PITTSBURGH — UPDATE 9:21 p.m. - Areas of fog could slow your morning commute Wednesday.
After a night of heavy rain, gusty winds, lightning and hail Tuesday, clearing skies will set the stage for fog to form in many areas.
Visibility could be a problem on your drive to work. Clouds will gradually give way to more sunshine through the afternoon.
UPDATE 9:05 p.m. - Duquesne Light confirms power outages are affecting customers across the area after heavy storms moved through.
Hanover- 301
Monroeville - 343
Greenfield - 581
Hazelwood - 413
Squirrel Hill - 52
UPDATE 8:42 p.m. - A portion of Mayview Road near Boyce Road is temporarily closed because of flooding.
A portion of Mayview Rd. near Boyce Rd. is temporarily closed because of flooding. #WPXI pic.twitter.com/ie355EnOhy
— Marlisa Goldsmith (@MarlisaTV) May 23, 2018
UPDATE 7:42 p.m. - There are reports of a tree down on power lines in South Fayette.
South Fayette: 1800 block of Mayview Road - Report of tree down on power lines, which are arcing.
— Allegheny County (@Allegheny_Co) May 22, 2018
Severe Weather Team 11 will have your latest forecast, tonight on 11 at 11.
UPDATE 7:30 p.m. - A severe thunderstorm warning has been issued for Allegheny, Fayette, Washington and Westmoreland counties until 8:15 p.m.
UPDATE 6:47 p.m. - A severe thunderstorm warning has been issued for Allegheny County until 7:30 p.m.
UPDATE 6:10 p.m. - A severe thunderstorm warning has been issued for Beaver and Washington counties until 7 p.m.
UPDATE 5:22 p.m. - A severe thunderstorm warning has been issued for Beaver and Lawrence counties until 6:30 p.m.
UPDATE 3:33 p.m. A severe thunderstorm warning was issued for Mercer and Lawrence counties until 4:15 p.m.
UPDATE 1:46 p.m. A severe thunderstorm watch was issued for Allegheny, Beaver, Butler, Lawrence, Mercer, Venango and Washington counties until 9 p.m.
WEATHER ALERT... Severe Thunderstorm Watch for Allegheny, Beaver, Butler, Lawrence, Mercer, Venango and Washington County until 9:00pm. https://t.co/5TuINuFSOx | https://t.co/jMjzNL1qY3
— WPXI (@WPXI) May 22, 2018
Showers and thunderstorms are expected throughout the day Tuesday with the greater risk of any severe weather occurring between the hours of about 3 p.m. to 10 p.m.
Storms will be moving in ahead and along a cold front from northwest to southeast during these hours and may bring severe storms capable of damaging winds.
Small hail and locally heavy rainfall will also be threats.
STORM TRACKER: Timing of showers moving through Wednesday
Overnight, lingering showers are expected with patchy fog and temperatures down in the upper 50s.
Stay with Severe Weather Team 11 for the latest timing of severe weather throughout the day Tuesday.
Cox Media Group