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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 12:16 am CST Dec 13, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
20% chance of snow on Overnight 100% chance of snow on Saturday Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday
Low: 5 °F High: 10°F High: 6 °F High: 28°F High: 37°F High: 46°F High: 43°F High: 40°F
Low: -6°F Low: -4°F Low: 14°F Low: 27°F Low: 32°F Low: 20°F  
Snow Snow Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
MOLINE - (KMLI)
16°
Feels like -1°F
Cloudy
as of 11:52 PM CST
Rel. Humidity: 61%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 29 MPH
310° Northwest
Cloud Level(s): Broken at 6000ft, Solid Overcast at 7000ft
Current Conditions at
DAVENPORT - (KDVN)
14°
Feels like -3°F
Cloudy
as of 11:52 PM CST
Rel. Humidity: 61%
Dew Point: 3°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
20 MPH
Gust: 30 MPH
300° Northwest
Cloud Level(s): Scattered at 7000ft, Solid Overcast at 11000ft
Current Conditions at
CLINTON - (KCWI)
14°
Feels like -3°F
Cloudy
as of 11:56 PM CST
Rel. Humidity: 78%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
20 MPH
300° Northwest
Cloud Level(s): Scattered at 6500ft, Solid Overcast at 10000ft
Current Conditions at
STERLING ROCK - (KSQI)
18°
Feels like 1°F
Partly Cloudy
as of 11:56 PM CST
Rel. Humidity: 67%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
18 MPH
Gust: 25 MPH
290° West
Cloud Level(s): Scattered at 11000ft
20% chance of snow Overnight Overnight... A chance of flurries before 2am. Cloudy, with a low around 5. Wind chill values as low as -5. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

100% chance of snow Saturday Saturday... Snow, mainly before 5pm. The snow could be heavy at times. High near 10. Wind chill values as low as -10. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around -6. Wind chill values as low as -25. Northwest wind around 10 mph, with gusts as high as 20 mph.

Sunny on Sunday Sunday... Sunny and cold, with a high near 6. Wind chill values as low as -25. Northwest wind 5 to 10 mph becoming west in the afternoon.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around -4.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 28.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 14.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 37.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 27.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 46.

30% chance of rain Wednesday Night Wednesday Night... A 30 percent chance of rain. Mostly cloudy, with a low around 32.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 43.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 20.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 40.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:20 AM
Sunset: 4:32 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:13 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:40 AM
Astro Sunset: 6:12 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.