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

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

43°F

6°C

Humidity 93%
Wind Speed S 15 mph
Barometer 29.82 in (1011.0 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 10 Jan 2:54 pm EST
Extended Forecast for

3 Miles ESE Twin Rocks PA

Wind Advisory January 11, 10:00am until January 12, 01:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Showers, mainly before 4pm. High near 43. Southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Showers

  • Tonight

    Tonight: Showers, mainly before 1am. Low around 27. South wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 27 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of snow showers, mainly after 9am. Mostly cloudy, with a high near 30. Breezy, with a west wind 14 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Chance Snow
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 20 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow
    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 32. West wind around 17 mph, with gusts as high as 33 mph.

    High: 32 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain before 1pm, then rain and snow likely. Cloudy, with a high near 38. Chance of precipitation is 70%.

    High: 38 °F

    Chance Rain
    then
    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Showers, mainly before 4pm. High near 43. Southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before 1am. Low around 27. South wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of snow showers, mainly after 9am. Mostly cloudy, with a high near 30. Breezy, with a west wind 14 to 21 mph, with gusts as high as 43 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 20 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 32. West wind around 17 mph, with gusts as high as 33 mph.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A chance of rain before 1pm, then rain and snow likely. Cloudy, with a high near 38. Chance of precipitation is 70%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Thursday
A chance of snow showers. Partly sunny, with a high near 22. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
A chance of snow showers. Mostly cloudy, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Twin Rocks PA
 40.51°N 78.81°W (Elev. 2221 ft)
Last Update:
1:06 pm EST Jan 10, 2026
Forecast Valid:
3pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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