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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 11:36 pm CST Dec 13, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Clear on Overnight Sunny on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday 70% chance of rain on Thursday Mostly Sunny on Friday 20% chance of rain on Saturday
Low: -2°F High: 7 °F High: 26°F High: 36°F High: 42°F High: 52°F High: 35°F High: 50°F
Low: -6°F Low: 16°F Low: 30°F Low: 34°F Low: 21°F Low: 26°F  
Mostly Clear Sunny Mostly Sunny Mostly Sunny Partly Sunny Rain Mostly Sunny Rain
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
-0°
Feels like -18°F
Clear
as of 11:55 PM CST
Rel. Humidity: 77%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Wind Data
13 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
1°
Feels like -19°F
Clear
Unknown Precip
as of 11:53 PM CST
Rel. Humidity: 84%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Wind Data
18 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
3°
Clear
as of 12:53 AM EST
Rel. Humidity: 84%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: VFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
12°
Feels like -4°F
Partly Cloudy
as of 11:55 PM CST
Rel. Humidity: 72%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.44 in.
Flight Rule: VFR
Wind Data
16 MPH
320° Northwest
Cloud Level(s): Scattered at 1600ft
Mostly Clear on Overnight Overnight... Mostly clear, with a low around -2. Wind chill values between -12 and -17. Northwest wind around 11 mph, with gusts as high as 23 mph.
Sunny on Sunday Sunday... Sunny and cold, with a high near 7. Wind chill values between -10 and -20. Northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -6. Wind chill values between -9 and -14. Calm wind becoming south 5 to 8 mph after midnight.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 26. Wind chill values between -3 and -13. South southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16. South southwest wind around 7 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 36. South wind 6 to 10 mph, with gusts as high as 17 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 42.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34.
70% chance of rain Thursday Thursday... Rain likely, mainly before noon. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 21.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 35.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 26.
20% chance of rain Saturday Saturday... A chance of rain. Mostly cloudy, with a high near 50.
Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:04 AM
Sunset: 4:28 PM
Civil Sunrise:06:34 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:00 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:27 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.