Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Fair

30°F

-1°C

Humidity 59%
Wind Speed E 7 mph
Barometer 30.26 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 3 Mar 1:55 am EST
Extended Forecast for

4 Miles N Decatur MI

  • Overnight

    Overnight: Mostly cloudy, with a low around 27. East southeast wind 3 to 5 mph.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of freezing rain before 9am, then a chance of drizzle.  Mostly cloudy, with a high near 43. Light and variable wind.  Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Drizzle/Freezing
    Rain then
    Chance
    Drizzle

  • Tuesday Night

    Tuesday Night: A chance of drizzle before 7pm.  Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Chance
    Drizzle then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm.  Partly sunny, with a high near 50. East southeast wind 3 to 7 mph.

    High: 50 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am.  Mostly cloudy, with a low around 39. East southeast wind 3 to 5 mph.  Chance of precipitation is 60%.

    Low: 39 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers.  High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm.  Mostly cloudy, with a high near 66.

    High: 66 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 27. East southeast wind 3 to 5 mph.
Tuesday
A chance of freezing rain before 9am, then a chance of drizzle. Mostly cloudy, with a high near 43. Light and variable wind. Chance of precipitation is 30%.
Tuesday Night
A chance of drizzle before 7pm. Mostly cloudy, with a low around 29. Calm wind.
Wednesday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 50. East southeast wind 3 to 7 mph.
Wednesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 39. East southeast wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday
Showers. High near 54. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 43.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 66.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 54.
Saturday
Showers likely before 1pm. Mostly cloudy, with a high near 63.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Decatur MI
 42.17°N 85.98°W (Elev. 758 ft)
2:03 am EST Mar 3, 2026
2am EST Mar 3, 2026-6pm EDT Mar 9, 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