Fall is in full swing, and while most of the country experienced a very summer-like start to the season, that's changing this week.
RELATED: Storm Shield app provides life-saving weather alerts
RELATED: SnowCast will alert you before the first snowflakes fall at your location
A large cold front is moving across the eastern two-thirds of the country, bringing in some cooler, fall air.
This round of cooler air likely won't last long, though.
Long-term forecast models have warmer than average air returning to the eastern half of the country as cooler air moves into the western half.
