Powerful Pacific System Impacting the West; First Significant Snow for Portions of the East

Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Light Snow Fog/Mist

33°F

1°C

Humidity	96%
Wind Speed	W 5 mph
Barometer	29.61 in (1004.1 mb)
Dewpoint	32°F (0°C)
Visibility	3.00 mi
Wind Chill	28°F (-2°C)
Last update	21 Nov 6:54 am EST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Revloc PA

Winter Storm Warning November 21, 01:00pm until November 23, 07:00am

Click here for hazard details and duration

Winter Storm Warning

Today
High: 35 °F
Chance Snow
Showers then
Rain/Snow
Tonight
Low: 28 °F
Heavy Snow
Friday
High: 36 °F
Rain/Snow
Friday Night
Low: 33 °F
Rain/Snow
Likely
Saturday
High: 40 °F
Showers
Likely
Saturday Night
Low: 33 °F
Chance
Showers
Sunday
High: 39 °F
Mostly Cloudy
Sunday Night
Low: 31 °F
Mostly Cloudy
Monday
High: 46 °F
Mostly Cloudy
then Chance
Showers

Detailed Forecast

Today

A chance of snow showers before 2pm, then snow showers likely, possibly mixed with rain between 2pm and 3pm, then snow showers after 3pm. High near 35. West wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Snow showers likely, mainly before midnight, then snow likely after 1am. The snow could be heavy at times. Cloudy, with a low around 28. West wind 9 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow, possibly mixed with rain. The snow could be heavy at times. High near 36. West wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday Night

Rain and snow showers likely, becoming all rain after 4am. Mostly cloudy, with a low around 33. Northwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

Showers likely, mainly before 1pm. Cloudy, with a high near 40. West wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

A chance of showers, mainly before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Sunday

Mostly cloudy, with a high near 39.

Sunday Night

Mostly cloudy, with a low around 31.

Monday

A chance of showers after 1pm. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.

Monday Night

Showers likely, mainly before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

Tuesday

A chance of showers. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.

Tuesday Night

Mostly cloudy, with a low around 28.