Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

54°F

12°C

Humidity	87%
Wind Speed	Calm
Barometer	30.16 in (1021.4 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	15 Oct 5:53 am EDT

More Information:

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

Extended Forecast for

Castle Shannon PA

Today
High: 70 °F
Mostly Cloudy
Tonight
Low: 64 °F
Scattered
Showers
Friday
High: 72 °F⇓
Showers and
Breezy
Friday Night
Low: 42 °F
Showers
Likely
Saturday
High: 51 °F
Mostly Sunny
Saturday Night
Low: 34 °F
Mostly Clear
then Patchy
Frost
Sunday
High: 59 °F
Areas Frost
then Sunny
Sunday Night
Low: 38 °F
Mostly Clear
Monday
High: 62 °F
Sunny

Detailed Forecast

Today

Mostly cloudy, with a high near 70. Northeast wind 5 to 8 mph becoming southeast in the afternoon.

Tonight

Scattered showers and thunderstorms before 5am, then isolated showers. Mostly cloudy, with a low around 64. Southeast wind 7 to 14 mph becoming south after midnight. Winds could gust 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 and thunderstorms likely before noon, then showers and possibly a thunderstorm between noon and 3pm, then a chance of showers after 3pm. Temperature rising to near 72 by 11am, then falling to around 60 during the remainder of the day. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. West wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Mostly sunny, with a high near 51. North wind 14 to 16 mph.

Saturday Night

Patchy frost after 2am. Otherwise, mostly clear, with a low around 34.

Sunday

Areas of frost before 8am. Otherwise, sunny, with a high near 59.

Sunday Night

Mostly clear, with a low around 38.

Monday

Sunny, with a high near 62.

Monday Night

Partly cloudy, with a low around 42.