


Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Light Rain
70°F
21°C
Humidity | 88% |
Wind Speed | Calm |
Barometer | 30.04 in |
Dewpoint | 66°F (19°C) |
Visibility | 10.00 mi |
Last update | 21 Jun 9:56 am EDT |
Extended Forecast for
3 Miles WNW Port Huron MI
Extreme Heat Watch June 22, 08:00am until June 24, 08:00pm
Heat Advisory June 21, 02:00pm until June 22, 08:00am
Today
High: 88 °F
Showers
Likely then
Slight Chance
ShowersTonight
Low: 76 °F
Mostly Clear
Sunday
High: 94 °F
Hot
Sunday Night
Low: 74 °F
Clear
Monday
High: 94 °F
Hot
Monday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 86 °F
Mostly Sunny
then Chance
T-stormsTuesday Night
Low: 62 °F
Chance
T-storms then
Chance
ShowersWednesday
High: 81 °F
Partly Sunny
then Chance
T-storms
Detailed Forecast
Today
Showers likely and possibly a thunderstorm before 11am, then a slight chance of showers between 11am and 2pm. Partly sunny, with a high near 88. South wind 9 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Mostly clear, with a low around 76. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Sunday
Sunny and hot, with a high near 94. Heat index values as high as 102. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 74. Southwest wind around 7 mph.
Monday
Sunny and hot, with a high near 94. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 62.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Thursday Night
Showers likely. Mostly cloudy, with a low around 67.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Port Huron MI
42.99°N 82.49°W (Elev. 627 ft)
42.99°N 82.49°W (Elev. 627 ft)
4:24 am EDT Jun 21, 2025
10am EDT Jun 21, 2025-6pm EDT Jun 27, 2025