Building humidity and daily thunderstorms will lead to a tropical steambath for Pittsburgh as June gives way to July.
Temperatures and humidity will be on the rise into Tuesday as tropical air from the south pours in.
High temperatures will gradually increase into the 90s.
The combination of the warmth and humidity will create even higher AccuWeather.com RealFeel® temperatures, which will prove to be dangerous for those engaging in manual labor and strenuous activities Monday and Tuesday.
The steamy air will also set the stage for daily rounds of showers and thunderstorms.
Through Monday, the thunderstorms will generally pose a nuisance to those with outdoor activities.
Remember you are close enough to be struck by lightning if you hear thunder.
With so much moisture present, it is not out of the question for one or two thunderstorms through Monday to unleash flooding downpours.
Concern for the thunderstorms to turn severe with more frequent downpours, damaging winds and hail will increase Tuesday afternoon as a cold front slices into the tropical steambath.
The shower or thunderstorm chance will linger through Wednesday and Thursday before a drier and more comfortable Independence Day unfolds on Friday.
Matthew will become a hurricane in the Caribbean by this weekend and may approach the U.S. during next week.
It will feel like an extended winter for those living from the northern Plains to the eastern U.S., as cold and snowy conditions last longer than normal.
Rain will spread over much of the northeastern U.S. into the weekend, but persistent downpours will raise the flood risk in part of the mid-Atlantic into Friday.
The final day of September will bring a rare lunar event that hasn’t occurred since March of 2014, a Black Moon.
Improving weather over the next several days will aid officials in battling wildfires across California.
Tropical Storm Chaba will continue to strengthen and could take aim at mainland Japan and its Ryukyu Islands next week.
Terre Bone Parish, LA (1915)
Hurricane hit with 140-mph winds. The storm wrecked 90 percent of the buildings in town. Central pressure of 951.9 mb; 275 killed, $13 million damage.
St. Louis, MO (1927)
Tornado 300 feet across with a 4-mile path crossed river. Twister killed 72, caused $22 million damage. Total of 81 dead from outbreak and $25 million damage.
Colorado Springs (1959)
A storm produced 28 inches of snow.