National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Fair

72°F

22°C

Humidity 53%
Wind Speed S 10 mph
Barometer 29.80 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 12 Apr 9:35 pm EDT
Extended Forecast for

Saint Louis MI

  • Tonight

    Tonight: Showers and thunderstorms. Low around 59. Southwest wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 71. West wind around 16 mph, with gusts as high as 28 mph.

    High: 71 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 75. West southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 56. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 71.

    High: 71 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms. Low around 59. Southwest wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 71. West wind around 16 mph, with gusts as high as 28 mph.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. South southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 75. West southwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 56. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Wednesday
Showers. High near 69. Chance of precipitation is 80%.
Wednesday Night
Showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 57. Chance of precipitation is 80%.
Thursday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 71.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 76.
Friday Night
Showers likely. Mostly cloudy, with a low around 57.
Saturday
Showers likely. Mostly cloudy, with a high near 68.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MI
 43.41°N 84.61°W (Elev. 745 ft)
Last Update:
9:03 pm EDT Apr 12, 2026
Forecast Valid:
9pm EDT Apr 12, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation