National Weather Service

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

30°C

86°F

Humidity	59%
Wind Speed	S 9 km/h
Barometer	29.99 in
Dewpoint	21°C (70°F)
Visibility	16 km
Heat Index	33°C (91°F)
Last update	17 Jun 3:15 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Port Huron MI

Heat Advisory until June 21, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory until June 21, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
This Afternoon
High: 33 °C
Chance
T-storms
Tonight
Low: 21 °C
Chance
T-storms
Tuesday
High: 33 °C
Mostly Sunny
Tuesday Night
Low: 22 °C
Mostly Cloudy
Juneteenth
High: 34 °C
Hot
Wednesday Night
Low: 21 °C
Mostly Cloudy
Thursday
High: 32 °C
Mostly Sunny
Thursday Night
Low: 19 °C
Mostly Cloudy

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms. Mostly sunny, with a high near 33. South southwest wind around 21 km/h, with gusts as high as 34 km/h. Chance of precipitation is 30%.

Tonight

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 21. South wind 8 to 11 km/h. Chance of precipitation is 30%.

Tuesday

Mostly sunny, with a high near 33. South southwest wind 10 to 18 km/h, with gusts as high as 32 km/h.

Tuesday Night

Mostly cloudy, with a low around 22. South wind 10 to 14 km/h.

Juneteenth

Partly sunny and hot, with a high near 34. Southwest wind 8 to 13 km/h.

Wednesday Night

Mostly cloudy, with a low around 21.

Thursday

Mostly sunny, with a high near 32.