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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

82°F

28°C

Humidity 62%
Wind Speed W 5 mph
Barometer 29.96 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Jul 12:16 pm EDT
Extended Forecast for

Saint Clair MI

  • This
    Afternoon

    This Afternoon: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 86. West southwest wind around 9 mph.  Chance of precipitation is 30%.

    Chance
    T-storms

    High: 86 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Calm wind becoming north northwest around 5 mph after midnight.

    Partly Cloudy

    Low: 64 °F

  • Friday

    Friday: Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    Mostly Sunny

    High: 84 °F

  • Friday
    Night

    Friday Night: A chance of showers after 2am.  Increasing clouds, with a low around 65. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Mostly Cloudy
    then Chance
    Showers

    Low: 65 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.  Cloudy, with a high near 81. Southeast wind 5 to 7 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers
    Likely

    High: 81 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 68 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Partly sunny, with a high near 82. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 82 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

  • Monday

    Monday: Mostly sunny, with a high near 76.

    Mostly Sunny

    High: 76 °F

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. West southwest wind around 9 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 64. Calm wind becoming north northwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A chance of showers after 2am. Increasing clouds, with a low around 65. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 81. Southeast wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Mostly sunny, with a high near 80.
Click Map For Forecast
Point Forecast:
Saint Clair MI
 42.82°N 82.48°W (Elev. 577 ft)
10:35 am EDT Jul 20, 2017
12pm EDT Jul 20, 2017-6pm EDT Jul 26, 2017
 
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