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Prairie, Illinois Weather Forecast
Prairie, Illinois Weather
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Weather Forecast for Prairie, Illinois : Randolph County
Issued: 2:31 pm CST Dec 17, 2025 Latitude: 38.173106 Longitude: -89.9431619 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on This Afternoon 20% chance of rain on Tonight 80% chance of thunderstorms on Thursday Sunny on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday 20% chance of rain on Tuesday
High: 58°F Low: 53 °F High: 46 °F High: 42°F High: 56°F High: 44°F High: 48°F High: 61°F
Low: 24°F Low: 33°F Low: 26°F Low: 29°F Low: 42°F  
Sunny Rain Thunderstorms Sunny Mostly Sunny Mostly Sunny Partly Sunny Rain
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Current Conditions at
SPARTA - (KSAR)
57°
Clear
as of 2:35 PM CST
Rel. Humidity: 44%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
SCOTT AFB - (KBLV)
52°
Mostly Cloudy
as of 1:55 PM CST
Rel. Humidity: 50%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
2 MPH
220° Southwest
Cloud Level(s): Scattered at 4000ft, Broken at 12000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
55°
Clear
as of 1:53 PM CST
Rel. Humidity: 47%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
3 MPH
260° West
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 58. Calm wind becoming southeast 5 to 7 mph.

20% chance of rain Tonight Tonight... Isolated showers before 4am, then isolated showers after 5am. Increasing clouds, with a temperature rising to around 53 by 5am. South wind 8 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

80% chance of thunderstorms Thursday Thursday... Showers and possibly a thunderstorm before 1pm, then scattered showers between 1pm and 3pm. Temperature falling to around 46 by 5pm. Breezy, with a south wind 14 to 20 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 24. West wind 10 to 17 mph, with gusts as high as 28 mph.

Sunny on Friday Friday... Sunny, with a high near 42. West wind 6 to 9 mph becoming south in the afternoon.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 33.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 56.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 26.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 44.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 29.

Partly Sunny on Monday Monday... Partly sunny, with a high near 48.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 42.

20% chance of rain Tuesday Tuesday... A 20 percent chance of rain. Partly sunny, with a high near 61.

Sun Almanac for Prairie, Illinois
Sunrise: 07:11 AM
Sunset: 4:42 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:16 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.