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

61°F

16°C

Humidity 72%
Wind Speed NE 6 mph
Barometer 30.10 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 28 Aug 10:35 pm EDT
Extended Forecast for

Alanson MI

  • Tonight

    Tonight: Patchy fog between midnight and 2am. Otherwise, mostly clear, with a low around 52. Calm wind becoming south around 5 mph.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: A 10 percent chance of showers after 4pm. Increasing clouds, with a high near 79. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly between midnight and 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. South wind around 5 mph. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind around 5 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 2pm. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog between midnight and 2am. Otherwise, mostly clear, with a low around 52. Calm wind becoming south around 5 mph.
Saturday
A 10 percent chance of showers after 4pm. Increasing clouds, with a high near 79. West wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Showers likely, mainly between midnight and 1am. Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. South wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind around 5 mph. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 83.
Monday Night
A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 67.
Tuesday
A chance of showers before 2pm. Partly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alanson MI
 45.46°N 84.78°W (Elev. 689 ft)
Last Update:
10:11 pm EDT Aug 28, 2026
Forecast Valid:
10pm EDT Aug 28, 2026-6pm EDT Sep 4, 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