Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Light Rain

47°F

8°C

Humidity	61%
Wind Speed	Calm
Barometer	29.99 in (1015.7 mb)
Dewpoint	34°F (1°C)
Visibility	10.00 mi
Last update	22 Apr 4:53 am EDT

More Information:

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

Extended Forecast for

4 Miles WNW Williamsburg PA

Overnight
Low: 49 °F
Scattered
Showers
Wednesday
High: 72 °F
Scattered
Showers then
Mostly Sunny
Wednesday Night
Low: 47 °F
Mostly Clear
Thursday
High: 78 °F
Sunny
Thursday Night
Low: 51 °F
Mostly Clear
Friday
High: 77 °F
Chance
Showers then
Chance
T-storms
Friday Night
Low: 52 °F
Chance
T-storms then
Showers
Likely
Saturday
High: 58 °F
Showers
Saturday Night
Low: 44 °F
Showers
Likely

Detailed Forecast

Overnight

Scattered showers. Cloudy, with a low around 49. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Scattered showers, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 72. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

Mostly clear, with a low around 47. Northwest wind around 6 mph becoming calm in the evening.

Thursday

Sunny, with a high near 78. Light northwest wind.

Thursday Night

Mostly clear, with a low around 51. Calm wind.

Friday

A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

Saturday

Showers. High near 58. Chance of precipitation is 90%.

Saturday Night

Showers likely, mainly before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

Sunday

A chance of showers before 2pm. Partly sunny, with a high near 64. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 43.

Monday

Mostly sunny, with a high near 69.