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

Michigan City Municipal Airport (KMGC)

Lat: 41.7°NLon: 86.82°WElev: 655ft.

Overcast

63°F

17°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.23 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Sep 3:15 am CDT
Extended Forecast for

Grand Beach MI

  • Today

    Today: Partly sunny, with a high near 71. Northeast wind around 10 mph.

    High: 71 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 60. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 71. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 71 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 63. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers. Partly sunny, with a high near 63.

    High: 63 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 71. Northeast wind around 10 mph.
Tonight
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 60. East wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 71. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 63. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Monday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Beach MI
 41.78°N 86.8°W (Elev. 577 ft)
Last Update:
2:45 am EDT Sep 18, 2026
Forecast Valid:
4am EDT Sep 18, 2026-6pm EDT Sep 24, 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