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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: 4:11 pm CST Nov 23, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thanksgiving Day Friday Saturday
Sunny on This Afternoon Morning Fog on Tonight 40% chance of rain on Monday 30% chance of rain on Tuesday Partly Sunny on Wednesday Sunny on Thanksgiving Day Partly Sunny on Friday 50% chance of rain & snow on Saturday
High: 56°F Low: 38°F High: 53°F High: 58°F High: 38°F High: 36°F High: 35°F High: 36°F
Low: 46°F Low: 32°F Low: 22°F Low: 19°F Low: 23°F  
Sunny Morning Fog Rain Rain Partly Sunny Sunny Partly Sunny Rain & Snow
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Current Conditions at
MOLINE - (KMLI)
55°
Clear
as of 3:52 PM CST
Rel. Humidity: 37%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
070° East
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
54°
Clear
as of 3:52 PM CST
Rel. Humidity: 46%
Dew Point: 34°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
5 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
54°
Clear
as of 3:56 PM CST
Rel. Humidity: 43%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
5 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
52°
Clear
as of 3:56 PM CST
Rel. Humidity: 50%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 56. South wind around 5 mph.
Morning Fog on Tonight Tonight... Patchy fog between 2am and 3am. Otherwise, increasing clouds, with a low around 38. South wind around 5 mph.
40% chance of rain Monday Monday... A 40 percent chance of rain, mainly after 3pm. Cloudy, with a high near 53. South wind 5 to 10 mph.
70% chance of rain Monday Night Monday Night... Rain likely. Cloudy, with a low around 46. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%.
30% chance of rain Tuesday Tuesday... A 30 percent chance of rain after noon. Mostly cloudy, with a high near 58.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32. Breezy.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 38. Breezy.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 22.
Sunny on Thanksgiving Day Thanksgiving Day... Sunny, with a high near 36.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 19.
Partly Sunny on Friday Friday... Partly sunny, with a high near 35.
40% chance of snow Friday Night Friday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 23.
50% chance of rain & snow Saturday Saturday... A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:00 AM
Sunset: 4:36 PM
Civil Sunrise:06:30 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:56 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:23 AM
Astro Sunset: 6:13 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.