After a quiet weekend, scattered strong to severe thunderstorms will move into the region later Monday afternoon into Monday evening.
The main threats from these storms will be hail, damaging winds and heavy rainfall. The strongest storms could even produce a short-lived tornado.
Most of the thunderstorm activity will occur during the late afternoon and evening hours. Showers will linger into the overnight hours but should generally wrap up by the morning commute Tuesday.
The thunderstorms are being sparked by an approaching cold front that will run into the humid air mass that is in place.
Behind the front, it will be cooler and less humid both Tuesday and Wednesday with a return of sunshine.
Rounds of rain will bring good news for unusually dry portions of the northeastern United States to start May.
Residents of the southeastern United States may feel like the calendar has flipped ahead to Memorial Day weekend with warm and muggy weather in place for the start of May.
A stormy pattern will persist across the western Gulf Coast into early May, threatening to trigger more flooding from Texas to Mississippi through at least Monday.
May is picking up where April left off with record-challenging warmth surging back into the northwestern United States.
Those looking to traveling or spending the bank holiday outdoors across the United Kingdom will face bouts of rain and wind, but dry conditions will follow by midweek.
A late-April snowstorm dumped over a foot of heavy, wet snow across parts of Colorado on Thursday into Friday, boosting snowpack for an extended ski season at local resorts.
Unusually late coating of snow in Washington, D.C., Baltimore and Philadelphia.
United States (1982)
May produced 365 tornadoes in the U.S., the highest number for any month since reliable records have been available, according to NOAA. The May figure topped by 90 the May 1965 high of 275.
Guangxi, China (1986)
Hailstones weighing up to 11 pounds killed 16 people and injured 125.