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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 >

Hot temperatures return this weekend, topping out Sunday with a Heat Advisory in effect. Temperatures across the western and central South Dakota plains will push past 105°F. Elevated fire danger is expected both days—please use extra caution with anything that could ignite. Relief arrives next week with cooler temps in the 70s/80s and scattered thunderstorm chances.
A Heat Advisory is in effect for the western and central South Dakota plains on Sunday, August 2nd, from 10:00 AM to 8:00 PM MDT. Highs exceeding 100°F and heat indices up to 105°F will create dangerous heat conditions, prompting NWS advice to stay hydrated, seek air conditioning, wear light clothing, and avoid outdoor work during peak heat hours.