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

Hazardous Weather Conditions

Current conditions at

Alma, Gratiot Community Airport (KAMN)

Lat: 43.32°NLon: 84.69°WElev: 751ft.

Overcast

68°F

20°C

Humidity 94%
Wind Speed E 3 mph
Barometer 29.79 in
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Last update 18 Jun 3:15 am EDT
Extended Forecast for

Sumner MI

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 69. West northwest wind around 6 mph.

    Low: 69 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 78. East wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 11pm, then showers likely. Low around 60. East wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    T-storms then
    Showers
    Likely

  • Juneteenth

    Juneteenth: A 30 percent chance of showers, mainly before 8am. Mostly sunny, with a high near 79. West northwest wind 9 to 11 mph.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. West southwest wind 6 to 9 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 69. West northwest wind around 6 mph.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 78. East wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Showers and thunderstorms before 11pm, then showers likely. Low around 60. East wind 8 to 11 mph becoming north northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Juneteenth
A 30 percent chance of showers, mainly before 8am. Mostly sunny, with a high near 79. West northwest wind 9 to 11 mph.
Thursday Night
Mostly clear, with a low around 59. West southwest wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 85.
Friday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 68.
Saturday
A chance of showers before 8am. Mostly sunny and hot, with a high near 93.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 96.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 94.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A chance of showers. Sunny and hot, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sumner MI
 43.31°N 84.83°W (Elev. 768 ft)
Last Update:
3:03 am EDT Jun 18, 2025
Forecast Valid:
3am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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