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.

Freezing Fog

5°F

-15°C

Humidity 95%
Wind Speed Calm
Barometer 30.46 in (1032.9 mb)
Dewpoint 4°F (-16°C)
Visibility 0.25 mi
Last update 1 Dec 1:52 am CST
Extended Forecast for

Oswego IL

Winter Weather Advisory December 1, 02:00pm until December 2, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Areas of fog. Patchy freezing fog before 4am. Otherwise, mostly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Patchy
    Freezing Fog
    and Areas Fog

  • Monday

    Monday: Snow, mainly after 2pm. High near 27. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 27 °F

    Cloudy then
    Snow

  • Monday Night

    Monday Night: Snow, mainly before 11pm. Low around 15. Southeast wind around 5 mph becoming northwest after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow then
    Slight Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 23. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 23 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon. Cloudy, with a high near 32.

    High: 32 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1.

    Low: -1 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -6.

    Low: -6 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog. Patchy freezing fog before 4am. Otherwise, mostly cloudy, with a low around 9. Calm wind.
Monday
Snow, mainly after 2pm. High near 27. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Monday Night
Snow, mainly before 11pm. Low around 15. Southeast wind around 5 mph becoming northwest after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Partly sunny, with a high near 23. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 16. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of snow after noon. Cloudy, with a high near 32.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -1.
Thursday
Sunny and cold, with a high near 10.
Thursday Night
Partly cloudy, with a low around -6.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
Mostly cloudy, with a high near 29.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oswego IL
 41.69°N 88.36°W
Last Update:
1:46 am CST Dec 1, 2025
Forecast Valid:
2am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation