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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 4:21 am CST Dec 7, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
50% chance of snow on Overnight 30% chance of snow on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday Mostly Cloudy on Wednesday 30% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
Low: 28°F High: 17 °F High: 26°F High: 41°F High: 36°F High: 26°F High: 14°F High: 11°F
Low: 3 °F Low: 18°F Low: 30°F Low: 17°F Low: 5°F Low: -3°F  
Snow Snow Partly Sunny Mostly Cloudy Mostly Cloudy Snow Partly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
27°
Cloudy
Light Snow Mist
as of 4:52 AM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 4 Miles
Pressure: 29.98 in.
Flight Rule: IFR
Wind Data
8 MPH
030° Northeast
Cloud Level(s): Broken at 900ft, Solid Overcast at 2600ft
Current Conditions at
DAVENPORT - (KDVN)
25°
Feels like 11°F
Cloudy
Light Snow Mist
as of 5:19 AM CST
Rel. Humidity: 92%
Dew Point: 23°F
Visibility: 4 Miles
Flight Rule: MVFR
Wind Data
16 MPH
030° Northeast
Cloud Level(s): Scattered at 2300ft, Solid Overcast at 3600ft
Current Conditions at
CLINTON - (KCWI)
25°
Feels like 11°F
Cloudy
Light Snow
as of 5:18 AM CST
Rel. Humidity: 92%
Dew Point: 23°F
Visibility: 7 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
16 MPH
030° Northeast
Cloud Level(s): Broken at 3300ft, Solid Overcast at 4200ft
Current Conditions at
STERLING ROCK - (KSQI)
27°
Feels like 16°F
Clear
Light Snow Mist
as of 5:13 AM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 4 Miles
Pressure: 30.01 in.
Flight Rule: MVFR
Wind Data
10 MPH
030° Northeast
Cloud Level(s): Clear
50% chance of snow Overnight Overnight... A 50 percent chance of snow. Cloudy, with a steady temperature around 28. Northeast wind around 10 mph, with gusts as high as 25 mph. Total nighttime snow accumulation of 2 to 4 inches possible.

30% chance of snow Sunday Sunday... A 30 percent chance of snow, mainly between 7am and 8am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 17 by 5pm. North wind 5 to 15 mph, with gusts as high as 25 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 3. Wind chill values as low as -5. North wind around 5 mph becoming calm in the evening.

Partly Sunny on Monday Monday... Partly sunny, with a high near 26. Light and variable wind becoming south 5 to 10 mph in the afternoon.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 18.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 41.

50% chance of rain Tuesday Night Tuesday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 30.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 36.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 17.

30% chance of snow Thursday Thursday... A 30 percent chance of snow after noon. Mostly cloudy, with a high near 26.

30% chance of snow Thursday Night Thursday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 5.

Partly Sunny on Friday Friday... Partly sunny, with a high near 14.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -3.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 11.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:15 AM
Sunset: 4:31 PM
Civil Sunrise:06:43 AM
Civil Sunset: 5:02 PM
Nautical Sunrise: 06:09 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:35 AM
Astro Sunset: 6:11 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.