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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 6:36 am CST Jan 26, 2026 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Sunny on Today Blowing Snow on Tonight Blowing Snow on Tuesday Increasing Clouds on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday Partly Sunny on Sunday
High: 8 °F Low: 7 °F High: 22°F High: 18°F High: 14°F High: 12°F High: 17°F High: 23°F
Low: -9°F Low: -6°F Low: -5°F Low: -4°F Low: 2°F  
Sunny Blowing Snow Blowing Snow Increasing Clouds Partly Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
-9°
Feels like -27°F
Clear
as of 7:35 AM CST
Rel. Humidity: 69%
Dew Point: -17°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: VFR
Wind Data
10 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
-8°
Feels like -29°F
Clear
as of 6:53 AM CST
Rel. Humidity: 76%
Dew Point: -13°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
15 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
-8°
Clear
as of 7:35 AM CST
Rel. Humidity: 76%
Dew Point: -13°F
Visibility: 10 Miles
Pressure: 30.42 in.
Flight Rule: VFR
Wind Data
8 MPH
270° West
Cloud Level(s): Clear
Sunny on Today Today... Sunny and cold, with a high near 8. Wind chill values between -14 and -24. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.

Blowing Snow on Tonight Tonight... Patchy blowing snow after midnight. Mostly clear, with a temperature rising to around 7 by 5am. Wind chill values between -10 and -19. South southwest wind 7 to 16 mph, with gusts as high as 29 mph.

Blowing Snow on Tuesday Tuesday... Patchy blowing snow before noon. Partly sunny, with a high near 22. Wind chill values between -8 and 2. Southwest wind 8 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 24 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around -9. Wind chill values between -13 and -18. West northwest wind 3 to 6 mph.

Increasing Clouds on Wednesday Wednesday... Increasing clouds, with a high near 18. West wind 5 to 9 mph, with gusts as high as 17 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around -6. West wind around 6 mph becoming light and variable after midnight.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 14. North northwest wind 3 to 6 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around -5.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 12.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around -4.

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

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 2.

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

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:03 AM
Sunset: 5:04 PM
Civil Sunrise:06:34 AM
Civil Sunset: 5:33 PM
Nautical Sunrise: 06:02 AM
Nautical Sunset: 6:05 PM
Astro Sunrise: 05:30 AM
Astro Sunset: 6:37 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.