Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Aurora Municipal Airport (KARR)

Lat: 41.77°NLon: 88.48°WElev: 696ft.

Overcast

67°F

19°C

Humidity 84%
Wind Speed S 6 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 26 Aug 12:52 am CDT
Extended Forecast for

Oswego IL

  • Overnight

    Overnight: A 20 percent chance of showers after 3am.  Mostly cloudy, with a low around 64. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 1pm, then a slight chance of showers after 3pm.  Partly sunny, with a high near 83. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. West northwest wind 5 to 10 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 4pm.  Increasing clouds, with a high near 81. North northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. North northwest wind around 5 mph becoming calm  in the evening. Winds could gust as high as 10 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 64. South wind around 5 mph, with gusts as high as 15 mph.
Wednesday
A slight chance of showers before 1pm, then a slight chance of showers after 3pm. Partly sunny, with a high near 83. South wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 62. West northwest wind 5 to 10 mph.
Thursday
A 20 percent chance of showers after 4pm. Increasing clouds, with a high near 81. North northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 59. North northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 86.
Monday Night
A chance of showers. Partly cloudy, with a low around 69.
Tuesday
A chance of showers. Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Oswego IL
 41.69°N 88.36°W
1:21 am CDT Aug 26, 2026
1am CDT Aug 26, 2026-6pm CDT Sep 1, 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