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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 6:26 am CST Nov 25, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thanksgiving Day Friday Saturday Sunday Monday
30% chance of rain on Today 60% chance of rain & snow on Tonight Mostly Sunny on Wednesday Sunny on Thanksgiving Day Mostly Sunny on Friday 70% chance of snow on Saturday 30% chance of rain & snow on Sunday Partly Sunny on Monday
High: 54°F Low: 31°F High: 38°F High: 35°F High: 33°F High: 33°F High: 36°F High: 31°F
Low: 23°F Low: 18°F Low: 24°F Low: 22°F Low: 19°F  
Rain Rain & Snow Mostly Sunny Sunny Mostly Sunny Snow Rain & Snow Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
48°
Cloudy
Mist
as of 8:17 AM CST
Rel. Humidity: 100%
Dew Point: 48°F
Visibility: 3 Miles
Pressure: 29.79 in.
Flight Rule: LIFR
Wind Data
5 MPH
290° West
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
DAVENPORT - (KDVN)
46°
Cloudy
Mist
as of 8:31 AM CST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 2 Miles
Flight Rule: LIFR
Wind Data
6 MPH
270° West
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
CLINTON - (KCWI)
46°
Cloudy
Fog
as of 8:34 AM CST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 1/2 Miles
Pressure: 29.81 in.
Flight Rule: LIFR
Wind Data
3 MPH
240° Southwest
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
STERLING ROCK - (KSQI)
46°
Cloudy
Fog
as of 7:56 AM CST
Rel. Humidity: 100%
Dew Point: 46°F
Visibility: 1/4 Miles
Pressure: 29.80 in.
Flight Rule: LIFR
Wind Data
3 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 300ft
30% chance of rain Today Today... A 30 percent chance of rain after 5pm. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 54. Light southwest wind increasing to 5 to 10 mph in the afternoon.

60% chance of rain & snow Tonight Tonight... Rain likely before midnight, then a slight chance of snow after 3am. Increasing clouds, with a low around 31. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Mostly Sunny on Wednesday Wednesday... Cloudy, then gradually becoming mostly sunny, with a high near 38. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Sunny on Thanksgiving Day Thanksgiving Day... Sunny, with a high near 35.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 18.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 33.

70% chance of snow Friday Night Friday Night... Snow likely, mainly after midnight. Cloudy, with a low around 24. Chance of precipitation is 70%.

70% chance of snow Saturday Saturday... Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 70%.

50% chance of snow Saturday Night Saturday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 22.

30% chance of rain & snow Sunday Sunday... A chance of rain and snow. Partly sunny, with a high near 36. Chance of precipitation is 30%.

40% chance of snow Sunday Night Sunday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 19.

Partly Sunny on Monday Monday... Partly sunny, with a high near 31.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:02 AM
Sunset: 4:35 PM
Civil Sunrise:06:32 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:25 AM
Astro Sunset: 6:12 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.