Showers possible for morning, afternoon commutes Wednesday

Flash flooding will continue to be a concern the next few days.

A stagnant weather pattern will help to fuel more showers and storms, with damaging winds and heavy rain the main threats.

Showers are possible for the morning and afternoon commutes Wednesday. Watch 11 Morning News starting at 4:30 a.m. for the latest timing on showers moving through the region.

Small creeks and streams could rise quickly, and landslides are also a concern.

Be alert for rapidly changing road conditions with any storm that moves through your area.

UPDATE: 12:47 p.m. - Scattered showers and t-storms will continue to occur this afternoon across western Pennsylvania.

Expect heavy rain, lightning and gusty winds. Some storms may be strong to severe and produce wind gusts up to 60 mph and quarter-sized hail.

A Flash Flood Watch is from 1 p.m. until Midnight as heavy rainfall may occur.

Scattered storms will continue in the forecast through the weekend. Stay with Severe Weather Team 11 for the latest watches and warnings.

UPDATE 12:46 p.m. A severe thunderstorm warning has been issued for Armstrong, Indiana and Jefferson counties until 1:30 p.m.

UPDATE 12:45 p.m. A man is trapped after a tree fell on to a truck in Butler County along Old Plank Road, dispatchers confirm.

No injuries were reported.

UPDATE 12:35 p.m. Power lines and signals are down in Cranberry Township. Route 19 North and South are closed in both directions from Freedom Road to Freeport Road.

UPDATE 12:24 p.m. A severe thunderstorm watch has been issued for Armstrong, Fayette, Greene, Indiana, Jefferson, Washington and Westmoreland counties until 8 p.m.

UPDATE 12:23 p.m. A severe thunderstorm warning has been issued for part of Armstrong and Clarion counties until 1:15 p.m.

UPDATE 11:48 p.m. A severe thunderstorm warning has been issued for Beaver, Butler and Lawrence counties until 12:30 p.m.

UPDATE 11:32 a.m. The Mon Wharf will be closed starting on Wednesday until further notice as a precaution.

Scattered thunderstorms will develop again Tuesday, with the strongest storms bringing the threat of damaging winds, localized flooding, hail and frequent lightning.

A flash flood watch has been issued for much of the area starting at 1 p.m. and lasting through the evening. A flash flood watch means conditions are favorable for flash flooding but not a certainty.

STORM TRACKER: Timing of storms moving in Tuesday

Thunderstorms will not be as widespread as Monday, but any storm that does develop will have the potential to become severe.

Many areas have been soaked with rain the past few days, and any additional heavy rain could cause flash flooding. Watch for quickly changing road conditions if storms develop.

The strongest storms will bring winds in excess of 50 mph and hail.

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Cox Media Group