Winter Storm To Impact Parts Of The Ohio Valley and Great Lakes To Northern New England

A developing winter storm will sweep up through the Northeastern quadrant of the U.S. over the next two days. A swath of heavy snow will be followed by lake effect snow from parts of the Ohio Valley and Great Lakes to northern New England. Also, locally heavy rain will be possible across portions of the Northeast, while a potential line of strong thunderstorms may roll through the Mid-Atlantic. Read More >

Hazardous Weather Conditions

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Current conditions at

Johnstown - Cambria County Airport (KJST)

Lat: 40.31°NLon: 78.83°WElev: 2274ft.

Overcast

46°F

8°C

Humidity	89%
Wind Speed	SW 8 mph
Barometer	29.80 in (1010.0 mb)
Dewpoint	43°F (6°C)
Visibility	9.00 mi
Wind Chill	42°F (6°C)
Last update	26 Feb 4:54 am EST

More Information:

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

Extended Forecast for

Davidsville PA

Wind Advisory February 27, 03:00am until February 28, 01:00am

Winter Weather Advisory February 26, 08:00pm until February 27, 12:00pm

Click here for hazard details and duration

Wind Advisory

Winter Weather Advisory

Overnight

Showers
Likely
Low: 41 °F
Wednesday

Rain Likely
High: 51 °F
Wednesday
Night

Rain/Snow
Low: 24 °F
Thursday

Chance Snow
Showers and
Breezy
High: 27 °F
Thursday
Night

Slight Chance
Snow Showers
and Breezy
Low: 17 °F
Friday

Mostly Cloudy
then Slight
Chance Snow
Showers
High: 29 °F
Friday
Night

Mostly Cloudy
Low: 17 °F
Saturday

Mostly Cloudy
High: 28 °F
Saturday
Night

Mostly Cloudy
Low: 16 °F

Detailed Forecast

Overnight

Showers likely. Mostly cloudy, with a low around 41. South wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Rain likely, with thunderstorms also possible after 5pm. Cloudy, with a high near 51. South wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Rain, possibly mixed with snow showers before 1am, then snow showers likely, possibly mixed with rain between 1am and 2am, then snow showers likely after 2am. Some thunder is also possible. Low around 24. South wind 8 to 18 mph becoming west after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday

A chance of snow showers, mainly before 7am. Mostly cloudy, with a high near 27. Breezy, with a west wind 22 to 24 mph, with gusts as high as 50 mph. Chance of precipitation is 30%.

Thursday Night

A slight chance of snow showers. Cloudy, with a low around 17. Breezy, with a west wind 18 to 21 mph, with gusts as high as 46 mph. Chance of precipitation is 20%.

Friday

A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 20%.

Friday Night

Mostly cloudy, with a low around 17.

Saturday

Mostly cloudy, with a high near 28.

Saturday Night

Mostly cloudy, with a low around 16.

Sunday

Mostly sunny, with a high near 35.

Sunday Night

Partly cloudy, with a low around 20.