Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Hazardous Weather Conditions

Current conditions at

Eastern WV Regional Airport/Shepherd Field (KMRB)

Lat: 39.4°NLon: 77.98°WElev: 538ft.

Fair

69°F

21°C

Humidity 78%
Wind Speed S 6 mph
Barometer 30.03 in (1016.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 20 May 5:53 am EDT
Extended Forecast for

Martinsburg WV

  • Today

    Today: A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Increasing clouds, with a high near 94. Calm wind becoming west 5 to 8 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Sunny then
    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after 11pm.  Mostly cloudy, with a low around 55. North wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 2pm, then a chance of showers.  High near 65. Northeast wind 6 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 52. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers.  High near 61. East wind 6 to 8 mph.  Chance of precipitation is 90%.

    High: 61 °F

    Showers

  • Friday Night

    Friday Night: Showers.  Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 63. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 2am.  Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers.  Mostly cloudy, with a high near 71. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Increasing clouds, with a high near 94. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, then showers likely after 11pm. Mostly cloudy, with a low around 55. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 65. Northeast wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers. High near 61. East wind 6 to 8 mph. Chance of precipitation is 90%.
Friday Night
Showers. Low around 48. Chance of precipitation is 90%.
Saturday
Showers. High near 63. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Martinsburg WV
 39.45°N 77.97°W (Elev. 410 ft)
4:53 am EDT May 20, 2026
6am EDT May 20, 2026-6pm EDT May 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database