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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 1:26 pm CST Dec 28, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday New Year's Day Friday Saturday
90% chance of thunderstorms on This Afternoon 40% chance of rain on Tonight 20% chance of snow on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on New Year's Day Partly Sunny on Friday Mostly Sunny on Saturday
High: 65°F Low: 16°F High: 26°F High: 30°F High: 37°F High: 33°F High: 36°F High: 38°F
Low: 14°F Low: 24°F Low: 22°F Low: 17°F Low: 23°F  
Thunderstorms Rain Snow Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
64°
Cloudy
as of 1:35 PM CST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.53 in.
Flight Rule: MVFR
Wind Data
21 MPH
Gust: 28 MPH
200° South
Cloud Level(s): Broken at 2000ft, Solid Overcast at 4300ft
Current Conditions at
MATTOON - (KMTO)
Clear
as of 12:53 PM CST
Pressure: 29.53 in.
Wind Data
Calm
Current Conditions at
TERRE HAUTE - (KHUF)
64°
Cloudy
Light Rain Mist
as of 2:41 PM EST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 2 1/2 Miles
Pressure: 29.56 in.
Flight Rule: IFR
Wind Data
16 MPH
Gust: 26 MPH
200° South
Cloud Level(s): Broken at 1200ft, Solid Overcast at 1900ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
66°
Cloudy
Light Rain
as of 1:35 PM CST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 3 Miles
Pressure: 29.60 in.
Flight Rule: MVFR
Wind Data
18 MPH
Gust: 24 MPH
210° Southwest
Cloud Level(s): Solid Overcast at 1800ft
90% chance of thunderstorms This Afternoon This Afternoon... A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 65. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
40% chance of rain Tonight Tonight... A 40 percent chance of rain before 7pm. Mostly cloudy, with a low around 16. Wind chill values between 1 and 11. Windy, with a west wind 23 to 31 mph, with gusts as high as 46 mph.
20% chance of snow Monday Monday... A chance of flurries between 11am and 1pm. Partly sunny, with a high near 26. Wind chill values between -3 and 7. Windy, with a west northwest wind 25 to 30 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 46 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 14. Wind chill values between 2 and 9. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 30. West wind 9 to 11 mph, with gusts as high as 18 mph.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 24. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 37. West northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 22.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 33.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 17.
Partly Sunny on Friday Friday... Partly sunny, with a high near 36.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 23.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 38.
Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:11 AM
Sunset: 4:35 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 06:07 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:12 PM
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