Severe Weather and Flooding Threats for the Central U.S.; Dangerous Heat in the Southern and Western U.S.

Severe weather and flooding threats will continue for portions of the central U.S. over the next couple of days, with multiple rounds of thunderstorms expected. Dangerous heat will persist across the southern and western U.S. through mid-week. Hot and dry conditions will fuel fire weather concerns for the Intermountain West, where dry thunderstorms may spark additional wildfires. Read More >

Current conditions at

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

A Few Clouds

78°F

26°C

Humidity 45%
Wind Speed W 3 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Jun 5:52 pm CDT
Extended Forecast for

Oswego IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. East northeast wind around 5 mph becoming south after midnight.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 79. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm.  Partly cloudy, with a low around 60. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. North wind around 5 mph becoming east northeast after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly before 1pm.  Partly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 1am.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. East northeast wind around 5 mph becoming south after midnight.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 60. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 79. West wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 59. North wind around 5 mph becoming east northeast after midnight.
Friday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 77.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Oswego IL
 41.71°N 88.33°W
2:46 pm CDT Jun 23, 2026
6pm CDT Jun 23, 2026-6pm CDT Jun 30, 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