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

64°F

18°C

Humidity 73%
Wind Speed Vrbl 5 mph
Barometer 29.83 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Oct 1:35 am EDT
Extended Forecast for

Alanson MI

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 61. Southwest wind 5 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly cloudy, with a high near 76. Southwest wind around 5 mph becoming east in the afternoon.

    High: 76 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 51. East wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 51 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm. Mostly cloudy, with a high near 64. Northeast wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45. Northwest wind around 5 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 2pm. Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Showers
    Likely

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 61. Southwest wind 5 to 10 mph.
Columbus Day
Mostly cloudy, with a high near 76. Southwest wind around 5 mph becoming east in the afternoon.
Monday Night
A chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 51. East wind 5 to 10 mph. Chance of precipitation is 80%.
Tuesday
Showers likely and possibly a thunderstorm before 11am, then showers likely between 11am and 2pm. Mostly cloudy, with a high near 64. Northeast wind 5 to 10 mph becoming west in the morning. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 45. Northwest wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 61.
Thursday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 40.
Friday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 53. Breezy.
Friday Night
A chance of showers. Partly cloudy, with a low around 30. Blustery.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 60. Breezy.
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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:
1:46 am EDT Oct 12, 2026
Forecast Valid:
1am EDT Oct 12, 2026-6pm EDT Oct 18, 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