Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. 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

68°F

20°C

Humidity	100%
Wind Speed	NW 3 mph
Barometer	30.20 in (1022.5 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	18 Sep 7:56 am EDT

More Information:

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

Extended Forecast for

3 Miles ENE Portersville PA

Today
High: 76 °F
Decreasing
Clouds
Tonight
Low: 55 °F
Partly Cloudy
Saturday
High: 74 °F
Partly Sunny
Saturday Night
Low: 61 °F
Chance
Showers then
Showers
Likely
Sunday
High: 74 °F
Showers
Sunday Night
Low: 57 °F
Showers
Likely
Monday
High: 68 °F
Mostly Cloudy
then Chance
Showers
Monday Night
Low: 56 °F
Showers
Likely
Tuesday
High: 65 °F
Showers
Likely

Detailed Forecast

Today

Mostly cloudy, then gradually becoming sunny, with a high near 76. North wind around 6 mph.

Tonight

Partly cloudy, with a low around 55. North wind around 5 mph becoming east after midnight.

Saturday

Partly sunny, with a high near 74. East wind around 6 mph.

Saturday Night

A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 61. East wind 3 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers likely and possibly a thunderstorm before 8am, then showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 74. Light and variable wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 40%.

Monday Night

Showers likely, mainly after 2am. Cloudy, with a low around 56. Chance of precipitation is 60%.

Tuesday

Showers likely. Cloudy, with a high near 65. Chance of precipitation is 70%.

Tuesday Night

Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

Wednesday

Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.