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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 3:15 pm CST Dec 11, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
40% chance of snow on This Afternoon 100% chance of snow on Tonight Mostly Cloudy on Friday 90% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday 20% chance of rain on Thursday
High: 31°F Low: 26°F High: 33°F High: 20°F High: 4 °F High: 23°F High: 35°F High: 45°F High: 49°F
Low: 16°F Low: -5°F Low: -8°F Low: 16°F Low: 29°F Low: 36°F  
Snow Snow Mostly Cloudy Snow Sunny Mostly Sunny Mostly Sunny Mostly Cloudy Rain
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
28°
Cloudy
as of 4:35 PM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2800ft
Current Conditions at
MATTOON - (KMTO)
27°
Cloudy
Light Snow Mist
as of 4:42 PM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 1 1/4 Miles
Pressure: 29.96 in.
Flight Rule: IFR
Wind Data
5 MPH
100° East
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
TERRE HAUTE - (KHUF)
30°
Cloudy
as of 5:24 PM EST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 2600ft, Solid Overcast at 3500ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
34°
Clear
Light Snow
as of 4:35 PM CST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 3 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
Calm
40% chance of snow This Afternoon This Afternoon... A 40 percent chance of snow. Cloudy, with a high near 31. Light south wind.
100% chance of snow Tonight Tonight... Snow, mainly before 3am. The snow could be heavy at times. Low around 26. Light and variable wind becoming east southeast 5 to 8 mph in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 33. Northeast wind 7 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 16 mph.
Cloudy on Friday Night Friday Night... Cloudy, with a low around 16. West northwest wind 6 to 9 mph, with gusts as high as 17 mph.
90% chance of snow Saturday Saturday... Snow, mainly after noon. The snow could be heavy at times. High near 20. North northwest wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Clearing on Saturday Night Saturday Night... Cloudy during the early evening, then gradual clearing, with a low around -5. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunny on Sunday Sunday... Sunny and cold, with a high near 4. Northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -8.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 23.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 35.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 45.
20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 36.
20% chance of rain Thursday Thursday... A chance of rain. Partly sunny, with a high near 49.
Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:02 AM
Sunset: 4:28 PM
Civil Sunrise:06:32 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 5:31 PM
Astro Sunrise: 05:25 AM
Astro Sunset: 6:04 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.