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 much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Overcast

59°F

15°C

Humidity 94%
Wind Speed E 2 mph
Barometer 30.28 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 Sep 2:55 am EDT
Extended Forecast for

4 Miles SSE Sumner MI

  • Overnight

    Overnight: A 30 percent chance of showers. Mostly cloudy, with a low around 57. Light east northeast wind.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 73. Northeast wind around 7 mph.

    High: 73 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. East northeast wind around 5 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 74. East northeast wind 6 to 9 mph.

    High: 74 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Showers likely after 2am. Mostly cloudy, with a low around 53. East wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 53 °F

    Mostly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: Showers. High near 65. Chance of precipitation is 100%.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 57. Light east northeast wind.
Thursday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 73. Northeast wind around 7 mph.
Thursday Night
Partly cloudy, with a low around 49. East northeast wind around 5 mph becoming calm in the evening.
Friday
Increasing clouds, with a high near 74. East northeast wind 6 to 9 mph.
Friday Night
Showers likely after 2am. Mostly cloudy, with a low around 53. East wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
Showers. High near 65. Chance of precipitation is 100%.
Saturday Night
Showers, mainly before 2am. Low around 54. Chance of precipitation is 80%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly cloudy, with a high near 63.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
Partly sunny, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 51.
Wednesday
Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Sumner MI
 43.24°N 84.78°W (Elev. 794 ft)
Last Update:
2:21 am EDT Sep 17, 2026
Forecast Valid:
3am EDT Sep 17, 2026-6pm EDT Sep 23, 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