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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 8:41 pm CST Dec 16, 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 Mostly Sunny on Wednesday 80% chance of rain & snow on Thursday Mostly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday
Low: 27°F High: 38°F High: 45°F High: 32°F High: 43°F High: 31°F High: 39°F High: 44°F
Low: 42 °F Low: 12°F Low: 24°F Low: 17°F Low: 21°F Low: 29°F  
Mostly Cloudy Mostly Sunny Rain & Snow Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
39°
Feels like 33°F
Clear
as of 11:52 PM CST
Rel. Humidity: 75%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
9 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
37°
Feels like 29°F
Clear
as of 11:52 PM CST
Rel. Humidity: 80%
Dew Point: 32°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
12 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
36°
Feels like 27°F
Clear
as of 11:56 PM CST
Rel. Humidity: 86%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
13 MPH
260° West
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
36°
Feels like 27°F
Clear
as of 11:56 PM CST
Rel. Humidity: 86%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
12 MPH
250° West
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 27. West wind 5 to 10 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 38. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

70% chance of rain Wednesday Night Wednesday Night... Rain likely after midnight. Mostly cloudy, with a temperature rising to around 42 by 5am. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

80% chance of rain & snow Thursday Thursday... Rain before 3pm, then a slight chance of snow. High near 45. Breezy, with a south wind 15 to 25 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 12. Breezy.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 32.

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

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 43.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 17.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 31.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 21.

Partly Sunny on Monday Monday... Partly sunny, with a high near 39.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 29.

Partly Sunny on Tuesday Tuesday... 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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