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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats continue for portions of the central U.S., with impactful flash flooding possible from southern Kansas to southwestern Missouri. Extremely Critical fire weather conditions will develop across the Great Basin and Southwest on Friday, with dry and windy conditions through the weekend. Dangerous heat will increase across the southern and central U.S. this weekend. Read More >

Current conditions at

Mason, Mason Jewett Field Airport (KTEW)

Lat: 42.57°NLon: 84.42°WElev: 919ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Onondaga MI

  • Tonight

    Tonight: Increasing clouds, with a low around 54. West northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Friday

    Friday: A 10 percent chance of showers after 5pm. Partly sunny, with a high near 73. Calm wind becoming northeast around 5 mph.

    High: 73 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly between 8pm and 10pm. Mostly cloudy, with a low around 58. East wind 3 to 5 mph.

    Low: 58 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Northeast wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. Light northeast wind.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 54. West northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Friday
A 10 percent chance of showers after 5pm. Partly sunny, with a high near 73. Calm wind becoming northeast around 5 mph.
Friday Night
A 30 percent chance of showers, mainly between 8pm and 10pm. Mostly cloudy, with a low around 58. East wind 3 to 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Northeast wind 6 to 8 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 58. Light northeast wind.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny and hot, with a high near 91.
Monday Night
Partly cloudy, with a low around 71.
Tuesday
Sunny and hot, with a high near 95.
Tuesday Night
Mostly clear, with a low around 73.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny and hot, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Onondaga MI
 42.45°N 84.53°W (Elev. 925 ft)
Last Update:
8:03 pm EDT Jun 25, 2026
Forecast Valid:
8pm EDT Jun 25, 2026-6pm EDT Jul 2, 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