Tornado warning issued for parts of Venango, Mercer Counties; Western PA under Thunderstorm Watch A tornado warning has been issued by the National Weather Service for parts of Mercer and Venango County. The warning is in effect until 6:45 p.m. Easter Central Mercer County and Southwestern Venango County are both under a warning. In addition to the tornado warning, multiple areas are under a Thunderstorm Watch as today's Impact Weather moves through.The area includes much of Western Pennsylvania, including Allegheny County. That watch will remain in effect until 11 p.m.Rain storms are expected to push through the southeast and into our area for the rest of the evening. The rain will begin to fall in the far northwest around 6 p.m. with Allegheny County feeling the effects around 8 p.m. The rain is expected to clear out by 10 p.m.Following Sunday's storms, Fall arrives as we head into the week with highs in the 60s and 50s for those in the north. Western Pennsylvania could see it's first chance of frost on Thursday or Friday morning. Share your weather photosGo to wtae.com/uploadEmail to our u local Pittsburgh Facebook groupStay with WTAE.com and the WTAE app for breaking news updates.More: See current weather alerts for your countyInteractive radar: Track storms as they move through your areaLearn how to enable automatic weather alerts on the WTAE mobile app
A tornado warning has been issued by the National Weather Service for parts of Mercer and Venango County. The warning is in effect until 6:45 p.m.
Easter Central Mercer County and Southwestern Venango County are both under a warning.
In addition to the tornado warning, multiple areas are under a Thunderstorm Watch as today's Impact Weather moves through.
The area includes much of Western Pennsylvania, including Allegheny County. That watch will remain in effect until 11 p.m.
Hearst Owned
Rain storms are expected to push through the southeast and into our area for the rest of the evening. The rain will begin to fall in the far northwest around 6 p.m. with Allegheny County feeling the effects around 8 p.m.
The rain is expected to clear out by 10 p.m.
Following Sunday's storms, Fall arrives as we head into the week with highs in the 60s and 50s for those in the north.
Western Pennsylvania could see it's first chance of frost on Thursday or Friday morning.
Share your weather photos
Go to wtae.com/upload Share to our u local Pittsburgh Facebook group Stay with WTAE.com and the WTAE app for breaking news updates.
More: See current weather alerts for your county Interactive radar: Track storms as they move through your area Learn how to enable automatic weather alerts on the WTAE mobile app 
