National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Selfridge Air National Guard Base (KMTC)

Lat: 42.6°NLon: 82.84°WElev: 577ft.

Mostly Cloudy

67°F

19°C

Humidity 92%
Wind Speed N 3 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 19 Aug 6:56 am EDT
Extended Forecast for

Harsens Island MI

  • Today

    Today: Mostly sunny, with a high near 79. Northwest wind around 7 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy during the morning, then sunny during the afternoon, with a high near 79. Calm wind becoming northeast around 5 mph.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. East northeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the morning.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 62.

    Low: 62 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Northwest wind around 7 mph.
Tonight
Mostly cloudy, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy during the morning, then sunny during the afternoon, with a high near 79. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 59. East northeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 80. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harsens Island MI
 42.58°N 82.57°W (Elev. 577 ft)
Last Update:
4:24 am EDT Aug 19, 2026
Forecast Valid:
8am EDT Aug 19, 2026-6pm EDT Aug 25, 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