National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Partly Cloudy

87°F

31°C

Humidity 57%
Wind Speed Vrbl 3 mph
Barometer 30.04 in (1016.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 26 Jun 2:53 pm EDT
Extended Forecast for

Mount Oliver PA

Heat Advisory June 26, 03:49pm until June 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 26, 03:49pm until June 27, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 88. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 69. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 100. West wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 72. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 88. Southwest wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind 7 to 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 69. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Oliver PA
 40.41°N 79.99°W (Elev. 1191 ft)
Last Update:
1:04 pm EDT Jun 26, 2025
Forecast Valid:
3pm EDT Jun 26, 2025-6pm EDT Jul 2, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation