Rain and thunderstorms are set to dampen Earth Day events across portions of the United States on Tuesday.
In Philadelphia, Greensgrow Farms is sponsoring a neighborhood greening event that participants will help plant flowers in various locations around the city. While a couple of showers and thunderstorms are forecast, much of the event -- which is scheduled from 10 a.m. to 3 p.m. EDT Tuesday -- will be rain-free.
"The wet weather should hold off in Philadelphia until 3 or 4 p.m. Tuesday," AccuWeather Senior Meteorologist John Gresiak said.
Holland America Line employee Danielle Stoeck picks Japanese Knotweed, an invasive species, during Seattle Cruise Industry Employee Volunteer Day, on Tuesday, April 23, 2013, at Golden Gardens Park in Seattle. (Stephen Brashear/AP Images for Cruise Line International Association)
Similar weather is expected in Washington, D.C., where the National Zoo is sponsoring some events.
A cold front will be responsible for the thundery rain as it advances from the Appalachians toward the East Coast Tuesday afternoon and evening.
Events at the Atlanta Botanical Garden will be impacted by some showers and thunderstorms along the same cold front.
While there will be some rain and thunderstorms in the East, severe weather is not forecast. However, if you hear thunder during these events, seek shelter. Remember to pack an umbrella or poncho.
Allow extra travel time, since showers and storms may reduce visibility and create slick roads.
Meanwhile, a chilly storm will advance into the Northwest on Tuesday, ushering in plenty of clouds, rain and gusty winds.
Some Seattle area schools are planning to take classes outdoors at the Seward Park Environmental and Audubon Center to work on a restoration project in the park.
"It will be mostly cloudy and cool with showers, but they'll be most numerous in the morning," AccuWeather Senior Meteorologist and Western Expert Ken Clark said.
Farther south, residents in the San Francisco Bay area will help revive Lafayette Square Park in Oakland, Calif.
"Windy and cool weather will impact those in the Bay area," Clark said. "Clouds along with a shower or two will be around in the morning, but sunshine will return by the afternoon."
While events will occur throughout the week across the country, many are planned for this upcoming weekend. Events are scheduled near Philadelphia, Baton Rouge, La., and Yosemite National Park on Saturday. Another pair of storms across the West and East may dampen these events.
The midwestern United States will be in the crosshairs of potent thunderstorms into Saturday night.
Much of the eastern United States will continue to swelter with above-average temperatures into the end of the month.
Conditions will deteriorate across Hawaii this weekend as Darby delivers locally heavy rain and rough surf. But the tropical storm will provide long-term benefits.
Those looking for a break from the heat across the central United States will be in luck as a slow cooldown is in store starting this weekend.
Lightning killed a teenager on Friday, the second teen lightning death in three days. With thunderstorms continuing to rattle several parts of the nation, more lives will be at risk.
The more than 100,000 people expected to attend the annual Glorious Goodwood festival next week will want to keep a brolly handy.
Canton, IL (1975)
A tornado ripped through a 3-block section of downtown, killing 2 people, injuring 75 and creating $5 million damage. A 15-foot wooden plank was driven through an auto engine block, splitting the front of the car in two. The woman driving was not injured. National Guardsmen were called in to prevent looting.
Columbus, OH (1979)
This is the first year in 101 years of record keeping at Columbus in which the temperature has not reached 90 degrees by July 23rd.
Hurricane Delores, west of Baja California, causes high surf along the Southern California coast.