Showers and Thunderstorms from the Southern Plains into the Mid-Mississippi Valley; Record Warmth in the Plains and Midwest

Heavy rain and widely scattered severe storms capable of large hail, damaging winds, and possibly a tornado are expected over portions of the central and southern Plains into the Lower Missouri Valley. Unseasonable warmth will continue for a few more days across the Midwest and Southeast 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.

Fair

69°F

21°C

Humidity	76%
Wind Speed	SW 10 mph
Barometer	29.94 in (1013.4 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	14 Oct 1:53 am EDT

More Information:

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

Extended Forecast for

Castle Shannon PA

Overnight
Low: 65 °F
Mostly Clear
Wednesday
High: 76 °F
Showers
Wednesday Night
Low: 54 °F
Chance
Showers then
Mostly Cloudy
Thursday
High: 71 °F
Mostly Cloudy
then Chance
Showers
Thursday Night
Low: 62 °F
Showers
Friday
High: 70 °F
Showers and
Breezy
Friday Night
Low: 40 °F
Chance
Showers and
Breezy
Saturday
High: 51 °F
Mostly Sunny
Saturday Night
Low: 34 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 65. Calm wind becoming southwest 5 to 9 mph.

Wednesday

Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. High near 76. Southwest wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 54. North wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

A chance of showers between noon and 4pm. Mostly cloudy, with a high near 71. Northeast wind 5 to 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 62. Southeast wind 6 to 16 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Showers. High near 70. Breezy. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

A chance of showers before 2am. Mostly cloudy, with a low around 40. Breezy. Chance of precipitation is 50%.

Saturday

Mostly sunny, with a high near 51.

Saturday Night

Mostly clear, with a low around 34.

Sunday

Sunny, with a high near 61.

Sunday Night

Mostly clear, with a low around 41.