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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 pm CST Jan 9, 2026 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Cloudy on Tonight 30% chance of rain & snow on Saturday Mostly Sunny on Sunday Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday
Low: 39°F High: 43°F High: 34°F High: 44°F High: 50°F High: 40°F High: 31°F High: 37°F
Low: 23°F Low: 22°F Low: 31°F Low: 34°F Low: 19°F Low: 21°F  
Mostly Cloudy Rain & Snow Mostly Sunny Sunny Partly Sunny Mostly Cloudy Mostly Sunny Partly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
45°
Cloudy
as of 7:35 PM CST
Rel. Humidity: 75%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
MATTOON - (KMTO)
43°
Cloudy
as of 6:53 PM CST
Rel. Humidity: 81%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: MVFR
Wind Data
7 MPH
020° North
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
TERRE HAUTE - (KHUF)
46°
Cloudy
as of 7:53 PM EST
Rel. Humidity: 75%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: MVFR
Wind Data
5 MPH
020° North
Cloud Level(s): Solid Overcast at 2700ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
43°
Clear
as of 7:35 PM CST
Rel. Humidity: 86%
Dew Point: 39°F
Pressure: 30.17 in.
Wind Data
3 MPH
020° North
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 39. East northeast wind around 5 mph becoming calm after midnight.

30% chance of rain & snow Saturday Saturday... A chance of rain before 4pm, then a slight chance of rain and snow showers between 4pm and 5pm, then a slight chance of snow showers after 5pm. Cloudy, then gradual clearing during the afternoon, with a high near 43. Light and variable wind becoming west northwest 12 to 17 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 30%.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 23. West northwest wind 10 to 18 mph, with gusts as high as 31 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 34. Breezy, with a west northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 31 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 22. West wind 5 to 9 mph becoming south southwest after midnight. Winds could gust as high as 17 mph.

Sunny on Monday Monday... Sunny, with a high near 44. Southwest wind 9 to 15 mph, with gusts as high as 23 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 31. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 50.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 34.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 40.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 19.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 31.

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

Partly Sunny on Friday Friday... Partly sunny, with a high near 37.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:11 AM
Sunset: 4:46 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:21 PM
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