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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 8:46 pm CST Nov 28, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

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Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
100% chance of snow on Tonight 100% chance of snow on Saturday Mostly Sunny on Sunday 40% chance of snow on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday
Low: 26°F High: 32°F High: 27°F High: 21°F High: 23°F High: 32°F High: 21°F High: 29°F
Low: 22°F Low: 6°F Low: 8°F Low: 14°F Low: 4°F Low: 5°F  
Snow Snow Mostly Sunny Snow Partly Sunny Mostly Cloudy Mostly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
28°
Feels like 19°F
Cloudy
as of 9:52 PM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 9 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
9 MPH
160° South
Cloud Level(s): Solid Overcast at 3900ft
Current Conditions at
DAVENPORT - (KDVN)
28°
Feels like 19°F
Cloudy
Light Snow
as of 9:52 PM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 6 Miles
Flight Rule: VFR
Wind Data
10 MPH
160° South
Cloud Level(s): Solid Overcast at 3800ft
Current Conditions at
CLINTON - (KCWI)
28°
Cloudy
as of 9:56 PM CST
Rel. Humidity: 63%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: VFR
Wind Data
6 MPH
160° South
Cloud Level(s): Scattered at 4300ft, Solid Overcast at 5500ft
Current Conditions at
STERLING ROCK - (KSQI)
27°
Clear
as of 9:56 PM CST
Rel. Humidity: 73%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.37 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
100% chance of snow Tonight Tonight... Snow, mainly after 11pm. Low around 26. Southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
100% chance of snow Saturday Saturday... Snow. The snow could be heavy at times. High near 32. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
100% chance of snow Saturday Night Saturday Night... Snow, mainly before 1am. Low around 22. Blustery, with an east wind 5 to 10 mph becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Mostly Sunny on Sunday Sunday... Cloudy, then gradually becoming mostly sunny, with a high near 27. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 6.
40% chance of snow Monday Monday... A 40 percent chance of snow after noon. Mostly cloudy, with a high near 21.
40% chance of snow Monday Night Monday Night... A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 23.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 14.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 32.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 4.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 21.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 5.
Partly Sunny on Friday Friday... Partly sunny, with a high near 29.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:06 AM
Sunset: 4:33 PM
Civil Sunrise:06:35 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:27 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.