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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 7:01 pm CST Jan 12, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday M.L.King Day
Increasing Clouds on Tonight Mostly Cloudy on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday 50% chance of snow on Friday 30% chance of snow on Saturday Partly Sunny on Sunday Partly Sunny on M.L.King Day
Low: 35°F High: 49°F High: 29°F High: 28°F High: 35°F High: 18°F High: 18°F High: 24°F
Low: 27°F Low: 13°F Low: 24°F Low: 12°F Low: 4°F Low: 6°F  
Increasing Clouds Mostly Cloudy Partly Sunny Mostly Sunny Snow Snow Partly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
37°
Clear
as of 8:52 PM CST
Rel. Humidity: 69%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
6 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
37°
Feels like 30°F
Clear
as of 8:52 PM CST
Rel. Humidity: 69%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
9 MPH
200° South
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
30°
Feels like 21°F
Clear
as of 8:56 PM CST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
9 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
32°
Clear
as of 8:56 PM CST
Rel. Humidity: 86%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 35. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 49. West wind 10 to 15 mph, with gusts as high as 30 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 27. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 29. Blustery, with a north wind 20 to 25 mph, with gusts as high as 35 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 13.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 28.

60% chance of snow Thursday Night Thursday Night... Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

50% chance of snow Friday Friday... A 50 percent chance of snow after noon. Mostly cloudy, with a high near 35.

30% chance of snow Friday Night Friday Night... A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 12.

30% chance of snow Saturday Saturday... A 30 percent chance of snow after noon. Mostly cloudy, with a high near 18.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 4.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 18.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 6.

Partly Sunny on M.L.King Day M.L.King Day... Partly sunny, with a high near 24.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:26 AM
Sunset: 4:53 PM
Civil Sunrise:06:56 AM
Civil Sunset: 5:24 PM
Nautical Sunrise: 06:21 AM
Nautical Sunset: 5:58 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:31 PM
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