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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 11:21 am CST Nov 29, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
100% chance of snow on Today 100% chance of rain & snow on Tonight Cloudy on Sunday Cloudy on Monday Mostly Cloudy on Tuesday Partly Sunny on Wednesday Partly Sunny on Thursday Mostly Cloudy on Friday
High: 35°F Low: 27°F High: 28°F High: 30°F High: 27°F High: 32°F High: 23°F High: 32°F
Low: 17°F Low: 20°F Low: 12°F Low: 12°F Low: 9°F  
Snow Rain & Snow Cloudy Cloudy Mostly Cloudy Partly Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
28°
Feels like 19°F
Cloudy
Light Snow
as of 11:35 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 3/4 Miles
Pressure: 30.23 in.
Flight Rule: IFR
Wind Data
10 MPH
Gust: 16 MPH
120° Southeast
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
MATTOON - (KMTO)
28°
Feels like 17°F
Cloudy
Light Snow Mist
as of 11:37 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 2 Miles
Pressure: 30.17 in.
Flight Rule: IFR
Wind Data
15 MPH
130° Southeast
Cloud Level(s): Solid Overcast at 900ft
Current Conditions at
TERRE HAUTE - (KHUF)
28°
Feels like 19°F
Clear
Snow Freezing Fog
as of 12:37 PM EST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: 1/2 Miles
Pressure: 30.25 in.
Flight Rule: IFR
Wind Data
10 MPH
120° Southeast
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
37°
Feels like 27°F
Cloudy
as of 11:35 AM CST
Rel. Humidity: 51%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 23 MPH
130° Southeast
Cloud Level(s): Solid Overcast at 9000ft
100% chance of snow Today Today... Snow. High near 35. Southeast wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

100% chance of rain & snow Tonight Tonight... Rain and snow before 11pm, then a chance of rain between 11pm and 2am. Low around 27. Breezy, with a south southeast wind 17 to 22 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Cloudy on Sunday Sunday... Cloudy, with a high near 28. Breezy, with a west wind 11 to 21 mph, with gusts as high as 32 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 17. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 16 mph.

Cloudy on Monday Monday... Cloudy, with a high near 30. Calm wind becoming east southeast around 5 mph.

70% chance of snow Monday Night Monday Night... Snow likely. Cloudy, with a low around 20. Light and variable wind. Chance of precipitation is 70%.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 27. North northwest wind 5 to 7 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 12.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 32.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 12.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 23.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 9.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 32.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 06:51 AM
Sunset: 4:28 PM
Civil Sunrise:06:21 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 05:48 AM
Nautical Sunset: 5:31 PM
Astro Sunrise: 05:16 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.