Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Light Rain Fog/Mist

56°F

13°C

Humidity	97%
Wind Speed	NE 7 mph
Barometer	30.08 in (1019.0 mb)
Dewpoint	55°F (13°C)
Visibility	4.00 mi
Last update	22 Sep 12:53 am EDT

More Information:

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

Extended Forecast for

2 Miles NNE Monongahela PA

Flood Watch September 22, 01:21am until September 23, 08:00am

Click here for hazard details and duration

Flood Watch

Flood Watch September 22, 01:21am until September 23, 08:00am
NOW until 8:00am Wed
Flood Watch
Overnight
Low: 56 °F
Chance
Showers and
Patchy Fog
Tuesday
High: 64 °F
Chance
Showers and
Patchy Fog
Tuesday Night
Low: 53 °F
Chance
Showers and
Patchy Fog
Wednesday
High: 62 °F
Slight Chance
Showers
Wednesday Night
Low: 51 °F
Slight Chance
Showers
Thursday
High: 64 °F
Mostly Sunny
Thursday Night
Low: 45 °F
Mostly Clear
Friday
High: 66 °F
Sunny

Detailed Forecast

Overnight

A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 56. Northeast wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers. Patchy fog before 3pm, then patchy fog after 4pm. Otherwise, cloudy, with a high near 64. East wind 9 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

A chance of showers. Patchy fog after 9pm. Otherwise, cloudy, with a low around 53. East wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

A slight chance of showers before 3pm. Mostly cloudy, with a high near 62. East wind around 14 mph. Chance of precipitation is 20%.

Wednesday Night

A slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 51. East wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

Thursday

Mostly sunny, with a high near 64.

Thursday Night

Mostly clear, with a low around 45.

Friday

Sunny, with a high near 66.

Friday Night

Mostly clear, with a low around 45.

Saturday

Sunny, with a high near 67.

Saturday Night

Partly cloudy, with a low around 48.