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Oswego, Illinois Weather Forecast
Oswego, Illinois Weather
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Weather Forecast for Oswego, Illinois : Kendall County
Issued: 6:06 am CST Dec 7, 2025 Latitude: 41.6828074 Longitude: -88.3514596 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
70% chance of snow on Today 30% chance of snow on Tonight Partly Sunny on Monday Mostly Cloudy on Tuesday 40% chance of rain & snow on Wednesday 20% chance of snow on Thursday Partly Sunny on Friday Partly Sunny on Saturday
High: 17 °F Low: 7 °F High: 22°F High: 37°F High: 35°F High: 26°F High: 16°F High: 11°F
Low: 13°F Low: 33°F Low: 18°F Low: 8°F Low: -1°F  
Snow Snow Partly Sunny Mostly Cloudy Rain & Snow Snow Partly Sunny Partly Sunny
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Current Conditions at
AURORA - (KARR)
28°
Cloudy
Light Snow Mist
as of 6:34 AM CST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 1 1/4 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
8 MPH
020° North
Cloud Level(s): Broken at 2200ft, Solid Overcast at 3900ft
Current Conditions at
ROMEOVILLE WFO - (KLOT)
30°
Feels like 21°F
Cloudy
Light Snow Mist
as of 5:45 AM CST
Rel. Humidity: 92%
Dew Point: 28°F
Visibility: 2 1/2 Miles
Pressure: 30.00 in.
Flight Rule: IFR
Wind Data
9 MPH
040° Northeast
Cloud Level(s): Few at 600ft, Solid Overcast at 2300ft
Current Conditions at
JOLIET - (KJOT)
32°
Cloudy
Light Snow
as of 6:35 AM CST
Rel. Humidity: 100%
Dew Point: 32°F
Visibility: 3 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
6 MPH
020° North
Cloud Level(s): Scattered at 700ft, Solid Overcast at 2400ft
Current Conditions at
WEST CHICAGO - (KDPA)
27°
Cloudy
Snow
as of 6:41 AM CST
Rel. Humidity: 100%
Dew Point: 27°F
Visibility: 1/2 Miles
Pressure: 30.02 in.
Flight Rule: IFR
Wind Data
8 MPH
350° North
70% chance of snow Today Today... Snow likely, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 17 by 5pm. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
30% chance of snow Tonight Tonight... A chance of snow showers between 8pm and midnight. Mostly cloudy, with a low around 7. Wind chill values as low as -2. North wind 5 to 10 mph becoming light north northeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Partly Sunny on Monday Monday... Partly sunny, with a high near 22. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 13. Wind chill values as low as 1. South wind 5 to 15 mph, with gusts as high as 25 mph.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 37. Southwest wind around 15 mph, with gusts as high as 25 mph.
90% chance of rain Tuesday Night Tuesday Night... Rain. Low around 33. Breezy. Chance of precipitation is 90%.
40% chance of rain & snow Wednesday Wednesday... A chance of rain and snow showers before noon, then a slight chance of snow showers. Mostly cloudy, with a high near 35. Breezy. Chance of precipitation is 40%.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 18.
20% chance of snow Thursday Thursday... A chance of snow after noon. Mostly cloudy, with a high near 26.
20% chance of snow Thursday Night Thursday Night... A chance of snow before midnight. Mostly cloudy, with a low around 8.
Partly Sunny on Friday Friday... Partly sunny, with a high near 16.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around -1.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 11.
Current Radar Image


Sun Almanac for Oswego, Illinois
Sunrise: 07:07 AM
Sunset: 4:23 PM
Civil Sunrise:06:36 AM
Civil Sunset: 4:54 PM
Nautical Sunrise: 06:01 AM
Nautical Sunset: 5:29 PM
Astro Sunrise: 05:28 AM
Astro Sunset: 6:03 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.