Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

60°F

16°C

Humidity	70%
Wind Speed	S 12 mph
Barometer	30.06 in (1017.6 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	31 Mar 12:53 am EDT

More Information:

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

Extended Forecast for

4 Miles N Williamsburg PA

Overnight
Low: 59 °F
Partly Cloudy
Tuesday
High: 77 °F
Chance
Showers
Tuesday Night
Low: 63 °F
Chance
T-storms
Wednesday
High: 70 °F
Showers
Wednesday Night
Low: 52 °F
Showers
Thursday
High: 70 °F
Showers
Likely
Thursday Night
Low: 54 °F
Showers
Likely then
Mostly Cloudy
Friday
High: 78 °F
Mostly Cloudy
then Chance
T-storms
Friday Night
Low: 57 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Overnight

Partly cloudy, with a low around 59. Southwest wind around 7 mph, with gusts as high as 20 mph.

Tuesday

A chance of showers and thunderstorms, mainly between 4pm and 5pm. Partly sunny, with a high near 77. Southwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely, then showers and possibly a thunderstorm after 8am. High near 70. West wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 52. Light northeast wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

Friday

A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

Saturday

Showers likely, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.

Saturday Night

Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

Sunday

Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

Sunday Night

A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.

Monday

Mostly sunny, with a high near 57.