Powerful thunderstorms packing 70+ mph winds are marching toward southeast Minnesota and southern Wisconsin tonight, with the Storm Prediction Center placing most of the region under Slight (Level 2) or Marginal (Level 1) risk zones. The National Weather Service has issued a Severe Thunderstorm Watch valid from 10:05 p.m. CDT July 28 until 4:00 a.m. CDT July 29 for Rochester (NWS ID KRST) and surrounding areas. The primary threat from these nocturnal storms will be damaging straight-line winds, with the greatest risk being damaging winds in excess of 75 mph. Isolated tornadoes remain possible but the risk is lower than … Continue reading Severe Thunderstorm Watch: 70+ MPH Winds Threaten Rochester-Madison Tonight as NWS Issues Alert Through 4AM