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Dennison, Illinois Weather Forecast
Dennison, Illinois Weather
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Weather Forecast for Dennison, Illinois : Clark County
Issued: 3:16 am CST Dec 7, 2025 Latitude: 39.4608688 Longitude: -87.5978025 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Fog on Overnight Fog on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday 40% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: 29°F High: 36°F High: 31°F High: 44°F High: 45°F High: 33°F High: 24°F High: 17°F
Low: 20°F Low: 19°F Low: 38°F Low: 24°F Low: 15°F Low: 4°F  
Fog Fog Mostly Sunny Partly Sunny Mostly Cloudy Snow Partly Sunny Partly Sunny
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Current Conditions at
TERRE HAUTE - (KHUF)
34°
Cloudy
Mist
as of 4:53 AM EST
Rel. Humidity: 100%
Dew Point: 34°F
Visibility: 3 Miles
Pressure: 29.98 in.
Flight Rule: IFR
Wind Data
6 MPH
140° Southeast
Cloud Level(s): Broken at 700ft, Solid Overcast at 1000ft
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
34°
Cloudy
Mist
as of 4:15 AM CST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: 2 1/2 Miles
Pressure: 29.98 in.
Flight Rule: LIFR
Wind Data
7 MPH
160° South
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
ROBINSON - (KRSV)
36°
Cloudy
Mist
as of 4:15 AM CST
Rel. Humidity: 100%
Dew Point: 36°F
Visibility: 3 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
7 MPH
160° South
Cloud Level(s): Solid Overcast at 800ft
Current Conditions at
MATTOON - (KMTO)
34°
Cloudy
Mist
as of 3:53 AM CST
Rel. Humidity: 100%
Dew Point: 34°F
Visibility: 4 Miles
Pressure: 29.96 in.
Flight Rule: LIFR
Wind Data
7 MPH
180° South
Cloud Level(s): Solid Overcast at 400ft
Fog on Overnight Overnight... Areas of fog. Otherwise, cloudy, with a low around 29. South southeast wind around 6 mph.

Fog on Sunday Sunday... Areas of fog. Otherwise, cloudy, with a high near 36. Light and variable wind becoming north 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 20. North northeast wind 8 to 11 mph, with gusts as high as 22 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 31. North northeast wind 5 to 7 mph becoming calm in the afternoon.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 19. Light south southwest wind increasing to 8 to 13 mph after midnight. Winds could gust as high as 23 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 44. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 13 to 20 mph, with gusts as high as 32 mph.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 45.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 24.

40% chance of snow Thursday Thursday... A 40 percent chance of snow. Mostly cloudy, with a high near 33.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 15.

Partly Sunny on Friday Friday... Partly sunny, with a high near 24.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 4.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 17.

Current Radar Image


Sun Almanac for Dennison, Illinois
Sunrise: 06:58 AM
Sunset: 4:26 PM
Civil Sunrise:06:28 AM
Civil Sunset: 4:57 PM
Nautical Sunrise: 05:54 AM
Nautical Sunset: 5:30 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 6:03 PM
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