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

Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh International Airport (KPIT)

Lat: 40.48°NLon: 80.21°WElev: 1203ft.

Light Drizzle

68°F

20°C

Humidity 93%
Wind Speed S 8 mph
Barometer 29.87 in (1011.7 mb)
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 16 Oct 1:51 am EDT
Extended Forecast for

Carnegie PA

  • Overnight

    Overnight: Scattered showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 62. Light and variable wind becoming south 6 to 11 mph. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Scattered
    Showers

  • Friday

    Friday: Showers and thunderstorms before 3pm, then scattered showers. Temperature rising to near 73 by 11am, then falling to around 60 during the remainder of the day. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F⇓

    Showers
    Likely then
    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 41. West wind 11 to 13 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Showers
    Likely then
    Scattered
    Showers

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 52. North wind 11 to 15 mph.

    High: 52 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Patchy frost after midnight. Otherwise, clear, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Clear then
    Patchy Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 60.

    High: 60 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 62. Light and variable wind becoming south 6 to 11 mph. Winds could gust as high as 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms before 3pm, then scattered showers. Temperature rising to near 73 by 11am, then falling to around 60 during the remainder of the day. Breezy, with a west wind 14 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 41. West wind 11 to 13 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 52. North wind 11 to 15 mph.
Saturday Night
Patchy frost after midnight. Otherwise, clear, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 37.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carnegie PA
 40.4°N 80.08°W (Elev. 899 ft)
Last Update:
2:21 am EDT Oct 16, 2026
Forecast Valid:
2am EDT Oct 16, 2026-6pm EDT Oct 22, 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