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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Overcast

61°F

16°C

Humidity 94%
Wind Speed NE 2 mph
Barometer 30.23 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Sep 8:35 pm EDT
Extended Forecast for

Carson City MI

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North northeast wind 3 to 5 mph.

    Low: 51 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 72. East northeast wind around 8 mph.

    High: 72 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 52. East wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 5pm. High near 63. East wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. East wind around 8 mph. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers before 2pm. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 51. North northeast wind 3 to 5 mph.
Friday
Increasing clouds, with a high near 72. East northeast wind around 8 mph.
Friday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 52. East wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday
Showers, with thunderstorms also possible after 5pm. High near 63. East wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 54. East wind around 8 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
A chance of showers before 2pm. Mostly cloudy, with a high near 61.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carson City MI
 43.18°N 84.84°W (Elev. 758 ft)
Last Update:
8:03 pm EDT Sep 17, 2026
Forecast Valid:
8pm EDT Sep 17, 2026-6pm EDT Sep 24, 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