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Areas of Excessive Rainfall and Severe Thunderstorms; Typhoon Watch for Guam/CNMI

Heavy to excessive rainfall will continue today from the Texas Big Bend region into southern Oklahoma. Locally considerable flash and urban flooding is possible, and river flooding will continue in central Oklahoma. Scattered severe thunderstorms are possible in parts of the Mid-Atlantic Friday. A Typhoon Watch has been issued for Guam and CNMI. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

62°F

17°C

Humidity 75%
Wind Speed E 5 mph
Barometer 30.11 in (1020.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Oct 1:53 pm EDT
Extended Forecast for

Monroeville PA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 69. Calm wind becoming east around 6 mph.

    High: 69 °F

    Mostly Cloudy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 4am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 62. Southeast wind 7 to 14 mph, with gusts as high as 25 mph. 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

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers. Temperature rising to near 72 by 11am, then falling to around 60 during the remainder of the day. Breezy, with a southwest wind 18 to 24 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F⇓

    Breezy.
    Showers
    Likely then
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 38. West wind around 16 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 50. North wind 15 to 17 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 11pm. Otherwise, clear, with a low around 32.

    Low: 32 °F

    Areas Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 5am. Otherwise, clear, with a low around 35.

    Low: 35 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 9am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Frost
    then Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 69. Calm wind becoming east around 6 mph.
Tonight
Showers and thunderstorms likely, mainly before 4am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 62. Southeast wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers. Temperature rising to near 72 by 11am, then falling to around 60 during the remainder of the day. Breezy, with a southwest wind 18 to 24 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 38. West wind around 16 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 50. North wind 15 to 17 mph.
Saturday Night
Areas of frost after 11pm. Otherwise, clear, with a low around 32.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 59.
Sunday Night
Patchy frost after 5am. Otherwise, clear, with a low around 35.
Monday
Patchy frost before 9am. Otherwise, sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 66.
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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:
2:21 pm EDT Oct 15, 2026
Forecast Valid:
2pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation