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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

57°F

14°C

Humidity 58%
Wind Speed Vrbl 3 mph
Barometer 30.40 in (1029.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 10 Oct 9:54 am EDT
Extended Forecast for

Westmont PA

Wind Advisory October 10, 08:00pm until October 11, 02:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Mostly cloudy, with a high near 66. Southeast wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 66 °F

    Mostly Cloudy

  • Tonight

    Tonight: Periods of rain, mainly after 2am. Low around 54. Southeast wind 13 to 16 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Slight Chance
    Rain then
    Rain

  • Sunday

    Sunday: Periods of rain, mainly before 4pm. High near 62. Southeast wind 14 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain

  • Sunday Night

    Sunday Night: Periods of rain, mainly before 2am. Patchy fog after midnight. Low around 57. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Rain and
    Patchy Fog

  • Columbus Day

    Columbus Day: A chance of rain before 8am. Mostly cloudy, with a high near 66. Northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 66. Southeast wind 7 to 11 mph, with gusts as high as 23 mph.
Tonight
Periods of rain, mainly after 2am. Low around 54. Southeast wind 13 to 16 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Periods of rain, mainly before 4pm. High near 62. Southeast wind 14 to 18 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Periods of rain, mainly before 2am. Patchy fog after midnight. Low around 57. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Columbus Day
A chance of rain before 8am. Mostly cloudy, with a high near 66. Northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
A chance of showers after 2pm. Mostly sunny, with a high near 73. Chance of precipitation is 40%.
Tuesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Wednesday
Partly sunny, with a high near 63.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 46. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 63. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Friday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westmont PA
 40.32°N 78.98°W (Elev. 1959 ft)
Last Update:
8:55 am EDT Oct 10, 2026
Forecast Valid:
10am EDT Oct 10, 2026-6pm EDT Oct 16, 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