Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fog
43°F
6°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 29.97 in |
| Dewpoint | 41°F (5°C) |
| Visibility | 0.50 mi |
| Last update | 17 Apr 6:15 am EDT |
Extended Forecast for
2 Miles S Fort Gratiot MI
Dense Fog Advisory until April 17, 10:00am
NOW until 10:00am Fri
Dense Fog Advisory
Today
High: 64 °F
Dense Fog
then Mostly
SunnyTonight
Low: 50 °F
Partly Cloudy
then Showers
LikelySaturday
High: 63 °F⇓
Showers
Saturday Night
Low: 34 °F
Chance
ShowersSunday
High: 45 °F
Mostly Sunny
then Chance
Rain/SnowSunday Night
Low: 27 °F
Chance Snow
Showers then
Partly CloudyMonday
High: 42 °F
Mostly Sunny
Monday Night
Low: 32 °F
Partly Cloudy
Detailed Forecast
Today
Widespread dense fog, mainly before 8am. Otherwise, partly sunny, with a high near 64. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 50. South southeast wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm. Temperature rising to near 63 by 11am, then falling to around 54 during the remainder of the day. South wind around 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 34. West northwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow showers after 2pm. Partly sunny, with a high near 45. West wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Sunday Night
A chance of snow showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 27. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 64.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles S Fort Gratiot MI
43.04°N 82.48°W (Elev. 620 ft)
43.04°N 82.48°W (Elev. 620 ft)
4:24 am EDT Apr 17, 2026
6am EDT Apr 17, 2026-6pm EDT Apr 23, 2026
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