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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 6:11 am CST Jan 16, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday M.L.King Day Tuesday Wednesday Thursday
40% chance of snow on Today 30% chance of snow on Tonight Partly Sunny on Saturday Partly Sunny on Sunday Mostly Sunny on M.L.King Day Partly Sunny on Tuesday Partly Sunny on Wednesday Partly Sunny on Thursday
High: 36 °F Low: 14°F High: 18°F High: 24°F High: 12°F High: 24°F High: 34°F High: 29°F
Low: 7 °F Low: 3 °F Low: 4°F Low: 17°F Low: 16°F  
Snow Snow Partly Sunny Partly Sunny Mostly Sunny Partly Sunny Partly Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
34°
Feels like 25°F
Cloudy
as of 8:14 AM CST
Rel. Humidity: 86%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.56 in.
Flight Rule: VFR
Wind Data
12 MPH
260° West
Cloud Level(s): Scattered at 1700ft, Scattered at 2600ft, Solid Overcast at 3600ft
Current Conditions at
DAVENPORT - (KDVN)
34°
Feels like 24°F
Cloudy
as of 8:13 AM CST
Rel. Humidity: 86%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.55 in.
Flight Rule: VFR
Wind Data
13 MPH
260° West
Cloud Level(s): Scattered at 2300ft, Solid Overcast at 3100ft
Current Conditions at
CLINTON - (KCWI)
30°
Feels like 21°F
Cloudy
Light Snow
as of 7:56 AM CST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 9 Miles
Pressure: 29.54 in.
Flight Rule: IFR
Wind Data
10 MPH
260° West
Cloud Level(s): Broken at 800ft, Solid Overcast at 1800ft
Current Conditions at
STERLING ROCK - (KSQI)
28°
Feels like 19°F
Partly Cloudy
Light Snow
as of 8:07 AM CST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: 9 Miles
Pressure: 29.54 in.
Flight Rule: VFR
Wind Data
9 MPH
250° West
Cloud Level(s): Scattered at 600ft
40% chance of snow Today Today... A slight chance of snow before 9am, then scattered snow showers after noon. Cloudy, with a temperature rising to near 36 by 11am, then falling to around 29 during the remainder of the day. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
30% chance of snow Tonight Tonight... Scattered snow showers between 9pm and 1am, then scattered flurries after 1am. Mostly cloudy, with a low around 14. West wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 18. Wind chill values as low as zero. West wind around 15 mph, with gusts as high as 25 mph.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 7. Wind chill values as low as -5. West wind 10 to 15 mph, with gusts as high as 25 mph.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 24.
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 12. Blustery.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 4.
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 17.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 34.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 16.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 29.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:25 AM
Sunset: 4:58 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:28 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 6:02 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:35 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.