'Oppressive Conditions' Prompt Heat Advisory for Saturday

The National Weather Service in Chicago issued a heat advisory for Saturday, in effect from 10 a.m. to 8 p.m. Peak heat indices will range from 105 to 110 degrees, with temperatures in the middle 90s, the NWS reports.

“The combination of heat and humidity will create oppressive conditions which may cause heat-related illnesses to develop due to prolonged exposure,” warns the NWS, “particularly the elderly and those with pre-existing health conditions.”

The hottest hours on Saturday will begin at 1 p.m. and end at 5 p.m.

SATURDAY

Mostly sunny, high in mid 90s South southwest wind around 10 mph, with gusts as high as 15 mph. In the evening, a 40 percent chance of showers and thunderstorms after 8 p.m. We could get 1.5 inches of rain on Saturday. Mostly cloudy, with a low around 75.

SUNDAY

Showers and thunderstorms likely, mainly between 8 a.m. and 2 p.m. Mostly cloudy, with a high near 87. West southwest wind 5 to 10 mph, with gusts as high as 15 mph. A 50 percent chance of showers and thunderstorms before 8 p.m. Partly cloudy, with a low around 68 in the evening.

SOME ADVICE

Drink fluids, stay out of the sun, check on elderly or ailing relatives and don’t leave your kids or pets in the car.

Some advice if you work outdoors:

• schedule strenuous activities in the early morning or in the evening
• schedule frequent breaks in shade or in an air-conditioned shelter