Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

70°F

21°C

Humidity 64%
Wind Speed N 5 mph
Barometer 29.94 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Aug 8:35 pm EDT
Extended Forecast for

Glenn MI

  • Tonight

    Tonight: Increasing clouds, with a low around 57. Northeast wind 8 to 10 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 76. East northeast wind around 8 mph.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. North northwest wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 76. Southwest wind 7 to 9 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. South southwest wind around 7 mph.

    Low: 64 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 57. Northeast wind 8 to 10 mph.
Thursday
Sunny, with a high near 76. East northeast wind around 8 mph.
Thursday Night
Mostly clear, with a low around 61. North northwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 76. Southwest wind 7 to 9 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Glenn MI
 42.51°N 86.24°W (Elev. 636 ft)
8:05 pm EDT Aug 19, 2026
8pm EDT Aug 19, 2026-6pm EDT Aug 26, 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