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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 8:17 am CST Dec 15, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Blowing Snow on Today Cloudy on Tonight Sunny on Tuesday Mostly Sunny on Wednesday 80% chance of rain on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Partly Sunny on Sunday
High: 24°F Low: 16°F High: 37°F High: 40°F High: 51°F High: 30°F High: 49°F High: 43°F
Low: 30°F Low: 34°F Low: 14°F Low: 24°F Low: 32°F  
Blowing Snow Cloudy Sunny Mostly Sunny Rain Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
10°
Feels like -7°F
Clear
as of 9:55 AM CST
Rel. Humidity: 66%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.39 in.
Flight Rule: VFR
Wind Data
18 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
12°
Feels like -4°F
Clear
as of 9:53 AM CST
Rel. Humidity: 66%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 31 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
14°
Feels like 0°F
Clear
as of 10:53 AM EST
Rel. Humidity: 61%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.42 in.
Flight Rule: VFR
Wind Data
13 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
21°
Feels like 8°F
Clear
as of 9:55 AM CST
Rel. Humidity: 57%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.46 in.
Flight Rule: VFR
Wind Data
14 MPH
180° South
Cloud Level(s): Clear
Blowing Snow on Today Today... Patchy blowing snow before noon. Sunny, with a high near 24. Wind chill values between -5 and 5. South southwest wind 9 to 16 mph, with gusts as high as 26 mph.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 16. South southwest wind around 8 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 37. South wind 6 to 11 mph, with gusts as high as 20 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30. Southwest wind 7 to 11 mph, with gusts as high as 21 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 40. Southwest wind 5 to 7 mph becoming south southeast in the afternoon.

40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain after midnight. Increasing clouds, with a low around 34. South wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 30 mph.

80% chance of rain Thursday Thursday... Rain, mainly before noon. High near 51. Breezy, with a south wind 18 to 22 mph becoming west in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 14.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 30.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 24.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 49.

20% chance of rain Saturday Night Saturday Night... A chance of rain. Mostly cloudy, with a low around 32.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 43.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:05 AM
Sunset: 4:29 PM
Civil Sunrise:06:34 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:28 AM
Astro Sunset: 6:05 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.