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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 6:36 am CST Jan 11, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
Mostly Sunny on Today Cloudy on Tonight Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Partly Sunny on Thursday 30% chance of snow on Friday Mostly Cloudy on Saturday
High: 33°F Low: 27°F High: 44°F High: 52°F High: 35°F High: 31°F High: 36°F High: 24°F
Low: 33°F Low: 30°F Low: 17°F Low: 25°F Low: 18°F  
Mostly Sunny Cloudy Mostly Sunny Partly Sunny Mostly Cloudy Partly Sunny Snow Mostly Cloudy
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Current Conditions at
MOLINE - (KMLI)
27°
Feels like 14°F
Cloudy
as of 9:52 AM CST
Rel. Humidity: 68%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.44 in.
Flight Rule: MVFR
Wind Data
16 MPH
Gust: 26 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
DAVENPORT - (KDVN)
27°
Feels like 14°F
Cloudy
as of 9:52 AM CST
Rel. Humidity: 73%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.43 in.
Flight Rule: MVFR
Wind Data
15 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 1800ft
Current Conditions at
CLINTON - (KCWI)
27°
Feels like 16°F
Cloudy
as of 9:56 AM CST
Rel. Humidity: 79%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.43 in.
Flight Rule: MVFR
Wind Data
12 MPH
330° Northwest
Cloud Level(s): Solid Overcast at 1900ft
Current Conditions at
STERLING ROCK - (KSQI)
28°
Feels like 17°F
Cloudy
as of 10:10 AM CST
Rel. Humidity: 74%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.41 in.
Flight Rule: MVFR
Wind Data
13 MPH
290° West
Cloud Level(s): Broken at 2400ft, Solid Overcast at 3000ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 33. West wind 10 to 15 mph, with gusts as high as 25 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 27. Southwest wind around 10 mph, with gusts as high as 20 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 44. Southwest wind 5 to 10 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 33. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 52.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 35.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 17.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 31.
40% chance of snow Thursday Night Thursday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 25.
30% chance of snow Friday Friday... A 30 percent chance of snow. Mostly cloudy, with a high near 36.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 18.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 24.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:27 AM
Sunset: 4:52 PM
Civil Sunrise:06:56 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:30 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.