Frost will visit much of the interior South tonight, while a freeze chills much of the interior Northeast.
Dry, cooler air overspread the South during recent days.
As skies remain clear tonight, winds will drop off, allowing cold air to collect near the ground.
Farther north, a breeze will stay up tonight, preventing frost in the coastal areas of the mid-Atlantic and southern New England.
However, the air will be cold enough without the aid of calm conditions to bring a freeze to the Appalachians and much of northern New England.
Cities that are forecast to get a freeze tonight in the North include: Bangor, Maine; Binghamton, N.Y.; Pittsburgh, Pa.; and Beckley, W.Va. Temperatures in the countryside over the interior may drop into the 20s for several hours and hover near the 32-degree mark for a time in towns and cities.
If you still have the garden hose and birdbath out in the North, it may be time to empty them of water and bring them indoors.
Cloud cover prevented a frost Thursday night in the Ohio Valley. However, clear skies and diminishing wind tonight should allow some frost on the pumpkins around Cincinnati, Indianapolis and Louisville.
Temperatures will take a tumble across the northeastern United States during the first half of this week.
Beneficial rain will douse California late this week, with the potential for some rain to reach southern portions of the state.
Following a chilly World Series opener during Tuesday evening, a chilly rain may threaten play for Game 2 in Cleveland on Wednesday evening.
A strengthening tropical cyclone will unleash heavy rain and strong winds on areas from western Myanmar to northeast India and Bangladesh this week.
Cool air that has been in place across the United Kingdom over the past week will be replaced with milder air by the middle of the week.
Flooding downpours and thunderstorms will target a part of the central United States at midweek.
(Oct. 24-25) 33" snow in 2 days at Mesa Lake Reservoir.
Tornado sweeps through Sunset Crater National monument. 600-700 trees destroyed. The twister was 150 yards wide at times.
New England (1785)
Four day rains put Merrimac River in NH and MA to greatest flood height ever known -- extensive bridge and mill damage.