Dangerous Heat Building in the West; Severe Storms in the Upper Midwest

A long duration heat wave will build across the Southwest, California, and Pacific Northwest. Dangerous heat is also forecast for the Great Basin and South Plains. Severe storms in the Upper Midwest may have locally heavy rain, damaging winds, and very large hail. Heavy rain and flooding will also be possible in the Deep South and Appalachians. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair

79°F

26°C

Humidity 74%
Wind Speed SE 3 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility NA
Heat Index82°F (28°C)
Last update 13 Aug 9:53 pm EDT
Extended Forecast for

Williamsport MD

  • Overnight

    Overnight: A slight chance of showers, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 71. Light northeast wind.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 71 °F

  • Friday

    Friday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 87. Northeast wind 6 to 8 mph.  Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 87 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Northeast wind 3 to 6 mph.  Chance of precipitation is 40%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 67 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rain.  Mostly cloudy, with a high near 79. Northeast wind 5 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 79 °F

  • Saturday
    Night

    Saturday Night: Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rain.  Cloudy, with a low around 66. East wind 5 to 7 mph.  Chance of precipitation is 70%.

    Heavy Rain

    Low: 66 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    Showers
    Likely

    High: 79 °F

  • Sunday
    Night

    Sunday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 64 °F

  • Monday

    Monday: A chance of showers after 8am.  Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    Chance
    Showers

    High: 84 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 62.

    Mostly Clear

    Low: 62 °F

Detailed Forecast

Overnight
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Light northeast wind. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 87. Northeast wind 6 to 8 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 79. Northeast wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm. Some of the storms could produce heavy rain. Cloudy, with a low around 66. East wind 5 to 7 mph. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Monday
A chance of showers after 8am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Williamsport MD
 39.59°N 77.83°W (Elev. 348 ft)
10:31 pm EDT Aug 13, 2020
12am EDT Aug 14, 2020-6pm EDT Aug 19, 2020
 
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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