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.

A Few Clouds

76°F

24°C

Humidity 36%
Wind Speed W 14 mph
Barometer 29.86 in (1011.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Jun 5:52 pm CDT
Extended Forecast for

Oswego IL

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 74. Breezy, with a south southwest wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. West northwest wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 74. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    High: 74 °F

    Showers then
    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 1am. Low around 59. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    Low: 59 °F

    T-storms and
    Breezy then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 72. Breezy.

    High: 72 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 74. Breezy, with a south southwest wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 53. West northwest wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph.
Wednesday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 74. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Showers and possibly a thunderstorm before 10pm, then a slight chance of showers between 10pm and 1am. Low around 59. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a high near 72. Breezy.
Thursday Night
Mostly clear, with a low around 53.
Juneteenth
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
A chance of showers. Partly cloudy, with a low around 58.
Sunday
A chance of showers. Mostly sunny, with a high near 78.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Monday
A chance of showers. Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Oswego IL
 41.69°N 88.36°W
Last Update:
2:51 pm CDT Jun 15, 2026
Forecast Valid:
6pm CDT Jun 15, 2026-6pm CDT Jun 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation