Dangerous heat expected across southern Wisconsin on Friday and Saturday
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The National Weather Service in Sullivan says the combination of hot temperatures combined with high humidity will send heat index values soaring as high as 108 degrees Friday in some parts of southern Wisconsin.
The sweltering temperatures are expected to continue on Saturday, as well.
"There is increasing confidence that dangerous heat will occur across southern Wisconsin Friday into Saturday," the weather service said in a situation report early Wednesday. "The highest heat index values should be on Friday across south central Wisconsin, including Madison.
Winds will be breezy out of the south-southwest.
Here are a few things to know about heat and avoiding heat-related illnesses, according to Robin Ihde, a registered nurse who is injury prevention/outreach education coordinator for the trauma program at Froedtert and the Medical College of Wisconsin:
- If you have to be outside, wear and re-apply sunscreen. “You want people to avoid sunburn, because sunburn impedes your ability to cool,” Ihde said.
- Drink 2 to 4 cups of water every hour while working or exercising.
- Don’t wait until you are thirsty to get something to drink.
- Infants and young children's temperature regulating systems are not fully developed and they have fewer sweat glands than adults. They should be watched carefully in hot weather.
- Older adults, people with chronic diseases such as heart, lung and kidney ailments and the obese are particularly at risk for heat related problems. If you have an elderly neighbor, "somebody needs to be checking on them one or two times a day," Ihde said.
- Vehicles are particularly dangerous. "Do not leave anybody in a car unattended, even if the air conditioning is running," Ihde said. (That includes pets) The temperature inside a car, on a sunny day when it’s 85 degrees outside and the windows are all closed, can reach 190 degrees within 30 minutes, Ihde said.
- Schedule outdoor tasks early in the morning or late in the day. Midday heat is considered at its peak between the hours of 10 a.m. and 4 p.m.