Is your air conditioner running? Well, you better go catch it, because it's going to get hot.
The National Weather Service of La Crosse is predicting a "persistent and dangerous heat wave" starting Sunday and scorching every corner of the region.
Temperatures will be in the low to middle 90s, combined with heavy, humid air that will mean heat indices of between 100 and 115 degrees.
The hot, muggy weather and dangerous heat index values will continue through at least Wednesday and possibly into the following weekend. Even night time temperatures will struggle to drop below the mid 70s, which will make it hard to cool off.
These conditions will lead to a heightened risk of heat-related illnesses, especially for young children, the elderly and animals. Heat is an underrated danger, with an average of 175 Americans dying annually from heat-related causes.
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The heat wave came in with a bang. On the front end of the warm front, were heavy rains that caused flash flooding that closed several roads Friday, including westbound I-90 at 11th Drive Northeast.
For photos from the storm, go to Page A4.