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.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 46°F (8°C)
Visibility 0.75 mi
Last update 1 Sep 7:35 am EDT
Extended Forecast for

3 Miles S Lexington MI

  • Labor Day

    Labor Day: Sunny, with a high near 70. Calm wind becoming northeast 5 to 7 mph in the morning.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Northeast wind 5 to 7 mph becoming light and variable after midnight.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. East southeast wind 6 to 9 mph becoming south after midnight.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. South wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.

    Low: 56 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Labor Day
Sunny, with a high near 70. Calm wind becoming northeast 5 to 7 mph in the morning.
Tonight
Mostly clear, with a low around 55. Northeast wind 5 to 7 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 59. East southeast wind 6 to 9 mph becoming south after midnight.
Wednesday
Sunny, with a high near 77. South wind 9 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. Chance of precipitation is 60%.
Thursday Night
A chance of showers before 8pm. Partly cloudy, with a low around 50.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 62.
Friday Night
A chance of showers before 2am. Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Lexington MI
 43.21°N 82.52°W (Elev. 600 ft)
Last Update:
5:13 am EDT Sep 1, 2025
Forecast Valid:
7am EDT Sep 1, 2025-6pm EDT Sep 7, 2025
 
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