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

Hazardous Weather Conditions

Current conditions at

MBS International Airport (KMBS)

Lat: 43.53°NLon: 84.08°WElev: 656ft.

A Few Clouds

87°F

31°C

Humidity 65%
Wind Speed SW 7 mph
Barometer 29.95 in (1013.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 1 Sep 1:53 pm EDT
Extended Forecast for

Saint Charles MI

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 8 mph. Chance of precipitation is 10%.

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West southwest wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Light west southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    High: 92 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely. Partly cloudy, with a low around 68. West wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 85. West northwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind around 8 mph. Chance of precipitation is 10%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. West southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Light west southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 68. West wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 85. West northwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 59.
Labor Day
Mostly sunny, with a high near 79.
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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:
12:13 pm EDT Sep 1, 2026
Forecast Valid:
2pm EDT Sep 1, 2026-6pm EDT Sep 7, 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