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.

A Few Clouds

68°F

20°C

Humidity 78%
Wind Speed E 5 mph
Barometer 29.75 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 14 Apr 8:15 pm EDT
Extended Forecast for

Saint Louis MI

Flood Watch April 14, 08:34pm until April 17, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 14, 08:34pm until April 17, 02:00am

    NOW until 2:00am Fri

    Flood Watch

  • Tonight

    Low: 60 °F

    Heavy Rain

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm.  High near 71. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 2am, then showers likely.  Low around 58. Southwest wind around 7 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: Showers likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 68. South southwest wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 49. Northwest wind 5 to 7 mph.  Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  Mostly cloudy, with a high near 68.

    High: 68 °F

    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 5am, then a chance of showers. Some of the storms could produce heavy rainfall. Low around 60. South wind 5 to 8 mph becoming east southeast in the evening. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 71. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 58. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 68. South southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 49. Northwest wind 5 to 7 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 68.
Friday Night
A 50 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 68.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 35.
Sunday
Mostly cloudy, with a high near 43. Breezy.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MI
 43.41°N 84.61°W (Elev. 745 ft)
8:03 pm EDT Apr 14, 2026
8pm EDT Apr 14, 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