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

Grand Rapids, Gerald R. Ford International Airport (KGRR)

Lat: 42.88°NLon: 85.52°WElev: 794ft.

Overcast

69°F

21°C

Humidity 76%
Wind Speed W 12 mph
Barometer 29.80 in (1008.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 4:53 pm EDT
Extended Forecast for

4 Miles NNW Alto MI

Flood Watch April 15, 05:26pm until April 17, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 15, 05:26pm until April 17, 02:00am

    NOW until 2:00am Fri

    Flood Watch

  • This Afternoon

    High: 72 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am.  Patchy fog after 2am. Low around 59. South wind around 9 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 59 °F

    Showers
    Likely then
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 67. South southwest wind 7 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A 10 percent chance of showers before 8pm.  Partly cloudy, with a low around 48. West wind 3 to 8 mph.

    Low: 48 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 74. Light southeast wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 74 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am.  Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers, mainly before 2pm.  High near 61. Chance of precipitation is 80%.

    High: 61 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 33.

    Low: 33 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 72. West southwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Patchy fog after 2am. Low around 59. South wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 1pm, then a chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 67. South southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 48. West wind 3 to 8 mph.
Friday
Partly sunny, with a high near 74. Light southeast wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
A chance of showers before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 50. Chance of precipitation is 90%.
Saturday
Showers, mainly before 2pm. High near 61. Chance of precipitation is 80%.
Saturday Night
A chance of showers before 8pm. Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 45. Breezy.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Alto MI
 42.91°N 85.41°W (Elev. 787 ft)
5:03 pm EDT Apr 15, 2026
5pm EDT Apr 15, 2026-6pm EDT Apr 22, 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