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

Hazardous Weather Outlook

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Overcast

60°F

16°C

Humidity	86%
Wind Speed	E 13 G 22 mph
Barometer	30.06 in (1018.2 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Last update	21 Sep 7:56 am EDT

More Information:

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

Extended Forecast for

4 Miles NE Portersville PA

Today
High: 64 °F
Showers
Likely and
Patchy Fog
Tonight
Low: 52 °F
Chance
Showers
Tuesday
High: 63 °F
Chance
Showers
Tuesday Night
Low: 50 °F
Showers
Likely
Wednesday
High: 62 °F
Showers
Likely
Wednesday Night
Low: 49 °F
Chance
Showers
Thursday
High: 64 °F
Partly Sunny
Thursday Night
Low: 45 °F
Partly Cloudy
Friday
High: 68 °F
Sunny

Detailed Forecast

Today

A chance of showers before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers likely after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 64. East wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers. Cloudy, with a low around 52. East wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday

A chance of showers before noon, then a chance of showers after 1pm. Cloudy, with a high near 63. East wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Night

Showers likely, mainly after 2am. Mostly cloudy, with a low around 50. East wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday

Showers likely, mainly before 8am. Mostly cloudy, with a high near 62. East wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

Partly sunny, with a high near 64.

Thursday Night

Partly cloudy, with a low around 45.

Friday

Sunny, with a high near 68.

Friday Night

Partly cloudy, with a low around 46.

Saturday

Mostly sunny, with a high near 68.

Saturday Night

Partly cloudy, with a low around 48.