Arctic Blast Set to Arrive on Thanksgiving; Dangerous Wind Chills, Lake Effect Snow, Severe Thunderstorms

A significant arctic outbreak will arrive in the northern Rockies and northern Plains on Thanksgiving into Friday and advance farther south and east through much of the Plains and Midwest this weekend. Dangerous wind chill temperatures are expected with a significant long duration lake effect snow event possible downwind of the Great Lakes. Severe thunderstorms may be possible in the Southeast. Read More >

Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Fair

37°F

3°C

Humidity	70%
Wind Speed	W 16 G 22 mph
Barometer	30.00 in (1017.2 mb)
Dewpoint	28°F (-2°C)
Visibility	10.00 mi
Wind Chill	28°F (-2°C)
Last update	26 Nov 6:54 pm EST

More Information:

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

Extended Forecast for

Vintondale PA

Tonight
Low: 29 °F
Mostly Clear
Wednesday
High: 44 °F
Increasing
Clouds
Wednesday Night
Low: 36 °F
Rain Likely
then Rain
Thanksgiving Day
High: 40 °F
Rain
Thursday Night
Low: 31 °F
Chance
Showers then
Chance
Rain/Snow
Friday
High: 35 °F
Chance Snow
Showers
Friday Night
Low: 20 °F
Mostly Cloudy
Saturday
High: 28 °F
Partly Sunny
Saturday Night
Low: 20 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 29. West wind 8 to 11 mph, with gusts as high as 23 mph.

Wednesday

Increasing clouds, with a high near 44. West wind around 6 mph becoming calm in the afternoon.

Wednesday Night

Rain, mainly after 11pm. Low around 36. Southeast wind 5 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thanksgiving Day

Rain before 2pm, then showers likely, mainly between 2pm and 4pm. High near 40. Southeast wind 5 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Night

A chance of rain showers before 1am, then a slight chance of snow showers. Mostly cloudy, with a low around 31. West wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A chance of snow showers. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.

Friday Night

Mostly cloudy, with a low around 20.

Saturday

Partly sunny, with a high near 28.

Saturday Night

Mostly cloudy, with a low around 20.

Sunday

A chance of snow showers after 1pm. Partly sunny, with a high near 27. Chance of precipitation is 30%.

Sunday Night

A chance of snow showers. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.