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.

Fair

72°F

22°C

Humidity 78%
Wind Speed SW 2 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 9:35 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

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms before 9am. 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 31 mph.

    High: 92 °F

    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. Heat index values as high as 98. 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. Southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

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

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of showers and thunderstorms before 9am. 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 31 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. Heat index values as high as 98. West southwest wind 14 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Clear, with a low around 74. Southwest wind around 10 mph, with gusts as high as 22 mph.
Monday
Sunny and hot, with a high near 94.
Monday Night
Mostly clear, with a low around 72.
Tuesday
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 before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. 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. Partly sunny, with a high near 85.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Riverdale MI
 43.38°N 84.82°W (Elev. 827 ft)
Last Update:
9:03 pm EDT Jun 20, 2025
Forecast Valid:
9pm EDT Jun 20, 2025-6pm EDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation