Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
64°F
18°C
| Humidity | 88% |
| Wind Speed | S 3 mph |
| Barometer | 29.82 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 8:35 pm EDT |
Extended Forecast for
Saint Clair MI
Flood Watch April 15, 08:43pm until April 17, 02:00am
NOW until 2:00am Fri

Flood Watch
Tonight

Low: 60 °F
Showers
Thursday

High: 70 °F
Showers
Thursday Night
Low: 46 °F
Showers
Likely then
Mostly CloudyFriday

High: 66 °F
Partly Sunny
Friday Night
Low: 51 °F
Partly Cloudy
then Chance
ShowersSaturday

High: 66 °F
Showers
Saturday Night
Low: 36 °F
Showers
Likely then
Chance
ShowersSunday

High: 46 °F
Mostly Sunny
Detailed Forecast
Tonight
Showers and thunderstorms likely before 11pm, then showers and possibly a thunderstorm between 11pm and 3am, then a chance of showers and thunderstorms after 3am. Low around 60. South southwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 70. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 46. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 66. Light and variable wind becoming east around 5 mph in the afternoon.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 51. South southeast wind 6 to 9 mph. Chance of precipitation is 40%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 66. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST
Point Forecast:
Saint Clair MI
42.82°N 82.48°W (Elev. 577 ft)
42.82°N 82.48°W (Elev. 577 ft)
4:49 pm EDT Apr 15, 2026
8pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026



