


Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Mostly Cloudy
64°F
18°C
Humidity | 100% |
Wind Speed | Calm |
Barometer | 29.99 in |
Dewpoint | 64°F (18°C) |
Visibility | 10.00 mi |
Last update | 21 Jun 4:35 am EDT |
Extended Forecast for
4 Miles N 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
Overnight
Low: 66 °F
Chance
T-stormsSaturday
High: 86 °F
Showers
Likely then
Partly SunnySaturday Night
Low: 77 °F
Mostly Clear
Sunday
High: 92 °F
Sunny
Sunday Night
Low: 74 °F
Clear
Monday
High: 91 °F
Sunny
Monday Night
Low: 72 °F
Mostly Clear
Tuesday
High: 83 °F
Mostly Sunny
then Chance
T-stormsTuesday Night
Low: 64 °F
Chance
T-storms then
Chance
Showers
Detailed Forecast
Overnight
A slight chance of showers, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 66. South wind around 7 mph. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 11am. Partly sunny, with a high near 86. South wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Mostly clear, with a low around 77. Southwest wind 13 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 92. Heat index values as high as 100. Southwest wind 11 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 74. Southwest wind around 9 mph.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
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 64.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Thursday Night
Showers likely. Mostly cloudy, with a low around 67.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles N Port Huron MI
43.03°N 82.45°W (Elev. 597 ft)
43.03°N 82.45°W (Elev. 597 ft)
4:24 am EDT Jun 21, 2025
4am EDT Jun 21, 2025-6pm EDT Jun 27, 2025