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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 2:16 am CST Dec 10, 2025 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
70% chance of rain on Overnight 40% chance of rain & snow on Wednesday Mostly Cloudy on Thursday Mostly Cloudy on Friday 40% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday
Low: 38°F High: 31 °F High: 30°F High: 34°F High: 22°F High: 10°F High: 28°F High: 38°F
Low: 23°F Low: 25°F Low: 13°F Low: -1°F Low: 0°F Low: 18°F  
Rain Rain & Snow Mostly Cloudy Mostly Cloudy Snow Sunny Mostly Sunny Partly Sunny
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
43°
Feels like 34°F
Cloudy
as of 2:15 AM CST
Rel. Humidity: 75%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.51 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 29 MPH
220° Southwest
Cloud Level(s): Scattered at 8000ft, Solid Overcast at 9000ft
Current Conditions at
MATTOON - (KMTO)
43°
Feels like 35°F
Cloudy
Light Rain
as of 1:53 AM CST
Rel. Humidity: 75%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.52 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 37 MPH
210° Southwest
Cloud Level(s): Scattered at 7000ft, Solid Overcast at 10000ft
Current Conditions at
TERRE HAUTE - (KHUF)
45°
Feels like 37°F
Cloudy
as of 2:53 AM EST
Rel. Humidity: 70%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 25 MPH
210° Southwest
Cloud Level(s): Few at 6000ft, Scattered at 7000ft, Solid Overcast at 9000ft
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
45°
Feels like 35°F
Cloudy
Light Drizzle
as of 2:15 AM CST
Rel. Humidity: 70%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 29.64 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 31 MPH
210° Southwest
Cloud Level(s): Scattered at 7000ft, Solid Overcast at 8000ft
70% chance of rain Overnight Overnight... Showers likely, mainly between 3am and 4am. Cloudy, with a low around 38. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
40% chance of rain & snow Wednesday Wednesday... A chance of rain showers, mixing with snow after noon, then gradually ending. Cloudy, with a temperature falling to around 31 by 5pm. Breezy, with a northwest wind 16 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Cloudy on Wednesday Night Wednesday Night... Cloudy, with a low around 23. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 30. West northwest wind 5 to 8 mph becoming light and variable in the afternoon. Winds could gust as high as 15 mph.
80% chance of snow Thursday Night Thursday Night... Snow. Low around 25. Light and variable wind becoming south southeast 5 to 7 mph in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 34. East wind 7 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 13. West northwest wind around 9 mph, with gusts as high as 16 mph.
40% chance of snow Saturday Saturday... A 40 percent chance of snow after noon. Mostly cloudy, with a high near 22.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around -1.
Sunny on Sunday Sunday... Sunny and cold, with a high near 10.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 0.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 28.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 18.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 38.
Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:01 AM
Sunset: 4:27 PM
Civil Sunrise:06:31 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 05:57 AM
Nautical Sunset: 5:31 PM
Astro Sunrise: 05:25 AM
Astro Sunset: 6:04 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.