


Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fog/Mist
64°F
18°C
Humidity | 94% |
Wind Speed | Calm |
Barometer | 30.01 in |
Dewpoint | 63°F (17°C) |
Visibility | 5.00 mi |
Last update | 20 Jun 11:35 pm EDT |
Extended Forecast for
4 Miles S Port Sanilac MI
Extreme Heat Watch June 22, 08:00am until June 24, 08:00pm
Heat Advisory June 21, 02:00pm until June 22, 08:00am
Tonight
Low: 65 °F
Showers
LikelySaturday
High: 88 °F
Showers
Likely then
Mostly Sunny
and BreezySaturday Night
Low: 77 °F
Mostly Clear
Sunday
High: 93 °F
Sunny
Sunday Night
Low: 74 °F
Mostly Clear
Monday
High: 93 °F
Sunny
Monday Night
Low: 70 °F
Mostly Clear
Tuesday
High: 82 °F
Mostly Sunny
then Chance
T-stormsTuesday Night
Low: 62 °F
Chance
T-storms then
Chance
Showers
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 3am, then showers likely between 3am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 65. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 11am. Cloudy, then gradually becoming mostly sunny, with a high near 88. Breezy, with a south wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 28 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. South southwest wind around 15 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 93. Heat index values as high as 100. Southwest wind around 15 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 74. Southwest wind around 11 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 70.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am. Partly cloudy, with a low around 62.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
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ABOUT THIS FORECAST
Point Forecast:
4 Miles S Port Sanilac MI
43.37°N 82.56°W (Elev. 650 ft)
43.37°N 82.56°W (Elev. 650 ft)
4:24 pm EDT Jun 20, 2025
11pm EDT Jun 20, 2025-6pm EDT Jun 27, 2025