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

Hurricane and Storm Surge Watches Issued for the Northern Gulf Coast for Strengthening Tropical Storm Isaias

Tropical Storm Isaias is forecast to track toward the central Gulf Coast while strengthening into a hurricane on Thursday. There is an increasing risk of damaging hurricane-force winds and life-threatening storm surge impacts along portions of the northern Gulf Coast Friday into Saturday. Isaias will bring heavy rainfall to the central Gulf Coast and much of the Southeast Friday into the weekend. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

66°F

19°C

Humidity 78%
Wind Speed W 12 mph
Barometer 29.82 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 7 Oct 3:55 pm EDT
Extended Forecast for

Decatur MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. West wind around 10 mph, with gusts as high as 23 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 53. West wind 3 to 7 mph. Winds could gust as high as 18 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 8am. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West wind around 10 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 53. West wind 3 to 7 mph. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 67. Light west wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 45. Calm wind.
Friday
Mostly sunny, with a high near 71. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 79.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 56.
Sunday
A chance of showers before 8am. Mostly cloudy, with a high near 70.
Sunday Night
Partly cloudy, with a low around 54.
Columbus Day
Partly sunny, with a high near 75.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49.
Tuesday
A chance of showers. Partly sunny, with a high near 62.
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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:
4:03 pm EDT Oct 7, 2026
Forecast Valid:
4pm EDT Oct 7, 2026-6pm EDT Oct 13, 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