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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 1:21 am CST Dec 7, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Fog on Overnight Fog on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday 40% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: 29°F High: 36°F High: 30°F High: 43°F High: 44°F High: 33°F High: 24°F High: 17°F
Low: 19°F Low: 19°F Low: 38°F Low: 24°F Low: 14°F Low: 3°F  
Fog Fog Mostly Sunny Partly Sunny Mostly Cloudy Snow Partly Sunny Partly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
32°
Feels like 24°F
Cloudy
Mist
as of 1:15 AM CST
Rel. Humidity: 100%
Dew Point: 32°F
Visibility: 3 Miles
Pressure: 29.98 in.
Flight Rule: IFR
Wind Data
9 MPH
150° Southeast
Cloud Level(s): Broken at 600ft, Solid Overcast at 5000ft
Current Conditions at
MATTOON - (KMTO)
34°
Feels like 25°F
Cloudy
Mist
as of 1:08 AM CST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: 5 Miles
Pressure: 29.96 in.
Flight Rule: MVFR
Wind Data
10 MPH
160° South
Cloud Level(s): Few at 500ft, Scattered at 7000ft, Solid Overcast at 9000ft
Current Conditions at
TERRE HAUTE - (KHUF)
34°
Cloudy
Mist
as of 1:53 AM EST
Rel. Humidity: 100%
Dew Point: 34°F
Visibility: 4 Miles
Pressure: 30.00 in.
Flight Rule: IFR
Wind Data
6 MPH
160° South
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
37°
Cloudy
Mist
as of 1:15 AM CST
Rel. Humidity: 93%
Dew Point: 36°F
Visibility: 5 Miles
Pressure: 29.99 in.
Flight Rule: MVFR
Wind Data
8 MPH
130° Southeast
Cloud Level(s): Scattered at 800ft, Scattered at 3600ft, Solid Overcast at 8000ft
Fog on Overnight Overnight... Areas of fog. Otherwise, cloudy, with a low around 29. South southeast wind around 6 mph.

Fog on Sunday Sunday... Areas of fog. Otherwise, cloudy, with a high near 36. South southeast wind 5 to 13 mph becoming north northwest in the morning. Winds could gust as high as 22 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 19. North northeast wind 8 to 13 mph, with gusts as high as 23 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 30. North northeast wind 5 to 8 mph becoming calm in the afternoon.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 19. Light south wind becoming south southwest 9 to 14 mph in the evening. Winds could gust as high as 23 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 43. South southwest wind 14 to 16 mph, with gusts as high as 24 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 14 to 21 mph, with gusts as high as 32 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 44. Breezy.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 24.

40% chance of snow Thursday Thursday... A 40 percent chance of snow. Mostly cloudy, with a high near 33.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 14.

Partly Sunny on Friday Friday... Partly sunny, with a high near 24.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 3.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 17.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 06:58 AM
Sunset: 4:27 PM
Civil Sunrise:06:28 AM
Civil Sunset: 4:57 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 5:31 PM
Astro Sunrise: 05:22 AM
Astro Sunset: 6:03 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.