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

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Overcast

63°F

17°C

Humidity 94%
Wind Speed W 9 mph
Barometer 29.78 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Apr 8:55 am EDT
Extended Forecast for

Pompeii MI

Flood Watch April 15, 09:19am until April 17, 02:00am
Flood Warning April 15, 09:19am until April 15, 11:00am
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch April 15, 09:19am until April 17, 02:00am
    Flood Warning April 15, 09:19am until April 15, 11:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 72 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then showers after 5am.  Low around 60. West southwest wind around 8 mph becoming south southeast after midnight.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am.  High near 69. South wind 7 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 69 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am.  Low around 49. West wind 5 to 7 mph becoming north after midnight.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers then
    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 72. East wind 5 to 8 mph becoming south southeast in the afternoon.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Partly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers.  Mostly cloudy, with a high near 67. Breezy.  Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A chance of rain showers before 5am, then a chance of rain and snow showers.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 72. Southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then showers after 5am. Low around 60. West southwest wind around 8 mph becoming south southeast after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers, with thunderstorms also possible after 11am. High near 69. South wind 7 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Low around 49. West wind 5 to 7 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 72. East wind 5 to 8 mph becoming south southeast in the afternoon.
Friday Night
Showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 67. Breezy. Chance of precipitation is 70%.
Saturday Night
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 35.
Sunday
A chance of snow showers before 8am. Partly sunny, with a high near 44. Breezy.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Pompeii MI
 43.19°N 84.6°W (Elev. 728 ft)
9:03 am EDT Apr 15, 2026
9am 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