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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 am CST Jan 2, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

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Today Tonight Saturday Sunday Monday Tuesday Wednesday Thursday
Partly Sunny on Today Cloudy on Tonight Partly Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday 30% chance of rain on Thursday
High: 26°F Low: 20°F High: 31°F High: 34°F High: 47°F High: 48°F High: 48°F High: 51°F
Low: 18°F Low: 30°F Low: 33°F Low: 29°F Low: 35°F  
Partly Sunny Cloudy Partly Sunny Partly Sunny Partly Sunny Mostly Sunny Mostly Sunny Rain
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Current Conditions at
MOLINE - (KMLI)
25°
Cloudy
as of 2:52 AM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
6 MPH
330° Northwest
Cloud Level(s): Solid Overcast at 2400ft
Current Conditions at
DAVENPORT - (KDVN)
23°
Cloudy
as of 2:52 AM CST
Rel. Humidity: 85%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
5 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 2300ft
Current Conditions at
CLINTON - (KCWI)
23°
Feels like 11°F
Cloudy
as of 2:56 AM CST
Rel. Humidity: 79%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
13 MPH
350° North
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
STERLING ROCK - (KSQI)
23°
Cloudy
as of 2:56 AM CST
Rel. Humidity: 79%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
6 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 2500ft
Partly Sunny on Today Today... Partly sunny, with a high near 26. North wind around 5 mph.
Cloudy on Tonight Tonight... Cloudy, with a low around 20. North wind around 5 mph.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 31. Calm wind becoming west around 5 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 18. Northwest wind around 5 mph becoming calm.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 34.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 30.
Partly Sunny on Monday Monday... Partly sunny, with a high near 47.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 33.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 48.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 48.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 35.
30% chance of rain Thursday Thursday... A 30 percent chance of rain. Mostly cloudy, with a high near 51.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:28 AM
Sunset: 4:43 PM
Civil Sunrise:06:57 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:23 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.