Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

57°F

14°C

Humidity	81%
Wind Speed	Vrbl 6 mph
Barometer	30.06 in (1018.3 mb)
Dewpoint	51°F (11°C)
Visibility	10.00 mi
Last update	21 Sep 12:53 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Duquesne PASimilar City Names

Flood Watch September 21, 01:40pm until September 23, 08:00am

Click here for hazard details and duration

Flood Watch

Flood Watch September 21, 01:40pm until September 23, 08:00am
NOW until 8:00am Wed
Flood Watch
This Afternoon
High: 66 °F
Showers and
Patchy Fog
Tonight
Low: 56 °F
Showers
Tuesday
High: 67 °F
Showers
Likely
Tuesday Night
Low: 53 °F
Showers
Wednesday
High: 65 °F
Chance
Showers
Wednesday Night
Low: 51 °F
Chance
Showers
Thursday
High: 66 °F
Partly Sunny
Thursday Night
Low: 47 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, then showers after 3pm. Patchy fog between 4pm and 5pm. High near 66. Northeast wind 5 to 11 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers, mainly before 4am. Low around 56. Northeast wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday

Showers likely, mainly after 8am. Cloudy, with a high near 67. East wind 10 to 16 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Showers, mainly before 7pm. Low around 53. East wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

A chance of showers. Cloudy, with a high near 65. East wind around 15 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Partly sunny, with a high near 66.

Thursday Night

Partly cloudy, with a low around 47.

Friday

Mostly sunny, with a high near 69.

Friday Night

Partly cloudy, with a low around 48.

Saturday

Mostly sunny, with a high near 70.

Saturday Night

Partly cloudy, with a low around 49.