Prairie Du Rocher, IL

1:43 AM CDT on May 26, 2012 (GMT -0500)
Elev: 400 ft
Lon: 90.0° W
Lat: 38.0° N
Source
Rapid Fire Updates™
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Tropical Weather: Tropical Storm Beryl (North Atlantic) Tropical Storm Bud (East Pacific) Typhoon Sanvu (Western Pacific)
Weather Summary
Kari Kiefer
Weather Underground Forecast for Saturday, May 26, 2012.

The main weather feature over the nation will be a low pressure system moving off the Rockies and into the Plains on Saturday. Flow around this system continues pushing a warm front eastward, over the Plains and through the Midwest. Expect widespread showers and thunderstorms to develop along this frontal boundary, from the Northern and Central Plains through the Great Lakes. Some of these storms will turn severe with strong winds, large hail, and heavy rainfall. Severe thunderstorms are most likely over Minnesota, Wisconsin, and Iowa. By Saturday evening, the tail end of this system will reach the Northeast, bringing lighter and more widespread showers and thunderstorms to the region.

The back side of this broad low pressure system will continue pulling cool air in from Canada. This will allow for rain showers to turn to snow showers at the highest elevations of the Northern Rockies, Intermountain West, and Central Rockies. At the same time, strong and gusty winds will persist for the southern side of this system. In combination with warm and dry conditions, this will maintain high fire danger for the Southwest and Southern Rockies.

In the Southeast, expect more shower and thunderstorm activity over Florida and the Carolinas as an area of low pressure lingers just offshore. Some areas may see severe thunderstorm development with gusty winds and heavy rainfall.
Weather Underground Forecast for Saturday, May 26, 2012.

The main weather feature over the nation will be a low pressure system moving off the Rockies and into the Plains on Saturday. Flow around this system continues pushing a warm front eastward, over the Plains and through the Midwest. Expect widespread showers and thunderstorms to develop along this frontal boundary, from the Northern and Central Plains through the Great Lakes. Some of these storms will turn severe with strong winds, large hail, and heavy rainfall. Severe thunderstorms are most likely over Minnesota, Wisconsin, and Iowa. By Saturday evening, the tail end of this system will reach the Northeast, bringing lighter and more widespread showers and thunderstorms to the region.

The back side of this broad low pressure system will continue pulling cool air in from Canada. This will allow for rain showers to turn to snow showers at the highest elevations of the Northern Rockies, Intermountain West, and Central Rockies. At the same time, strong and gusty winds will persist for the southern side of this system. In combination with warm and dry conditions, this will maintain high fire danger for the Southwest and Southern Rockies.

In the Southeast, expect more shower and thunderstorm activity over Florida and the Carolinas as an area of low pressure lingers just offshore. Some areas may see severe thunderstorm development with gusty winds and heavy rainfall.
Weather Underground Broadcast Network

Prairie Du Rocher Weather at a Glance

Updated 1:39 AM CDT
Elevation
522 ft
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Now
Clear
Clear
Temperature
69.8 °F
Feels Like 69.8 °F
Wind(mph)
0.7
Sunrise / Set
5:41 AM
8:13 PM
Moon
Waxing Crescent
Tonight
Clear 72 °F
Clear
Saturday
Clear 95 °F
Clear
Saturday Night
Clear 72 °F
Clear
Sunday
Clear 99 | 73 °F
Clear
Monday
Chance of a Thunderstorm 93 | 68 °F
Chance of T-storms
20% chance of precipitation
Tuesday
Partly Cloudy 90 | 59 °F
Partly Cloudy
Today is forecast to be Warmer than yesterday.
Conditions
Pressure
30.04 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
100%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KSAR 260635Z AUTO 18005KT 10SM CLR 24/21 A3004 RMK AO2
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
69.8 °F
Dew Point
70 °F
Wind
Speed / Dir
Calm
Wind Gust
1.6 mph
Health
UV
0.0 out of 16
Pollen
7.80 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
No Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Saturday
clear Clear. High of 95F with a heat index of 104F. Winds from the South at 10 to 15 mph.
Saturday Night
nt_clear Clear. Low of 72F. Winds from the SSW at 5 to 10 mph.
Sunday
clear Clear. High of 99F with a heat index of 108F. Winds from the SSW at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 73F. Winds from the SSE at 5 to 10 mph.
Monday
chancetstorms Partly cloudy. High of 93F. Winds from the SSW at 5 to 15 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of a thunderstorm and rain after midnight. Low of 68F. Winds from the SSW at 5 to 10 mph shifting to the WNW after midnight. Chance of rain 40%.
Tuesday
partlycloudy Mostly cloudy in the morning, then partly cloudy. High of 90F. Winds from the North at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Overcast in the evening, then mostly cloudy. Low of 59F. Winds less than 5 mph.
Wednesday
partlycloudy Mostly cloudy in the morning, then overcast. High of 86F. Winds from the SSE at 5 to 10 mph.
Wednesday Night
nt_chancerain Clear with a chance of rain. Low of 61F. Winds from the SSE at 5 to 10 mph. Chance of rain 30% with rainfall amounts near 0.2 in. possible.
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 77F. Breezy. Winds from the SSW at 10 to 20 mph shifting to the West in the afternoon. Chance of rain 50%.
Thursday Night
nt_cloudy Overcast. Low of 45F. Breezy. Winds from the WNW at 10 to 20 mph.
Friday
partlycloudy Partly cloudy. High of 73F. Breezy. Winds from the WNW at 15 to 20 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the West at 10 to 15 mph.
Saturday
clear Clear. High of 77F. Winds from the West at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 61F. Winds less than 5 mph.
Sunday
clear Clear. High of 82F. Winds less than 5 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 64F. Winds less than 5 mph.
Monday
partlycloudy Partly cloudy. High of 86F with a heat index of 97F. Winds less than 5 mph.
Monday Night
nt_clear Clear. Low of 70F. Winds from the SSW at 5 to 10 mph.
Tuesday
clear Clear. High of 88F with a heat index of 104F. Winds less than 5 mph.
Tuesday Night
nt_clear Clear. Low of 70F. Winds from the SSW at 5 to 10 mph.
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Forecast

View Calendar 10-Day Forecast for station KILCHEST2

Saturday, 26
Clear
95 | 72 °F
Clear
Chance of
Precipitation
0%
Sunday, 27
Clear
99 | 73 °F
Clear
Chance of
Precipitation
0%
Monday, 28
Chance of a Thunderstorm
93 | 68 °F
Chance of T-storms
Chance of
Precipitation
20%
Tuesday, 29
Partly Cloudy
90 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 30
Partly Cloudy
86 | 61 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Chance of a Thunderstorm
77 | 45 °F
Chance of T-storms
Chance of
Precipitation
50%
Friday, 1
Partly Cloudy
73 | 50 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 2
Clear
77 | 61 °F
Clear
Chance of
Precipitation
0%
Sunday, 3
Clear
82 | 64 °F
Clear
Chance of
Precipitation
0%
Monday, 4
Partly Cloudy
86 | 70 °F
Partly Cloudy
Chance of
Precipitation
0%
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Saturday
clear Clear. High of 95F with a heat index of 104F. Winds from the South at 10 to 15 mph.
Saturday Night
nt_clear Clear. Low of 72F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 66 91 | 71 92 | 72 79 | 64
Wind 5 mph South 11 mph South 9 mph South 5 mph SSW
Humidity 81% 52% 51% 60%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 9% 6% 5% 7%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:41 AM
8:13 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.91], Average RMSE [2.40]
The National Weather Service forecast quality is good. MaxT RMSE [1.73], Average RMSE [2.09] : Use NWS
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Sunday
clear Clear. High of 99F with a heat index of 108F. Winds from the SSW at 5 to 10 mph.
Sunday Night
nt_clear Clear. Low of 73F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 64 90 | 57 95 | 73 78 | 61
Wind 5 mph SSW 9 mph SW 7 mph South 7 mph South
Humidity 70% 32% 49% 55%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 5% 7% 11% 14%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:41 AM
8:13 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.02], Average RMSE [2.45]
The National Weather Service forecast quality is good. MaxT RMSE [1.92], Average RMSE [1.98] : Use NWS
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Monday
chancetstorms Partly cloudy. High of 93F. Winds from the SSW at 5 to 15 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain, then a chance of a thunderstorm and rain after midnight. Low of 68F. Winds from the SSW at 5 to 10 mph shifting to the WNW after midnight. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 64 89 | 65 90 | 63 78 | 63
Wind 7 mph South 11 mph SSW 10 mph SSW 7 mph SSW
Humidity 70% 43% 38% 58%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 23% 35% 39% 8%
Conditions Clear Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:40 AM
8:14 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.99], Average RMSE [2.34]
The National Weather Service forecast quality is good. MaxT RMSE [1.86], Average RMSE [1.94] : Use NWS
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Tuesday
partlycloudy Mostly cloudy in the morning, then partly cloudy. High of 90F. Winds from the North at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Overcast in the evening, then mostly cloudy. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 62 82 | 63 88 | 67 70 | 54
Wind 7 mph NW 9 mph NNW 4 mph North 4 mph East
Humidity 81% 52% 47% 56%
Chance of Precip. 20% 10% 0% 0%
Cloud Cover 32% 9% 0% 100%
Conditions Chance of a Thunderstorm Clear Clear Overcast
Sunrise & Sunset
5:40 AM
8:15 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.93], Average RMSE [2.48]
The National Weather Service forecast quality is fair. MaxT RMSE [3.16], Average RMSE [2.31] : Use NWS
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Wednesday
partlycloudy Mostly cloudy in the morning, then overcast. High of 86F. Winds from the SSE at 5 to 10 mph.
Wednesday Night
nt_chancerain Clear with a chance of rain. Low of 61F. Winds from the SSE at 5 to 10 mph. Chance of rain 30% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 55 80 | 58 83 | 61 69 | 52
Wind 5 mph South 9 mph SSE 7 mph South 7 mph SSE
Humidity 71% 45% 48% 58%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 83% 0% 0%
Conditions Clear Mostly Cloudy Clear Clear
Sunrise & Sunset
5:39 AM
8:16 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.08], Average RMSE [2.96]
The National Weather Service forecast quality is fair. MaxT RMSE [3.45], Average RMSE [2.68] : Use NWS
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 77F. Breezy. Winds from the SSW at 10 to 20 mph shifting to the West in the afternoon. Chance of rain 50%.
Thursday Night
nt_cloudy Overcast. Low of 45F. Breezy. Winds from the WNW at 10 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 56 71 | 58 74 | 58 63 | 50
Wind 10 mph South 14 mph SW 19 mph WNW 14 mph WNW
Humidity 78% 64% 56% 64%
Chance of Precip. 30% 30% 10% 10%
Cloud Cover 0% 50% 50% 100%
Conditions Chance of Rain Chance of Rain Partly Cloudy Overcast
Sunrise & Sunset
5:39 AM
8:16 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.81], Average RMSE [3.37]
The National Weather Service forecast quality is poor. MaxT RMSE [3.66], Average RMSE [2.89] : Use NWS
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 73F. Breezy. Winds from the WNW at 15 to 20 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 50F. Winds from the West at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 42 70 | 55 66 | 49 54 | 45
Wind 12 mph WNW 14 mph WNW 14 mph NW 10 mph West
Humidity 81% 57% 51% 70%
Chance of Precip. 0% 10% 10% 0%
Cloud Cover 100% 100% 58% 31%
Conditions Overcast Overcast Partly Cloudy Partly Cloudy
Sunrise & Sunset
5:39 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.76], Average RMSE [3.87]
The National Weather Service forecast quality is poor. MaxT RMSE [4.63], Average RMSE [3.71] : Use NWS
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Saturday
clear Clear. High of 77F. Winds from the West at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 61F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 51 75 | 54 74 | 48 63 | 50
Wind 11 mph West 5 mph West 3 mph West 5 mph WSW
Humidity 78% 46% 39% 63%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 8% 5% 7% 6%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:39 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.81], Average RMSE [3.93]
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Sunday
clear Clear. High of 82F. Winds less than 5 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 64F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 56 78 | 70 80 | 69 66 | 60
Wind 5 mph WSW 5 mph West 2 mph West 4 mph SSW
Humidity 78% 75% 69% 78%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 3% 3% 9% 18%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:39 AM
8:16 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.65], Average RMSE [4.05]
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 86F with a heat index of 97F. Winds less than 5 mph.
Monday Night
nt_clear Clear. Low of 70F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 63 82 | 75 83 | 72 71 | 63
Wind 3 mph SSW 4 mph SW 4 mph SSW 6 mph SSW
Humidity 89% 80% 66% 76%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 31% 31% 20% 12%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:39 AM
8:16 PM
Source: BestForecast at 9:18 PM CDT on May 25, 2012
Descriptive Forecast
Tuesday
clear Clear. High of 88F with a heat index of 104F. Winds less than 5 mph.
Tuesday Night
nt_clear Clear. Low of 70F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 67 85 | 79 82 | 70 74 | 65
Wind 5 mph SSW 5 mph SSW 5 mph SSW 6 mph SSW
Humidity 90% 81% 67% 77%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 10% % % %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:39 AM
8:16 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 26, 2012 Max Temp Min Temp
Normal (KFAM) 74 °F 55 °F
Record (KFAM) 87 °F (2006) 46 °F (1999)
Yesterday 97.0 °F 65.9 °F
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
Astronomy
May. 26, 2012 Rise Set
Actual Time 5:41 AM CDT 8:13 PM CDT
Civil Twilight 5:11 AM CDT 8:43 PM CDT
Nautical Twilight 4:33 AM CDT 9:21 PM CDT
Astronomical Twilight 3:51 AM CDT 10:03 PM CDT
Moon 10:40 AM CDT No Moon Set
Length Of Visible Light 15h 32m
Length of Day
14h 31m
Tomorrow will be 1m 16s longer.
Waxing Crescent, 24% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Today's Extremes
State Highs State Lows
78 °F
Cairo
77 °F
Springfield
76 °F
Rantoul
76 °F
Centralia
76 °F
Salem
59 °F
Freeport
59 °F
Waukegan
61 °F
Chicago Executive
62 °F
Sterling
63 °F
Savanna
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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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
Sparta 75 °F Clear 1:35 AM CDT
Farmington 72 °F Clear 1:35 AM CDT
Belleville 74 °F Clear 12:55 AM CDT
Cahokia 75 °F Clear 12:53 AM CDT
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Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
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Type Condition
Flight Rule: VFR (KSAR)
Wind Speed: 5.0 kts.
Wind Dir: 225° (SW)
Ceiling: Unlimited

METAR KSAR 260635Z AUTO 18005KT 10SM CLR 24/21 A3004 RMK AO2

View all Reports & Maps
Sports
Event Date Forecast
Indians vs. White Sox 7:10 PM CDT on May 25, 2012 Partly Cloudy, 65 °F
Tigers vs. Twins 12:10 AM UTC on May 26, 2012 Chance of a Thunderstorm, 67 °F
Event Date Forecast
Almería vs. CD Guadalajara 6:00 AM EDT on May 26, 2012 Forecast not available.
Huesca vs. Deportivo 12:00 PM CEST on May 26, 2012 Chance of Rain, High 69° F/ 21° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Chance of a Thunderstorm, 83 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 26, 2012 Mostly Cloudy, 72 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 27, 2012 Mostly Cloudy, 70 °F
View all Sports Weather
Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Lake Forest, Ste Genevieve, MO 69.8 °F - 70 °F 100% SW  at  0.7 mph 0.00 in / hr 522 ft 1:39 AM CDT Normal  
Scott's Backyard, Chester, IL 75.0 °F 76 °F 65 °F 72% East  at  0.0 mph 0.00 in / hr 575 ft 1:43 AM CDT Normal  
Chantilly Village (Geiler's Backyard), Waterloo, IL 72.9 °F 72 °F 68 °F 86% SW  at  0.0 mph 0.00 in / hr 636 ft 1:43 AM CDT Rapid Fire  
On The Bluffs, Waterloo, IL 70.1 °F - 66 °F 86% North  at  0.0 mph 0.00 in / hr 670 ft 1:43 AM CDT Normal  
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