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

75°F

24°C

Humidity 78%
Wind Speed S 10 mph
Barometer 29.95 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Jun 4:15 pm EDT
Extended Forecast for

Riverdale MI

Heat Advisory June 21, 12:00pm until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 80 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between midnight and 4am. Mostly cloudy, with a low around 68. South wind 5 to 8 mph.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 10 percent chance of showers and thunderstorms before 7am. Partly sunny and hot, with a high near 92. Heat index values as high as 97. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 32 mph.

    High: 92 °F

    Slight Chance
    T-storms then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 78. Southwest wind 14 to 16 mph, with gusts as high as 29 mph.

    Low: 78 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 94. West southwest wind 14 to 16 mph, with gusts as high as 28 mph.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 93.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 8am, then a chance of showers after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between midnight and 4am. Mostly cloudy, with a low around 68. South wind 5 to 8 mph.
Saturday
A 10 percent chance of showers and thunderstorms before 7am. Partly sunny and hot, with a high near 92. Heat index values as high as 97. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 78. Southwest wind 14 to 16 mph, with gusts as high as 29 mph.
Sunday
Sunny and hot, with a high near 94. West southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 74.
Monday
Sunny and hot, with a high near 93.
Monday Night
A chance of showers after 2am. Mostly clear, with a low around 72.
Tuesday
A chance of showers before 8am, then a chance of showers after 2pm. Mostly sunny, with a high near 88.
Tuesday Night
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 65.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riverdale MI
 43.4°N 84.82°W (Elev. 850 ft)
Last Update:
4:03 pm EDT Jun 20, 2025
Forecast Valid:
4pm EDT Jun 20, 2025-6pm EDT Jun 26, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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