National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

A Few Clouds

48°F

9°C

Humidity 71%
Wind Speed NW 9 mph
Barometer 29.83 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 May 5:55 am EDT
Extended Forecast for

4 Miles WNW Decatur MI

  • Today

    Today: Mostly cloudy, with a high near 55. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 33 mph.

    High: 55 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 39. North northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 63. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 71. South wind 9 to 16 mph, with gusts as high as 30 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 8pm. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, with a high near 55. Breezy, with a northwest wind 13 to 20 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 39. North northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Sunny, with a high near 63. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Increasing clouds, with a low around 41. Northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers before 2pm. Mostly cloudy, with a high near 71. South wind 9 to 16 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
A chance of showers after 8pm. Partly cloudy, with a low around 58.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 82.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Tuesday
Showers. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Decatur MI
 42.13°N 86.04°W (Elev. 797 ft)
Last Update:
6:03 am EDT May 13, 2026
Forecast Valid:
6am EDT May 13, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation