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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Click for Hazardous Weather Outlook for Dayton, Illinois
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 3:16 am CST Dec 24, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Christmas Day Friday Saturday Sunday Monday Tuesday
Mostly Cloudy on Overnight Cloudy on Wednesday Morning Fog on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday Partly Sunny on Sunday Sunny on Monday Partly Sunny on Tuesday
Low: 27°F High: 45°F High: 45°F High: 51°F High: 55°F High: 38°F High: 21°F High: 29°F
Low: 39°F Low: 39°F Low: 36°F Low: 30°F Low: 10°F Low: 11°F  
Mostly Cloudy Cloudy Morning Fog Partly Sunny Mostly Cloudy Partly Sunny Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
27°
Clear
as of 2:52 AM CST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 7 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
3 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
30°
Clear
as of 2:52 AM CST
Rel. Humidity: 86%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
6 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
28°
Clear
as of 2:56 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
5 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
28°
Clear
as of 2:56 AM CST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
7 MPH
090° East
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 27. East wind around 5 mph.
Cloudy on Wednesday Wednesday... Patchy drizzle after noon. Cloudy, with a high near 45. Southeast wind 5 to 10 mph.
Patchy Fog on Wednesday Night Wednesday Night... Areas of drizzle before 11pm. Patchy fog after midnight. Otherwise, cloudy, with a low around 39. Calm wind becoming north around 5 mph after midnight.
Morning Fog on Christmas Day Christmas Day... Patchy fog before 9am. Otherwise, cloudy, with a high near 45. East wind 5 to 10 mph.
50% chance of rain Thursday Night Thursday Night... A 50 percent chance of rain. Cloudy, with a low around 39.
Partly Sunny on Friday Friday... Partly sunny, with a high near 51.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 36.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 55.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 30.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 38. Breezy.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 10. Blustery.
Sunny on Monday Monday... Sunny, with a high near 21.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 11.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 29.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:26 AM
Sunset: 4:36 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:08 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 5:43 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:16 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.