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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

Light Rain and Breezy

56°F

13°C

Humidity 100%
Wind Speed SE 23 G 30 mph
Barometer 30.10 in (1019.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 11 Oct 7:56 am EDT
Extended Forecast for

Renfrew PA

  • Today

    Today: Showers, mainly before 5pm. High near 61. East wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers

  • Tonight

    Tonight: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 55. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Columbus Day

    Columbus Day: Cloudy, then gradually becoming mostly sunny, with a high near 72. Northwest wind around 6 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. South wind 3 to 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 40%.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

Detailed Forecast

Today
Showers, mainly before 5pm. High near 61. East wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 55. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Cloudy, then gradually becoming mostly sunny, with a high near 72. Northwest wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 57. South wind 3 to 5 mph.
Tuesday
Sunny, with a high near 80. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 69.
Thursday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
Showers likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 54. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Renfrew PA
 40.81°N 79.96°W (Elev. 997 ft)
Last Update:
6:56 am EDT Oct 11, 2026
Forecast Valid:
8am EDT Oct 11, 2026-6pm EDT Oct 17, 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