Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fair

58°F

14°C

Humidity 97%
Wind Speed S 8 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 12 Oct 11:53 pm EDT
Extended Forecast for

Glenshaw PA

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 82. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.

    High: 82 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, then showers after 2pm.  High near 77. Southwest wind 5 to 8 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 8pm.  Low around 53. North wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers after 2pm.  Partly sunny, with a high near 70. Chance of precipitation is 20%.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm, mainly after 2am.  Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 8am, then showers likely.  High near 69. Breezy.  Chance of precipitation is 80%.

    High: 69 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers before 8pm.  Mostly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 58. South wind around 6 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 82. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 64. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.
Wednesday
Showers likely and possibly a thunderstorm, then showers after 2pm. High near 77. Southwest wind 5 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers, mainly before 8pm. Low around 53. North wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of showers after 2pm. Partly sunny, with a high near 70. Chance of precipitation is 20%.
Thursday Night
Showers and possibly a thunderstorm, mainly after 2am. Low around 60. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm before 8am, then showers likely. High near 69. Breezy. Chance of precipitation is 80%.
Friday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Glenshaw PA
 40.52°N 79.94°W (Elev. 833 ft)
9:41 pm EDT Oct 12, 2026
11pm EDT Oct 12, 2026-6pm EDT Oct 19, 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