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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : LaSalle County
Issued: 2:36 pm CST Nov 25, 2025 Latitude: 41.3847551 Longitude: -88.7942425 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thanksgiving Day Friday Saturday Sunday Monday
Cloudy on This Afternoon 60% chance of rain on Tonight 20% chance of snow on Wednesday Mostly Sunny on Thanksgiving Day Mostly Sunny on Friday Snow on Saturday Mostly Cloudy on Sunday Partly Sunny on Monday
High: 53°F Low: 33°F High: 35°F High: 33°F High: 31°F High: 32°F High: 27°F High: 20°F
Low: 24°F Low: 20°F Low: 23°F Low: 27°F Low: 7°F  
Cloudy Rain Snow Mostly Sunny Mostly Sunny Snow Mostly Cloudy Partly Sunny
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Current Conditions at
PERU - (KVYS)
52°
Cloudy
Mist
as of 2:35 PM CST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 5 Miles
Pressure: 29.78 in.
Flight Rule: MVFR
Wind Data
7 MPH
240° Southwest
Cloud Level(s): Scattered at 600ft, Solid Overcast at 1300ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
52°
Cloudy
as of 2:35 PM CST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: MVFR
Wind Data
8 MPH
260° West
Cloud Level(s): Broken at 1200ft, Solid Overcast at 1700ft
Current Conditions at
AURORA - (KARR)
52°
Cloudy
as of 1:52 PM CST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 7 Miles
Pressure: 29.75 in.
Flight Rule: MVFR
Wind Data
8 MPH
270° West
Cloud Level(s): Solid Overcast at 1000ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
52°
Cloudy
as of 2:35 PM CST
Rel. Humidity: 93%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: MVFR
Wind Data
10 MPH
270° West
Cloud Level(s): Solid Overcast at 1100ft
Cloudy on This Afternoon This Afternoon... Cloudy, with a high near 53. Southwest wind around 5 mph, with gusts as high as 15 mph.

60% chance of rain Tonight Tonight... Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 33. Windy, with a west southwest wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

20% chance of snow Wednesday Wednesday... A 20 percent chance of snow. Mostly cloudy, with a high near 35. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 24. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 40 mph.

Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 33. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 20.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 31.

Snow on Friday Night Friday Night... Snow likely after midnight. Mostly cloudy, with a low around 23.

Snow on Saturday Saturday... Snow. Cloudy, with a high near 32.

Snow on Saturday Night Saturday Night... Snow likely, mainly before midnight. Cloudy, with a low around 27.

Mostly Cloudy on Sunday Sunday... Mostly cloudy, with a high near 27.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 7.

Partly Sunny on Monday Monday... Partly sunny, with a high near 20.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 06:56 AM
Sunset: 4:29 PM
Civil Sunrise:06:25 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 05:51 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:18 AM
Astro Sunset: 6:06 PM
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