Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Special Weather Statement

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Partly Cloudy

45°F

7°C

Humidity	77%
Wind Speed	N 7 mph
Barometer	30.31 in (1026.6 mb)
Dewpoint	38°F (3°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	11 Apr 7:53 am EDT

More Information:

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

Extended Forecast for

Williamsburg PA

Today
High: 63 °F
Sunny
Tonight
Low: 38 °F
Mostly Clear
Sunday
High: 70 °F
Mostly Sunny
Sunday Night
Low: 57 °F
Mostly Cloudy
Monday
High: 78 °F
Chance
Showers
Monday Night
Low: 61 °F
Slight Chance
Showers
Tuesday
High: 83 °F
Partly Sunny
then Chance
Showers
Tuesday Night
Low: 63 °F
Chance
Showers then
Mostly Cloudy
Wednesday
High: 87 °F
Partly Sunny
then Chance
Showers

Detailed Forecast

Today

Sunny, with a high near 63. Northwest wind around 7 mph.

Tonight

Mostly clear, with a low around 38. Calm wind.

Sunday

Mostly sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the morning.

Sunday Night

Mostly cloudy, with a low around 57. South wind around 6 mph.

Monday

A chance of showers. Mostly cloudy, with a high near 78. West wind 7 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Monday Night

A slight chance of showers before 2am. Partly cloudy, with a low around 61. Chance of precipitation is 20%.

Tuesday

A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.

Tuesday Night

A chance of showers before 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

Wednesday

A chance of showers after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

Wednesday Night

A chance of showers before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

Thursday

Partly sunny, with a high near 86.