Critical Fire Weather Conditions Continue; Pacific Storm to Bring Heavy Snow to the Sierra-Nevada

Critical fire weather conditions are forecast for the Southern Plains and portions of Florida through Thursday, as gusty winds and dry conditions return to the region. A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast and central Great Basin, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

51°F

11°C

Humidity 28%
Wind Speed S 7 G 20 mph
Barometer 30.24 in (1025.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 21 Apr 12:53 pm EDT
Extended Forecast for

4 Miles WNW Williamsburg PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 60. South wind around 7 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Scattered showers after 4am.  Mostly cloudy, with a low around 45. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Partly Cloudy
    then
    Scattered
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 7am.  Partly sunny, with a high near 70. West wind 3 to 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Light west wind.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77. Light northwest wind.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 2pm.  Mostly sunny, with a high near 78. Chance of precipitation is 30%.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers.  Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers.  High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 60. South wind around 7 mph.
Tonight
Scattered showers after 4am. Mostly cloudy, with a low around 45. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers likely, mainly before 7am. Partly sunny, with a high near 70. West wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 47. Light west wind.
Thursday
Sunny, with a high near 77. Light northwest wind.
Thursday Night
Mostly clear, with a low around 51.
Friday
A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Saturday
Showers. High near 65. Chance of precipitation is 80%.
Saturday Night
Showers, mainly before 2am. Low around 46. Chance of precipitation is 80%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 44.
Monday
A chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.29°W (Elev. 988 ft)
8:06 am EDT Apr 21, 2026
1pm EDT Apr 21, 2026-6pm EDT Apr 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database