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

Critical Fire Weather Conditions and Severe Thunderstorms Today

Scattered severe thunderstorms are possible across portions of the northern High Plains this 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 today and the southern High Plains on Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

A Few Clouds

63°F

17°C

Humidity 60%
Wind Speed S 20 G 28 mph
Barometer 29.81 in (1009.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 13 May 1:53 pm EDT
Extended Forecast for

Martinsburg PA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 65. Southwest wind around 15 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: 65 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 10pm. Low around 43. West wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 56. Northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 44. Northwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 68. Northwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 65. Southwest wind around 15 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.
Tonight
Showers and possibly a thunderstorm before 9pm, then a slight chance of showers between 9pm and 10pm. Low around 43. West wind 6 to 9 mph. 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, mainly after 1pm. Partly sunny, with a high near 56. Northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 44. Northwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 68. Northwest wind 13 to 15 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 48.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Martinsburg PA
 40.31°N 78.32°W (Elev. 1407 ft)
Last Update:
2:06 pm EDT May 13, 2026
Forecast Valid:
2pm EDT May 13, 2026-6pm EDT May 19, 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