structural currents. Rip currents are strong channels of water that
form rapidly and flow quickly away from shore through breaks or
low spots in The Sandbar. Structural currents are strong currents
which frequently flow along piers... breakwalls... and jetties
toward deeper water offshore.

... Strong offshore winds...

Dangerous swim conditions can also develop with strong offshore
winds. Although wave heights would tend to be lower with offshore
winds... strong winds can still cause dangerous structural currents
in the Chicago area. Southerly winds over 35 mph resulted in
dangerous currents near a pier at Loyola Park beach on may 24
2012... a contributing factor in the tragic drowning of a 15 year
old female.

Furthermore... particularly at the Indiana dunes beaches... strong
southerly winds pose a unique hazard to those on rafts. These
winds can create a current that pulls rafts well away from shore
into deeper water. A 31 year old male drowned on June 18 2012 at
Lake View beach in Beverly Shores when his raft capsized and blew
away from him after drifting over a quarter mile from shore due
to 30 mph southerly winds.

Criteria for issuance of beach hazard statements...

NWS Chicago will issue a beach hazard statement when there is a
high swim risk due to either of the following:

1) high waves of at least 3 to 5 feet and dangerous currents.

2) winds of 30 mph or higher.

We will no longer be issuing statements for a moderate risk... but
a moderate risk will be highlighted in the surfzone forecast.

People heading to Lake Michigan beaches this Summer should...

1. Check www.Weather.Gov/Chicago or NOAA Weather Radio to see if
any beach hazard statements are in effect... and if they are...
plan to stay out of the water on that day.

2. Swim on lifeguarded beaches when possible.

3. Refer to warning flags at local beaches for the latest
information before going into Lake Michigan waters (flag
definitions... green: OK to swim... yellow: caution is urged...
red: hazardous to swim).

Swimming at Lake Michigan beaches is a wonderful part of living
or visiting this area... but on days when waves are high and/or
currents are strong... it is a very dangerous activity and one
that should be postponed until the hazardous conditions subside.
Please stay informed and safe this Summer... and enjoy the
beaches!


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