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.

Fair

77°F

25°C

Humidity 29%
Wind Speed E 12 G 23 mph
Barometer 30.33 in (1026.9 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Jun 2:52 pm CDT
Extended Forecast for

Oswego IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. East northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. East wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.

    Low: 53 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Light and variable wind becoming south southeast 5 to 10 mph in the morning.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.

    High: 85 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 78. East northeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 53. East wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Wednesday
Sunny, with a high near 82. Light and variable wind becoming south southeast 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 59. South wind around 5 mph, with gusts as high as 10 mph.
Thursday
Sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84.
Saturday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oswego IL
 41.71°N 88.33°W
Last Update:
2:56 pm CDT Jun 2, 2026
Forecast Valid:
3pm CDT Jun 2, 2026-6pm CDT Jun 8, 2026
 
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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