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

MBS International Airport (KMBS)

Lat: 43.53°NLon: 84.08°WElev: 656ft.

Fair

78°F

26°C

Humidity 42%
Wind Speed Vrbl 3 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 3 Aug 2:53 pm EDT
Extended Forecast for

Saint Charles MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. Light north wind.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. South southeast wind 3 to 5 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. South southwest wind 5 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers after 8pm. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. Light north wind.
Tonight
Mostly clear, with a low around 57. South southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 87. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 62. South southwest wind 5 to 7 mph.
Wednesday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms, then showers after 8pm. Low around 62. Chance of precipitation is 80%.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 80. Chance of precipitation is 80%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Charles MI
 43.29°N 84.15°W (Elev. 591 ft)
Last Update:
2:35 pm EDT Aug 3, 2026
Forecast Valid:
3pm EDT Aug 3, 2026-6pm EDT Aug 9, 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