National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

58°F

14°C

Humidity 53%
Wind Speed Calm
Barometer 30.01 in (1016.2 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 12 May 11:53 pm EDT
Extended Forecast for

2 Miles S Williamsburg PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Light south wind.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 69. Southwest wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Scattered
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 1am. Low around 45. West wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, with a high near 56. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 56 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Light south wind.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 69. Southwest wind 9 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 1am. Low around 45. West wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy, with a high near 56. Northwest wind 11 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 45. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Williamsburg PA
 40.43°N 78.21°W (Elev. 1168 ft)
Last Update:
10:51 pm EDT May 12, 2026
Forecast Valid:
11pm EDT May 12, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation