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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 3:56 pm CST Dec 4, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Thursday
Patchy Fog on Tonight Morning Fog on Friday Partly Sunny on Saturday 30% chance of snow on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday 40% chance of rain & snow on Wednesday Partly Sunny on Thursday
Low: 0 °F High: 31°F High: 28°F High: 23°F High: 24°F High: 33°F High: 35°F High: 25°F
Low: 20°F Low: 20°F Low: -2°F Low: 19°F Low: 29°F Low: 10°F  
Patchy Fog Morning Fog Partly Sunny Snow Partly Sunny Mostly Cloudy Rain & Snow Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
Clear
as of 4:52 PM CST
Rel. Humidity: 65%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
10°
Clear
as of 4:52 PM CST
Rel. Humidity: 66%
Dew Point: 1°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
Feels like -4°F
Clear
as of 4:56 PM CST
Rel. Humidity: 65%
Dew Point: -0°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
9 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
Clear
as of 4:56 PM CST
Rel. Humidity: 65%
Dew Point: -2°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Patchy Fog on Tonight Tonight... Patchy fog after 9pm. Otherwise, partly cloudy, with a temperature falling to near 0 by 8pm, then rising to around 9 during the remainder of the night. Wind chill values as low as -15. South wind 5 to 10 mph.

Morning Fog on Friday Friday... Patchy fog before 9am. Otherwise, increasing clouds, with a high near 31. Wind chill values as low as -5. Southwest wind around 10 mph, with gusts as high as 20 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 20. Southwest wind 5 to 10 mph becoming northwest after midnight.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 28. Northwest wind around 5 mph becoming northeast in the afternoon.

70% chance of snow Saturday Night Saturday Night... Snow likely, mainly after midnight. Cloudy, with a low around 20. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

30% chance of snow Sunday Sunday... A 30 percent chance of snow before noon. Partly sunny, with a high near 23.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -2.

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

30% chance of snow Monday Night Monday Night... A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 19.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 33.

50% chance of snow Tuesday Night Tuesday Night... A 50 percent chance of snow. Cloudy, with a low around 29.

40% chance of rain & snow Wednesday Wednesday... A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 10.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 25.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:12 AM
Sunset: 4:32 PM
Civil Sunrise:06:41 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:06 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:33 AM
Astro Sunset: 6:11 PM
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