Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fog/Mist

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 63°F (17°C)
Visibility 4.00 mi
Last update 21 Jun 12:55 am EDT
Extended Forecast for

2 Miles SSW Columbus MI

Extreme Heat Watch June 22, 08:00am until June 24, 08:00pm
Heat Advisory June 21, 02:00pm until June 22, 08:00am
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory
  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am.  Mostly cloudy, with a low around 65. South wind around 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 10am.  Cloudy through mid morning, then gradual clearing, with a high near 90. South wind 7 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 96. Heat index values as high as 103. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 96 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Southwest wind around 8 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 65. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers and thunderstorms between 8am and 10am. Cloudy through mid morning, then gradual clearing, with a high near 90. South wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly clear, with a low around 76. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny and hot, with a high near 96. Heat index values as high as 103. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 73. Southwest wind around 8 mph.
Monday
Sunny and hot, with a high near 96.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Columbus MI
 42.83°N 82.71°W (Elev. 659 ft)
4:24 pm EDT Jun 20, 2025
1am EDT Jun 21, 2025-6pm EDT Jun 27, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database