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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : LaSalle County
Issued: 5:21 pm CST Nov 17, 2025 Latitude: 41.3847551 Longitude: -88.7942425 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
80% chance of rain on Tonight 60% chance of rain on Tuesday Cloudy on Wednesday 40% chance of rain on Thursday 20% chance of rain on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday
Low: 39°F High: 44°F High: 48°F High: 57°F High: 50°F High: 49°F High: 52°F High: 53°F
Low: 39°F Low: 39°F Low: 40°F Low: 33°F Low: 34°F Low: 38°F  
Rain Rain Cloudy Rain Rain Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
PERU - (KVYS)
45°
Clear
as of 7:15 PM CST
Rel. Humidity: 42%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
8 MPH
110° East
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
43°
Partly Cloudy
as of 7:15 PM CST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
3 MPH
120° Southeast
Cloud Level(s): Scattered at 11000ft
Current Conditions at
AURORA - (KARR)
37°
Clear
as of 6:52 PM CST
Rel. Humidity: 64%
Dew Point: 27°F
Visibility: 8 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
43°
Feels like 37°F
Clear
as of 7:15 PM CST
Rel. Humidity: 41%
Dew Point: 21°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
9 MPH
110° East
Cloud Level(s): Clear
80% chance of rain Tonight Tonight... Rain, mainly after 9pm. Low around 39. East southeast wind 5 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

60% chance of rain Tuesday Tuesday... Occasional drizzle with rain likely. Cloudy, with a high near 44. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Cloudy on Tuesday Night Tuesday Night... Cloudy, with a low around 39. Northeast wind 5 to 10 mph.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 48. East northeast wind around 5 mph becoming calm in the afternoon.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 39. Calm wind.

40% chance of rain Thursday Thursday... A 40 percent chance of rain. Mostly cloudy, with a high near 57.

40% chance of rain Thursday Night Thursday Night... A 40 percent chance of rain. Mostly cloudy, with a low around 40.

20% chance of rain Friday Friday... A chance of rain. Mostly cloudy, with a high near 50.

20% chance of rain Friday Night Friday Night... A chance of rain before midnight. Mostly cloudy, with a low around 33.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 49.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 34.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 52.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 38.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 53.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 06:47 AM
Sunset: 4:34 PM
Civil Sunrise:06:17 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 05:43 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 6:10 PM
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