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

66°F

19°C

Humidity 83%
Wind Speed Vrbl 2 mph
Barometer 29.83 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 27 Aug 2:35 am EDT
Extended Forecast for

Alanson MI

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 62. West wind around 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 72. Northwest wind 5 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Mostly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79.

    High: 79 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 62. West wind around 5 mph.
Thursday
Partly sunny, with a high near 72. Northwest wind 5 to 10 mph.
Thursday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 48. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 73. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49. Calm wind.
Saturday
Partly sunny, with a high near 79.
Saturday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 62.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 79.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Mostly cloudy, with a high near 80.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A chance of showers. Partly sunny, with a high near 80.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 80.
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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 am EDT Aug 27, 2026
Forecast Valid:
2am EDT Aug 27, 2026-6pm EDT Sep 2, 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