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.

Fair

77°F

25°C

Humidity 36%
Wind Speed SW 9 mph
Barometer 29.99 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 11 Sep 2:55 pm EDT
Extended Forecast for

Alanson MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Southwest wind around 10 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 79. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 79 °F

    Partly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 67. West wind 5 to 15 mph.

    High: 67 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Showers

  • Tuesday

    Tuesday: Showers, mainly before 8am. Mostly cloudy, with a high near 72.

    High: 72 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Southwest wind around 10 mph.
Tonight
Partly cloudy, with a low around 57. South wind around 5 mph.
Saturday
Showers likely and possibly a thunderstorm, mainly after 2pm. Increasing clouds, with a high near 79. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 67. West wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 70.
Monday Night
Showers. Mostly cloudy, with a low around 51.
Tuesday
Showers, mainly before 8am. Mostly cloudy, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 50.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alanson MI
 45.44°N 84.79°W (Elev. 604 ft)
Last Update:
2:24 pm EDT Sep 11, 2026
Forecast Valid:
2pm EDT Sep 11, 2026-6pm EDT Sep 17, 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