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

70°F

21°C

Humidity 46%
Wind Speed Vrbl 2 mph
Barometer 30.34 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Sep 6:15 pm EDT
Extended Forecast for

Alanson MI

  • Tonight

    Tonight: A 30 percent chance of showers after 5am. Increasing clouds, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.

    High: 73 °F

    Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. North wind around 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65. East wind around 5 mph.

    High: 65 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly after 2am. Cloudy, with a low around 46. East wind around 5 mph.

    Low: 46 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers after 5am. Increasing clouds, with a low around 47. Calm wind.
Thursday
A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. North wind around 5 mph.
Friday
Partly sunny, with a high near 65. East wind around 5 mph.
Friday Night
A 50 percent chance of showers, mainly after 2am. Cloudy, with a low around 46. East wind around 5 mph.
Saturday
Showers likely, mainly between 8am and 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly cloudy, with a high near 64.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alanson MI
 45.46°N 84.78°W (Elev. 689 ft)
Last Update:
6:11 pm EDT Sep 16, 2026
Forecast Valid:
6pm EDT Sep 16, 2026-6pm EDT Sep 23, 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