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

59°F

15°C

Humidity 82%
Wind Speed NW 2 mph
Barometer 29.92 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 10 Sep 6:35 am EDT
Extended Forecast for

Alanson MI

  • Today

    Today: Sunny, with a high near 71. Light and variable wind becoming northwest 5 to 10 mph in the morning.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Patchy fog between midnight and 3am. Otherwise, clear, with a low around 45. West wind around 5 mph becoming calm.

    Low: 45 °F

    Clear then
    Patchy Fog

  • Friday

    Friday: Sunny, with a high near 79. Southwest wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 71. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Tonight
Patchy fog between midnight and 3am. Otherwise, clear, with a low around 45. West wind around 5 mph becoming calm.
Friday
Sunny, with a high near 79. Southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 58. South wind around 5 mph.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. South wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 49.
Monday
A chance of showers. Mostly sunny, with a high near 70.
Monday Night
Showers before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Mostly cloudy, with a low around 56.
Tuesday
A chance of showers. Mostly cloudy, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 70.
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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:
6:11 am EDT Sep 10, 2026
Forecast Valid:
6am EDT Sep 10, 2026-6pm EDT Sep 16, 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