Heat Today/Tuesday. Significant Cool Down Through Mid Week. Weekend Warms Up Again.

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A chance of showers and thunderstorms are possible in western PA this afternoon into tonight. A chance of morning showers will give way to mostly cloudy skies during the day. Partly sunny skies will push into western PA on Wednesday. Highs will rise into the low to mid 80s with some areas in SW PA potentially reaching the upper 80s. Highs will decline into the upper 60s to mid 70s on Tuesday before mid 50s to low 60s push in on Wednesday. Lows will dip into the low to mid 60s tonight before 40s move in on Tuesday night. Wednesday night will drop lows into the mid 30s to low 40s. The DC Region will see a slight chance of a pop-up shower or storm today. An early shower is possible on Tuesday before partly cloudy skies push into the region. Mostly sunny skies will settle in on Wednesday. Highs will climb into the low to mid 80s today before mid to upper 80s push in on Tuesday. Highs will decline into the low to mid 70s by Wednesday. Lows in the upper 60s to low 70s tonight will drop into the upper 50s to low 60s on Tuesday night before values fall into the low to mid 50s on Wednesday night. Hope you all have a fantastic week! Take care folks!

Current (~6-6:45am) Temperatures:
  • Erie, PA: 68
  • Franklin, PA: 63
  • New Castle, PA: 68
  • Butler, PA: 66
  • Pittsburgh, PA (KAGC): 67
  • Uniontown, PA: 67
  • State College, PA: 64
  • Frederick, MD: 68
  • BWI Airport, MD: 69
  • DC (KDCA): 71


Western PA:

Main threat:  Heat today. Little humid. Stay cool.

  • Today: Chance of showers and thunderstorms, especially later in the day. Highs: Low to Mid 80s Overnight Lows: Low to Mid 60s
  • Tuesday: Chance of an isolated shower early. Mostly cloudy.  Highs: Upper 60s to Mid 70s Overnight Lows: 40s
  • Wednesday: Partly sunny. Highs: Mid 50s to Low 60s Overnight Lows: Mid 30s to Low 40s

DC Region: 

Main threat: Heat today and tomorrow. Humid. Stay cool.

  • Today: Chance of a shower or thunderstorm. Mostly cloudy. Highs: Low to Mid 80s Overnight Lows: Upper 60s/Low 70s
  • Tuesday: Chance of an early shower. Becoming partly cloudy. Highs: Mid to Upper 80s Overnight Lows: Upper 50s to Low 60s
  • Wednesday: Mostly sunny. Highs: Low to Mid 70s Overnight Lows: Low to Mid 50s

Good News: Toasty start to this week. Conditions warm up during the weekend and into next week after the mid week cool down. Dry mid week.

Bad News: Cool down during the middle of the week as lows in western PA could drop into the 30s by Wednesday night/Thursday morning. A better threat of rains move in late this week into the weekend.