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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : LaSalle County
Issued: 2:13 am CST Nov 26, 2025 Latitude: 41.3847551 Longitude: -88.7942425 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thanksgiving Day Friday Saturday Sunday Monday Tuesday
Cloudy on Overnight 20% chance of snow on Wednesday Mostly Sunny on Thanksgiving Day Sunny on Friday Snow on Saturday 20% chance of snow on Sunday 20% chance of snow on Monday Mostly Sunny on Tuesday
Low: 32°F High: 35°F High: 33°F High: 32°F High: 32°F High: 30°F High: 19°F High: 20°F
Low: 24°F Low: 20°F Low: 24°F Low: 28°F Low: 8°F Low: 7°F  
Cloudy Snow Mostly Sunny Sunny Snow Snow Snow Mostly Sunny
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Current Conditions at
PERU - (KVYS)
37°
Feels like 26°F
Cloudy
as of 1:55 AM CST
Rel. Humidity: 69%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.80 in.
Flight Rule: VFR
Wind Data
21 MPH
Gust: 32 MPH
250° West
Cloud Level(s): Solid Overcast at 3200ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
37°
Feels like 26°F
Cloudy
as of 1:55 AM CST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 36 MPH
270° West
Cloud Level(s): Solid Overcast at 3100ft
Current Conditions at
AURORA - (KARR)
36°
Feels like 23°F
Cloudy
as of 1:52 AM CST
Rel. Humidity: 74%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.74 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 40 MPH
260° West
Cloud Level(s): Few at 2200ft, Solid Overcast at 3200ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
37°
Feels like 26°F
Cloudy
as of 1:55 AM CST
Rel. Humidity: 69%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.84 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 36 MPH
260° West
Cloud Level(s): Solid Overcast at 3600ft
Cloudy on Overnight Overnight... Cloudy, with a low around 32. Windy, with a west southwest wind around 30 mph, with gusts as high as 45 mph.
20% chance of snow Wednesday Wednesday... Isolated snow showers before 4pm, then isolated flurries after 4pm. Cloudy, with a high near 35. Windy, with a west wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 20%.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 24. Blustery, with a west northwest wind 15 to 25 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. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny on Friday Friday... Sunny, with a high near 32.
90% chance of snow Friday Night Friday Night... Snow, mainly after midnight. Low around 24. Chance of precipitation is 90%.
Snow on Saturday Saturday... Snow. Cloudy, with a high near 32.
Rain and Snow on Saturday Night Saturday Night... Snow, possibly mixed with rain, becoming all snow after midnight. Cloudy, with a low around 28.
20% chance of snow Sunday Sunday... A chance of snow before noon. Mostly cloudy, with a high near 30.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 8.
20% chance of snow Monday Monday... A chance of snow. Partly sunny, with a high near 19.
20% chance of snow Monday Night Monday Night... A chance of snow. Mostly cloudy, with a low around 7.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 20.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 06:57 AM
Sunset: 4:28 PM
Civil Sunrise:06:27 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 05:52 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:19 AM
Astro Sunset: 6:06 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.