The first Friday of September will feature both summer heat in the South and fall-like temperatures in parts of the northern tier.
Southern tier: High heat will scorch most of the southern tier all the way from the Southwest to the southern Plains to the Southeast. Temperatures will be in the 90s in most areas. Some thunderstorms are also possible in the Southwest and especially the Southeast.
Plains, Midwest: A slow-moving front will spark some showers and thunderstorms from the central Plains to the Great Lakes Friday.
Northern tier: Some autumnal temperatures in the 60s and 70s are forecast for most of the northern Rockies, northern Plains and Intermountain West.
Weather history for Sept. 5: In 1979, heavy rain from Tropical Storm David drenched the East Coast. In 1996, Hurricane Fran smashed into the North Carolina coast; a wind gust of 124 mph was recorded.
In 2004, San Francisco saw a record high temperature of 94 degrees.
Read the original story: Friday's forecast: Heat and storms for southern tier