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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 3:17 pm CST Jan 10, 2026 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
50% chance of snow on Tonight Mostly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday Partly Sunny on Saturday
Low: 24°F High: 34°F High: 44°F High: 52°F High: 40°F High: 32°F High: 37°F High: 30°F
Low: 23°F Low: 31°F Low: 34°F Low: 18°F Low: 24°F Low: 22°F  
Snow Mostly Sunny Mostly Sunny Partly Sunny Mostly Cloudy Mostly Sunny Mostly Cloudy Partly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
37°
Feels like 29°F
Clear
as of 4:15 PM CST
Rel. Humidity: 69%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
13 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
39°
Feels like 31°F
Clear
as of 3:53 PM CST
Rel. Humidity: 64%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
13 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
39°
Feels like 31°F
Mostly Clear
as of 4:53 PM EST
Rel. Humidity: 69%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 24 MPH
270° West
Cloud Level(s): Few at 3100ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
43°
Feels like 36°F
Clear
as of 4:15 PM CST
Rel. Humidity: 60%
Dew Point: 30°F
Pressure: 30.11 in.
Wind Data
12 MPH
280° West
50% chance of snow Tonight Tonight... A 50 percent chance of snow showers, mainly between 9pm and 11pm. Increasing clouds, with a low around 24. Blustery, with a west northwest wind 8 to 13 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 38 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 34. Breezy, with a northwest wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 34 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 23. West northwest wind 5 to 9 mph becoming southwest after midnight. Winds could gust as high as 17 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 44. West southwest wind 7 to 13 mph, with gusts as high as 21 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 31. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 52. West southwest wind 13 to 17 mph, with gusts as high as 25 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34. West southwest wind 8 to 10 mph, with gusts as high as 21 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 40.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 18.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 32.

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

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 37.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 30.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:11 AM
Sunset: 4:47 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:22 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.