Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Mostly Cloudy

36°F

2°C

Humidity 65%
Wind Speed W 17 G 23 mph
Barometer 30.11 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 12 Jan 10:15 am EST
Extended Forecast for

Decatur MI

  • Today

    Today: Mostly sunny, with a high near 39. West southwest wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 30. Southwest wind 5 to 7 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of drizzle or freezing rain before 9am, then a chance of drizzle.  Partly sunny, with a high near 43. South southwest wind 10 to 13 mph, with gusts as high as 26 mph.  Chance of precipitation is 50%.

    High: 43 °F

    Chance
    Drizzle/Freezing
    Rain then
    Chance
    Drizzle

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 1am.  Mostly cloudy, with a low around 29. West wind around 14 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday

    Wednesday: Snow, possibly mixed with rain, becoming all snow after 1pm.  High near 36. North northwest wind 11 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow showers after 1pm.  Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow showers after 1am.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly after 1pm.  Mostly cloudy, with a high near 32.

    High: 32 °F

    Snow Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 39. West southwest wind 10 to 14 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 30. Southwest wind 5 to 7 mph, with gusts as high as 18 mph.
Tuesday
A chance of drizzle or freezing rain before 9am, then a chance of drizzle. Partly sunny, with a high near 43. South southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Tuesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 29. West wind around 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Snow, possibly mixed with rain, becoming all snow after 1pm. High near 36. North northwest wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 12.
Thursday
A 30 percent chance of snow showers after 1pm. Mostly sunny, with a high near 24.
Thursday Night
A chance of snow showers after 1am. Mostly cloudy, with a low around 16.
Friday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 32.
Friday Night
Snow showers. Mostly cloudy, with a low around 20.
Saturday
Snow showers likely. Mostly cloudy, with a high near 27.
Saturday Night
Snow showers likely. Mostly cloudy, with a low around 11.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.95°W (Elev. 755 ft)
10:04 am EST Jan 12, 2026
10am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database