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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 9:01 pm CST Dec 9, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
50% chance of rain on Overnight 60% chance of snow on Wednesday 30% chance of snow on Thursday 30% chance of snow on Friday 50% chance of snow on Saturday Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
Low: 29°F High: 27 °F High: 26°F High: 27°F High: 13°F High: 8°F High: 24°F High: 30°F
Low: 15°F Low: 20°F Low: 7°F Low: -9°F Low: -5°F Low: 10°F  
Rain Snow Snow Snow Snow Sunny Partly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
43°
Feels like 33°F
Mostly Cloudy
as of 1:02 AM CST
Rel. Humidity: 70%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.36 in.
Flight Rule: MVFR
Wind Data
25 MPH
Gust: 40 MPH
280° West
Cloud Level(s): Broken at 2900ft
Current Conditions at
DAVENPORT - (KDVN)
39°
Feels like 28°F
Cloudy
as of 12:52 AM CST
Rel. Humidity: 80%
Dew Point: 34°F
Visibility: 10 Miles
Flight Rule: MVFR
Wind Data
26 MPH
Gust: 41 MPH
280° West
Cloud Level(s): Solid Overcast at 2700ft
Current Conditions at
CLINTON - (KCWI)
39°
Feels like 27°F
Cloudy
as of 12:56 AM CST
Rel. Humidity: 80%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.32 in.
Flight Rule: MVFR
Wind Data
32 MPH
270° West
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
STERLING ROCK - (KSQI)
39°
Feels like 28°F
Mostly Cloudy
as of 1:16 AM CST
Rel. Humidity: 80%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 29.32 in.
Flight Rule: MVFR
Wind Data
25 MPH
Gust: 33 MPH
260° West
Cloud Level(s): Broken at 2800ft
50% chance of rain Overnight Overnight... A 50 percent chance of rain, mainly after 5am. Cloudy, with a low around 29. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.

60% chance of snow Wednesday Wednesday... Snow likely, mainly before 7am. Mostly cloudy, with a temperature falling to around 27 by 5pm. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 15. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

30% chance of snow Thursday Thursday... A 30 percent chance of snow after noon. Mostly cloudy, with a high near 26. Calm wind becoming south around 5 mph in the afternoon.

60% chance of snow Thursday Night Thursday Night... Snow likely, mainly before midnight. Cloudy, with a low around 20. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

30% chance of snow Friday Friday... A 30 percent chance of snow after noon. Mostly cloudy, with a high near 27.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 7.

50% chance of snow Saturday Saturday... A 50 percent chance of snow. Mostly cloudy, with a high near 13.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around -9.

Sunny on Sunday Sunday... Sunny and cold, with a high near 8.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -5.

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

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

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 30.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:17 AM
Sunset: 4:31 PM
Civil Sunrise:06:46 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:38 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.