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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 9:36 am CST Jan 2, 2026 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Partly Sunny on Today Cloudy on Tonight Clearing on Saturday Increasing Clouds on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday 20% chance of rain on Thursday
High: 33°F Low: 24°F High: 37°F High: 36°F High: 49°F High: 56°F High: 55°F High: 56°F
Low: 19°F Low: 27°F Low: 38°F Low: 35°F Low: 39°F  
Partly Sunny Cloudy Clearing Increasing Clouds Mostly Sunny Partly Sunny Partly Sunny Rain
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
25°
Partly Cloudy
as of 9:35 AM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 1900ft
Current Conditions at
MATTOON - (KMTO)
25°
Feels like 14°F
Clear
as of 8:53 AM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
10 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
TERRE HAUTE - (KHUF)
27°
Clear
as of 9:53 AM EST
Rel. Humidity: 73%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
6 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
32°
Feels like 24°F
Cloudy
as of 9:35 AM CST
Rel. Humidity: 68%
Dew Point: 23°F
Pressure: 29.96 in.
Wind Data
9 MPH
030° Northeast
Partly Sunny on Today Today... Partly sunny, with a high near 33. North northeast wind 5 to 7 mph.

Cloudy on Tonight Tonight... Cloudy, with a low around 24. Northeast wind around 7 mph.

Clearing on Saturday Saturday... Cloudy through mid morning, then gradual clearing, with a high near 37. Northeast wind around 6 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 19. Light north northwest wind.

Increasing Clouds on Sunday Sunday... Increasing clouds, with a high near 36. Light and variable wind.

Mostly Clear on Sunday Night Sunday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Light south southeast wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 18 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 49. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 38.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 56.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 35.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 55.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 39.

20% chance of rain Thursday Thursday... A chance of rain. Mostly cloudy, with a high near 56.

Current Radar Image


Sun Almanac for Clarksville, Illinois
Sunrise: 07:12 AM
Sunset: 4:39 PM
Civil Sunrise:06:42 AM
Civil Sunset: 5:09 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:15 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.