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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Overcast

27°F

-3°C

Humidity 69%
Wind Speed W 20 G 24 mph
Barometer 30.03 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 11 Jan 5:15 am EST
Extended Forecast for

4 Miles WNW Decatur MI

  • Overnight

    Overnight: Snow showers likely. Cloudy, with a low around 23. West northwest wind around 16 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.

    Low: 23 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers, mainly before 3pm. Patchy blowing snow between 10am and 1pm. High near 32. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of around 2 inches.

    High: 32 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. West southwest wind 9 to 15 mph, with gusts as high as 26 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29. Southwest wind around 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain and snow showers likely before 1pm, then snow showers. Mostly cloudy, with a high near 34.

    High: 34 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Snow showers likely. Cloudy, with a low around 23. West northwest wind around 16 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow showers, mainly before 3pm. Patchy blowing snow between 10am and 1pm. High near 32. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of around 2 inches.
Sunday Night
Mostly cloudy, with a low around 26. Southwest wind 9 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 37. West southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 29. Southwest wind around 7 mph.
Tuesday
A 50 percent chance of showers. Mostly cloudy, with a high near 43.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Wednesday
Rain and snow showers likely before 1pm, then snow showers. Mostly cloudy, with a high near 34.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 15.
Thursday
Mostly sunny, with a high near 25.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 18.
Friday
Snow showers likely. Mostly cloudy, with a high near 30.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 18.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Decatur MI
 42.13°N 86.04°W (Elev. 797 ft)
Last Update:
5:03 am EST Jan 11, 2026
Forecast Valid:
5am EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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