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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 11:31 pm CST Dec 12, 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 90% chance of snow on Saturday Sunny on Sunday Sunny on Monday Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday Partly Sunny on Friday
Low: 20°F High: 16 °F High: 7 °F High: 25°F High: 35°F High: 47°F High: 52°F High: 44°F
Low: -3°F Low: -6°F Low: 16°F Low: 29°F Low: 38°F Low: 27°F  
Mostly Cloudy Snow Sunny Sunny Sunny Partly Sunny Rain Partly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
28°
Feels like 18°F
Cloudy
as of 11:55 PM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 7 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
12 MPH
260° West
Cloud Level(s): Broken at 1100ft, Solid Overcast at 1700ft
Current Conditions at
MATTOON - (KMTO)
28°
Cloudy
as of 11:53 PM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 7 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
7 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
TERRE HAUTE - (KHUF)
30°
Cloudy
as of 12:53 AM EST
Rel. Humidity: 86%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: MVFR
Wind Data
8 MPH
270° West
Cloud Level(s): Solid Overcast at 1500ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
34°
Feels like 26°F
Clear
as of 11:55 PM CST
Rel. Humidity: 86%
Dew Point: 30°F
Pressure: 30.17 in.
Wind Data
9 MPH
300° Northwest
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 20. West wind around 9 mph, with gusts as high as 17 mph.

90% chance of snow Saturday Saturday... Snow, mainly after 10am. Temperature falling to around 16 by 5pm. Wind chill values between 4 and 14. North northwest wind 8 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

20% chance of snow Saturday Night Saturday Night... A 20 percent chance of snow before midnight. Cloudy during the early evening, then gradual clearing, with a low around -3. Wind chill values between -9 and -19. Northwest wind 9 to 15 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 14 mph, with gusts as high as 22 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -6. Calm wind becoming south around 6 mph after midnight.

Sunny on Monday Monday... Sunny, with a high near 25. South southwest wind 7 to 14 mph, with gusts as high as 21 mph.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 16. South southwest wind around 7 mph.

Sunny on Tuesday Tuesday... Sunny, with a high near 35.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 47.

20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Cloudy, with a low around 38.

20% chance of rain Thursday Thursday... A chance of rain. Partly sunny, with a high near 52.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 27.

Partly Sunny on Friday Friday... Partly sunny, with a high near 44.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:03 AM
Sunset: 4:28 PM
Civil Sunrise:06:33 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 05:59 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.