Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
54°F
12°C
| Humidity | 58% |
| Wind Speed | S 6 mph |
| Barometer | 29.94 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 52°F (11°C) |
| Last update | 15 May 11:15 pm EDT |
Extended Forecast for
Casco MI
Tonight

Low: 52 °F
Mostly Clear
Saturday
High: 79 °F
Showers
Likely then
Chance
ShowersSaturday Night

Low: 53 °F
Partly Cloudy
Sunday

High: 76 °F
Partly Sunny
Sunday Night

Low: 59 °F
Mostly Cloudy
Monday

High: 88 °F
Sunny
Monday Night
Low: 65 °F
Partly Cloudy
then Chance
T-stormsTuesday
High: 82 °F
Chance
T-storms then
Showers
LikelyTuesday Night

Low: 58 °F
Showers
Likely
Detailed Forecast
Tonight
Mostly clear, with a low around 52. South wind around 8 mph.
Saturday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 79. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 53. West wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Partly sunny, with a high near 76. Light and variable wind becoming southeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 59. South southeast wind 6 to 9 mph.
Monday
Sunny, with a high near 88.
Monday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 58.
Wednesday
A chance of showers before 8am. Partly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST
Point Forecast:
Casco MI
42.74°N 82.67°W (Elev. 630 ft)
42.74°N 82.67°W (Elev. 630 ft)
9:49 pm EDT May 15, 2026
11pm EDT May 15, 2026-6pm EDT May 22, 2026



