Vigilance and preparation are important, say forecasters at the NWS, as wintry weather brings hazardous travel conditions.

The National Weather Service has simplified some of its winter weather alerts for Wind Chill and Extreme Cold Warnings.

Delivery times for post in over half the country could be impacted due to hazardous weather, the U.S. Postal Service said.

"Re-freezing of snow and sleet melt is expected this evening, as temperatures plummet well below freezing after dark."

Arizona is accustomed to dry weather, but this 155-day stretch in the Valley has been rough on residents. The last measurable rainfall was in August of last year.

GRAND FORKS, N.D. (KFGO) – The risk for moderate or higher spring flooding for the Red River and Devils Lake Basins in the first outlook is low and running below long-term historical averages. National Weather Service in Grand Forks says precipitation last November saturated soils and elevated river levels before freeze-up.

While it's stopped snowing, deadly winter weather conditions aren't gone. The National Weather Service is warning of icy roads persisting in Georgia.

The NWS forecasts clear skies and calm winds for New Orleans, with a weekend high of 54°F and a chance of showers by Sunday night.

Another new change is the Wind Chill Advisory will be renamed to "Cold Weather Advisory" as shown below with the explanation. The hard freeze watches and warnings will be renamed and consolidated to "Freeze Watch" and "Freeze Warning" as shown below with the explanation.

Steve Fazekas’ citizen weather observer station in Winfield recorded a temperature of 15 degrees below zero just after 5 a.m. Wednesday. Fazekas’ reading came in just below the Pittsburgh region’s lowest temperature on record for Wednesday’s date — minus-4 degrees Jan.

The NWS issues a cold weather advisory for southwest and west central Florida with wind chills as low as 27°F.

National Weather Service locations across Texas have forecast totals from a half-inch to five inches of snow between Monday and Tuesday.