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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Eastern WV Regional Airport/Shepherd Field (KMRB)

Lat: 39.4°NLon: 77.98°WElev: 538ft.

Fair

89°F

32°C

Humidity 30%
Wind Speed S 7 mph
Barometer 29.87 in (1010.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 15 Apr 4:53 pm EDT
Extended Forecast for

Martinsburg Arpt WV

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 89 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 64. West wind around 7 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 2pm. Partly sunny, with a high near 82. Northwest wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Light northeast wind.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. Southwest wind 5 to 9 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 64. West wind around 7 mph. Chance of precipitation is 40%.
Friday
A chance of showers, mainly before 2pm. Partly sunny, with a high near 82. Northwest wind 7 to 9 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 56. Light northeast wind.
Saturday
A chance of showers after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 76.
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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:
4:53 pm EDT Apr 15, 2026
Forecast Valid:
5pm EDT Apr 15, 2026-6pm EDT Apr 22, 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