More summer-like conditions will return to the Washington, D.C., area for a brief time before a front pushes through the region during the latter part of the weekend.
The high temperature on Sunday will climb into the upper 80s with an increase in humidity.
"However, the warmer and more humid air will provide fuel for thunderstorms, which can be strong Sunday into Sunday night," AccuWeather Meteorologist Mike Doll said.
Thunderstorms will be capable of producing torrential downpours, large hail, damaging winds and even a tornado for Sunday night.
One of those storms may be disruptive to the Phish concert on Sunday night at the Merriweather Post Pavilion in Columbia, Maryland.
The higher humidity will stick around into Monday before exiting the region on Tuesday.
Sunshine will be the rule into the middle part of the week, with daytime highs in the low 80s and overnight lows in the mid-60s.
Dry conditions and above-normal temperatures are expected for Super Bowl Sunday in Santa Clara, California.
The new week will bring more opportunities for snow to create slick travel in the northeastern United States, including the heavily populated I-95 corridor.
Cold and snow showers are in store for the New Hampshire primary on Tuesday but should not significantly impact voter turnout.
As the Denver Broncos and Carolina Panthers clash for the Super Bowl 50 title in Santa Clara, California, on Sunday, they will do so in one of the most energy-efficient stadiums in the world.
A magnitude-6.4 earthquake shook southern Taiwan shortly before 4 a.m. local time on Saturday, according to the U.S. Geological Survey.
In some circumstances climate, environmental factors and weather have led to some of the most exciting, mysterious and academically important discoveries of all time.
Louisville, KY (1998)
22.4 inches of snow (4th-6th).
Lee-Shore snowburst dropped an estimated 6ft.
Severe blizzard conditions over all of Iowa in toughest modern winter.