Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

63°F

17°C

Humidity 88%
Wind Speed SW 1 mph
Barometer 30.01 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Aug 11:55 pm EDT
Extended Forecast for

3 Miles ESE Glenn MI

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 64. Calm wind becoming southwest around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Increasing clouds, with a high near 80. West southwest wind 5 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am.  Low around 63. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 7am.  Mostly sunny, with a high near 77. Northwest wind 3 to 8 mph.

    High: 77 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. North northwest wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 64. Calm wind becoming southwest around 5 mph.
Tuesday
A slight chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 80. West southwest wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tuesday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then a chance of showers and thunderstorms after 2am. Low around 63. Southwest wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers, mainly before 7am. Mostly sunny, with a high near 77. Northwest wind 3 to 8 mph.
Wednesday Night
Mostly clear, with a low around 55. North northwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 78.
Friday Night
A chance of showers. Partly cloudy, with a low around 61.
Saturday
A chance of showers before 2pm. Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Glenn MI
 42.51°N 86.18°W (Elev. 610 ft)
12:03 am EDT Aug 18, 2026
12am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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