Much cooler temperatures are also moving in behind this front.
Gusty winds bring an elevated threat of 산불 to portions of the Sierra and Northern Rockies.
Locally heavy rainfall and isolated flooding are possible.
Tropical Depression Rose is also weakening and won’t affect anyone.
Another disturbance off the coast of Africa will likely become a tropical depression by Thursday or Friday.
The first day of fall arrives today at 3:21 pm local time.