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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 3:16 pm CST Jan 17, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday M.L.King Day Tuesday Wednesday Thursday Friday Saturday
20% chance of snow on Tonight 40% chance of snow on Sunday Mostly Sunny on M.L.King Day Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Partly Sunny on Friday 30% chance of snow on Saturday
Low: 7 °F High: 23°F High: 10°F High: 28°F High: 29°F High: 26°F High: 29°F High: 16°F
Low: 0 °F Low: 5°F Low: 21°F Low: 11°F Low: 16°F Low: 6°F  
Snow Snow Mostly Sunny Mostly Sunny Partly Sunny Mostly Sunny Partly Sunny Snow
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Current Conditions at
MOLINE - (KMLI)
12°
Feels like -3°F
Cloudy
Light Snow
as of 6:52 PM CST
Rel. Humidity: 78%
Dew Point: 7°F
Visibility: 6 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
14 MPH
280° West
Cloud Level(s): Few at 1900ft, Solid Overcast at 4100ft
Current Conditions at
DAVENPORT - (KDVN)
12°
Feels like -5°F
Cloudy
Light Snow
as of 6:52 PM CST
Rel. Humidity: 78%
Dew Point: 7°F
Visibility: 6 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
18 MPH
270° West
Cloud Level(s): Solid Overcast at 4700ft
Current Conditions at
CLINTON - (KCWI)
12°
Feels like -6°F
Cloudy
Light Snow
as of 6:56 PM CST
Rel. Humidity: 85%
Dew Point: 9°F
Visibility: 7 Miles
Pressure: 30.13 in.
Flight Rule: MVFR
Wind Data
21 MPH
270° West
Cloud Level(s): Solid Overcast at 3000ft
Current Conditions at
STERLING ROCK - (KSQI)
14°
Feels like -2°F
Clear
Light Snow
as of 6:56 PM CST
Rel. Humidity: 85%
Dew Point: 10°F
Visibility: 9 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
18 MPH
270° West
Cloud Level(s): Clear
20% chance of snow Tonight Tonight... A chance of flurries before 8pm. 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.
40% chance of snow Sunday Sunday... A chance of flurries between 8am and 11am, then a chance of snow after 11am. Mostly cloudy, with a high near 23. Wind chill values as low as -5. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
20% chance of snow Sunday Night Sunday Night... A 20 percent chance of snow before 7pm. Mostly cloudy, with a low around 0. Wind chill values as low as -20. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 35 mph.
Mostly Sunny on M.L.King Day M.L.King Day... Mostly sunny and cold, with a high near 10. Wind chill values as low as -20. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 5.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 28.
30% chance of snow Tuesday Night Tuesday Night... A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 29.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 11.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 26.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 16.
Partly Sunny on Friday Friday... Partly sunny, with a high near 29.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 6.
30% chance of snow Saturday Saturday... A 30 percent chance of snow. Mostly cloudy, with a high near 16.
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.