National Weather Service United States Department of Commerce

Severe weather expected for Upper Midwest on Wednesday

A potent storm system will bring a chance of severe thunderstorms to parts of the Upper Midwest on Wednesday and Wednesday night. Very large hail, damaging wind gusts, tornadoes and heavy rain are possible with these storms.
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Hazardous Weather Conditions

Current Conditions

St. Louis County

Zone Forecast

  • Rest Of Tonight Clear. Areas of fog. Low in the mid 60s to lower 70s. Light wind.
  • Wednesday Mostly sunny early in the morning then becoming partly sunny late in the morning then becoming mostly cloudy in the afternoon. A 40 percent chance of showers and thunderstorms. High in the upper 80s. Southeast wind around 10 mph.
  • Wednesday Night Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Low in the mid 70s. South wind around 10 mph.
  • Thursday Hot and humid. Mostly sunny. High in the mid 90s. Highest heat index readings of around 105 in the afternoon. South wind 10 to 15 mph.
  • Thursday Night Partly cloudy. Low in the mid 70s. South wind around 10 mph.
  • Friday Partly cloudy with a 50 percent chance of showers and thunderstorms. High around 90.
  • Friday Night Showers and thunderstorms likely. Low in the mid 60s. Chance of rain 60 percent.
  • Saturday Cooler. Mostly cloudy. High in the upper 70s.
  • Saturday Night And Sunday Partly cloudy. Low in the upper 50s. High in the upper 70s.
  • Sunday Night Mostly clear. Low in the upper 50s.
  • Monday Partly cloudy. High around 80.
  • Monday Night Mostly cloudy. Low in the mid 60s.
  • Tuesday Mostly cloudy with a 30 percent chance of showers. High in the lower 80s.