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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Eastern WV Regional Airport/Shepherd Field (KMRB)

Lat: 39.4°NLon: 77.98°WElev: 538ft.

Fair

N/A

Humidity NA
Wind Speed S 6 mph
Barometer 30.10 in
Dewpoint N/A
Visibility 10.00 mi
Last update 21 Apr 7:53 pm EDT
Extended Forecast for

Martinsburg Arpt WV

  • Tonight

    Tonight: Increasing clouds, with a low around 46. South wind around 8 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the morning.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    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 63. Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 2am. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 46. South wind around 8 mph.
Wednesday
A chance of showers before 4pm, then a slight chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. Southwest wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 51. Northwest wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 79. Calm wind becoming northwest around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 52. Calm wind.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Saturday
Showers. High near 63. 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 61. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A chance of showers. Mostly sunny, with a high near 68. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Tuesday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Martinsburg Arpt WV
 39.41°N 77.97°W (Elev. 499 ft)
Last Update:
7:53 pm EDT Apr 21, 2026
Forecast Valid:
8pm EDT Apr 21, 2026-6pm EDT Apr 28, 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