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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 5:01 pm CST Jan 23, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Cloudy on Tonight 20% chance of snow on Saturday 40% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday
Low: -8°F High: 6 °F High: 14°F High: 11°F High: 22°F High: 16°F High: 15°F High: 20°F
Low: 4 °F Low: -2°F Low: 6°F Low: 2°F Low: 1°F Low: 2°F  
Cloudy Snow Snow Sunny Mostly Sunny Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
MOLINE - (KMLI)
-4°
Feels like -20°F
Clear
as of 4:52 PM CST
Rel. Humidity: 36%
Dew Point: -24°F
Visibility: 10 Miles
Pressure: 30.77 in.
Flight Rule: VFR
Wind Data
9 MPH
340° North
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
-8°
Feels like -26°F
Clear
as of 4:52 PM CST
Rel. Humidity: 48%
Dew Point: -22°F
Visibility: 10 Miles
Pressure: 30.76 in.
Flight Rule: VFR
Wind Data
12 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
-8°
Feels like -24°F
Clear
as of 4:56 PM CST
Rel. Humidity: 52%
Dew Point: -20°F
Visibility: 10 Miles
Pressure: 30.78 in.
Flight Rule: VFR
Wind Data
9 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
-6°
Clear
as of 4:56 PM CST
Rel. Humidity: 44%
Dew Point: -22°F
Visibility: 10 Miles
Pressure: 30.78 in.
Flight Rule: VFR
Wind Data
8 MPH
340° North
Cloud Level(s): Clear
Cloudy on Tonight Tonight... Partly cloudy, with a low around -8. Wind chill values as low as -20. North wind 5 to 10 mph.

20% chance of snow Saturday Saturday... A 20 percent chance of snow after noon. Mostly cloudy and cold, with a high near 6. Wind chill values as low as -20. Northeast wind around 5 mph.

60% chance of snow Saturday Night Saturday Night... Snow likely, mainly after midnight. Cloudy, with a low around 4. Wind chill values as low as -5. Northeast wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

40% chance of snow Sunday Sunday... A 40 percent chance of snow. Mostly cloudy, with a high near 14. Wind chill values as low as -10. North wind 5 to 10 mph, with gusts as high as 20 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around -2.

Sunny on Monday Monday... Sunny, with a high near 11.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 6.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 22.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 2.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 16.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 1.

Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 15.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 2.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 20.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:20 AM
Sunset: 5:06 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:36 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 6:10 PM
Astro Sunrise: 05:44 AM
Astro Sunset: 6:42 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.