Video from our WTAE Action Cam shows the dark clouds and heavy rainfall moving into Pittsburgh on Saturday afternoon, as a severe thunderstorm warning was in effect for Allegheny County.Watch the video above. More: See the current weather alerts for your countyInteractive radar: Track storms moving through your areaLearn how to enable automatic weather alerts on the WTAE appThe National Weather Service has issued a tornado watch for western Pennsylvania until 8 p.m.Pittsburgh’s Action Weather meteorologist Jeff Verszyla said the thunderstorm threat should end by sunset, with lingering clouds and a leftover shower as a cool front passes overnight.

PITTSBURGH —

Video from our WTAE Action Cam shows the dark clouds and heavy rainfall moving into Pittsburgh on Saturday afternoon, as a severe thunderstorm warning was in effect for Allegheny County.

Watch the video above.

The National Weather Service has issued a tornado watch for western Pennsylvania until 8 p.m.

Pittsburgh’s Action Weather meteorologist Jeff Verszyla said the thunderstorm threat should end by sunset, with lingering clouds and a leftover shower as a cool front passes overnight.