On Monday, a vast portion of the United States, encompassing over 198 million people, is under active heat advisories, primarily impacting the Midwest, Southeast, and Northeast. Temperatures are predicted to reach the high 90s, with the feels-like temperature exceeding 100 degrees in numerous cities, and the alerts will remain in effect through Wednesday night in certain areas. Simultaneously, several northern Midwest states are bracing for severe thunderstorms, including a potential derecho with damaging wind gusts and possible tornadoes. Staying hydrated and seeking air-conditioned environments is crucial due to the heightened risk of heat-related illnesses.
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A Heat Advisory remains in effect from noon Saturday to 9 PM CDT Sunday for parts of central and east-central Iowa. Heat index values are predicted to reach up to 105 degrees. The high temperatures and humidity pose a risk of heat-related illnesses. It is recommended to stay hydrated, seek air conditioning, avoid direct sun exposure, and check on vulnerable individuals.
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Alaska issues its first-ever heat advisory for Fairbanks on Sunday, with temperatures predicted to exceed 85°F (29°C). This is not due to record-breaking heat, but rather a change by the National Weather Service from using less impactful “special weather statements” to advisories, aiming for improved public awareness of potentially dangerous conditions. The shift doesn’t reflect unprecedented temperatures or climate change impacts but acknowledges the effect of heat in a region with limited air conditioning and increasing wildfire smoke. While Anchorage isn’t yet issuing heat advisories, plans are underway to do so in the future.
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John Q. Hosedrinker