Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Hazardous Weather Conditions

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

79°F

26°C

Humidity 37%
Wind Speed S 12 G 18 mph
Barometer 29.72 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Apr 6:35 pm EDT
Extended Forecast for

South Haven MI

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight.  Patchy fog after 3am. Low around 42. South southeast wind 11 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers
    Likely then
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers and thunderstorms likely before 8am, then a chance of showers between 8am and 11am.  Cloudy through mid morning, then gradual clearing, with a high near 51. West northwest wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Showers
    Likely then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. West northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. North northeast wind 5 to 8 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Patchy fog after 3am. Low around 42. South southeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms likely before 8am, then a chance of showers between 8am and 11am. Cloudy through mid morning, then gradual clearing, with a high near 51. West northwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 38. West northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 47. West wind 10 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 31. North northeast wind 5 to 8 mph.
Monday
Sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
A chance of showers. Partly cloudy, with a low around 54.
Friday
A chance of showers. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
South Haven MI
 42.41°N 86.28°W (Elev. 597 ft)
6:03 pm EDT Apr 17, 2026
6pm EDT Apr 17, 2026-6pm EDT Apr 24, 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