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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 pm CST Jan 19, 2026 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

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M.L.King Day Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Sunny on M.L.King Day Increasing Clouds on Tonight Mostly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday
High: 15°F Low: 6 °F High: 30°F High: 42°F High: 31°F High: 14°F High: 12°F High: 18°F
  Low: 31 °F Low: 21°F Low: 7°F Low: -1°F Low: 2°F  
Sunny Increasing Clouds Mostly Sunny Mostly Cloudy Mostly Sunny Mostly Cloudy Mostly Cloudy Mostly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
16°
Feels like 0°F
Clear
as of 2:15 PM CST
Rel. Humidity: 37%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 24 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
16°
Feels like 0°F
Clear
as of 1:53 PM CST
Rel. Humidity: 44%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 35 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
16°
Feels like 0°F
Clear
as of 2:53 PM EST
Rel. Humidity: 44%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 29 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
23°
Feels like 11°F
Clear
as of 2:15 PM CST
Rel. Humidity: 32%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.39 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 22 MPH
290° West
Sunny on M.L.King Day M.L.King Day... Sunny, with a high near 15. Wind chill values between -3 and 2. West northwest wind 11 to 18 mph, with gusts as high as 26 mph.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 6. Wind chill values between -4 and 1. Southwest wind 6 to 8 mph, with gusts as high as 17 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 30. Wind chill values between -6 and 4. Southwest wind 7 to 14 mph, with gusts as high as 20 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a temperature rising to around 31 by 5am. South wind 8 to 18 mph, with gusts as high as 31 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, then gradually becoming sunny, with a high near 42. West southwest wind 9 to 18 mph, with gusts as high as 31 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 21. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 31. West northwest wind 5 to 10 mph, with gusts as high as 17 mph.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 7.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 14.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -1.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 12.

20% chance of snow Saturday Night Saturday Night... A chance of snow. Mostly cloudy, with a low around 2.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 18.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:08 AM
Sunset: 4:56 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:25 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:58 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:30 PM
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