Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Overcast

46°F

8°C

Humidity	56%
Wind Speed	NW 16 G 26 mph
Barometer	29.96 in (1014.8 mb)
Dewpoint	31°F (-1°C)
Visibility	10.00 mi
Wind Chill	39°F (4°C)
Last update	19 Apr 12:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles WNW Williamsburg PA

Freeze Watch April 21, 12:00am until April 21, 09:00am

Freeze Warning April 20, 12:00am until April 20, 09:00am

Click here for hazard details and duration

Freeze Watch

Freeze Warning

This Afternoon
High: 52 °F
Mostly Sunny
Tonight
Low: 33 °F
Chance
Showers then
Chance
Rain/Snow
Monday
High: 46 °F
Frost then
Mostly Sunny
Monday Night
Low: 26 °F
Mostly Clear
then Frost
Tuesday
High: 61 °F
Sunny
Tuesday Night
Low: 46 °F
Chance
Showers
Wednesday
High: 70 °F
Chance
Showers
Wednesday Night
Low: 45 °F
Mostly Clear
Thursday
High: 77 °F
Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 52. West wind around 15 mph, with gusts as high as 29 mph.

Tonight

A chance of rain showers before 1am, then a chance of rain and snow showers between 1am and 2am, then a chance of rain showers after 2am. Areas of frost after 5am. Otherwise, increasing clouds, with a low around 33. West wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Widespread frost, mainly between 7am and 8am. Otherwise, mostly sunny, with a high near 46. Northwest wind 9 to 11 mph, with gusts as high as 24 mph.

Monday Night

Widespread frost after 3am. Otherwise, mostly clear, with a low around 26. Northwest wind around 6 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 61. Calm wind becoming south 5 to 7 mph in the afternoon.

Tuesday Night

A chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 30%.

Wednesday Night

Mostly clear, with a low around 45.

Thursday

Sunny, with a high near 77.

Thursday Night

Mostly clear, with a low around 51.

Friday

Mostly sunny, with a high near 81.

Friday Night

A chance of showers. Partly cloudy, with a low around 54. Chance of precipitation is 30%.