National Weather Service United States Department of Commerce

Slight Risk of severe thunderstorms Saturday

Severe thunderstorms capable of producing damaging winds appear likely across parts of the upper Midwest, Ohio Valley and southern Great Lakes Saturday afternoon and evening. Marginally severe wind gusts and hail will also be possible across much of Kansas and southern Nebraska and in Pennsylvania, southern New York State and New Jersey Saturday afternoon.
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Current Conditions

St. Clair County

Zone Forecast

  • Today Hot and humid. Partly cloudy with a 30 percent chance of showers and thunderstorms. High in the upper 90s. Highest heat index readings of around 106 in the afternoon. Southwest wind 10 to 15 mph.
  • Tonight Warmer. Partly cloudy with a 40 percent chance of showers and thunderstorms. Low in the mid 70s. Highest heat index readings of around 100 early in the evening. Southwest wind around 10 mph.
  • Sunday Breezy. Partly cloudy. A 30 percent chance of showers and thunderstorms in the morning. High around 90. Northwest wind 10 to 20 mph. Gusts up to 30 mph in the afternoon.
  • Sunday Night Cooler. Mostly clear. Low in the mid 60s. Northwest wind 10 to 15 mph.
  • Monday Partly cloudy. High around 80. North wind 10 to 15 mph.
  • Monday Night Mostly clear. Low in the upper 50s.
  • Tuesday Mostly sunny. High around 80.
  • Tuesday Night And Wednesday Mostly clear. Low around 60. High in the lower 80s.
  • Wednesday Night Partly cloudy. Low in the lower 60s.
  • Thursday And Thursday Night Partly cloudy. A 20 percent chance of showers and thunderstorms. High in the lower 80s. Low in the mid 60s.
  • Friday Partly sunny with a 30 percent chance of showers and thunderstorms. High in the lower 80s.