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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

Mason, Mason Jewett Field Airport (KTEW)

Lat: 42.57°NLon: 84.42°WElev: 919ft.

Overcast

63°F

17°C

Humidity 83%
Wind Speed N 5 mph
Barometer 30.24 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 18 Sep 12:15 am EDT
Extended Forecast for

Mason MI

  • Overnight

    Overnight: Mostly cloudy, with a low around 54. Light northeast wind.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. Northeast wind 5 to 8 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 55. East wind 3 to 8 mph. Winds could gust as high as 18 mph.

    Low: 55 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 8am. High near 65. East southeast wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. East northeast wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Sunday

    Sunday: A 50 percent chance of showers. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers between 8am and 2pm. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. Light northeast wind.
Friday
Mostly sunny, with a high near 72. Northeast wind 5 to 8 mph.
Friday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 55. East wind 3 to 8 mph. Winds could gust as high as 18 mph.
Saturday
Showers, mainly after 8am. High near 65. East southeast wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. East northeast wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
Sunday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 52.
Monday
A chance of showers between 8am and 2pm. Mostly cloudy, with a high near 61.
Monday Night
Mostly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51.
Wednesday
A chance of showers. Partly sunny, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mason MI
 42.59°N 84.43°W (Elev. 922 ft)
Last Update:
12:03 am EDT Sep 18, 2026
Forecast Valid:
12am 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