Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

A Few Clouds

70°F

21°C

Humidity 53%
Wind Speed N 9 mph
Barometer 30.02 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 27 Aug 9:15 pm EDT
Extended Forecast for

Saint Louis MI

  • Tonight

    Tonight: Clear, with a low around 52. North wind 5 to 8 mph becoming calm  after midnight.

    Low: 52 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 84. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 84 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am.  Mostly cloudy, with a low around 65. South southwest wind 3 to 7 mph.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm.  Mostly cloudy, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 8am.  Partly sunny, with a high near 89.

    High: 89 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers after 2am.  Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 52. North wind 5 to 8 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 81. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 57. Light and variable wind.
Saturday
Increasing clouds, with a high near 84. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Saturday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 65. South southwest wind 3 to 7 mph.
Sunday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 87.
Sunday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 89.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 70.
Tuesday
A chance of showers before 8am. Mostly sunny and hot, with a high near 90.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 67.
Wednesday
A chance of showers. Mostly sunny, with a high near 87.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MI
 43.41°N 84.61°W (Elev. 745 ft)
9:03 pm EDT Aug 27, 2026
9pm EDT Aug 27, 2026-6pm EDT Sep 3, 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