Rain will return and the mild spell will dramatically end on Tuesday as a blast of colder air sweeping in from the Plains arrives. The heaviest rain will pour down in the afternoon.
While Tuesday's rain is not expected to cause widespread flooding issues around the city, postponements to outdoor activities and slow travel are likely to result.
The rain will prevent temperatures on Tuesday from rising out of the lower 60s. In fact, temperatures will fall into 50s in the afternoon.
An even colder Wednesday will unfold despite the departure of the rain and plenty of sun shining. Temperatures will struggle to climb into the lower 50s.
As the chilly air settles in, subfreezing overnight low temperatures should return to the northern and western suburbs Tuesday night. Frost issues in the suburbs may follow for Wednesday night.
More seasonable highs are expected by Friday.
The potential for locally dangerous and disruptive thunderstorms will exist over the Midwest into Wednesday evening.
Areas from Central America to southeastern Mexico, western Cuba and southern Florida will be on alert into next week as a tropical system may form.
Warmth will build and evolve into a heat wave across a significant part of the western United States this week.
Rounds of heavy thunderstorms will raise the risk of flooding across the south-central United States into Friday.
Temperatures and humidity levels will throttle back as dry air expands southward in the northeastern United States through the middle of the week.
The next round of primary elections will take place on June 7 with six states heading to the polls.
Philadelphia, PA (1998)
A tornado in northeast Philadelphia; one building collapsed and houses were unroofed, windows blown out of parked cars.
New Haven, CT (1812)
Latest blossoming of apple trees during this period (1794/1985).
Eastern Great Lakes (1843)
Snow fell and whitened the ground at Cleveland, OH, and Buffalo and Rochester, NY.