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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 1:06 pm CST Dec 9, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
30% chance of rain on This Afternoon 70% chance of rain on Tonight 60% chance of snow on Wednesday 30% chance of snow on Thursday 30% chance of snow on Friday 40% chance of snow on Saturday Sunny on Sunday Partly Sunny on Monday
High: 37°F Low: 28°F High: 25 °F High: 27°F High: 27°F High: 11°F High: 10°F High: 25°F
Low: 16°F Low: 16°F Low: 2°F Low: -7°F Low: -3°F  
Rain Rain Snow Snow Snow Snow Sunny Partly Sunny
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Current Conditions at
MOLINE - (KMLI)
37°
Clear
as of 12:52 PM CST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.66 in.
Flight Rule: VFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
37°
Mostly Clear
as of 12:52 PM CST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
3 MPH
180° South
Cloud Level(s): Few at 8000ft, Few at 10000ft
Current Conditions at
CLINTON - (KCWI)
34°
Feels like 26°F
Mostly Cloudy
as of 12:56 PM CST
Rel. Humidity: 86%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.67 in.
Flight Rule: VFR
Wind Data
9 MPH
260° West
Cloud Level(s): Scattered at 8000ft, Broken at 11000ft
Current Conditions at
STERLING ROCK - (KSQI)
34°
Clear
as of 12:56 PM CST
Rel. Humidity: 86%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.68 in.
Flight Rule: VFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Clear
30% chance of rain This Afternoon This Afternoon... A 30 percent chance of rain after 5pm. Mostly cloudy, with a high near 37. South wind around 10 mph, with gusts as high as 25 mph.

70% chance of rain Tonight Tonight... Rain likely, mainly before 10pm, then a chance of showers after 1am. Cloudy, with a low around 28. Breezy, with a south wind 15 to 20 mph becoming west 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%.

60% chance of snow Wednesday Wednesday... Snow showers likely, mainly before 9am. Mostly cloudy, with a temperature falling to around 25 by 5pm. Windy, with a northwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 16. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

30% chance of snow Thursday Thursday... A 30 percent chance of snow after noon. Mostly cloudy, with a high near 27.

40% chance of snow Thursday Night Thursday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 16.

30% chance of snow Friday Friday... A 30 percent chance of snow. Mostly cloudy, with a high near 27.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 2.

40% chance of snow Saturday Saturday... A 40 percent chance of snow. Mostly cloudy, with a high near 11.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around -7.

Sunny on Sunday Sunday... Sunny and cold, with a high near 10.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around -3.

Partly Sunny on Monday Monday... Partly sunny, with a high near 25.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:16 AM
Sunset: 4:31 PM
Civil Sunrise:06:45 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:10 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:37 AM
Astro Sunset: 6:11 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.