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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 10:56 pm CST Jan 16, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday M.L.King Day Tuesday Wednesday Thursday Friday
20% chance of snow on Tonight 80% chance of snow on Saturday 20% chance of snow on Sunday Mostly Sunny on M.L.King Day Partly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday
Low: 15°F High: 18°F High: 25°F High: 11°F High: 25°F High: 33°F High: 24°F High: 28°F
Low: 8 °F Low: 3 °F Low: 5°F Low: 18°F Low: 13°F Low: 13°F  
Snow Snow Snow Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
19°
Feels like 2°F
Cloudy
as of 10:52 PM CST
Rel. Humidity: 48%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 35 MPH
290° West
Cloud Level(s): Solid Overcast at 5000ft
Current Conditions at
DAVENPORT - (KDVN)
18°
Feels like 2°F
Cloudy
as of 10:52 PM CST
Rel. Humidity: 61%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 29 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 5000ft
Current Conditions at
CLINTON - (KCWI)
16°
Feels like 0°F
Clear
as of 10:56 PM CST
Rel. Humidity: 72%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
18 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
19°
Feels like 4°F
Clear
as of 10:56 PM CST
Rel. Humidity: 67%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.79 in.
Flight Rule: VFR
Wind Data
16 MPH
270° West
Cloud Level(s): Clear
20% chance of snow Tonight Tonight... A chance of flurries before 2am. Partly cloudy, with a low around 15. West wind around 15 mph, with gusts as high as 30 mph.

80% chance of snow Saturday Saturday... Snow, mainly before 5pm. High near 18. Wind chill values as low as zero. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Partly Cloudy on Saturday Night Saturday Night... Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 30 mph.

20% chance of snow Sunday Sunday... A 20 percent chance of snow after noon. Mostly cloudy, with a high near 25. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 3. Blustery.

Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny, with a high near 11.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 5.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 25.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 18.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 33.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 13.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 24.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 13.

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

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:24 AM
Sunset: 4:59 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:29 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 6:03 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:36 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.