National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

68°F

20°C

Humidity 60%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 11 Sep 7:15 pm EDT
Extended Forecast for

3 Miles ENE Melvin MI

  • Tonight

    Tonight: Mostly clear, with a low around 55. South southeast wind 3 to 5 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 82. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 82 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. South southwest wind around 6 mph becoming west northwest after midnight.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Light north northwest wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. North northwest wind 6 to 9 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 8am. Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 55. South southeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 82. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 62. South southwest wind around 6 mph becoming west northwest after midnight.
Sunday
Partly sunny, with a high near 76. Light north northwest wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 50. North northwest wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 69.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
A chance of showers after 8am. Mostly cloudy, with a high near 78.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 61.
Wednesday
A chance of showers. Mostly cloudy, with a high near 71.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 58.
Thursday
Showers likely. Mostly cloudy, with a high near 72.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 54.
Friday
A chance of showers. Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Melvin MI
 43.19°N 82.82°W (Elev. 850 ft)
Last Update:
4:24 pm EDT Sep 11, 2026
Forecast Valid:
7pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation