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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : LaSalle County
Issued: 9:16 pm CST Dec 14, 2025 Latitude: 41.3847551 Longitude: -88.7942425 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Blowing Snow on Tonight Blowing Snow on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Rain on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday
Low: 2 °F High: 25°F High: 36°F High: 38°F High: 47°F High: 27°F High: 44°F High: 34°F
Low: 16°F Low: 29°F Low: 32°F Low: 11°F Low: 22°F Low: 25°F  
Blowing Snow Blowing Snow Mostly Sunny Mostly Sunny Rain Mostly Sunny Mostly Cloudy Mostly Sunny
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Current Conditions at
PERU - (KVYS)
-2°
Clear
as of 9:55 PM CST
Rel. Humidity: 70%
Dew Point: -9°F
Visibility: 10 Miles
Pressure: 30.58 in.
Flight Rule: VFR
Wind Data
7 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
-0°
Clear
as of 9:55 PM CST
Rel. Humidity: 77%
Dew Point: -6°F
Visibility: 10 Miles
Pressure: 30.58 in.
Flight Rule: VFR
Wind Data
5 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
AURORA - (KARR)
-0°
Clear
as of 9:52 PM CST
Rel. Humidity: 70%
Dew Point: -8°F
Visibility: 8 Miles
Pressure: 30.54 in.
Flight Rule: VFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
-9°
Clear
as of 9:55 PM CST
Rel. Humidity: 76%
Dew Point: -15°F
Visibility: 10 Miles
Pressure: 30.60 in.
Flight Rule: VFR
Wind Data
8 MPH
170° South
Cloud Level(s): Clear
Blowing Snow on Tonight Tonight... Patchy blowing snow after 4am. Partly cloudy, with a temperature rising to around 2 by 5am. Wind chill values as low as -18. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Blowing Snow on Monday Monday... Patchy blowing snow before noon. Partly sunny, with a high near 25. Wind chill values as low as -15. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 16. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 36. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 29. South southwest wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 38.
40% chance of rain Wednesday Night Wednesday Night... A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 32. Breezy.
Rain on Thursday Thursday... Showers likely, mainly before noon. Mostly cloudy, with a high near 47. Breezy.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 11. Breezy.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 27.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 44.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 25.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 34.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:14 AM
Sunset: 4:26 PM
Civil Sunrise:06:43 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:34 AM
Astro Sunset: 6:06 PM
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