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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

61°F

16°C

Humidity 58%
Wind Speed E 8 G 16 mph
Barometer 30.35 in (1028.2 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 10 Oct 6:53 pm EDT
Extended Forecast for

4 Miles WNW Williamsburg PA

  • Tonight

    Tonight: Rain likely, mainly after 4am. Cloudy, with a low around 54. East wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain. High near 63. East wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 63 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Patchy fog after 11pm. Otherwise, cloudy, with a low around 58. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Rain Likely
    and Patchy
    Fog then
    Chance Rain
    and Patchy
    Fog

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 72. Northwest wind 3 to 7 mph.

    High: 72 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. Light west wind.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain likely, mainly after 4am. Cloudy, with a low around 54. East wind 3 to 7 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. High near 63. East wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Rain likely, mainly before 10pm. Patchy fog after 11pm. Otherwise, cloudy, with a low around 58. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Partly sunny, with a high near 72. Northwest wind 3 to 7 mph.
Monday Night
Partly cloudy, with a low around 56. Light west wind.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 68.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Williamsburg PA
 40.48°N 78.26°W (Elev. 902 ft)
Last Update:
2:21 pm EDT Oct 10, 2026
Forecast Valid:
7pm EDT Oct 10, 2026-6pm EDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation