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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 29, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday New Year's Day Friday Saturday Sunday
Mostly Cloudy on Overnight Mostly Cloudy on Monday Increasing Clouds on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on New Year's Day Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
Low: 15°F High: 24°F High: 30°F High: 37°F High: 29°F High: 34°F High: 35°F High: 36°F
Low: 13°F Low: 25°F Low: 19°F Low: 17°F Low: 21°F Low: 19°F  
Mostly Cloudy Mostly Cloudy Increasing Clouds Mostly Cloudy Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
23°
Feels like 5°F
Cloudy
as of 1:55 AM CST
Rel. Humidity: 67%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: MVFR
Wind Data
31 MPH
Gust: 43 MPH
290° West
Cloud Level(s): Solid Overcast at 2100ft
Current Conditions at
MATTOON - (KMTO)
Clear
as of 1:53 AM CST
Pressure: 29.92 in.
Wind Data
Calm
Current Conditions at
TERRE HAUTE - (KHUF)
27°
Feels like 15°F
Cloudy
as of 2:53 AM EST
Rel. Humidity: 73%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: MVFR
Wind Data
14 MPH
Gust: 29 MPH
270° West
Cloud Level(s): Solid Overcast at 2000ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
28°
Feels like 13°F
Mostly Cloudy
as of 1:55 AM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: MVFR
Wind Data
25 MPH
Gust: 36 MPH
280° West
Cloud Level(s): Broken at 2400ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 15. Wind chill values between -3 and 4. Windy, with a west wind around 31 mph, with gusts as high as 47 mph.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 24. Wind chill values between -5 and 5. Windy, with a west northwest wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 46 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 13. Wind chill values between zero and 6. West northwest wind 10 to 16 mph, with gusts as high as 25 mph.

Increasing Clouds on Tuesday Tuesday... Increasing clouds, with a high near 30. Wind chill values between 1 and 11. West wind around 11 mph, with gusts as high as 18 mph.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 25. West southwest wind around 10 mph, with gusts as high as 18 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 37. West wind 9 to 14 mph, with gusts as high as 22 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 19. North northwest wind around 8 mph, with gusts as high as 16 mph.

Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 29.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 17.

Partly Sunny on Friday Friday... Partly sunny, with a high near 34.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 21.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 35.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 19.

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

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:11 AM
Sunset: 4:36 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:12 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.