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

Hazardous Weather Conditions

Current conditions at

Mason, Mason Jewett Field Airport (KTEW)

Lat: 42.57°NLon: 84.42°WElev: 919ft.

Partly Cloudy

90°F

32°C

Humidity 62%
Wind Speed S 9 G 18 mph
Barometer 29.87 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 21 Jun 4:35 pm EDT
Extended Forecast for

5 Miles NNE Onondaga MI

Heat Advisory June 21, 04:43pm until June 22, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 21, 04:43pm until June 22, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 91 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 76. Southwest wind 13 to 16 mph, with gusts as high as 28 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 94. Heat index values as high as 101. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 94 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 74. Southwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 94. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 94 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Mostly sunny and hot, with a high near 93.

    High: 93 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 91. Heat index values as high as 97. South southwest wind around 18 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 76. Southwest wind 13 to 16 mph, with gusts as high as 28 mph.
Sunday
Sunny and hot, with a high near 94. Heat index values as high as 101. Southwest wind 11 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 74. Southwest wind around 10 mph, with gusts as high as 18 mph.
Monday
Sunny and hot, with a high near 94. Southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny and hot, with a high near 93.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 68.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 68.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Onondaga MI
 42.51°N 84.53°W (Elev. 922 ft)
Last Update:
4:03 pm EDT Jun 21, 2025
Forecast Valid:
4pm EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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