Active National Weather Service alert for Pittsburgh, PA: Flood Watch. Flood Watch issued September 12 at 10:37AM EDT until September 13 at 1:00AM EDT by NWS Pittsburgh PA Until Sun, 1:00 AM EDT.
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Pittsburgh, PA weather, straight from the source.

Current conditions, official National Weather Service forecasts and alerts, rain timing, local radar, air quality, wind, humidity, sunrise, sunset, and the latest reported update for Pittsburgh, PA. Always follow local warnings and emergency instructions.

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Weather status

Flood Watch

Flood Watch issued September 12 at 10:37AM EDT until September 13 at 1:00AM EDT by NWS Pittsburgh PA Expires Sun, 1:00 AM EDT.

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What’s next

Hourly forecast

Pittsburgh, PA

Check the latest hourly conditions, seven-day outlook, rain timing, wind, sunrise and sunset for Pittsburgh, PA. Forecasts and alerts update from NOAA and the National Weather Service.

79°Mostly Cloudy7% rain
81°Slight Chance Showers And Thunderstorms15% rain
82°Slight Chance Showers And Thunderstorms21% rain
84°Showers And Thunderstorms Likely60% rain
83°Showers And Thunderstorms77% rain
82°Showers And Thunderstorms84% rain
81°Showers And Thunderstorms89% rain
78°Showers And Thunderstorms85% rain

Next 24 hours

Rain Timeline

Highest chance 99%

Most likely around 2 PM, 3 PM, 4 PM, 5 PM. Expected type: Thunderstorms / Rain.

7%None
15%Thunderstorms
21%Thunderstorms
60%Thunderstorms
77%Thunderstorms
84%Thunderstorms
89%Thunderstorms
85%Thunderstorms
90%Thunderstorms
99%Thunderstorms
89%Thunderstorms
74%Thunderstorms
66%Thunderstorms
58%Thunderstorms
52%Thunderstorms
25%Rain
23%Rain
12%None
6%None
0%None
2%None
0%None
0%None
0%None

Official NWS outlook

7-Day Forecast

High / low temperatures

Today

! NWS
86°68°

Chance Showers And Thunderstorms

Precipitation
95%
Wind
S 7 mph
Sunrise
6:59 AM
Sunset
7:36 PM

Sun

84°59°

Patchy Fog then Partly Sunny

Precipitation
50%
Wind
W 2 to 9 mph
Sunrise
7:00 AM
Sunset
7:34 PM

Mon

74°54°

Mostly Sunny

Precipitation
0%
Wind
N 6 to 9 mph
Sunrise
7:01 AM
Sunset
7:32 PM

Tue

82°63°

Mostly Sunny

Precipitation
10%
Wind
SE 5 to 8 mph
Sunrise
7:02 AM
Sunset
7:31 PM

Wed

86°67°

Mostly Sunny then Slight Chance Rain Showers

Precipitation
20%
Wind
S 5 mph
Sunrise
7:02 AM
Sunset
7:29 PM

Thu

85°64°

Chance Showers And Thunderstorms

Precipitation
47%
Wind
SW 2 to 8 mph
Sunrise
7:03 AM
Sunset
7:27 PM

Fri

80°60°

Chance Rain Showers

Precipitation
42%
Wind
NW 6 to 9 mph
Sunrise
7:04 AM
Sunset
7:26 PM

Forecasts, icons, precipitation, wind, and alerts are from the National Weather Service. Sunrise and sunset are calculated locally for the selected coordinates.

Weather for a healthier day

Healthy Weather

Real Feel83°F
Walking is not recommended now

Review the active Flood Watch before going outside. MyUSA.us will not recommend this activity while an NWS watch, warning, or emergency is active.

WindSW7 mph
Best walk timeReview the active Flood Watch before leaving

MyUSA.us will not recommend an outing window while an NWS watch, warning, or emergency is active. Follow the official alert and local instructions.

Official EPA AirNowLocal air qualityPittsburgh, PA
View AQI +
More weather details
Wind gustsNot reported
Rain now7%next hour
Humidity66%current
Daily peak UV forecastCheckingEPA daily maximum · not a current reading

Wind impact: Light wind with little expected outdoor impact.

Full Healthy Weather guides and reminders →

“Better weather window” is planning guidance based on official NWS data—not a promise of safe conditions. Review active alerts and radar before leaving.

Storm & DetailsGusts, pressure, visibility and official risk outlooksView details +
Wind gustNot reported
Pressure29.99 in
Visibility10.0 mi
Peak rain chance99%
Dew point68°F
Active alerts1

Official risk outlooks

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Active NWS alerts

Weather safety ↗

Severe · Future

Flood Watch

Applies to: Tuscarawas; Carroll; Columbiana; Coshocton; Harrison; Jefferson; Muskingum; Guernsey; Belmont; Noble; Monroe; Mercer; Venango; Forest; Lawrence; Butler; Clarion; Jefferson; Beaver; Allegheny; Armstrong; Washington; Greene; Westmoreland; Westmoreland Ridges; Fayette; Fayette Ridges; Indiana; Higher Elevations of Indiana; Hancock; Brooke; Ohio; Marshall; Wetzel; Marion; Monongalia; Ridges of Eastern Monongalia and Northwestern Preston; Preston; Eastern Preston; Western Tucker; Eastern TuckerIssued by: NWS Pittsburgh PAFlood Watch issued September 12 at 10:37AM EDT until September 13 at 1:00AM EDT by NWS Pittsburgh PA
Alert details* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of east central Ohio, including the following areas, Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison, Jefferson OH, Monroe, Muskingum, Noble and Tuscarawas, Pennsylvania, including the following areas, Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette, Forest, Greene, Higher Elevations of Fayette, Higher Elevations of Indiana, Higher Elevations of Westmoreland, Indiana, Jefferson PA, Lawrence, Mercer, Venango, Washington and Westmoreland, and West Virginia, including the following areas, Brooke, Eastern Preston, Eastern Tucker, Hancock, Marion, Marshall, Monongalia, Ohio, Preston, Ridges of Eastern Monongalia and Northwestern Preston, Western Tucker and Wetzel. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Scattered thunderstorm development during the late morning and early afternoon hours, followed by a more widespread push of heavy rain and additional thunderstorms, could result in a couple rounds of heavy rain. At least localized instances of flash flooding will be possible, particularly in locations that have wet soils from recent rain. - http://www.weather.gov/safety/flood
Safety instructionsYou should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
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