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

48°F

9°C

Humidity 66%
Wind Speed NE 6 mph
Barometer 30.26 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 15 Oct 12:15 am EDT
Extended Forecast for

Alanson MI

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. North wind around 5 mph becoming calm.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 10 percent chance of rain after 5pm. Mostly cloudy, with a high near 59. Southeast wind 5 to 10 mph.

    High: 59 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 7pm. Low around 40. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%.

    Low: 40 °F

    Rain

  • Friday

    Friday: Showers before 7am, then rain between 7am and 8am, then showers after 8am. High near 53. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 53 °F

    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 29. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 29 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. North wind around 5 mph becoming calm.
Thursday
A 10 percent chance of rain after 5pm. Mostly cloudy, with a high near 59. Southeast wind 5 to 10 mph.
Thursday Night
Rain, mainly after 7pm. Low around 40. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%.
Friday
Showers before 7am, then rain between 7am and 8am, then showers after 8am. High near 53. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 29. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
Sunny, with a high near 56.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 43.
Monday
Mostly sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 69.
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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:
12:11 am EDT Oct 15, 2026
Forecast Valid:
12am EDT Oct 15, 2026-6pm EDT Oct 21, 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