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

68°F

20°C

Humidity 46%
Wind Speed SW 9 mph
Barometer 30.04 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 10 Oct 11:35 pm EDT
Extended Forecast for

Alanson MI

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South wind around 10 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Southwest wind around 10 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. Calm wind becoming southwest around 5 mph after midnight.

    Low: 54 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 75. Southwest wind 5 to 10 mph becoming east in the morning.

    High: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 51. East wind around 5 mph. Chance of precipitation is 70%.

    Low: 51 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.

    High: 64 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. South wind around 10 mph.
Sunday
Sunny, with a high near 78. Southwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 54. Calm wind becoming southwest around 5 mph after midnight.
Columbus Day
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 75. Southwest wind 5 to 10 mph becoming east in the morning.
Monday Night
Showers likely, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 51. East wind around 5 mph. Chance of precipitation is 70%.
Tuesday
Showers likely before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 70%.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 39.
Friday
A chance of showers. Mostly cloudy, with a high near 58. Breezy.
Friday Night
A chance of showers. Mostly cloudy, with a low around 33. Breezy.
Saturday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alanson MI
 45.44°N 84.79°W (Elev. 604 ft)
Last Update:
11:24 pm EDT Oct 10, 2026
Forecast Valid:
11pm EDT Oct 10, 2026-6pm EDT Oct 17, 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