url:
Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Dayton, Illinois : LaSalle County
Issued: 1:46 am CST Dec 1, 2025 Latitude: 41.3847551 Longitude: -88.7942425 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Patchy Fog on Overnight 100% chance of snow on Monday Partly Sunny on Tuesday 40% chance of snow on Wednesday Sunny on Thursday Partly Sunny on Friday Mostly Cloudy on Saturday Mostly Cloudy on Sunday
Low: 11°F High: 27°F High: 23°F High: 32°F High: 9°F High: 24°F High: 29°F High: 27°F
Low: 15°F Low: 17°F Low: -2°F Low: -6°F Low: 15°F Low: 17°F  
Patchy Fog Snow Partly Sunny Snow Sunny Partly Sunny Mostly Cloudy Mostly Cloudy
-
Current Conditions at
PERU - (KVYS)
21°
Clear
as of 1:35 AM CST
Rel. Humidity: 92%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.47 in.
Flight Rule: VFR
Wind Data
3 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
14°
Clear
Mist
as of 1:35 AM CST
Rel. Humidity: 100%
Dew Point: 14°F
Visibility: 5 Miles
Pressure: 30.47 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
AURORA - (KARR)
Cloudy
Freezing Fog
as of 1:27 AM CST
Rel. Humidity: 92%
Dew Point: 3°F
Visibility: 1/4 Miles
Pressure: 30.45 in.
Flight Rule: IFR
Wind Data
Calm
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
18°
Clear
as of 1:35 AM CST
Rel. Humidity: 92%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.48 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Patchy Fog on Overnight Overnight... Patchy fog. Otherwise, mostly cloudy, with a low around 11. Calm wind.

100% chance of snow Monday Monday... Snow, mainly after 11am. High near 27. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

100% chance of snow Monday Night Monday Night... Snow, mainly before 11pm. Low around 15. Calm wind becoming west northwest around 5 mph in the evening. Winds could gust as high as 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 23. West northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 17. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

40% chance of snow Wednesday Wednesday... A 40 percent chance of snow after noon. Cloudy, with a high near 32.

20% chance of snow Wednesday Night Wednesday Night... A 20 percent chance of snow before midnight. Mostly cloudy, with a low around -2.

Sunny on Thursday Thursday... Sunny and cold, with a high near 9.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around -6.

Partly Sunny on Friday Friday... Partly sunny, with a high near 24.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 15.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 29.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 17.

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

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:02 AM
Sunset: 4:26 PM
Civil Sunrise:06:32 AM
Civil Sunset: 4:57 PM
Nautical Sunrise: 05:57 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:24 AM
Astro Sunset: 6:05 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.