Winter Storm System To Bring Widespread Impacts Across the Eastern Half of the U.S. Through Midweek

A developing winter storm system will bring a swath of heavy snow and ice from Oklahoma into the Midwest, Ohio Valley, Mid Atlantic, and the Northeast U.S. Tuesday through Wednesday. Areas of dangerous travel are likely. Further South, several inches of heavy rain will lead to the potential for flooding in the lower Mississippi and Tennessee River Valleys. Read More >

Hazardous Weather Conditions

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Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

18°F

-8°C

Humidity	68%
Wind Speed	NW 8 mph
Barometer	30.45 in (1033.5 mb)
Dewpoint	9°F (-13°C)
Visibility	10.00 mi
Wind Chill	8°F (-13°C)
Last update	19 Feb 3:53 am EST

More Information:

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

Extended Forecast for

3 Miles ESE Entriken PA

Winter Storm Watch February 20, 04:00am until February 21, 06:00am

Click here for hazard details and duration

Winter Storm Watch

Today

Mostly Sunny
High: 33 °F
Tonight

Mostly Cloudy
then Chance
Snow
Low: 24 °F
Wednesday

Snow then
Wintry Mix
High: 31 °F
Wednesday
Night

Wintry Mix
Low: 31 °F
Thursday

Slight Chance
Showers
High: 45 °F
Thursday
Night

Mostly Cloudy
Low: 29 °F
Friday

Partly Sunny
High: 42 °F
Friday
Night

Mostly Cloudy
Low: 30 °F
Saturday

Chance
Rain/Snow
High: 40 °F

Detailed Forecast

Today

Mostly sunny, with a high near 33. Northwest wind 3 to 6 mph.

Tonight

A chance of snow after 1am. Increasing clouds, with a low around 24. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Wednesday

Snow before 1pm, then snow and sleet between 1pm and 4pm, then freezing rain and sleet after 4pm. High near 31. Southeast wind 6 to 10 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 3 to 7 inches possible.

Wednesday Night

Freezing rain and sleet before 10pm, then rain, freezing rain, and sleet between 10pm and 1am, then rain or freezing rain likely after 1am. Low around 31. Southeast wind 6 to 10 mph becoming southwest after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

A slight chance of showers before 1pm. Mostly cloudy, with a high near 45. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Thursday Night

Mostly cloudy, with a low around 29.

Friday

Partly sunny, with a high near 42.

Friday Night

Mostly cloudy, with a low around 30.

Saturday

A chance of rain and snow before 1pm, then a chance of rain. Cloudy, with a high near 40. Chance of precipitation is 40%.

Saturday Night

Rain and snow likely. Cloudy, with a low around 33. Chance of precipitation is 60%.

Sunday

Showers likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.