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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : LaSalle County
Issued: 4:31 pm CST Nov 7, 2025 Latitude: 41.3847551 Longitude: -88.7942425 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Veterans Day Wednesday Thursday Friday
Cloudy on Tonight 90% chance of rain on Saturday 20% chance of snow on Sunday Sunny on Monday Partly Sunny on Veterans Day Sunny on Wednesday Sunny on Thursday Mostly Sunny on Friday
Low: 40°F High: 48°F High: 36°F High: 37°F High: 48°F High: 53°F High: 52°F High: 57°F
Low: 30°F Low: 23°F Low: 24°F Low: 36°F Low: 32°F Low: 34°F  
Cloudy Rain Snow Sunny Partly Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
PERU - (KVYS)
63°
Clear
as of 4:15 PM CST
Rel. Humidity: 45%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 29.61 in.
Flight Rule: VFR
Wind Data
10 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
63°
Clear
as of 4:15 PM CST
Rel. Humidity: 51%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.59 in.
Flight Rule: VFR
Wind Data
9 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
AURORA - (KARR)
61°
Clear
as of 3:52 PM CST
Rel. Humidity: 51%
Dew Point: 43°F
Visibility: 8 Miles
Pressure: 29.58 in.
Flight Rule: VFR
Wind Data
9 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
61°
Clear
as of 4:15 PM CST
Rel. Humidity: 55%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 29.62 in.
Flight Rule: VFR
Wind Data
10 MPH
260° West
Cloud Level(s): Clear
Cloudy on Tonight Tonight... Partly cloudy, with a low around 40. West wind 5 to 10 mph becoming north northeast after midnight.

90% chance of rain Saturday Saturday... Rain, mainly after 9am. High near 48. Northeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

100% chance of rain & snow Saturday Night Saturday Night... Rain, possibly mixed with snow before 3am, then a slight chance of snow. Low around 30. North northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

20% chance of snow Sunday Sunday... A slight chance of snow before noon, then a slight chance of snow showers after noon. Mostly sunny, with a high near 36. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

20% chance of snow Sunday Night Sunday Night... A 20 percent chance of snow showers. Partly cloudy, with a low around 23. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Sunny on Monday Monday... Sunny, with a high near 37.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 24.

Partly Sunny on Veterans Day Veterans Day... Partly sunny, with a high near 48.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 36.

Sunny on Wednesday Wednesday... Sunny, with a high near 53.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 32.

Sunny on Thursday Thursday... Sunny, with a high near 52.

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

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 57.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 06:35 AM
Sunset: 4:43 PM
Civil Sunrise:06:05 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 5:45 PM
Astro Sunrise: 05:00 AM
Astro Sunset: 6:18 PM
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