Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Fair

73°F

23°C

Humidity 89%
Wind Speed E 3 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 11 Aug 10:15 am EDT
Extended Forecast for

Saint Louis MI

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 84. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 4pm and 5pm.  Mostly sunny, with a high near 85. Calm wind becoming west 5 to 7 mph in the afternoon.  Chance of precipitation is 10%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61. North northwest wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers after 2pm.  Partly sunny, with a high near 82. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers.  Mostly sunny, with a high near 77.

    High: 77 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 84. Calm wind becoming south southeast around 5 mph in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 62. Light and variable wind.
Wednesday
A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 85. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 10%.
Wednesday Night
Partly cloudy, with a low around 61. North northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 82. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A chance of showers. Mostly sunny, with a high near 77.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 59.
Sunday
Showers likely. Mostly cloudy, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
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)
10:03 am EDT Aug 11, 2026
10am EDT Aug 11, 2026-6pm EDT Aug 17, 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