Heat Dome Forecast: 90° Heat & Humidity This Week

Published: Jul. 15, 2026 at 3:15 PM CDT
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First Alert Deep Dive

ALERT DAY: Storms on Sunday are likely

Updated: Jul. 24, 2026 at 8:19 PM CDT

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First Alert: A Big Weather Shift is Coming

Updated: Jul. 24, 2026 at 8:09 PM CDT

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First Alert Weather: Heat Dome Returns this weekend and Storm Chances Ahead

Updated: Jul. 22, 2026 at 10:17 PM CDT

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Minnesota Wildfire Smoke Update & Monday Storm Threat

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First Alert Deep Dive

Heat Dome Alert: Week of Heat & Humidity

Updated: Jul. 10, 2026 at 3:10 PM CDT
Chief Meteorologist Nick Jansen breaks down why a major heat dome is moving in for the next week and a half, bringing dangerous heat indices and muggy conditions to the Upper Midwest.