Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

59°F

15°C

Humidity 83%
Wind Speed S 7 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 25 Jun 3:53 am EDT
Extended Forecast for

Monessen PA

  • Today

    Today: A chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 62. Southwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 5pm.  Mostly cloudy, with a high near 81. West wind 3 to 6 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm.  Low around 64. Light east wind.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am.  High near 80. Light and variable wind becoming west around 6 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 90.

    High: 90 °F

    Hot

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 62. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 81. West wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 64. Light east wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers, with thunderstorms also possible after 11am. High near 80. Light and variable wind becoming west around 6 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny and hot, with a high near 90.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny and hot, with a high near 94.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Mostly sunny and hot, with a high near 95.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Monessen PA
 40.16°N 79.88°W (Elev. 801 ft)
2:21 am EDT Jun 25, 2026
4am EDT Jun 25, 2026-6pm EDT Jul 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database