National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

Fair

-14°F

-26°C

Humidity 91%
Wind Speed Calm
Barometer 30.20 in (1024.9 mb)
Dewpoint -16°F (-27°C)
Visibility 7.00 mi
Last update 4 Dec 9:52 pm CST
Extended Forecast for

Oswego IL

  • Tonight

    Tonight: Patchy freezing fog after 11pm. Partly cloudy, with a temperature rising to around 2 by 5am. Wind chill values as low as -14. South wind around 5 mph, with gusts as high as 10 mph.

    Low: -2 °F⇑

    Patchy
    Freezing Fog

  • Friday

    Friday: Mostly sunny, with a high near 28. Wind chill values as low as -6. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy snow and freezing rain. Mostly cloudy, with a steady temperature around 27. South southwest wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Patchy Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 28. West northwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 28 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow, mainly after midnight. Cloudy, with a low around 18. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 10 mph.

    Low: 18 °F

    Slight Chance
    Snow then
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Partly sunny, with a high near 24.

    High: 24 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely, mainly after midnight. Cloudy, with a low around 13.

    Low: 13 °F

    Snow Likely

Detailed Forecast

Tonight
Patchy freezing fog after 11pm. Partly cloudy, with a temperature rising to around 2 by 5am. Wind chill values as low as -14. South wind around 5 mph, with gusts as high as 10 mph.
Friday
Mostly sunny, with a high near 28. Wind chill values as low as -6. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Patchy snow and freezing rain. Mostly cloudy, with a steady temperature around 27. South southwest wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 28. West northwest wind around 5 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A 50 percent chance of snow, mainly after midnight. Cloudy, with a low around 18. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 10 mph.
Sunday
A 40 percent chance of snow before noon. Partly sunny, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 4.
Monday
Partly sunny, with a high near 21.
Monday Night
Snow likely, mainly after midnight. Cloudy, with a low around 13.
Tuesday
Mostly cloudy, with a high near 31.
Tuesday Night
Snow likely. Cloudy, with a low around 22.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 33.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 10.
Thursday
A chance of snow. Partly sunny, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oswego IL
 41.71°N 88.33°W
Last Update:
9:16 pm CST Dec 4, 2025
Forecast Valid:
10pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation