Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Light Snow Haze

18°F

-8°C

Humidity 79%
Wind Speed NE 12 mph
Barometer 30.31 in
Dewpoint 12°F (-11°C)
Visibility 1.75 mi
Wind Chill5°F (-15°C)
Last update 31 Jan 3:35 am EST
Extended Forecast for

4 Miles N Decatur MI

  • Overnight

    Overnight: A 40 percent chance of snow showers, mainly before 4am.  Mostly cloudy, with a steady temperature around 10. Wind chill values as low as -1. Light and variable wind becoming north 5 to 7 mph.

    Low: 10 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Wind chill values as low as -6. North northeast wind 6 to 8 mph.

    High: 19 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -3. Wind chill values as low as -10. North wind around 6 mph becoming calm  in the evening.

    Low: -3 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 26. Wind chill values as low as -11. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers after 1am.  Mostly cloudy, with a low around 12. South southwest wind around 6 mph.

    Low: 12 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Monday

    Monday: A 40 percent chance of snow showers before 1pm.  Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of snow showers, mainly before 4am. Mostly cloudy, with a steady temperature around 10. Wind chill values as low as -1. Light and variable wind becoming north 5 to 7 mph.
Saturday
Mostly sunny, with a high near 19. Wind chill values as low as -6. North northeast wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around -3. Wind chill values as low as -10. North wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 26. Wind chill values as low as -11. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 12. South southwest wind around 6 mph.
Monday
A 40 percent chance of snow showers before 1pm. Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 6.
Wednesday
Partly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
A chance of snow showers. Partly sunny, with a high near 25.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 17.
Friday
Snow showers likely. Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Decatur MI
 42.17°N 85.98°W (Elev. 758 ft)
3:06 am EST Jan 31, 2026
3am EST Jan 31, 2026-6pm EST Feb 6, 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