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.

Heavy Rain Fog/Mist

63°F

17°C

Humidity 88%
Wind Speed E 7 mph
Barometer 29.79 in
Dewpoint 59°F (15°C)
Visibility 3.00 mi
Last update 15 Apr 5:15 am EDT
Extended Forecast for

5 Miles NE Grand Junction MI

Flood Watch until April 17, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until April 17, 02:00am

    NOW until 2:00am Fri

    Flood Watch

  • Overnight

    Low: 63 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Patchy fog between 8am and 9am. High near 72. South southwest wind around 9 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am.  Low around 58. South wind around 6 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am.  Mostly cloudy, with a high near 68. South southwest wind 5 to 8 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 47. West wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after 2am.  Low around 51. Chance of precipitation is 80%.

    Low: 51 °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 66.

    High: 66 °F

    Showers

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a steady temperature around 63. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog between 8am and 9am. High near 72. South southwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 58. South wind around 6 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 likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 68. South southwest wind 5 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 47. West wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 75.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 51. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 66.
Saturday Night
A chance of showers before 2am. Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NE Grand Junction MI
 42.46°N 86.01°W (Elev. 696 ft)
5:16 am EDT Apr 15, 2026
5am EDT Apr 15, 2026-6pm EDT Apr 21, 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