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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 6:46 pm CST Jan 27, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Clear on Tonight Mostly Sunny on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday Sunny on Saturday 30% chance of snow on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
Low: 2 °F High: 20°F High: 16°F High: 16°F High: 22°F High: 27°F High: 30°F High: 31°F
Low: 2 °F Low: 0°F Low: 3°F Low: 7°F Low: 17°F Low: 14°F  
Mostly Clear Mostly Sunny Partly Sunny Mostly Sunny Sunny Snow Partly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
10°
Feels like -3°F
Clear
as of 5:52 PM CST
Rel. Humidity: 55%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
10 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
9°
Feels like -6°F
Clear
as of 5:52 PM CST
Rel. Humidity: 60%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
12 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
9°
Feels like -8°F
Clear
as of 5:56 PM CST
Rel. Humidity: 60%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
15 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
10°
Feels like -5°F
Clear
as of 5:56 PM CST
Rel. Humidity: 55%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
14 MPH
290° West
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 2. Wind chill values as low as -10. West wind 5 to 10 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 20. Wind chill values as low as -10. West wind 5 to 15 mph, with gusts as high as 20 mph.
Increasing Clouds on Wednesday Night Wednesday Night... Increasing clouds, with a low around 2. Wind chill values as low as -5. North wind around 5 mph.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 16. Wind chill values as low as -5. North wind around 5 mph.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 0.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 16.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 3.
Sunny on Saturday Saturday... Sunny, with a high near 22.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 7.
30% chance of snow Sunday Sunday... A 30 percent chance of snow after noon. Partly sunny, with a high near 27.
30% chance of snow Sunday Night Sunday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Partly Sunny on Monday Monday... Partly sunny, with a high near 30.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 14.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 31.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:17 AM
Sunset: 5:11 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:41 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 6:14 PM
Astro Sunrise: 05:41 AM
Astro Sunset: 6:47 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.