Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Hazardous Weather Conditions

Current conditions at

Chicago / Wheeling, Pal-Waukee Airport (KPWK)

Lat: 42.12°NLon: 87.9°WElev: 646ft.

Fair

73°F

23°C

Humidity 84%
Wind Speed S 5 mph
Barometer 29.96 in (1013.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 31 Aug 2:52 am CDT
Extended Forecast for

Long Grove IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. South southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 74. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 88. Heat index values as high as 95. Southwest wind 5 to 10 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South southwest wind around 10 mph, with gusts as high as 15 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 74. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Southwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 74. Southwest wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Sunny, with a high near 89.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71.
Thursday
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Long Grove IL
 42.18°N 88.01°W
3:01 am CDT Aug 31, 2026
3am CDT Aug 31, 2026-6pm CDT Sep 6, 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