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

Heavy Rainfall Continues from the Southwest to the Plains; Severe Thunderstorms in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact the Southwest into the Plains. Scattered severe thunderstorms capable of mainly severe wind gusts appear possible across portions of the southern Plains this afternoon into tonight. There is also a risk of isolated severe winds gusts and tornadoes in Kansas into Nebraska. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fog/Mist

58°F

14°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 58°F (14°C)
Visibility 4.00 mi
Last update 30 Sep 8:53 am EDT
Extended Forecast for

Monroeville PA

  • Today

    Today: Areas of fog before 10am. Otherwise, partly sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.

    High: 77 °F

    Areas Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. South wind 3 to 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Southwest wind 7 to 13 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 65. South wind 7 to 9 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers. High near 74. Southwest wind 11 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, partly sunny, with a high near 77. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 60. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 81. Southwest wind 7 to 13 mph.
Thursday Night
Increasing clouds, with a low around 65. South wind 7 to 9 mph.
Friday
Showers. High near 74. Southwest wind 11 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Monroeville PA
 40.44°N 79.75°W (Elev. 1181 ft)
Last Update:
7:26 am EDT Sep 30, 2026
Forecast Valid:
9am EDT Sep 30, 2026-6pm EDT Oct 6, 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