Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91° N Lon: 82.53° W Elev: 636 ft.

NA

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint NA
Visibility NA
Last update *** Not a current observation ***
Detailed forecast for

St. Clair County

Tonight
Windy. Cloudy with scattered flurries. Near steady temperature in the lower 20s. Northwest winds 15 to 30 mph with gusts up to 45 mph.
Tuesday
Breezy, cloudy. A chance of snow in the afternoon. Highs in the mid 20s. West winds 10 to 25 mph. Chance of snow 30 percent.
Tuesday Night
Cloudy. Snow in the evening, then a chance of snow after midnight. Accumulations around an inch. Near steady temperature in the lower 20s. West winds 5 to 15 mph with gusts up to 25 mph. Chance of snow 90 percent.
Wednesday
A chance of snow in the morning, then snow in the afternoon. Highs in the mid 20s. West winds 5 to 15 mph with gusts up to 25 mph. Chance of snow 80 percent.
Wednesday Night
Partly cloudy. Lows around 10 above. Northwest winds 5 to 15 mph with gusts up to 25 mph. Wind chill readings 5 below to 5 above zero.
New Years Day
Partly cloudy. Highs around 20. Wind chill readings 5 below to 5 above zero.
Thursday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 10 above. Wind chill readings zero to 10 above zero.
Friday
Mostly cloudy. Highs in the mid 20s. Wind chill readings zero to 10 above zero.
Friday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 15.
Saturday
Mostly cloudy. Highs in the upper 20s.
Saturday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows around 15.
Sunday
Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 20s.
Sunday Night
Mostly cloudy. Lows around 20.
Monday
Mostly cloudy. Highs in the mid 30s.



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321 PM EST Mon Dec 29 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database