
Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday
Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >
Current conditions at
Johnstown - Cambria County Airport (KJST)
Lat: 40.31°NLon: 78.83°WElev: 2274ft.
Overcast
31°F
-1°C
| Humidity | 89% |
| Wind Speed | W 17 G 25 mph |
| Barometer | 29.85 in (1013.0 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 14 Nov 7:54 am EST |
Extended Forecast for
Twin Rocks PA
Today
High: 39 °F
Chance
Rain/Snow
then
Rain/SnowTonight
Low: 32 °F
Rain/Snow
Likely then
Snow Showers
LikelySunday
High: 41 °F
Slight Chance
Rain/Snow
then Mostly
CloudySunday Night

Low: 32 °F
Mostly Cloudy
Monday

High: 45 °F
Mostly Cloudy
Monday Night

Low: 27 °F
Partly Cloudy
Tuesday

High: 50 °F
Sunny
Tuesday Night

Low: 28 °F
Clear
Wednesday

High: 55 °F
Sunny
Detailed Forecast
Today
A chance of snow showers before 11am, then rain and snow showers likely between 11am and 5pm, then rain showers after 5pm. High near 39. West wind 10 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers likely, possibly mixed with rain, becoming all snow after midnight. Cloudy, with a low around 32. West wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
A slight chance of rain and snow showers before 10am, then a chance of sprinkles between 10am and 1pm. Mostly cloudy, with a high near 41. Northwest wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 32. Northwest wind 3 to 6 mph.
Monday
Mostly cloudy, with a high near 45. Northwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Clear, with a low around 28.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 60.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Twin Rocks PA
40.51°N 78.87°W (Elev. 1831 ft)
40.51°N 78.87°W (Elev. 1831 ft)
7:05 am EST Nov 14, 2026
8am EST Nov 14, 2026-6pm EST Nov 20, 2026


