Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Rain Fog/Mist

61°F

16°C

Humidity 94%
Wind Speed Vrbl 7 G 20 mph
Barometer 29.99 in
Dewpoint 59°F (15°C)
Visibility 2.50 mi
Last update 23 Aug 6:55 am EDT
Extended Forecast for

5 Miles SW Allegan MI

  • Today

    Today: A 20 percent chance of showers before 9am.  Mostly sunny, with a high near 72. Light northwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 28 mph.

    High: 72 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 52. Northwest wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers before 9am. Mostly sunny, with a high near 72. Light northwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 28 mph.
Tonight
Mostly clear, with a low around 52. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 72. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 51. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 58.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Allegan MI
 42.48°N 85.92°W (Elev. 745 ft)
6:03 am EDT Aug 23, 2026
7am EDT Aug 23, 2026-6pm EDT Aug 29, 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