Last Burst of Heat Through Mid Week. Cooling Down Second Half of the Week.

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Dry conditions will persist today in western PA as a slight chance of a stray shower or storm is possible into the night. A better chance of showers and storms will move in on Wednesday and early Thursday before conditions clear out. Highs will rise into the upper 80s to low 90s today before low to mid 80s roll in on Wednesday and low to mid 70s roll in on Thursday. Lows will drop into the mid to upper 60s tonight before low to mid 60s press in on Wednesday night and low to mid 50s track in on Thursday night.
The DC Region will stay dry today as partly cloudy skies occur before clouds gradually increase on Wednesday. Showers and storms are likely on Thursday. Highs will peak in the upper 80s to low 90s today and Wednesday before low to mid 80s move in on Thursday. Lows will dip into the low to mid 70s tonight and Wednesday night before mid to upper 60s shuffle in on Thursday night. Hope you all have a great start to the short work week with a two-for-Tuesday! Take care folks!
Current (~10-10:30am) Temperatures:
  • Erie, PA: 82
  • Franklin, PA: 77
  • New Castle, PA: 79
  • Butler, PA: 79
  • Pittsburgh, PA (KAGC): 77
  • Uniontown, PA: 79
  • State College, PA: 75
  • Frederick, MD: 81
  • BWI Airport, MD: 82
  • DC (KDCA): 81

Forecast:

Western PA:

Main threat: Heat today. Showers and storms mid week.

  • Today: Partly cloudy. Slight chance of a pop-up shower or storm late. Highs: Upper 80s/Low 90s Overnight Lows: Mid to Upper 60s
  • Wednesday: Showers and storms likely, especially late. Highs: Low to Mid 80s Overnight Lows: Mid to Upper 60s
  • Thursday: Chance of showers and storms, mainly early. Highs: Low to Mid 70s Overnight Lows: Low to Mid 50s

DC Region: 

Main threat: Heat today and Wednesday. Showers and storms mid week.

  • Today: Partly cloudy. Highs: Upper 80s/Low 90s Overnight Lows: Low to Mid 70s
  • Wednesday: Partly cloudy. Highs: Upper 80s/Low 90s Overnight Lows: Low to Mid 70s
  • Thursday: Showers and storms likely. Highs: Low to Mid 80s Overnight Lows: Mid to Upper 60s

Good News: Today stays mainly dry. Conditions cool down and become more comfortable by Thursday.

Bad News: Wet weather could dampen mid-week plans.