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.

Fair

54°F

12°C

Humidity 77%
Wind Speed NW 6 mph
Barometer 29.79 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 13 May 1:15 am EDT
Extended Forecast for

Decatur MI

  • Overnight

    Overnight: Partly cloudy, with a low around 44. West wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 53. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 38 mph.

    High: 53 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 39. North northwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 33 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 63. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 8am.  Sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. West wind 10 to 13 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 53. Breezy, with a northwest wind 16 to 21 mph, with gusts as high as 38 mph.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 39. North northwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 33 mph.
Thursday
Sunny, with a high near 63. North northwest wind 6 to 11 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 43. Light and variable wind.
Friday
Mostly cloudy, with a high near 71.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 55.
Saturday
A chance of showers before 8am. Sunny, with a high near 81.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 55.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 85.
Monday Night
Showers likely. Mostly cloudy, with a low around 61.
Tuesday
A chance of showers. Mostly cloudy, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.98°W (Elev. 781 ft)
1:03 am EDT May 13, 2026
1am EDT May 13, 2026-6pm EDT May 19, 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