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

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

Overcast

39°F

4°C

Humidity 73%
Wind Speed W 18 mph
Barometer 30.00 in (1016.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 5 Apr 12:52 am CDT
Extended Forecast for

Oswego IL

  • Overnight

    Overnight: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 34. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 34 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of showers between 11pm and 2am. Partly cloudy, with a low around 35. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Breezy.

    High: 65 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 54. Breezy.

    Low: 54 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 34. West wind around 15 mph, with gusts as high as 30 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 52. West northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
A chance of showers between 11pm and 2am. Partly cloudy, with a low around 35. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 50. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 25. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 65. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 69.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45.
Friday
A chance of showers. Mostly cloudy, with a high near 64.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44.
Saturday
A chance of showers. Mostly cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oswego IL
 41.71°N 88.33°W
Last Update:
1:21 am CDT Apr 5, 2026
Forecast Valid:
1am CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
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