Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

South Haven, South Haven Area Regional Airport (KLWA)

Lat: 42.35°NLon: 86.26°WElev: 666ft.

Light Rain

59°F

15°C

Humidity 94%
Wind Speed E 3 mph
Barometer 29.79 in
Dewpoint 57°F (14°C)
Visibility 7.00 mi
Last update 15 Apr 12:35 am EDT
Extended Forecast for

4 Miles N Decatur MI

Flood Watch until April 17, 02:00am
Tornado Watch April 15, 12:58am until April 15, 04:00am
Click here for hazard details and duration
Flood Watch
Tornado Watch
  •  
    Flood Watch until April 17, 02:00am
    Tornado Watch April 15, 12:58am until April 15, 04:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 62 °F

    Severe
    Thunderstorms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  High near 73. South southwest wind around 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 3am, then showers and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am.  Low around 61. South wind around 8 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 61 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 70. South southwest wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 49. West northwest wind 3 to 6 mph.  Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after 2am.  Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 2pm, then a chance of showers.  Mostly cloudy, with a high near 67.

    High: 67 °F

    Showers

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Some of the storms could be severe and produce heavy rainfall. Low around 62. Southwest wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 73. South southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms before 3am, then showers and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Low around 61. South wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 70. South southwest wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 49. West northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 76.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 53. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 67.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Decatur MI
 42.17°N 85.98°W (Elev. 758 ft)
12:16 am EDT Apr 15, 2026
12am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database