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
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  • Tonight

    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.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    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.

    High: 88 °F

    Showers
    Likely then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77. South southwest wind around 15 mph, with gusts as high as 26 mph.

    Low: 77 °F

    Mostly Clear

  • Sunday

    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.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Southwest wind around 11 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers after 2am.  Partly cloudy, with a low around 62.

    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)
4:24 pm EDT Jun 20, 2025
11pm EDT Jun 20, 2025-6pm EDT Jun 27, 2025
 
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Additional Resources

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