National Weather Service United States Department of Commerce

Severe storms and heavy rain possible from parts of Plains to Great Lakes on Labor Day

Isolated severe thunderstorms are forecast to develop on Labor Day along and ahead of a cold front from parts of the southern Great Lakes southwestward across Illinois and Missouri into southeast Kansas. Damaging winds, large hail and heavy rainfall will be possible with these storms.
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Hazardous Weather Conditions

Current Conditions

St. Clair County

Zone Forecast

  • Today Breezy. Mostly cloudy. Scattered showers and thunderstorms until early afternoon...then showers and thunderstorms likely during mid and late afternoon. Locally heavy rainfall possible during mid and late afternoon. High around 90. Southwest wind 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 60 percent.
  • Tonight Occasional showers and thunderstorms. Locally heavy rainfall possible. Low in the lower 70s. Southwest wind around 10 mph. Chance of rain 90 percent.
  • Tuesday Mostly cloudy in the morning then becoming partly cloudy. A 40 percent chance of showers and thunderstorms. High in the upper 80s. Light wind.
  • Tuesday Night Partly cloudy with a 20 percent chance of showers and thunderstorms. Low in the upper 60s. Light wind.
  • Wednesday Partly sunny with a 40 percent chance of showers and thunderstorms. High around 90. Light wind in the morning becoming south around 10 mph in the afternoon.
  • Wednesday Night Partly cloudy. Low in the lower 70s.
  • Thursday Hot and humid. Mostly sunny. High in the lower 90s. Highest heat index readings of around 100 in the afternoon.
  • Thursday Night Partly cloudy. Low in the lower 70s.
  • Friday And Friday Night Partly cloudy. A 40 percent chance of showers and thunderstorms. High around 90. Low around 70.
  • Saturday Mostly cloudy with a 40 percent chance of showers and thunderstorms. High around 80.
  • Saturday Night Partly cloudy with a 20 percent chance of showers and thunderstorms. Low around 60.
  • Sunday Partly cloudy. High in the upper 70s.