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Potential Severe Storms This Afternoon into Friday Night

  • What: Isolated to scattered strong to severe (threat level 2 out of 5) storms will be possible this afternoon and evening (2 pm-Midnight). Another round of storms will be possible late tonight. Some of these storms may be severe after 4 AM Friday. The main threats with both of these rounds will be large hail and damaging winds primarily north of Interstate 94.

    Storms may develop mainly north of Interstate 94 (30-40% chance) in the late afternoon of Friday and continue into Friday night. If storms happen to develop, they could become severe (threat level 2 out of 5 - slight risk). Large hail and damaging winds will be the primary threats with any severe storms.
     
  • Where: Mainly north of Interstate 94.
  • Timing: Late afternoon of Friday and continue into Friday night.
  • Impacts: Large hail and damaging winds.
  • ACTION: Stay weather aware! Take shelter when storms approach

Dangerous Heat This Weekend

  • What: The combination of high temperatures in the 90s and humid conditions will allow heat indices to become dangerous in some locations this weekend. Heat indices will reach from the middle 90s to around 105°F across the area with little relief expected during the overnight hours with lows only in the middle 70s to near 80 degrees. 
  • Where: Northeast Iowa, southeast Minnesota, and from southwest into central Wisconsin.
  • Timing: From Saturday afternoon into Sunday evening.
  • Impacts: Dangerous heat! Heat related illnesses can occur in as little as 30 minutes. Children, pets and the elderly as especially susceptible to the heat
  • ACTION: Avoid prolonged exposure to the heat - postpone or reschedule outdoor activities. Stay hydrated

Periodic Heavy Rain Next Week

  • What: Several rounds of heavy rain will fall across the area next week. Several inches of rain will be possible. Exact location and amounts remains uncertain.
  • Where: Northeast Iowa, southeast Minnesota, and from southwest into central Wisconsin.
  • Timing: Next Week. (Monday, June 23 through Friday, June 27)
  • Impacts: Localized flooding. Ponding of water on roadways, storm sewers may backup. Mud and rock slides possible in hilly terrain. Rises on area rivers and streams
  • ACTION: If flooding is observed, move to higher ground. Never drive a vehicle across a flooded road - it could be washed out or car easily carried into flood waters. Exercise extreme caution at night - harder to recognize the dangers of flash flooding
Additional Information:
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