Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Fair

37°F

3°C

Humidity 81%
Wind Speed S 6 mph
Barometer 29.89 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 20 Mar 2:55 am EDT
Extended Forecast for

Saint Louis MI

  • Overnight

    Overnight: A 30 percent chance of showers.  Mostly cloudy, with a steady temperature around 37. South wind around 9 mph, with gusts as high as 18 mph.

    Low: 37 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly before 8am.  Mostly cloudy, with a high near 52. West southwest wind 10 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. North wind 5 to 8 mph becoming calm  after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am.  Mostly cloudy, with a low around 40. South wind around 7 mph.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers after 8am.  Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a steady temperature around 37. South wind around 9 mph, with gusts as high as 18 mph.
Friday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 52. West southwest wind 10 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 30. North wind 5 to 8 mph becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 52. Calm wind becoming south 5 to 8 mph in the afternoon.
Saturday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 40. South wind around 7 mph.
Sunday
A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of showers. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MI
 43.41°N 84.61°W (Elev. 745 ft)
3:03 am EDT Mar 20, 2026
3am EDT Mar 20, 2026-6pm EDT Mar 26, 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