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

Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

77°F

25°C

Humidity 44%
Wind Speed Vrbl 2 mph
Barometer 29.96 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 11 Sep 5:15 pm EDT
Extended Forecast for

Decatur MI

  • Tonight

    Tonight: Mostly clear, with a low around 59. Light southeast wind.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. South southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 61. Light west wind.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Light northwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. North northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 59. Light southeast wind.
Saturday
Mostly sunny, with a high near 84. South southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 61. Light west wind.
Sunday
Mostly sunny, with a high near 79. Light northwest wind increasing to 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Partly cloudy, with a low around 49. North northwest wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 84.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 59.
Thursday
A chance of showers. Partly sunny, with a high near 76.
Thursday Night
A chance of showers. Partly cloudy, with a low around 54.
Friday
A chance of showers. Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.98°W (Elev. 781 ft)
Last Update:
5:03 pm EDT Sep 11, 2026
Forecast Valid:
5pm EDT Sep 11, 2026-6pm EDT Sep 18, 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