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.

Heavy Rain

70°F

21°C

Humidity 100%
Wind Speed SW 7 mph
Barometer 30.25 in
Dewpoint 70°F (21°C)
Visibility 5.00 mi
Last update 17 Sep 7:35 am CDT
Extended Forecast for

3 Miles SSE Union Pier MI

  • Today

    Today: Showers and thunderstorms, mainly before 1pm. Patchy fog before 9am. High near 76. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. North wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 75. East wind 5 to 10 mph.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 59. East wind 5 to 10 mph.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 78. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 64 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Monday

    Monday: A 50 percent chance of showers. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before 1pm. Patchy fog before 9am. High near 76. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Mostly cloudy, with a low around 60. North wind around 5 mph.
Friday
Partly sunny, with a high near 75. East wind 5 to 10 mph.
Friday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 59. East wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 78. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 67.
Monday Night
A slight chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Union Pier MI
 41.77°N 86.66°W (Elev. 650 ft)
Last Update:
6:45 am EDT Sep 17, 2026
Forecast Valid:
8am EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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