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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: 1:26 pm CST Nov 9, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Veterans Day Wednesday Thursday Friday Saturday
Flurries on This Afternoon 40% chance of snow on Tonight Mostly Sunny on Monday Partly Sunny on Veterans Day Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday
High: 34°F Low: 22°F High: 36°F High: 49°F High: 54°F High: 58°F High: 64°F High: 68°F
Low: 23°F Low: 36°F Low: 32°F Low: 38°F Low: 50°F  
Flurries Snow Mostly Sunny Partly Sunny Sunny Mostly Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
MOLINE - (KMLI)
32°
Feels like 21°F
Mostly Cloudy
as of 12:52 PM CST
Rel. Humidity: 50%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
16 MPH
Gust: 28 MPH
310° Northwest
Cloud Level(s): Broken at 4600ft, Broken at 5000ft
Current Conditions at
DAVENPORT - (KDVN)
32°
Feels like 21°F
Mostly Cloudy
as of 12:52 PM CST
Rel. Humidity: 59%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
15 MPH
Gust: 25 MPH
310° Northwest
Cloud Level(s): Broken at 4100ft
Current Conditions at
CLINTON - (KCWI)
30°
Feels like 18°F
Cloudy
as of 12:56 PM CST
Rel. Humidity: 63%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 26 MPH
320° Northwest
Cloud Level(s): Solid Overcast at 4100ft
Flurries on This Afternoon This Afternoon... Scattered flurries after 4pm. Mostly sunny early, then becoming cloudy, with a high near 34. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
40% chance of snow Tonight Tonight... Scattered snow showers before 1am, then scattered flurries between 1am and 2am. Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Increasing Clouds on Monday Night Monday Night... Increasing clouds, with a low around 23. West wind 5 to 10 mph becoming south after midnight.
Partly Sunny on Veterans Day Veterans Day... Partly sunny, with a high near 49.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 36.
Sunny on Wednesday Wednesday... Sunny, with a high near 54.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 32.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 58.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 38.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 64.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 50.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 68.
Sun Almanac for Dayton, Illinois
Sunrise: 06:43 AM
Sunset: 4:47 PM
Civil Sunrise:06:14 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 05:41 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:08 AM
Astro Sunset: 6:22 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.