Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from January 19, 01:00 PM EST until January 20, 01:00 PM EST

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Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

31°F

-1°C

Humidity	79%
Wind Speed	Calm
Barometer	30.14 in (1022.1 mb)
Dewpoint	25°F (-4°C)
Visibility	9.00 mi
Last update	19 Jan 12:53 am EST

More Information:

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

Extended Forecast for

Altoona-Blair County Airport PA

Winter Storm Warning January 19, 01:00pm until January 20, 01:00pm

Click here for hazard details and duration

Winter Storm Warning

Overnight

Mostly Cloudy
Low: 25 °F
Saturday

Snow Likely
then Heavy
Snow
High: 29 °F
Saturday
Night

Wintry Mix
Low: 21 °F
Sunday

Wintry Mix
Likely then
Partly Sunny
High: 23 °F
Sunday
Night

Mostly Cloudy
Low: 0 °F
M.L.King
Day

Mostly Sunny
High: 11 °F
Monday
Night

Mostly Clear
Low: 0 °F
Tuesday

Partly Sunny
High: 27 °F
Tuesday
Night

Snow Likely
Low: 23 °F

Detailed Forecast

Overnight

Mostly cloudy, with a low around 25. Light and variable wind.

Saturday

Snow, mainly after 10am. The snow could be heavy at times. High near 29. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

Saturday Night

Snow, freezing rain, and sleet before 10pm, then freezing rain and sleet between 10pm and 4am, then snow, freezing rain, and sleet likely after 4am. The snow could be heavy at times. Low around 21. East wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 100%. New ice accumulation of around a 0.1 of an inch possible. New snow and sleet accumulation of 3 to 7 inches possible.

Sunday

Snow, freezing rain, and sleet likely, mainly before 7am. Mostly cloudy, with a high near 23. Wind chill values as low as -5. Northwest wind 16 to 18 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

Mostly cloudy, with a low around 0. Northwest wind 14 to 17 mph, with gusts as high as 33 mph.

M.L.King Day

Mostly sunny, with a high near 11.

Monday Night

Mostly clear, with a low around 0.

Tuesday

Partly sunny, with a high near 27.

Tuesday Night

Snow likely, mainly after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

Wednesday

Rain and snow likely, becoming all rain after 1pm. Cloudy, with a high near 38. Chance of precipitation is 60%.