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Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Isolated thunderstorms are possible late this afternoon and early evening across northeastern Wyoming through far western South Dakota. A major warming trend will bring back very hot temperatures over the weekend, peaking on Sunday with highs reaching up to 108°F. Remember to stay hydrated if you're spending time outdoors. Relief is on the way early next week, as a cold front crosses the area Monday morning to knock temperatures back down into a much more comfortable range.