Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Overcast

39°F

4°C

Humidity 48%
Wind Speed E 17 G 28 mph
Barometer 29.79 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 15 Mar 5:35 am EDT
Extended Forecast for

Decatur MI

Wind Advisory March 15, 11:00am until March 16, 12:00am
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: A 30 percent chance of showers.  Mostly cloudy, with a low around 33. East southeast wind around 17 mph, with gusts as high as 36 mph.

    Low: 33 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers before 1pm, then a chance of showers after 3pm.  Mostly cloudy, with a high near 67. Breezy, with an east southeast wind 17 to 26 mph becoming south in the afternoon. Winds could gust as high as 44 mph.  Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Rain showers before 5am, then a chance of rain and snow showers.  Low around 26. Breezy, with a south wind 15 to 24 mph, with gusts as high as 47 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Breezy.
    Showers then
    Rain/Snow
    Likely

  • Monday

    Monday: Snow showers.  Patchy blowing snow. High near 32. Breezy, with a west wind 21 to 23 mph, with gusts as high as 43 mph.  Chance of precipitation is 90%. New snow accumulation of around 2 inches.

    High: 32 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Monday Night

    Monday Night: Snow showers, mainly before 2am.  Patchy blowing snow before 11pm. Low around 17. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 41 mph.  Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    Low: 17 °F

    Snow Showers
    and Patchy
    Blowing Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow showers before 8am.  Mostly cloudy, with a high near 24.

    High: 24 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow showers after 2am.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: A chance of snow showers before 2pm.  Mostly cloudy, with a high near 40.

    High: 40 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 33. East southeast wind around 17 mph, with gusts as high as 36 mph.
Sunday
A slight chance of showers before 1pm, then a chance of showers after 3pm. Mostly cloudy, with a high near 67. Breezy, with an east southeast wind 17 to 26 mph becoming south in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 30%.
Sunday Night
Rain showers before 5am, then a chance of rain and snow showers. Low around 26. Breezy, with a south wind 15 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
Snow showers. Patchy blowing snow. High near 32. Breezy, with a west wind 21 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of around 2 inches.
Monday Night
Snow showers, mainly before 2am. Patchy blowing snow before 11pm. Low around 17. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Tuesday
A 30 percent chance of snow showers before 8am. Mostly cloudy, with a high near 24.
Tuesday Night
A 50 percent chance of snow showers after 2am. Mostly cloudy, with a low around 16.
Wednesday
A chance of snow showers before 2pm. Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 51.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Mostly cloudy, with a high near 55.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Decatur MI
 42.11°N 85.95°W (Elev. 755 ft)
5:03 am EDT Mar 15, 2026
5am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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