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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 1:36 pm CST Jan 10, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Sunday Monday Tuesday Wednesday Thursday Friday
50% chance of snow on This Afternoon 30% chance of snow on Tonight Flurries on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Partly Sunny on Thursday 30% chance of snow on Friday
High: 37°F Low: 23°F High: 32°F High: 45°F High: 51°F High: 35°F High: 34°F High: 37°F
Low: 26°F Low: 34°F Low: 30°F Low: 18°F Low: 28°F  
Snow Snow Flurries Mostly Sunny Partly Sunny Mostly Cloudy Partly Sunny Snow
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Current Conditions at
MOLINE - (KMLI)
37°
Feels like 29°F
Cloudy
as of 1:52 PM CST
Rel. Humidity: 60%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
13 MPH
290° West
Cloud Level(s): Solid Overcast at 8500ft
Current Conditions at
DAVENPORT - (KDVN)
36°
Feels like 25°F
Cloudy
as of 1:52 PM CST
Rel. Humidity: 64%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 25 MPH
290° West
Cloud Level(s): Solid Overcast at 8000ft
Current Conditions at
CLINTON - (KCWI)
36°
Feels like 26°F
Mostly Cloudy
as of 1:56 PM CST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
14 MPH
280° West
Cloud Level(s): Scattered at 7500ft, Broken at 9000ft
Current Conditions at
STERLING ROCK - (KSQI)
39°
Feels like 30°F
Mostly Cloudy
as of 1:56 PM CST
Rel. Humidity: 64%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
16 MPH
280° West
Cloud Level(s): Scattered at 2500ft, Broken at 3500ft
50% chance of snow This Afternoon This Afternoon... A chance of sprinkles before 3pm, then scattered snow showers. Mostly cloudy, with a high near 37. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than a half inch possible.

30% chance of snow Tonight Tonight... Scattered snow showers or flurries before 10pm, then isolated snow showers between 10pm and 3am, then scattered flurries after 3am. Cloudy, then gradually becoming partly cloudy, with a low around 23. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.

Flurries on Sunday Sunday... Scattered flurries before 7am. Mostly sunny, with a high near 32. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 26. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 45.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 34.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 51.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 35.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 18.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 34.

40% chance of snow Thursday Night Thursday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 28.

30% chance of snow Friday Friday... A 30 percent chance of snow. Mostly cloudy, with a high near 37.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:27 AM
Sunset: 4:51 PM
Civil Sunrise:06:56 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 5:56 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:29 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.