The National Weather Service confirmed potentially hazardous weather on its way to Pottstown, Collegeville, and the rest of western Montgomery County beginning Wednesday afternoon and continuing into late night hours.
Hurricane Ida plowed into Louisiana on Sunday with winds and storm surge stronger than that of Hurricane Katrina. Western MontCo won't feel those effects, but it could be drenched in Ida's rain.
Thanks to Tropical Storm Fred, western Montgomery County faces its greatest chance (90 percent) of a thunderstorm Wednesday night, forecasters say. Lower storm risks continue daily through Sunday.
Western Montgomery, western Chester, and much of Berks counties are included in the flash flood warning issued by the National Weather Service for Monday night. Storms may continue into Tuesday, Accuweather said.
Drivers on U.S. Route 422 between the Armand Hammer Boulevard and Sanatoga interchanges took photos Thursday of flash flooding on a portion of the highway. More limited, scattered storms are possible Friday, the National Weather Service said.
A windstorm that could bring gusts from the northwest, blowing at up to 60 miles an hour, poses a roughly 12-hour property damage threat between Friday afternoon and early Saturday morning.
The National Weather Center regional office said a red-flag warning remains in effect until Monday evening in the county and elsewhere, as gusty winds and dry conditions increase the risk of fires.
A minor risk of flooding prevailed Monday morning as the past hours of rain subsided. Up next, according to AccuWeather, is a huge temperature drop that could make Tuesday driving slippery.