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.

Light Rain

45°F

7°C

Humidity 100%
Wind Speed S 8 mph
Barometer 29.77 in (1009.5 mb)
Dewpoint 45°F (7°C)
Visibility 9.00 mi
Wind Chill41°F (5°C)
Last update 10 Jan 6:54 pm EST
Extended Forecast for

Twin Rocks PA

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

  • Tonight

    Tonight: Rain, mainly before midnight. Low around 28. Southeast wind 6 to 11 mph becoming west in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 28 °F

    Rain then
    Chance Rain

  • Sunday

    Sunday: A chance of snow showers, mainly after 9am. The snow could be heavy at times. Cloudy, with a high near 31. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Heavy Snow
    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 17 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow
    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 33. West wind around 16 mph, with gusts as high as 32 mph.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain before 1pm, then rain and snow likely. Cloudy, with a high near 39. Chance of precipitation is 70%.

    High: 39 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.

    Low: 19 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain, mainly before midnight. Low around 28. Southeast wind 6 to 11 mph becoming west in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of snow showers, mainly after 9am. The snow could be heavy at times. Cloudy, with a high near 31. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A chance of snow showers, mainly before 10pm. Mostly cloudy, with a low around 23. Breezy, with a west wind 17 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 33. West wind around 16 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 28. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
A chance of rain before 1pm, then rain and snow likely. Cloudy, with a high near 39. Chance of precipitation is 70%.
Wednesday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 50%.
Thursday
A chance of snow showers before 1pm. Partly sunny, with a high near 24. 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 29. 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 30. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Twin Rocks PA
 40.53°N 78.84°W (Elev. 1900 ft)
Last Update:
7:11 pm EST Jan 10, 2026
Forecast Valid:
7pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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