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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 8:36 pm CST Dec 5, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Cloudy on Overnight Mostly Cloudy on Saturday 50% chance of rain & snow on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday 40% chance of rain on Wednesday Mostly Cloudy on Thursday Mostly Cloudy on Friday
Low: 22°F High: 33°F High: 35°F High: 26°F High: 39°F High: 42°F High: 35°F High: 26°F
Low: 26°F Low: 15°F Low: 16°F Low: 31°F Low: 21°F Low: 16°F  
Mostly Cloudy Mostly Cloudy Rain & Snow Mostly Sunny Partly Sunny Rain Mostly Cloudy Mostly Cloudy
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
30°
Feels like 18°F
Clear
as of 12:15 AM CST
Rel. Humidity: 68%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
18 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
MATTOON - (KMTO)
30°
Feels like 20°F
Clear
as of 11:53 PM CST
Rel. Humidity: 63%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
12 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
30°
Feels like 21°F
Mostly Cloudy
as of 12:53 AM EST
Rel. Humidity: 74%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
9 MPH
190° South
Cloud Level(s): Broken at 4400ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
34°
Feels like 26°F
Clear
as of 12:15 AM CST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 22. Southwest wind 7 to 9 mph, with gusts as high as 17 mph.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 33. West wind 5 to 7 mph becoming calm in the afternoon.

20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26. Calm wind becoming southeast around 6 mph after midnight.

50% chance of rain & snow Sunday Sunday... A chance of rain and snow before noon. Mostly cloudy, with a high near 35. Southeast wind 6 to 10 mph becoming north in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 50%.

Partly Cloudy on Sunday Night Sunday Night... Cloudy, then gradually becoming partly cloudy, with a low around 15. North wind 7 to 10 mph, with gusts as high as 17 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 26. North northeast wind 5 to 7 mph becoming calm in the afternoon.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16. Light and variable wind becoming south southwest 8 to 13 mph after midnight. Winds could gust as high as 20 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 39.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.

40% chance of rain Wednesday Wednesday... A 40 percent chance of rain. Mostly cloudy, with a high near 42.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 21.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 35.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 16.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 26.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 06:58 AM
Sunset: 4:27 PM
Civil Sunrise:06:28 AM
Civil Sunset: 4:57 PM
Nautical Sunrise: 05:54 AM
Nautical Sunset: 5:31 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 6:03 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.