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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 3:36 pm CST Jan 1, 2026 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Cloudy on Tonight Partly Sunny on Friday Clearing on Saturday Increasing Clouds on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday
Low: 21°F High: 35°F High: 37°F High: 37°F High: 50°F High: 57°F High: 52°F High: 55°F
Low: 24°F Low: 20°F Low: 28°F Low: 38°F Low: 35°F Low: 37°F  
Cloudy Partly Sunny Clearing Increasing Clouds Mostly Sunny Partly Sunny Partly Sunny Rain
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
34°
Cloudy
as of 3:55 PM CST
Rel. Humidity: 59%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 3600ft
Current Conditions at
MATTOON - (KMTO)
32°
Mostly Cloudy
as of 3:53 PM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
5 MPH
270° West
Cloud Level(s): Broken at 1800ft
Current Conditions at
TERRE HAUTE - (KHUF)
37°
Cloudy
as of 4:53 PM EST
Rel. Humidity: 60%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
6 MPH
230° Southwest
Cloud Level(s): Solid Overcast at 3800ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
39°
Cloudy
as of 3:55 PM CST
Rel. Humidity: 75%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1900ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 21. Calm wind becoming north northwest around 5 mph.

Partly Sunny on Friday Friday... Partly sunny, with a high near 35. North northeast wind 3 to 6 mph.

Cloudy on Friday Night Friday Night... Cloudy, with a low around 24. Northeast wind around 6 mph.

Clearing on Saturday Saturday... Cloudy through mid morning, then gradual clearing, with a high near 37. Northeast wind 3 to 6 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 20. Light north northwest wind.

Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 37. Light and variable wind.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 28. Light south southeast wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 50.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 38.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 57.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 35.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 52.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 37.

20% chance of rain Thursday Thursday... A chance of rain. Mostly cloudy, with a high near 55.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:11 AM
Sunset: 4:38 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:15 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.