Franklin County will start the week with warm and somewhat unsettled weather before hotter, more humid conditions arrive Tuesday and Wednesday. Thunderstorms will also become a concern, with some storms Tuesday potentially becoming severe.
Today: Monday, August 31
Expect partly sunny skies with a chance of showers during the morning. A stray shower or thunderstorm will remain possible during the afternoon.
High: Mid 80s
Low tonight: Around 70
Rain chance: 50% during the day
Winds: Light, becoming southwest around 5 mph this afternoon
Tomorrow: Tuesday, September 1
Tuesday will turn hot and humid, with temperatures climbing into the lower 90s. The heat index could reach around 100 degrees.
Showers and thunderstorms are possible during the afternoon, with a 50% chance of rain. Some thunderstorms could become severe. Storm chances will continue Tuesday night.
High: Lower 90s
Low: Lower 70s
Heat index: Around 100
Rain chance: 50%
Weather Alerts and Concerns
There are no widespread hazardous weather concerns expected for Monday, but the risk increases as the week continues.
Strong to severe thunderstorms with heavy rainfall are possible from Tuesday through Thursday. Tuesday afternoon and evening will be one period to watch closely.
Heat will also be a concern Tuesday and Wednesday, when heat index values in the Chambersburg area could reach around 100 degrees. Anyone spending extended periods outdoors should drink plenty of water and take breaks from the heat.
7-Day Franklin County Forecast
Monday: Partly sunny with morning showers possible and a slight chance of an afternoon thunderstorm. High in the mid 80s. Low around 70.
Tuesday: Hot and humid with afternoon showers and thunderstorms possible. Some storms could be severe. High in the lower 90s with a heat index near 100. Low in the lower 70s.
Wednesday: Mostly sunny and hot. High in the lower 90s with a heat index around 100. A chance of showers Wednesday night. Low in the lower 70s.
Thursday: Mostly sunny, humid and hot. High in the lower 90s. A chance of showers develops Thursday night. Low in the upper 60s.
Friday: Mostly sunny with a chance of morning showers. High in the mid 80s. Low in the lower 60s.
Saturday: Mostly sunny and cooler. High in the lower 80s. Low in the upper 50s.
Sunday: Mostly sunny with a high around 80.
The biggest weather concerns this week will be the combination of heat Tuesday and Wednesday and the potential for strong thunderstorms, especially from Tuesday through Thursday.
