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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 4:21 pm CST Dec 17, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
60% chance of rain on Tonight 100% chance of rain & snow on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday
Low: 45 °F High: 31 °F High: 31°F High: 44°F High: 33°F High: 41°F High: 48°F High: 44°F
Low: 11°F Low: 23°F Low: 18°F Low: 24°F Low: 33°F Low: 28°F  
Rain Rain & Snow Mostly Sunny Partly Sunny Sunny Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
36°
Feels like 27°F
Clear
as of 7:52 PM CST
Rel. Humidity: 74%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
12 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
34°
Feels like 23°F
Clear
as of 7:52 PM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
15 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
32°
Feels like 20°F
Clear
as of 7:56 PM CST
Rel. Humidity: 86%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
17 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
32°
Clear
as of 7:56 PM CST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.83 in.
Flight Rule: VFR
Wind Data
8 MPH
130° Southeast
Cloud Level(s): Clear
60% chance of rain Tonight Tonight... Rain likely, mainly after 5am. Mostly cloudy, with a temperature rising to around 45 by 5am. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

100% chance of rain & snow Thursday Thursday... Rain and snow showers before 4pm, then a slight chance of snow showers after 5pm. Temperature falling to around 31 by 5pm. Breezy, with a south wind 20 to 25 mph becoming west in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

30% chance of snow Thursday Night Thursday Night... Scattered snow showers, mainly before 7pm. Mostly cloudy, with a low around 11. Wind chill values as low as -5. Breezy, with a west wind 15 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 31. Wind chill values as low as -5. Northwest wind 10 to 15 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 23.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 44.

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

Sunny on Sunday Sunday... Sunny, with a high near 33.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 24.

Partly Sunny on Monday Monday... Partly sunny, with a high near 41.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 33.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 48.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 44.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:22 AM
Sunset: 4:33 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:16 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 6:13 PM
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