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.

Fog/Mist

72°F

22°C

Humidity 94%
Wind Speed N 1 mph
Barometer 29.87 in
Dewpoint 70°F (21°C)
Visibility 4.00 mi
Last update 2 Sep 12:35 am EDT
Extended Forecast for

Alanson MI

  • Overnight

    Overnight: A 20 percent chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. West wind around 5 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 57. West wind around 5 mph becoming calm.

    Low: 57 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. West wind around 5 mph. Chance of precipitation is 30%.
Wednesday Night
A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 57. West wind around 5 mph becoming calm.
Thursday
Partly sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 56. Calm wind.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
A chance of showers. Partly cloudy, with a low around 57.
Labor Day
A chance of showers. Partly sunny, with a high near 74.
Monday Night
Mostly cloudy, with a low around 53.
Tuesday
Partly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alanson MI
 45.44°N 84.79°W (Elev. 604 ft)
Last Update:
12:11 am EDT Sep 2, 2026
Forecast Valid:
12am EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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