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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

A Few Clouds

66°F

19°C

Humidity 52%
Wind Speed SE 7 mph
Barometer 30.32 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 1:15 pm EDT
Extended Forecast for

Decatur MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. Southeast wind around 7 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Southeast wind around 5 mph becoming calm after midnight.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Northwest wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Tuesday

    Tuesday: Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Patchy Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 67. Southeast wind around 7 mph.
Tonight
Mostly clear, with a low around 41. Southeast wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 67. Light and variable wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 40. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 63. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Clear, with a low around 36.
Tuesday
Patchy frost between 7am and 8am. Otherwise, sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 68.
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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:
1:16 pm EDT Oct 3, 2026
Forecast Valid:
1pm EDT Oct 3, 2026-6pm EDT Oct 9, 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