(Des Moines) Iowans should prepare for several more days of dangerous heat as an Extreme Heat Warning remains in effect through Wednesday evening. The combination of temperatures in the 90s and high humidity will push heat index values above 100 degrees, creating hazardous conditions across much of the state.
The warning was extended as forecasters continue to expect oppressive heat through midweek. Overnight temperatures will provide little relief, with lows only dropping into the upper 70s and lower 80s. Warm nights can increase the risk of heat-related illnesses by limiting the body’s ability to recover from daytime heat.
Along with the dangerous temperatures, residents should also be prepared for severe thunderstorms. A Marginal Risk (Level 1 of 5) for severe weather is forecast for tonight, with the greatest threat focused across northern Iowa.
The severe weather threat is expected to increase on Wednesday and Thursday, with much of the state under a Slight Risk (Level 2 of 5) for severe thunderstorms. While not everyone will experience severe weather, storms that develop could produce damaging winds, large hail, and heavy rainfall.
Emergency officials encourage residents to take precautions during the prolonged heat by drinking plenty of water, avoiding prolonged outdoor activities during the hottest part of the day, wearing lightweight clothing, and checking on older adults, young children, and others who may be more vulnerable to extreme temperatures. Pet owners should also ensure animals have access to shade and fresh water.
With dangerous heat continuing through Wednesday evening and the threat of severe thunderstorms increasing during the middle of the week, residents are urged to stay weather aware, monitor the latest forecasts, and have multiple ways to receive watches and warnings.
