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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 10:41 pm CST Dec 8, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Tonight 40% chance of rain on Tuesday 30% chance of snow on Wednesday 40% chance of snow on Thursday 30% chance of snow on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday Partly Sunny on Monday
Low: 27 °F High: 36°F High: 33°F High: 25°F High: 22°F High: 9°F High: 15°F High: 26°F
Low: 30°F Low: 15°F Low: 13°F Low: 0°F Low: -2°F Low: 5°F  
Mostly Cloudy Rain Snow Snow Snow Mostly Cloudy Mostly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
21°
Cloudy
as of 9:52 PM CST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
7 MPH
110° East
Cloud Level(s): Solid Overcast at 9000ft
Current Conditions at
DAVENPORT - (KDVN)
21°
Cloudy
as of 9:52 PM CST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
7 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 7500ft
Current Conditions at
CLINTON - (KCWI)
19°
Feels like 7°F
Cloudy
Light Snow
as of 9:56 PM CST
Rel. Humidity: 85%
Dew Point: 16°F
Visibility: 9 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
12 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 3800ft
Current Conditions at
STERLING ROCK - (KSQI)
19°
Mostly Cloudy
as of 9:56 PM CST
Rel. Humidity: 85%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
7 MPH
150° Southeast
Cloud Level(s): Broken at 4200ft
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a temperature rising to around 27 by 5am. South wind 10 to 15 mph, with gusts as high as 30 mph.

40% chance of rain Tuesday Tuesday... A 40 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 36. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

70% chance of rain Tuesday Night Tuesday Night... Rain likely, mainly before midnight, then a chance of showers after 3am. Cloudy, with a low around 30. Breezy, with a southwest wind 20 to 25 mph becoming west after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%.

30% chance of snow Wednesday Wednesday... A 30 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 33. Breezy, with a northwest wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 15.

40% chance of snow Thursday Thursday... A 40 percent chance of snow. Mostly cloudy, with a high near 25.

40% chance of snow Thursday Night Thursday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 13.

30% chance of snow Friday Friday... A 30 percent chance of snow before noon. Mostly cloudy, with a high near 22.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 0.

Mostly Cloudy on Saturday Saturday... Mostly cloudy and cold, with a high near 9.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around -2.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 15.

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

Partly Sunny on Monday Monday... Partly sunny, with a high near 26.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:15 AM
Sunset: 4:31 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:02 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:36 AM
Astro Sunset: 6:11 PM
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