Mazon, IL

10:16 PM CST on February 13, 2012 (GMT -0600)
Elev: 571 ft
Lon: 88.4° W
Lat: 41.2° N
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Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Weather Underground midday recap for Monday, February 13, 2012. A storm raced out of the Rockies and into the Plains on Monday, producing a good shot of Winter weather in the Plains and Mississippi Valley. Winter Weather Advisories were posted from eastern Oklahoma through the western Tennessee Valley in anticipation of several inches of new snow. Snow fell as far north as Minnesota and Michigan, but lighter snow was reported the farther north you went. In the warmer air closer to the Gulf Coast, rain fell in Louisiana and Mississippi.

Wet weather also greeted the West Coast as a Pacific storm slammed into California. This storm lacked a tremendous amount of moisture, but it has been a very dry Winter for the state thus far, and any precipitation is very much welcomed. Up to a foot of new snow is possible from this storm in the higher elevations of the Sierra Nevadas when all is said and done.

The East Coast was dry as a high pressure continued to dominate, but the region experienced another chilly day. By the afternoon, temperatures were still in the 20s and 30s for many areas in New England, while temperatures in the 30s were experience as far south as Arkansas. Morning temperatures were in the 20s in northern Florida.

The Northern Plains rose into the 20s and 30s, while the Northwest saw temperatures in the 30s and 40s. The Southwest rose into the 40s, 50s, and some 60s.
Weather Underground midday recap for Monday, February 13, 2012. A storm raced out of the Rockies and into the Plains on Monday, producing a good shot of Winter weather in the Plains and Mississippi Valley. Winter Weather Advisories were posted from eastern Oklahoma through the western Tennessee Valley in anticipation of several inches of new snow. Snow fell as far north as Minnesota and Michigan, but lighter snow was reported the farther north you went. In the warmer air closer to the Gulf Coast, rain fell in Louisiana and Mississippi.

Wet weather also greeted the West Coast as a Pacific storm slammed into California. This storm lacked a tremendous amount of moisture, but it has been a very dry Winter for the state thus far, and any precipitation is very much welcomed. Up to a foot of new snow is possible from this storm in the higher elevations of the Sierra Nevadas when all is said and done.

The East Coast was dry as a high pressure continued to dominate, but the region experienced another chilly day. By the afternoon, temperatures were still in the 20s and 30s for many areas in New England, while temperatures in the 30s were experience as far south as Arkansas. Morning temperatures were in the 20s in northern Florida.

The Northern Plains rose into the 20s and 30s, while the Northwest saw temperatures in the 30s and 40s. The Southwest rose into the 40s, 50s, and some 60s.
Mazon Weather at a Glance
Updated 7:55 PM CST
Weather Station
Elevation
656 ft
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Now
Light Snow
Light Snow
Temperature
30 °F
Feels Like 20 °F
Wind(mph)
13
Sunrise / Set
6:51 AM
5:24 PM
Moon
Waning Gibbous
Tonight
Ice Pellets 27 °F
Ice Pellets
90% chance of precipitation
Tomorrow
Ice Pellets 38 °F
Ice Pellets
20% chance of precipitation
Tomorrow Night
Overcast 29 °F
Overcast
Wednesday
Chance of Rain 43 | 36 °F
Chance of Rain
20% chance of precipitation
Thursday
Chance of Rain 40 | 27 °F
Chance of Rain
50% chance of precipitation
Friday
Partly Cloudy 40 | 25 °F
Partly Cloudy
Tomorrow is forecast to be nearly the same temperature as today.
Conditions
Pressure
29.91 in
Visibility
2.0 miles
Clouds
Overcast 1100 ft
Moisture
Humidity
93%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KPNT 140155Z AUTO 17011KT 2SM -SN OVC011 M01/M02 A2991 RMK AO2
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Weather Radio
Temperature
Windchill
20 °F
Dew Point
28 °F
Wind
Speed / Dir
13 mph from South
Wind Gust
Health
UV
0 out of 16
Pollen
.30 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Regional
View Flu Map
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Regional Forecast for Grundy
Rest of Tonight
nt_snow Light snow late in the evening...then light snow likely and patchy light freezing drizzle overnight. Chance of light snow and patchy light freezing drizzle during the predawn hours. New snow accumulation up to 1 inch. No ice accumulation. Temperatures nearly steady in the upper 20s. South winds around 10 mph. Chance of measurable precipitation 100 percent.
Tuesday
cloudy Cloudy. Patchy light freezing drizzle early in the morning. Highs in the upper 30s. Southwest winds around 10 mph.
Tuesday Night
nt_cloudy Cloudy. Lows in the upper 20s. Light and variable winds.
Wednesday
cloudy Cloudy. A 20 percent chance of light rain showers in the afternoon. Highs in the mid 40s. South winds around 10 mph.
Wednesday Night
nt_rain Showers in the evening...then rain after midnight. Lows in the upper 30s. Southeast winds around 10 mph. Chance of precipitation 90 percent.
Thursday
chancerain Mostly cloudy with a 50 percent chance of showers. Highs in the lower 40s.
Thursday Night
nt_partlycloudy Partly cloudy. Lows in the upper 20s.
Friday
partlycloudy Partly cloudy. Highs in the lower 40s.
Friday Night through Sunday Night
sunny Mostly clear. Lows in the upper 20s. Highs around 40.
Washingtons Birthday
partlycloudy Mostly sunny. Highs in the mid 40s.
Source: NWS at 10:13 PM CST on February 13, 2012
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Nowcast as of 8:17 PM CST on February 13, 2012
Light snow will continue to develop and move northeast across the area this evening...with possibly some brief periods of moderate snow. Although this snow will remain light and snow accumulations around an inch expected...area roadways may become slick in some locations. Travelers should use caution this evening as visibilities may also be reduced to 1 to 3 miles at times.
Forecast
View Calendar 7-Day Weather Forecast for 60444
Tuesday, 14
Ice Pellets
38 | 29 °F
Ice Pellets
Chance of
Precipitation
20%
Wednesday, 15
Chance of Rain
43 | 36 °F
Chance of Rain
Chance of
Precipitation
20%
Thursday, 16
Chance of Rain
40 | 27 °F
Chance of Rain
Chance of
Precipitation
50%
Friday, 17
Partly Cloudy
40 | 25 °F
Partly Cloudy
Chance of
Precipitation
10%
Saturday, 18
Partly Cloudy
40 | 25 °F
Partly Cloudy
Chance of
Precipitation
10%
Sunday, 19
Partly Cloudy
40 | 27 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 20
Clear
45 | NA
Clear
Chance of
Precipitation
10%
Source: NWS at 10:13 PM CST on February 13, 2012
Regional Forecast for Grundy
Rest of Tonight
nt_snow Light snow late in the evening...then light snow likely and patchy light freezing drizzle overnight. Chance of light snow and patchy light freezing drizzle during the predawn hours. New snow accumulation up to 1 inch. No ice accumulation. Temperatures nearly steady in the upper 20s. South winds around 10 mph. Chance of measurable precipitation 100 percent.
Tuesday
cloudy Cloudy. Patchy light freezing drizzle early in the morning. Highs in the upper 30s. Southwest winds around 10 mph.
Tuesday Night
nt_cloudy Cloudy. Lows in the upper 20s. Light and variable winds.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 27 | 27 36 | 29 36 | 31 31 | 27
Wind 6 mph SSW 6 mph SW 6 mph WSW 5 mph SSW
Humidity 99% 78% 81% 84%
Chance of Precip. 90% 20% 20% 10%
Cloud Cover 100% 100% 100% 100%
Conditions Ice Pellets Overcast Overcast Overcast
Sunrise & Sunset
6:51 AM
5:24 PM
Source: NWS at 10:13 PM CST on February 13, 2012
Regional Forecast for Grundy
Wednesday
cloudy Cloudy. A 20 percent chance of light rain showers in the afternoon. Highs in the mid 40s. South winds around 10 mph.
Wednesday Night
nt_rain Showers in the evening...then rain after midnight. Lows in the upper 30s. Southeast winds around 10 mph. Chance of precipitation 90 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 29 | 27 43 | 34 40 | 36 38 | 36
Wind 6 mph SSW 7 mph South 6 mph SE 7 mph SE
Humidity 88% 73% 85% 88%
Chance of Precip. 10% 20% 20% 90%
Cloud Cover 99% 85% 100% 100%
Conditions Overcast Chance of Rain Rain Showers Rain
Sunrise & Sunset
6:50 AM
5:25 PM
Source: NWS at 10:13 PM CST on February 13, 2012
Regional Forecast for Grundy
Thursday
chancerain Mostly cloudy with a 50 percent chance of showers. Highs in the lower 40s.
Thursday Night
nt_partlycloudy Partly cloudy. Lows in the upper 20s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 36 | 36 40 | 36 38 | 31 29 | 27
Wind 5 mph West 13 mph West 11 mph WNW 7 mph West
Humidity 96% 85% 75% 88%
Chance of Precip. 90% 50% 50% 10%
Cloud Cover 100% 100% 49% 37%
Conditions Chance of Rain Overcast Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:49 AM
5:27 PM
Source: NWS at 10:13 PM CST on February 13, 2012
Regional Forecast for Grundy
Friday
partlycloudy Partly cloudy. Highs in the lower 40s.
Friday Night through Sunday Night
sunny Mostly clear. Lows in the upper 20s. Highs around 40.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 29 | 23 40 | 27 34 | 27 29 | 25
Wind 7 mph West 9 mph West 6 mph West 5 mph West
Humidity 80% 57% 72% 84%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 44% 43% 41% 39%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:47 AM
5:28 PM
Source: NWS at 10:13 PM CST on February 13, 2012
Regional Forecast for Grundy
Friday Night through Sunday Night
sunny Mostly clear. Lows in the upper 20s. Highs around 40.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 25 | 23 36 | 25 27 | 25 25 | 22
Wind 5 mph WNW 5 mph West 5 mph WNW 4 mph WNW
Humidity 91% 67% 92% 91%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 32% 35% 40% 39%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:46 AM
5:29 PM
Source: NWS at 10:13 PM CST on February 13, 2012
Regional Forecast for Grundy
Friday Night through Sunday Night
sunny Mostly clear. Lows in the upper 20s. Highs around 40.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 25 | 22 38 | 25 34 | 25 31 | 22
Wind 4 mph WNW 6 mph West 4 mph WSW 6 mph SW
Humidity 84% 56% 66% 69%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 46% 44% 43% 25%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
6:46 AM
5:29 PM
Source: NWS at 10:13 PM CST on February 13, 2012
Regional Forecast for Grundy
Washingtons Birthday
partlycloudy Mostly sunny. Highs in the mid 40s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 29 | 22 43 | 25 34 | 25 31 | 22
Wind 6 mph SSW 12 mph SSW 4 mph WSW 6 mph SW
Humidity 71% 46% 66% 69%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 20% 24% 43% 25%
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
6:46 AM
5:29 PM
BestForecast (what's this?)
Nearby
History & Almanac
February 13, 2012 Max Temp Min Temp
Normal (KLOT) 35 °F 19 °F
Record (KLOT) 42 °F (2005) 1 °F (2008)
Yesterday 36 °F 15 °F
Yesterday's Heating Degree Days: 39
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Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
OZONE
Yesterday Good
PM2.5
Current Good
PM2.5
Current Good
OZONE
Monday Good
PM2.5
Tuesday Good
PM2.5
Wednesday Moderate
PM2.5
Astronomy
Feb. 13, 2012 Rise Set
Actual Time 6:51 AM CST 5:24 PM CST
Civil Twilight 6:23 AM CST 5:53 PM CST
Nautical Twilight 5:50 AM CST 6:25 PM CST
Astronomical Twilight 5:18 AM CST 6:57 PM CST
Moon No Moon Rise 9:45 AM CST (2/13)
Length Of Visible Light 11h 29m
Length of Day
10h 33m
Tomorrow will be 2m 31s longer.
Waning Gibbous, 56% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Today's Extremes
State Highs State Lows
37 °F
Joliet
37 °F
Romeoville
37 °F
Kankakee
37 °F
Pontiac
11 °F
Rochelle
12 °F
Freeport
12 °F
Aurora
12 °F
Sterling
12 °F
Waukegan
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Morris 28 °F Light Snow 7:55 PM CST
Joliet 29 °F Light Snow 7:55 PM CST
Pontiac 30 °F Light Snow 7:55 PM CST
Romeoville 28 °F Light Snow 7:55 PM CST
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: IFR (KPNT)
Wind Speed: 11.0 kts.
Wind Dir: 170° (South)
Ceiling: 1100 ft

METAR KPNT 140155Z AUTO 17011KT 2SM -SN OVC011 M01/M02 A2991 RMK AO2

Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Chance of Rain, 65 °F
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
GEICO 400 1:16 PM CDT on September 16, 2012 Average High 74° F/ 23° C
Event Date Forecast
Northern Trust Open 8:30 AM PST on February 16, 2012 Clear, 47 °F
Northern Trust Open 8:30 AM PST on February 17, 2012 Clear, 65 °F
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Mazon, Mazon, IL 28.8 °F 29 °F 27 °F 92% SW  at  0.0 mph - / hr 610 ft 10:04 PM CST Normal  
HADS MAZON RIVER NEAR COAL CITY 4W IL, Coal City, IL - - - - North  at  - 0.00 in / hr 526 ft 9:45 PM CST MADIS
K9EEW.com Weather, Coal City, IL 28.5 °F 23 °F 26 °F 92% South  at  5.0 mph 0.00 in / hr 603 ft 10:16 PM CST Rapid Fire
HADS ILLINOIS RIVER AT MORRIS IL, Morris, IL - - - - North  at  - 0.00 in / hr 479 ft 9:45 PM CST MADIS
APRSWXNET Morris IL, Morris, IL 29 °F 23 °F 27 °F 93% North  at  6 mph 0.00 in / hr 524 ft 10:00 PM CST MADIS
Coal City, IL-North Street, Coal City, IL 29.7 °F 30 °F 27 °F 89% South  at  3.0 mph 0.00 in / hr 565 ft 10:16 PM CST Rapid Fire  
Goose Lake, Morris, IL 29.3 °F 25 °F 28 °F 93% South  at  3.9 mph 0.00 in / hr 530 ft 10:16 PM CST Rapid Fire
APRSWXNET Dwight IL , Dwight, IL 28 °F 23 °F 25 °F 88% SSE  at  4 mph 0.00 in / hr 623 ft 9:26 PM CST MADIS
HADS ILLINOIS RVR AT LOCK & DAM AT DR IL, Channahon, IL 29 °F 20 °F - - South  at  10 mph 0.00 in / hr 504 ft 9:00 PM CST MADIS
MILE 274 ILLINOIS RIVER, WILMINGTON, IL 31.1 °F 31 °F 21 °F 65% East  at  2.7 mph 0.00 in / hr 524 ft 10:14 PM CST Rapid Fire
The Highlands, Channahon, IL 28.8 °F 22 °F 27 °F 92% SSE  at  6.0 mph 0.00 in / hr 606 ft 10:16 PM CST Rapid Fire  
Amberleigh Estates, Channahon, IL 28.4 °F 22 °F 25 °F 87% South  at  5.4 mph 0.00 in / hr 610 ft 10:16 PM CST Rapid Fire  
East of Wilmington, Wilmington, IL 28.8 °F 24 °F 26 °F 91% SSE  at  4.0 mph 0.00 in / hr 574 ft 10:15 PM CST Normal  
RAWS MIDEWIN TALLGRASS PRAIRIE IL, Wilmington, IL 29 °F 19 °F 27 °F 92% South  at  13 mph 0.00 in / hr 488 ft 9:05 PM CST MADIS
APRSWXNET Streator IL , Ransom, IL 30 °F 23 °F 28 °F 94% South  at  7 mph 0.00 in / hr 708 ft 8:39 PM CST MADIS
The Meadows, Minooka, IL 28.8 °F 23 °F 26 °F 91% SSW  at  5.0 mph 0.00 in / hr 627 ft 10:16 PM CST Rapid Fire  
Union Hill, IL 28.4 °F 23 °F 27 °F 94% SSW  at  5.0 mph 0.00 in / hr 623 ft 10:14 PM CST Normal  
Channahon School District 17, Channahon, IL 28.5 °F 24 °F 26 °F 89% SSE  at  4.4 mph 0.00 in / hr 630 ft 10:16 PM CST Rapid Fire
APRSWXNET Odell IL , Odell, IL 28 °F 22 °F 26 °F 92% SSW  at  5 mph 0.00 in / hr 718 ft 9:49 PM CST MADIS
North Side, Elwood, IL 28.7 °F 29 °F 24 °F 83% SSW  at  0.0 mph 0.00 in / hr 617 ft 10:10 PM CST Normal  
Kipling Estates Subdivision, Shorewood, IL 30.0 °F 21 °F 27 °F 88% South  at  10.7 mph 0.00 in / hr 608 ft 10:16 PM CST Rapid Fire  
JolietWeather.com, Joliet, IL 29.0 °F 29 °F 26 °F 87% SSE  at  1.0 mph 0.00 in / hr 581 ft 10:16 PM CST Rapid Fire
HADS DU PAGE RIVER AT SHOREWOOD IL, Joliet, IL - - - - North  at  - 0.00 in / hr 564 ft 9:45 PM CST MADIS
South Side, Ottawa, IL 33.6 °F 34 °F 28 °F 79% West  at  2.4 mph 0.00 in / hr 600 ft 9:40 PM CST Rapid Fire  
Ottawa Township High School, Ottawa, IL 29.3 °F 21 °F 27 °F 90% WSW  at  9.1 mph 0.00 in / hr 476 ft 10:16 PM CST Rapid Fire  
Plainfield Twnshp, IL 29.5 °F 21 °F 26 °F 86% South  at  10.0 mph 0.00 in / hr 625 ft 10:11 PM CST Normal  
HADS ILL RVR AT STARVED ROCK LOCK & D IL, Ottawa, IL 31 °F 23 °F - - South  at  9 mph 0.00 in / hr 459 ft 9:00 PM CST MADIS
Eplin/Connell Farm 2 miles NW of, Streator, IL 28.2 °F 21 °F 24 °F 83% North  at  7.0 mph 0.00 in / hr 626 ft 10:16 PM CST Rapid Fire  
Timber View, Joliet, IL 25.9 °F 19 °F 24 °F 94% SSE  at  6.3 mph 0.00 in / hr 0 ft 10:16 PM CST Rapid Fire  
HADS ILLINOIS RVR AT BRANDON LOCK & D IL, Joliet, IL 30 °F 22 °F - - South  at  9 mph 0.00 in / hr 542 ft 9:00 PM CST MADIS
Aspen Falls, Plainfield, IL 28.8 °F 29 °F 26 °F 90% SW  at  3.0 mph 0.00 in / hr 633 ft 10:16 PM CST Rapid Fire
Fond Du Lac, Plainfield, IL 30.4 °F 25 °F 29 °F 94% WNW  at  5.0 mph 0.00 in / hr 625 ft 10:15 PM CST Normal
APRSWXNET Plainfield IL , Crest Hill, IL 29 °F 25 °F 27 °F 91% WSW  at  4 mph 0.00 in / hr 623 ft 9:44 PM CST MADIS
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Special Statement
Mobile & Email Alerts Statement as of 10:42 PM EST on February 13, 2012

... Snow to end tonight with patchy freezing drizzle possible...

Light snow will continue through the midnight time frame tonight
before slowly shifting east out of the area. With the departure of
this snow... a period of patchy light freezing drizzle will be
possible across portions of northeast Illinois and Northwest
Indiana. Although the extent of this freezing drizzle and the
exact timing of this transition remain uncertain at this
time... the chances for this light freezing drizzle will become
more likely for areas along and west of a Rockford to Watseka line
early Tuesday morning. With temperatures in the upper 20s... some
slippery spots may form on area roads and possibly linger into the
morning commute.

Anyone planning travel overnight should be aware of slippery Road
conditions. Be especially cautious on elevated Road surfaces such
as bridges and overpasses which typically see ice formation before
other areas.



Public Information Statement
Mobile & Email Alerts Statement as of 8:00 PM CST on February 13, 2012

Snowfall and snow depth reports.
Data provided by National Weather Service Chicago area and Rockford
area snowfall team.

                12 hr snowfall 12 hr snowfall total
location ending 6pm ending 6am snow
                today today depth at 6pm
Illinois

Beach Park / 0.0 /
Beecher 0.0 / / T
Downers Grove 0.0 / 0.0 / T
La Grange / 0.0 /
Melrose Park 0.0 / 0.0 / 0
Peotone 0.0 / 0.0 / T
Plainfield 4sw T / 0.0 / 0
Schaumburg 0.0 / 0.0 / 0
WillowBrook 0.0 / 0.0 / 0
Yorkville 2se 0.0 / /

Northwest Indiana

Highland / 0.0 /
Schererville 0.0 / 0.0 / 0