National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Unknown Precip

N/A

Humidity NA
Wind Speed E 13 G 22 mph
Barometer 30.11 in
Dewpoint N/A
Visibility 10.00 mi
Last update 22 Sep 12:56 am EDT
Extended Forecast for

Petrolia PA

  • Overnight

    Overnight: A chance of showers. Patchy fog before 2am, then patchy fog after 3am. Otherwise, cloudy, with a low around 50. Light and variable wind becoming east 5 to 10 mph. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Showers likely, mainly before 10am. Patchy fog. Otherwise, cloudy, with a high near 58. East wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Showers
    Likely and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly between 11pm and 2am. Patchy fog before 2am. Otherwise, cloudy, with a low around 49. East wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. East wind around 10 mph, with gusts as high as 23 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. East wind around 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers. Patchy fog before 2am, then patchy fog after 3am. Otherwise, cloudy, with a low around 50. Light and variable wind becoming east 5 to 10 mph. Winds could gust as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, mainly before 10am. Patchy fog. Otherwise, cloudy, with a high near 58. East wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
A chance of showers, mainly between 11pm and 2am. Patchy fog before 2am. Otherwise, cloudy, with a low around 49. East wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a high near 63. East wind around 10 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 46. East wind around 7 mph.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petrolia PA
 41.03°N 79.72°W (Elev. 1302 ft)
Last Update:
1:46 am EDT Sep 22, 2026
Forecast Valid:
1am EDT Sep 22, 2026-6pm EDT Sep 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation