Illinois

Finally! A lasting warmup is on the way for parts of US

PROMO Weather - Seasons Strips Winter Spring Summer Fall - iStock - Ig04Zh

Warmth is forecast to expand through the Great Lakes and Ohio Valley and all the way to the Atlantic coast as the week progresses. Following a chilly weekend in the Northeast, the wave of warmth will begin in earnest on Monday, then warmth will swell during the middle of the week.