


Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Partly Cloudy
64°F
18°C
Humidity | 100% |
Wind Speed | Calm |
Barometer | 30.00 in |
Dewpoint | 64°F (18°C) |
Visibility | 10.00 mi |
Last update | 21 Jun 5:16 am EDT |
Extended Forecast for
3 Miles N Fort Gratiot 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: 65 °F
Chance
T-stormsSaturday
High: 86 °F
Showers
Likely then
Partly SunnySaturday Night
Low: 76 °F
Mostly Clear
Sunday
High: 92 °F
Sunny
Sunday Night
Low: 74 °F
Mostly Clear
Monday
High: 92 °F
Sunny
Monday Night
Low: 71 °F
Mostly Clear
Tuesday
High: 82 °F
Mostly Sunny
then Chance
T-stormsTuesday Night
Low: 63 °F
Chance
T-storms then
Chance
Showers
Detailed Forecast
Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. 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 76. Southwest wind around 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 around 14 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 74. Southwest wind around 10 mph.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 71.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 80.
Thursday Night
Showers likely. Mostly cloudy, with a low around 66.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 78.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles N Fort Gratiot MI
43.12°N 82.5°W (Elev. 600 ft)
43.12°N 82.5°W (Elev. 600 ft)
4:24 am EDT Jun 21, 2025
5am EDT Jun 21, 2025-6pm EDT Jun 27, 2025