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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 10:46 pm CST Dec 13, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Clear on Overnight Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday 30% chance of rain on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: -7°F High: 6 °F High: 29°F High: 38°F High: 41°F High: 45°F High: 33°F High: 42°F
Low: -2 °F Low: 15°F Low: 28°F Low: 33°F Low: 13°F Low: 25°F  
Clear Sunny Mostly Sunny Partly Sunny Partly Sunny Rain Partly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
-0°
Feels like -18°F
Clear
as of 12:52 AM CST
Rel. Humidity: 70%
Dew Point: -8°F
Visibility: 10 Miles
Pressure: 30.49 in.
Flight Rule: VFR
Wind Data
13 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
-2°
Feels like -21°F
Clear
as of 12:52 AM CST
Rel. Humidity: 77%
Dew Point: -8°F
Wind Data
14 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
-4°
Feels like -22°F
Clear
as of 12:56 AM CST
Rel. Humidity: 76%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.47 in.
Flight Rule: VFR
Wind Data
12 MPH
320° Northwest
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
-2°
Feels like -17°F
Clear
as of 12:56 AM CST
Rel. Humidity: 77%
Dew Point: -8°F
Visibility: 10 Miles
Pressure: 30.46 in.
Flight Rule: VFR
Wind Data
9 MPH
280° West
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around -7. Wind chill values as low as -25. Northwest wind around 10 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 6. Wind chill values as low as -25. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a temperature falling to near -2 by 9pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -15. South wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 29. Wind chill values as low as -5. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 15.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 38.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 41.

40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 33.

30% chance of rain Thursday Thursday... A 30 percent chance of rain before noon. Partly sunny, with a high near 45. Breezy.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 13.

Partly Sunny on Friday Friday... Partly sunny, with a high near 33.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 25.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 42.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:20 AM
Sunset: 4:32 PM
Civil Sunrise:06:49 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:12 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.