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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 10:46 pm CST Nov 29, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
80% chance of blowing snow on Tonight Blowing Snow on Sunday 60% chance of snow on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday Mostly Cloudy on Saturday
Low: 21°F High: 27°F High: 24°F High: 24°F High: 31°F High: 18°F High: 28°F High: 32°F
Low: 11°F Low: 13°F Low: 16°F Low: 1°F Low: 4°F Low: 14°F  
Blowing Snow Blowing Snow Snow Partly Sunny Mostly Cloudy Mostly Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
MOLINE - (KMLI)
30°
Feels like 17°F
Cloudy
Light Snow Mist
as of 11:11 PM CST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 4 Miles
Pressure: 29.82 in.
Flight Rule: MVFR
Wind Data
21 MPH
Gust: 32 MPH
270° West
Cloud Level(s): Broken at 1300ft, Solid Overcast at 5000ft
Current Conditions at
DAVENPORT - (KDVN)
30°
Feels like 17°F
Cloudy
Light Snow Mist
as of 10:55 PM CST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 1 3/4 Miles
Flight Rule: IFR
Wind Data
21 MPH
Gust: 29 MPH
260° West
Cloud Level(s): Solid Overcast at 500ft
Current Conditions at
CLINTON - (KCWI)
28°
Feels like 19°F
Cloudy
Light Snow Mist
as of 11:18 PM CST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: 1 3/4 Miles
Pressure: 29.81 in.
Flight Rule: IFR
Wind Data
10 MPH
280° West
Cloud Level(s): Scattered at 700ft, Solid Overcast at 1800ft
Current Conditions at
STERLING ROCK - (KSQI)
30°
Feels like 18°F
Cloudy
Mist
as of 11:25 PM CST
Rel. Humidity: 100%
Dew Point: 30°F
Visibility: 3 Miles
Pressure: 29.78 in.
Flight Rule: LIFR
Wind Data
16 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 300ft
80% chance of blowing snow Tonight Tonight... Snow, mainly before 3am. Patchy blowing snow after 1am. Low around 21. Breezy, with a west wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

Blowing Snow on Sunday Sunday... Patchy blowing snow before 7am. Mostly cloudy, with a high near 27. Breezy, with a northwest wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 35 mph.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 11. Northwest wind 5 to 10 mph becoming light and variable in the evening.

60% chance of snow Monday Monday... Snow likely after noon. Cloudy, with a high near 24. Calm wind becoming south around 5 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

50% chance of snow Monday Night Monday Night... A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 13. New snow accumulation of less than a half inch possible.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 24.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 16.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 31.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 1.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 18.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 4.

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

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 14.

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

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:08 AM
Sunset: 4:33 PM
Civil Sunrise:06:37 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:03 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:29 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.