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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 9:21 pm CST Dec 2, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Overnight 40% chance of snow on Wednesday Sunny on Thursday Partly Sunny on Friday Partly Sunny on Saturday 30% chance of snow on Sunday Partly Sunny on Monday Mostly Cloudy on Tuesday
Low: 25 °F High: 33°F High: 13°F High: 27°F High: 28°F High: 24°F High: 27°F High: 32°F
Low: -3°F Low: -1°F Low: 15°F Low: 15°F Low: 4°F Low: 15°F  
Mostly Cloudy Snow Sunny Partly Sunny Partly Sunny Snow Partly Sunny Mostly Cloudy
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Current Conditions at
MOLINE - (KMLI)
25°
Clear
as of 11:52 PM CST
Rel. Humidity: 79%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
8 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
23°
Feels like 9°F
Mostly Clear
as of 11:52 PM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
17 MPH
180° South
Cloud Level(s): Few at 10000ft
Current Conditions at
CLINTON - (KCWI)
21°
Feels like 9°F
Clear
as of 11:56 PM CST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
12 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
21°
Mostly Clear
as of 11:56 PM CST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Few at 12000ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a temperature rising to around 25 by 5am. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

40% chance of snow Wednesday Wednesday... A 40 percent chance of snow, mainly before 3pm. Cloudy, with a high near 33. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around -3. Wind chill values as low as -10. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

Sunny on Thursday Thursday... Sunny, with a high near 13. Wind chill values as low as -15. Northwest wind around 5 mph becoming calm.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around -1.

Partly Sunny on Friday Friday... Partly sunny, with a high near 27.

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

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 28.

50% chance of snow Saturday Night Saturday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 15.

30% chance of snow Sunday Sunday... A 30 percent chance of snow. Mostly cloudy, with a high near 24.

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

Partly Sunny on Monday Monday... Partly sunny, with a high near 27.

40% chance of snow Monday Night Monday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 15.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 32.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:11 AM
Sunset: 4:32 PM
Civil Sunrise:06:40 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:05 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:32 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.