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

No Watches or Warnings for Dayton
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: 12:17 am CDT Oct 21, 2025 Latitude: 41.3847551 Longitude: -88.7942425 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
20% chance of rain on Overnight 30% chance of rain on Tuesday Mostly Sunny on Wednesday Sunny on Thursday Mostly Sunny on Friday 20% chance of  on Saturday Partly Sunny on Sunday 20% chance of  on Monday
Low: 45°F High: 56°F High: 55°F High: 58°F High: 61°F High: 60°F High: 63°F High: 67°F
Low: 42°F Low: 36°F Low: 34°F Low: 43°F Low: 47°F Low: 50°F  
Rain Rain Mostly Sunny Sunny Mostly Sunny Partly Sunny Partly Sunny Partly Sunny
-
Current Conditions at
PERU - (KVYS)
50°
Partly Cloudy
as of 12:35 AM CDST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
7 MPH
250° West
Cloud Level(s): Scattered at 4300ft
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
52°
Clear
as of 12:35 AM CDST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 29.76 in.
Flight Rule: VFR
Wind Data
13 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
AURORA - (KARR)
52°
Cloudy
as of 11:52 PM CDST
Rel. Humidity: 87%
Dew Point: 48°F
Visibility: 9 Miles
Pressure: 29.72 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 28 MPH
300° Northwest
Cloud Level(s): Scattered at 6500ft, Solid Overcast at 9000ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
52°
Clear
as of 12:35 AM CDST
Rel. Humidity: 81%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
10 MPH
280° West
Cloud Level(s): Clear
20% chance of rain Overnight Overnight... A 20 percent chance of showers before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West wind 10 to 15 mph, with gusts as high as 25 mph.

30% chance of rain Tuesday Tuesday... A 30 percent chance of showers, mainly between 3pm and 5pm. Increasing clouds, with a high near 56. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 42. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 55. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 36. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

Sunny on Thursday Thursday... Sunny, with a high near 58.

Mostly Clear on Thursday Night Thursday Night... Patchy frost after 3am. Otherwise, mostly clear, with a low around 34.

Mostly Sunny on Friday Friday... Areas of frost before 9am. Otherwise, mostly sunny, with a high near 61.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 43.

20% chance of  Saturday Saturday... A chance of showers after 1pm. Partly sunny, with a high near 60.

20% chance of rain Saturday Night Saturday Night... A chance of showers. Mostly cloudy, with a low around 47.

Partly Sunny on Sunday Sunday... Partly sunny, with a high near 63.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 50.

20% chance of  Monday Monday... A chance of showers. Partly sunny, with a high near 67.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:14 AM
Sunset: 6:05 PM
Civil Sunrise:06:46 AM
Civil Sunset: 6:33 PM
Nautical Sunrise: 06:14 AM
Nautical Sunset: 7:05 PM
Astro Sunrise: 05:42 AM
Astro Sunset: 7:37 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.