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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 3:41 am CST Nov 21, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Saturday Sunday Monday Tuesday Wednesday Thanksgiving Day
30% chance of rain on Today Clearing on Tonight Sunny on Saturday Sunny on Sunday 50% chance of rain on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thanksgiving Day
High: 48°F Low: 29°F High: 55°F High: 58°F High: 57°F High: 57°F High: 42°F High: 37°F
Low: 35°F Low: 41°F Low: 45°F Low: 31°F Low: 23°F  
Rain Clearing Sunny Sunny Rain Partly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
MOLINE - (KMLI)
45°
Clear
as of 4:52 AM CST
Rel. Humidity: 81%
Dew Point: 39°F
Visibility: 9 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
43°
Cloudy
as of 4:52 AM CST
Rel. Humidity: 86%
Dew Point: 39°F
Visibility: 7 Miles
Pressure: 30.07 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 1800ft
Current Conditions at
CLINTON - (KCWI)
39°
Partly Cloudy
as of 4:56 AM CST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 8 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
6 MPH
350° North
Cloud Level(s): Scattered at 2000ft
Current Conditions at
STERLING ROCK - (KSQI)
43°
Clear
Mist
as of 4:56 AM CST
Rel. Humidity: 100%
Dew Point: 43°F
Visibility: 6 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
30% chance of rain Today Today... A 30 percent chance of rain, mainly between 3pm and 5pm. Cloudy, with a high near 48. Northeast wind 5 to 10 mph.
Clearing on Tonight Tonight... Cloudy during the early evening, then gradual clearing, with a low around 29. North wind around 5 mph becoming calm after midnight.
Sunny on Saturday Saturday... Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 35. West wind around 5 mph.
Sunny on Sunday Sunday... Sunny, with a high near 58.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 41.
50% chance of rain Monday Monday... A 50 percent chance of rain after noon. Mostly cloudy, with a high near 57.
80% chance of rain Monday Night Monday Night... Rain. Low around 45. Chance of precipitation is 80%.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 57.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 42.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 23.
Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 37.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 06:58 AM
Sunset: 4:37 PM
Civil Sunrise:06:28 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 05:54 AM
Nautical Sunset: 5:41 PM
Astro Sunrise: 05:21 AM
Astro Sunset: 6:14 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.