National Weather Service United States Department of Commerce

Oppressive heat and humidity building into the central and southeast U.S.

A heat wave is building into parts of the central and southeast U.S. this week. The combination of heat and humidity will lead to dangerous heat indices, especially in parts of the central Mississippi River Valley where an Excessive Heat Warning is in effect. Heat Advisories are in effect elsewhere across the region. Relief is not expected for several days.
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Hazardous Weather Conditions

Current Conditions

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Pittsburgh PA

7 Day Forecast

For More Weather Information:

Pittsburgh, PA Local Forecast Office

Overnight

Dense Fog

Dense
Fog

Low: 65 °F

Thursday

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

High: 82 °F

Thursday
Night

Thunderstorms Likely Chance for Measurable Precipitation 60%

Thunderstorms
Likely

Low: 66 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 82 °F

Friday
Night

Chance Thunderstorms Chance for Measurable Precipitation 50%

Chance
Thunderstorms

Low: 64 °F

Saturday

Chance Thunderstorms Chance for Measurable Precipitation 40%

Chance
Thunderstorms

High: 83 °F

Saturday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 65 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 83 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 64 °F

Detailed Forecast

  • Overnight Patchy dense fog. Otherwise, mostly clear, with a low around 65. Southwest wind around 5 mph.
  • Thursday Showers and thunderstorms likely, mainly after 4pm. Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
  • Thursday Night Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 66. Light west wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Friday A chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Calm wind becoming south around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Friday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind becoming southeast around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
  • Saturday A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
  • Saturday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
  • Sunday A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
  • Sunday Night A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
  • Monday Mostly sunny, with a high near 83.
  • Monday Night Partly cloudy, with a low around 63.
  • Tuesday A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
  • Tuesday Night Partly cloudy, with a low around 62.
  • Wednesday A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.