National Weather Service United States Department of Commerce

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 >

Areas of rain will continue across eastern portions of the forecast area this morning, otherwise expect increasing sunshine from west to east across the area today. Temperatures will be cooler, with highs ranging from the 70s east to the 80s across central South Dakota. This weekend is currently looking dry, with increasing heat across central South Dakota. Wide ranges of temperatures from the 80s east, to the 90s or around 100 degrees across central South Dakota.