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

Harbor Springs, Harbor Springs Airport (KMGN)

Lat: 45.43°NLon: 84.91°WElev: 686ft.

Overcast

67°F

19°C

Humidity 90%
Wind Speed SW 3 mph
Barometer 29.89 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 26 Jul 2:55 am EDT
Extended Forecast for

Alanson MI

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 82. West wind 5 to 10 mph.

    High: 82 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 64. West wind around 5 mph becoming south after midnight. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 60%.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Mostly cloudy, with a low around 60. North wind around 5 mph. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 63. Calm wind.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 82. West wind 5 to 10 mph.
Sunday Night
A chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 64. West wind around 5 mph becoming south after midnight. Chance of precipitation is 60%.
Monday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Southwest wind around 5 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Mostly cloudy, with a low around 60. North wind around 5 mph. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Clear, with a low around 55.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alanson MI
 45.44°N 84.79°W (Elev. 604 ft)
Last Update:
2:24 am EDT Jul 26, 2026
Forecast Valid:
3am EDT Jul 26, 2026-6pm EDT Aug 1, 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