Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Overcast

68°F

20°C

Humidity 100%
Wind Speed S 5 mph
Barometer 29.95 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 4 Sep 6:15 am EDT
Extended Forecast for

Saint Louis MI

  • Today

    Today: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 1pm.  Cloudy, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers
    Likely then
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 62. East northeast wind 3 to 6 mph.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 79. East northeast wind 5 to 9 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. East northeast wind 5 to 9 mph becoming calm  after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. East northeast wind 3 to 7 mph.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms, mainly between 11am and 1pm. Cloudy, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 62. East northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 79. East northeast wind 5 to 9 mph.
Saturday Night
Mostly clear, with a low around 54. East northeast wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 79. East northeast wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 54.
Labor Day
Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 64.
Wednesday
Showers likely. Partly sunny, with a high near 84.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 63.
Thursday
A chance of showers. Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MI
 43.41°N 84.61°W (Elev. 745 ft)
6:03 am EDT Sep 4, 2026
6am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

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