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.

Freezing Fog

30°F

-1°C

Humidity 93%
Wind Speed Calm
Barometer 30.29 in
Dewpoint 28°F (-2°C)
Visibility 0.15 mi
Last update 4 Mar 9:35 am EST
Extended Forecast for

Port Huron MI

Dense Fog Advisory until March 4, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until March 4, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 32. Light east northeast wind. Chance of precipitation is 30%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 42. East northeast wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am. Cloudy, with a low around 36. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 56. South wind 3 to 8 mph.

    High: 56 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain likely and possibly a thunderstorm before 10pm, then rain likely between 10pm and 4am, then rain likely and possibly a thunderstorm after 4am. Cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: Rain and possibly a thunderstorm. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 46. Light south southeast wind.
Tonight
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 32. Light east northeast wind. Chance of precipitation is 30%.
Thursday
Rain, mainly after 1pm. High near 42. East northeast wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain before 1am. Cloudy, with a low around 36. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 56. South wind 3 to 8 mph.
Friday Night
Rain likely and possibly a thunderstorm before 10pm, then rain likely between 10pm and 4am, then rain likely and possibly a thunderstorm after 4am. Cloudy, with a low around 50. Chance of precipitation is 70%.
Saturday
Rain and possibly a thunderstorm. High near 62. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 47.
Tuesday
A chance of rain. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Huron MI
 42.99°N 82.43°W (Elev. 600 ft)
Last Update:
3:24 am EST Mar 4, 2026
Forecast Valid:
9am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
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