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

Chicago / West Chicago, Dupage Airport (KDPA)

Lat: 41.9°NLon: 88.25°WElev: 758ft.

Mostly Cloudy

68°F

20°C

Humidity 78%
Wind Speed S 5 mph
Barometer 30.02 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Aug 11:52 pm CDT
Extended Forecast for

Lisle IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am.  Mostly cloudy, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm.  Mostly sunny, with a high near 83. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 83 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 7pm.  Mostly clear, with a low around 64. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Slight Chance
    Showers then
    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. North northwest wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 10 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 64. South wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Mostly sunny, with a high near 83. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 10 percent chance of showers before 7pm. Mostly clear, with a low around 64. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 82. North northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 10 mph.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 62.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Partly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 70.
Monday
Partly sunny, with a high near 85.
Monday Night
A chance of showers. Mostly cloudy, with a low around 68.
Tuesday
A chance of showers. Partly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Lisle IL
 41.81°N 88.09°W
8:16 pm CDT Aug 25, 2026
12am 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