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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : LaSalle County
Issued: 3:10 am CST Nov 23, 2025 Latitude: 41.3847551 Longitude: -88.7942425 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thanksgiving Day Friday Saturday
Sunny on Today Cloudy on Tonight 20% chance of rain on Monday 30% chance of rain on Tuesday Partly Sunny on Wednesday Mostly Sunny on Thanksgiving Day Partly Sunny on Friday 20% chance of rain & snow on Saturday
High: 54°F Low: 34°F High: 52°F High: 56°F High: 39°F High: 34°F High: 34°F High: 37°F
Low: 46°F Low: 34°F Low: 23°F Low: 20°F Low: 24°F  
Sunny Cloudy Rain Rain Partly Sunny Mostly Sunny Partly Sunny Rain & Snow
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Current Conditions at
PERU - (KVYS)
39°
Clear
as of 4:15 AM CST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
8 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
37°
Feels like 30°F
Clear
as of 4:35 AM CST
Rel. Humidity: 100%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.09 in.
Flight Rule: VFR
Wind Data
9 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
AURORA - (KARR)
32°
Clear
Mist
as of 3:52 AM CST
Rel. Humidity: 100%
Dew Point: 32°F
Visibility: 5 Miles
Pressure: 30.07 in.
Flight Rule: MVFR
Wind Data
7 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
39°
Clear
as of 4:15 AM CST
Rel. Humidity: 93%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
8 MPH
320° Northwest
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 54. West wind around 5 mph becoming south southwest in the afternoon.

Cloudy on Tonight Tonight... Partly cloudy, with a low around 34. South wind around 5 mph.

20% chance of rain Monday Monday... A 20 percent chance of rain after noon. Mostly cloudy, with a high near 52. South wind 5 to 10 mph, with gusts as high as 15 mph.

80% chance of rain Monday Night Monday Night... Rain. Low around 46. South wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

30% chance of rain Tuesday Tuesday... A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 56. South wind 5 to 10 mph becoming west southwest in the morning.

20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 34.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 39. Breezy.

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 34.

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

Partly Sunny on Friday Friday... Partly sunny, with a high near 34.

20% chance of snow Friday Night Friday Night... A chance of snow. Mostly cloudy, with a low around 24.

20% chance of rain & snow Saturday Saturday... A chance of rain and snow. Mostly cloudy, with a high near 37.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 06:54 AM
Sunset: 4:30 PM
Civil Sunrise:06:23 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 5:34 PM
Astro Sunrise: 05:16 AM
Astro Sunset: 6:07 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.