Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

66°F

19°C

Humidity 93%
Wind Speed N 5 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 7:52 am CDT
Extended Forecast for

2 Miles SW Palatine IL

  • Today

    Today: A 20 percent chance of showers after 2pm.  Partly sunny, with a high near 79. Northeast wind 5 to 10 mph.

    High: 79 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. East northeast wind around 5 mph becoming north after midnight.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming east northeast around 5 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 79 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 79.

    High: 79 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 79. Northeast wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 62. East northeast wind around 5 mph becoming north after midnight.
Thursday
Sunny, with a high near 80. Calm wind becoming east northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 62. Calm wind becoming south southwest around 5 mph after midnight.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 79. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Palatine IL
 42.09°N 88.07°W
3:46 am CDT Aug 19, 2026
8am CDT Aug 19, 2026-6pm CDT Aug 25, 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