Dangerous Heat and Humidity Building from the Plains to the East Coast

A strengthening ridge of high pressure will produce much above average temperatures from the Plains to the East Coast, a true summer heat wave. Highs in the 90s and triple digits combined w/ humidity and dewpoints surging into the upper 70s, if not low 80s, will create heat indices as high as 110 to 115 through this weekend. Air quality will likely be poor due to haze and little air circulation. Read More >

Current conditions at

Eastern WV Regional Airport/Shepherd Field (KMRB)

Lat: 39.4°NLon: 77.98°WElev: 538ft.

Fair

79°F

26°C

Humidity 79%
Wind Speed S 3 mph
Barometer 29.89 in (1011.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Jul 9:53 pm EDT
Extended Forecast for

Martinsburg Arpt WV

Excessive Heat Watch July 19, 11:00am until July 19, 09:00pm
Excessive Heat Watch July 20, 11:00am until July 20, 09:00pm
Click here for hazard details and duration
Excessive Heat Watch
Excessive Heat Watch
  • Tonight

    Tonight: Scattered showers, mainly before 2am.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 71. Southwest wind 3 to 6 mph.  Chance of precipitation is 40%.

    Scattered
    Showers and
    Patchy Fog

    Low: 71 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly between 11am and 5pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 90. Northwest wind 3 to 7 mph.  Chance of precipitation is 40%.

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

    High: 90 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 72. Light west wind.

    Mostly Clear

    Low: 72 °F

  • Friday

    Friday: Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming west around 6 mph in the morning.

    Sunny

    High: 96 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 76. Calm wind becoming southwest around 5 mph.

    Mostly Clear

    Low: 76 °F

  • Saturday

    Saturday: A slight chance of showers and thunderstorms.  Sunny and hot, with a high near 99. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 99 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 77.

    Partly Cloudy

    Low: 77 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms.  Partly sunny, with a high near 96. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 96 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 76. Chance of precipitation is 50%.

    Chance
    T-storms

    Low: 76 °F

Detailed Forecast

Tonight
Scattered showers, mainly before 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms, mainly between 11am and 5pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 90. Northwest wind 3 to 7 mph. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 72. Light west wind.
Friday
Sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming west around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 76. Calm wind becoming southwest around 5 mph.
Saturday
A slight chance of showers and thunderstorms. Sunny and hot, with a high near 99. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 96. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
Monday
Showers and thunderstorms likely. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
Martinsburg Arpt WV
 39.41°N 77.97°W (Elev. 499 ft)
7:32 pm EDT Jul 17, 2019
10pm EDT Jul 17, 2019-6pm EDT Jul 24, 2019
 
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