On July 7, 2015, NWS implemented changes to the icons depicted on all of its point-forecast pages. Changes include new icon images with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

A page depicting all of the new icon images can be accessed here: www.weather.gov/forecast-icons

Changes to the icons were based on analysis of 6,700 public comments collected in 2014. Also, many of these changes are based on the results of a research project led by the National Center for Atmospheric Research.

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Strong Thunderstorms Possible for Portions of the Great Lake States

Storms over the Great Lake States may contain heavy rain and strong winds. More thunderstorms are possible over the Desert Southwest and central Plains. High fire danger continues in the Great Basin. Very warm and humid conditions continue across the south, southeast and mid-Atlantic states.
Read More...

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Fair with Haze

77°F

25°C

Humidity 77%
Wind Speed SE 6 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 69°F (21°C)
Visibility 6.00 mi
Heat Index79°F (26°C)
Last update 3 Sep 10:53 pm EDT
Extended Forecast for

Williamsport MD

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight.  Mostly cloudy, with a low around 69. Light and variable wind.  Chance of precipitation is 20%.

    Isolated
    T-storms

    Low: 69 °F

  • Friday

    Friday: Isolated showers between 9am and noon, then scattered showers and thunderstorms after noon.  Mostly cloudy, with a high near 89. Light and variable wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 40%.

    Isolated
    Showers then
    Scattered
    T-storms

    High: 89 °F

  • Friday
    Night

    Friday Night: Scattered showers and thunderstorms before 9pm, then isolated showers.  Mostly cloudy, with a low around 65. East wind 5 to 9 mph.  Chance of precipitation is 30%.

    Scattered
    T-storms then
    Isolated
    Showers

    Low: 65 °F

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 81. East wind around 9 mph.

    Decreasing
    Clouds

    High: 81 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 58. East wind 3 to 5 mph.

    Mostly Clear

    Low: 58 °F

  • Sunday

    Sunday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Sunday
    Night

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

    Mostly Clear

    Low: 62 °F

  • Labor
    Day

    Labor Day: Mostly sunny, with a high near 87.

    Mostly Sunny

    High: 87 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 64.

    Partly Cloudy

    Low: 64 °F

Detailed Forecast

Tonight
Isolated showers and thunderstorms before midnight. Mostly cloudy, with a low around 69. Light and variable wind. Chance of precipitation is 20%.
Friday
Isolated showers between 9am and noon, then scattered showers and thunderstorms after noon. Mostly cloudy, with a high near 89. Light and variable wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
Scattered showers and thunderstorms before 9pm, then isolated showers. Mostly cloudy, with a low around 65. East wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 81. East wind around 9 mph.
Saturday Night
Mostly clear, with a low around 58. East wind 3 to 5 mph.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 62.
Labor Day
Mostly sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A chance of showers and thunderstorms. Mostly 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)
10:37 pm EDT Sep 3, 2015
11pm EDT Sep 3, 2015-6pm EDT Sep 10, 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database