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Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fog/Mist

70°F

21°C

Humidity 93%
Wind Speed Vrbl 7 mph
Barometer 30.01 in (1015.9 mb)
Dewpoint 68°F (20°C)
Visibility 5.00 mi
Last update 11 Aug 11:53 am EDT
Extended Forecast for

Mount Oliver PA

Flood Watch August 11, 12:45pm until August 12, 08:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 11, 12:45pm until August 12, 08:00am

    NOW until 8:00am Wed

    Flood Watch

  • This Afternoon

    High: 79 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 11pm, then a chance of showers after 11pm. Low around 66. Southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 66 °F

    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. West wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 66. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 82. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am. Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 79. West wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 10pm, then showers likely and possibly a thunderstorm between 10pm and 11pm, then a chance of showers after 11pm. Low around 66. Southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. West wind 3 to 8 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 66. Southwest wind around 6 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 82. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 65. 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 before 8am. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
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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:
12:26 pm EDT Aug 11, 2026
Forecast Valid:
12pm EDT Aug 11, 2026-6pm EDT Aug 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation