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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 9:36 am CST Dec 12, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Mostly Cloudy on Today Cloudy on Tonight 90% chance of snow on Saturday Sunny on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday
High: 33°F Low: 17°F High: 24°F High: 6 °F High: 23°F High: 36°F High: 48°F High: 52°F
Low: -4°F Low: -7°F Low: 16°F Low: 30°F Low: 40°F  
Mostly Cloudy Cloudy Snow Sunny Sunny Mostly Sunny Partly Sunny Rain
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
32°
Cloudy
as of 10:35 AM CST
Rel. Humidity: 80%
Dew Point: 27°F
Visibility: 7 Miles
Pressure: 30.12 in.
Flight Rule: IFR
Wind Data
5 MPH
070° East
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
MATTOON - (KMTO)
28°
Partly Cloudy
Mist
as of 10:42 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 6 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
6 MPH
010° North
Cloud Level(s): Scattered at 800ft
Current Conditions at
TERRE HAUTE - (KHUF)
34°
Cloudy
as of 11:31 AM EST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 9 Miles
Pressure: 30.11 in.
Flight Rule: MVFR
Wind Data
6 MPH
060° Northeast
Cloud Level(s): Few at 1000ft, Solid Overcast at 3000ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
34°
Clear
as of 10:35 AM CST
Rel. Humidity: 93%
Dew Point: 32°F
Pressure: 30.12 in.
Wind Data
6 MPH
020° North
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 33. North wind around 7 mph.

Cloudy on Tonight Tonight... Cloudy, with a low around 17. West wind 6 to 10 mph, with gusts as high as 18 mph.

90% chance of snow Saturday Saturday... Snow. High near 24. Wind chill values between 4 and 13. North northwest wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Clearing on Saturday Night Saturday Night... Cloudy during the early evening, then gradual clearing, with a low around -4. Wind chill values between -10 and -20. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 6. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -7. Calm wind becoming south around 5 mph after midnight.

Sunny on Monday Monday... Sunny, with a high near 23. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 36.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30.

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

20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Cloudy, with a low around 40.

20% chance of rain Thursday Thursday... A chance of rain. Mostly cloudy, with a high near 52.

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: 05:59 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:26 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.