Friday's forecast: Showers, storms in Rockies, Plains

On Friday, the first full day of fall, showers and thunderstorms will again fire up from the Rockies to the Plains and Midwest while the southern tier continues to bake.

Rockies, Plains: Heavy rain and a few thunderstorms will pelt portions of the Rockies and Plains on Friday, potentially leading to flash flooding in some areas. Utah, Idaho, Montana and the Dakotas should see the heaviest rain.

East: A few showers are possible Friday along the coastal Southeast and in the Northeast.

South: Temperatures will remain in the sultry 90s across most of the southern Plains and Deep South on Friday.

YOUR TAKE: Share your weather photos 

Weather history for Sept. 23: In 1904, Washington, D.C., fell to a September record low temperature of 36 degrees. In 1989, a trace of snow was reported at Pittsburgh International Airport.