Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Overcast

45°F

7°C

Humidity 81%
Wind Speed N 8 mph
Barometer 29.85 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 12 Nov 5:15 pm EST
Extended Forecast for

Decatur MI

  • This Afternoon

    This Afternoon: A 50 percent chance of showers.  Cloudy, with a high near 48. North wind around 11 mph, with gusts as high as 23 mph.

    High: 48 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of rain showers, mixing with snow after 11pm, then gradually ending.  Mostly cloudy, with a low around 29. North wind 6 to 11 mph becoming light  after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 40%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 43. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Light north northwest wind.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow showers before 10am, then a slight chance of rain showers.  Partly sunny, with a high near 46. Calm wind becoming north northwest 5 to 8 mph in the afternoon.  Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers. Cloudy, with a high near 48. North wind around 11 mph, with gusts as high as 23 mph.
Tonight
A chance of rain showers, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 29. North wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 43. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 27. Light north northwest wind.
Saturday
A slight chance of rain and snow showers before 10am, then a slight chance of rain showers. Partly sunny, with a high near 46. Calm wind becoming north northwest 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.98°W (Elev. 781 ft)
5:03 pm EST Nov 12, 2026
5pm EST Nov 12, 2026-6pm EST Nov 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