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

Hazardous Weather Outlook

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Fog/Mist

65°F

18°C

Humidity	97%
Wind Speed	S 9 mph
Barometer	29.91 in (1013.0 mb)
Dewpoint	64°F (18°C)
Visibility	3.00 mi
Last update	16 Oct 12:53 am EDT

More Information:

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

Extended Forecast for

2 Miles SW Castle Shannon PA

Overnight
Low: 63 °F
Scattered
Showers
Friday
High: 72 °F⇓
Showers and
Breezy
Friday Night
Low: 41 °F
Showers
Likely
Saturday
High: 50 °F
Becoming
Sunny
Saturday Night
Low: 34 °F
Clear then
Patchy Frost
Sunday
High: 59 °F
Areas Frost
then Sunny
Sunday Night
Low: 37 °F
Clear
Monday
High: 64 °F
Sunny
Monday Night
Low: 40 °F
Mostly Clear

Detailed Forecast

Overnight

Scattered showers and thunderstorms before 5am, then isolated thunderstorms after 5am. Cloudy, then gradually becoming partly cloudy, with a low around 63. South wind 10 to 14 mph, with gusts as high as 25 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. Temperature rising to near 72 by 11am, then falling to around 59 during the remainder of the day. Breezy, with a southwest wind 16 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Showers likely, mainly before midnight. Mostly cloudy, with a low around 41. West wind around 16 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Mostly cloudy through mid morning, then gradual clearing, with a high near 50. North wind 14 to 16 mph.

Saturday Night

Patchy frost after midnight. Otherwise, clear, with a low around 34. North wind around 6 mph becoming calm in the evening.

Sunday

Areas of frost before 9am. Otherwise, sunny, with a high near 59.

Sunday Night

Clear, with a low around 37.

Monday

Sunny, with a high near 64.

Monday Night

Mostly clear, with a low around 40.