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

Polk County

Zone Forecast

  • Tonight Mostly cloudy. Slight chance of showers and thunderstorms after midnight. Chance of showers and thunderstorms toward daybreak. Near steady temperature around 70. Light wind in the late evening becoming southeast around 10 mph after midnight. Chance of rain 30 percent.
  • Wednesday Partly sunny. Chance of showers and thunderstorms in the morning...then a slight chance of showers and thunderstorms in the afternoon. Highs around 90. South winds 10 to 15 mph. Chance of rain 40 percent.
  • Wednesday Night Mostly clear. Lows in the lower 70s. South winds around 10 mph.
  • Thursday Mostly sunny. Highs in the lower 90s. Southwest winds 10 to 15 mph with gusts to around 25 mph.
  • Thursday Night Mostly clear. Lows in the lower 70s. South winds around 10 mph.
  • Friday Partly sunny with a 50 percent chance of showers and thunderstorms. Highs around 90.
  • Friday Night Showers and thunderstorms likely. Lows in the mid 60s. Chance of rain 60 percent.
  • Saturday Mostly cloudy with a 30 percent chance of showers and thunderstorms. Highs in the upper 70s.
  • Saturday Night Mostly cloudy. Lows around 60.
  • Sunday And Sunday Night Partly cloudy. Highs around 80. Lows around 60.
  • Monday And Monday Night Mostly cloudy. Highs in the lower 80s. Lows in the mid 60s.
  • Tuesday Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the mid 80s.