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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 3:16 am CST Dec 11, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

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Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Cloudy on Overnight 40% chance of snow on Thursday Mostly Cloudy on Friday 80% chance of snow on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday
Low: 24°F High: 31°F High: 34°F High: 21°F High: 6°F High: 24°F High: 34°F High: 41°F
Low: 27°F Low: 16°F Low: -6°F Low: -7°F Low: 14°F Low: 28°F  
Cloudy Snow Mostly Cloudy Snow Sunny Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
30°
Feels like 20°F
Cloudy
as of 3:15 AM CST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
12 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1400ft
Current Conditions at
MATTOON - (KMTO)
28°
Feels like 17°F
Cloudy
as of 2:53 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
13 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
TERRE HAUTE - (KHUF)
30°
Cloudy
as of 3:53 AM EST
Rel. Humidity: 80%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
6 MPH
Gust: 17 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
34°
Feels like 26°F
Cloudy
as of 3:15 AM CST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: MVFR
Wind Data
9 MPH
270° West
Cloud Level(s): Solid Overcast at 2100ft
Cloudy on Overnight Overnight... Cloudy, with a low around 24. Northwest wind around 9 mph, with gusts as high as 17 mph.
40% chance of snow Thursday Thursday... A 40 percent chance of snow after 4pm. Mostly cloudy, with a high near 31. West northwest wind 5 to 7 mph becoming light and variable in the afternoon.
100% chance of freezing rain & snow Thursday Night Thursday Night... Snow before 11pm, then snow, possibly mixed with freezing rain between 11pm and midnight, then snow likely after midnight. The snow could be heavy at times. Low around 27. Light and variable wind becoming east 5 to 8 mph in the evening. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow accumulation of 3 to 5 inches possible.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 34. North northeast wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 15 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 16. West northwest wind 7 to 9 mph, with gusts as high as 16 mph.
80% chance of snow Saturday Saturday... Snow, mainly after noon. High near 21. Northwest wind around 9 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -6. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Sunny on Sunday Sunday... Sunny and cold, with a high near 6.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -7.
Sunny on Monday Monday... Sunny, with a high near 24.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 14.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 34.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 41.
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.