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

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

84°F

29°C

Humidity 66%
Wind Speed S 17 G 24 mph
Barometer 29.92 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Jun 3:55 pm EDT
Extended Forecast for

3 Miles N Avoca MI

Heat Advisory June 21, 04:05pm until June 24, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 21, 04:05pm until June 24, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Heat index values as high as 103. West southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Southwest wind around 8 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 90. South wind around 17 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 77. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 95. Heat index values as high as 103. West southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 74. Southwest wind around 8 mph.
Monday
Sunny and hot, with a high near 96. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Avoca MI
 43.09°N 82.68°W (Elev. 751 ft)
Last Update:
2:49 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

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