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Clarksville, Illinois Weather Forecast
Clarksville, Illinois Weather
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Weather Forecast for Clarksville, Illinois : Clark County
Issued: 3:36 pm CST Jan 2, 2026 Latitude: 39.451702 Longitude: -87.7978078 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Cloudy on Tonight Clearing on Saturday Increasing Clouds on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday 20% chance of rain on Thursday 20% chance of rain on Friday
Low: 24°F High: 37°F High: 36°F High: 50°F High: 56°F High: 55°F High: 57°F High: 57°F
Low: 20°F Low: 26°F Low: 38°F Low: 36°F Low: 42°F Low: 47°F  
Cloudy Clearing Increasing Clouds Mostly Sunny Partly Sunny Mostly Sunny Rain Rain
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Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
28°
Cloudy
as of 3:35 PM CST
Rel. Humidity: 68%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 2100ft
Current Conditions at
MATTOON - (KMTO)
30°
Feels like 21°F
Mostly Clear
as of 2:53 PM CST
Rel. Humidity: 63%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
9 MPH
020° North
Cloud Level(s): Few at 2200ft
Current Conditions at
TERRE HAUTE - (KHUF)
34°
Clear
as of 3:53 PM EST
Rel. Humidity: 59%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
5 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
MOUNT CARMEL MUNI - (KAJG)
36°
Feels like 28°F
Partly Cloudy
as of 3:35 PM CST
Rel. Humidity: 55%
Dew Point: 21°F
Pressure: 29.91 in.
Wind Data
9 MPH
020° North
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 7 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 20. 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 26. Light southeast wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 17 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 50. South southwest wind 7 to 11 mph, with gusts as high as 20 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 38. South wind 6 to 8 mph, with gusts as high as 15 mph.

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 36.

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

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 42.

20% chance of rain Thursday Thursday... A chance of rain. Mostly cloudy, with a high near 57.

20% chance of rain Thursday Night Thursday Night... A chance of rain. Mostly cloudy, with a low around 47.

20% chance of rain Friday Friday... A chance of rain. Mostly cloudy, with a high near 57.

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.