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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : LaSalle County
Issued: 5:16 pm CST Nov 14, 2025 Latitude: 41.3847551 Longitude: -88.7942425 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Increasing Clouds on Tonight Clearing on Saturday Sunny on Sunday 20% chance of rain on Monday 20% chance of rain on Tuesday Partly Sunny on Wednesday 70% chance of rain on Thursday 20% chance of rain on Friday
Low: 57°F High: 70°F High: 50°F High: 49°F High: 45°F High: 48°F High: 52°F High: 52°F
Low: 35°F Low: 30°F Low: 36°F Low: 32°F Low: 38°F Low: 40°F  
Increasing Clouds Clearing Sunny Rain Rain Partly Sunny Rain Rain
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Current Conditions at
PERU - (KVYS)
64°
Clear
as of 5:15 PM CST
Rel. Humidity: 67%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
MORRIS MUNICIPAL AIRPORT - (KC09)
64°
Clear
as of 5:15 PM CST
Rel. Humidity: 72%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
6 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
AURORA - (KARR)
59°
Clear
as of 4:52 PM CST
Rel. Humidity: 77%
Dew Point: 52°F
Visibility: 7 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
3 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
63°
Clear
as of 5:15 PM CST
Rel. Humidity: 67%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
5 MPH
180° South
Cloud Level(s): Clear
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 57. South southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Clearing on Saturday Saturday... Cloudy through mid morning, then gradual clearing, with a high near 70. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 35. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Sunny on Sunday Sunday... Sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 30. West northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.

20% chance of rain Monday Monday... A 20 percent chance of rain after noon. Partly sunny, with a high near 49.

60% chance of rain Monday Night Monday Night... Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

20% chance of rain Tuesday Tuesday... A chance of rain before noon. Partly sunny, with a high near 45.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 48.

20% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 38.

70% chance of rain Thursday Thursday... Rain likely. Mostly cloudy, with a high near 52.

20% chance of rain Thursday Night Thursday Night... A chance of rain. Mostly cloudy, with a low around 40.

20% chance of rain Friday Friday... A chance of rain. Partly sunny, with a high near 52.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 06:43 AM
Sunset: 4:36 PM
Civil Sunrise:06:13 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:40 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:07 AM
Astro Sunset: 6:12 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.