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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Mostly Cloudy

70°F

21°C

Humidity 69%
Wind Speed S 5 mph
Barometer 29.94 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 11 Oct 4:56 pm EDT
Extended Forecast for

Saint Louis MI

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 53 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 63. South southwest wind 5 to 7 mph.

    Low: 63 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. West southwest wind 9 to 16 mph, with gusts as high as 25 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. West northwest wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 53. Calm wind becoming south southwest around 5 mph after midnight.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 63. South southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 78. West southwest wind 9 to 16 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 54. West northwest wind 5 to 9 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 64.
Thursday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 46.
Friday
A chance of showers. Partly sunny, with a high near 59. Breezy.
Friday Night
Mostly cloudy, with a low around 33. Breezy.
Saturday
Mostly sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Louis MI
 43.41°N 84.61°W (Elev. 745 ft)
Last Update:
4:03 pm EDT Oct 11, 2026
Forecast Valid:
5pm EDT Oct 11, 2026-6pm EDT Oct 18, 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