Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 12:31 pm CDT Sep 17, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Thursday Friday Saturday Sunday Monday Tuesday
Sunny on This Afternoon 30% chance of thunderstorms on Tonight 20% chance of thunderstorms on Thursday Partly Sunny on Friday 30% chance of rain on Saturday Partly Sunny on Sunday 30% chance of thunderstorms on Monday Mostly Sunny on Tuesday
High: 88°F Low: 61°F High: 90°F High: 85°F High: 86°F High: 84°F High: 85°F High: 82°F
Low: 63°F Low: 62°F Low: 63°F Low: 63°F Low: 61°F  
Sunny Thunderstorms Thunderstorms Partly Sunny Rain Partly Sunny Thunderstorms Mostly Sunny
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Current Conditions at
MOLINE - (KMLI)
86°
Clear
as of 1:52 PM CDST
Rel. Humidity: 40%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
9 MPH
060° Northeast
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
88°
Clear
as of 1:52 PM CDST
Rel. Humidity: 38%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
84°
Clear
as of 1:56 PM CDST
Rel. Humidity: 45%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
88°
Clear
as of 1:56 PM CDST
Rel. Humidity: 35%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 88. East wind around 5 mph.
30% chance of thunderstorms Tonight Tonight... Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
20% chance of thunderstorms Thursday Thursday... Isolated showers and thunderstorms between 8am and 11am. Mostly sunny, with a high near 90. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 63. East wind around 5 mph.
Partly Sunny on Friday Friday... Partly sunny, with a high near 85.
40% chance of rain Friday Night Friday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 62.
30% chance of rain Saturday Saturday... A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 86.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of showers. Partly cloudy, with a low around 63.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 84.
40% chance of rain Sunday Night Sunday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 63.
30% chance of thunderstorms Monday Monday... A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
40% chance of rain Monday Night Monday Night... A 40 percent chance of showers. Partly cloudy, with a low around 61.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 82.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 06:44 AM
Sunset: 7:07 PM
Civil Sunrise:06:17 AM
Civil Sunset: 7:35 PM
Nautical Sunrise: 05:44 AM
Nautical Sunset: 8:07 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 8:41 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.