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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Current conditions at

Pittsburgh International Airport (KPIT)

Lat: 40.48°NLon: 80.21°WElev: 1203ft.

Mostly Cloudy

62°F

17°C

Humidity 52%
Wind Speed E 12 G 22 mph
Barometer 30.35 in (1028.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 23 Sep 12:51 pm EDT
Extended Forecast for

Carnegie PA

  • This Afternoon

    This Afternoon: A slight chance of showers. Mostly sunny, with a high near 64. East wind around 14 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 51. East wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. East wind 8 to 11 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Northeast wind 3 to 6 mph.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. North wind 3 to 8 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers. Mostly sunny, with a high near 64. East wind around 14 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 51. East wind 7 to 11 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 66. East wind 8 to 11 mph.
Thursday Night
Mostly clear, with a low around 45. Northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 70. North wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carnegie PA
 40.42°N 80.07°W (Elev. 912 ft)
Last Update:
12:39 pm EDT Sep 23, 2026
Forecast Valid:
1pm EDT Sep 23, 2026-6pm EDT Sep 29, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation