Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Overcast

73°F

23°C

Humidity 90%
Wind Speed SW 7 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 26 Jul 5:52 am CDT
Extended Forecast for

Techny IL

  • Today

    Today: Partly sunny, with a high near 91. Heat index values as high as 98. South southwest wind 5 to 10 mph.

    High: 91 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 76. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 72. West wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 91. Heat index values as high as 98. South southwest wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76. South wind around 5 mph, with gusts as high as 10 mph.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. West wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph.
Tuesday
Mostly sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A chance of showers. Partly sunny, with a high near 85.
Friday Night
A chance of showers. Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Techny IL
 42.12°N 87.8°W
3:21 am CDT Jul 26, 2026
6am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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