Severe Thunderstorm and Flash Flood Threats Early This Week

The threat for severe thunderstorms and flash flooding are likely from the central and southern Plains into the Ohio/Tennessee Valleys and Mid-Atlantic early this week. A couple of slow moving systems will track west to east, while a plume of moisture focuses near a stalled front. Some of the thunderstorms could contain damaging winds and large hail, while flood watches extend from MO/IL to DE/NJ. Read More >

Current conditions at

Hagerstown, Washington County Regional Airport (KHGR)

Lat: 39.71°NLon: 77.73°WElev: 702ft.

Partly Cloudy

80°F

27°C

Humidity 62%
Wind Speed NW 8 mph
Barometer 29.98 in (1015.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Jun 4:53 pm EDT
Extended Forecast for

3 Miles NW Mercersburg PA

Flash Flood Watch until June 19, 02:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until June 19, 02:00am

    NOW until
    2:00am Wed

    Flash Flood Watch

  • This
    Afternoon

    This Afternoon: Showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain.  High near 78. Light north wind.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 78 °F

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce gusty winds and heavy rain.  Low around 68. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 68 °F

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rain.  Cloudy, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 80 °F

  • Tuesday
    Night

    Tuesday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely then
    Showers
    Likely

    Low: 68 °F

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 8am.  High near 80. Light south wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: Showers, mainly before 8pm.  Low around 68. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Showers then
    Chance
    Showers

    Low: 68 °F

  • Thursday

    Thursday: Rain likely, then showers and possibly a thunderstorm after 2pm.  High near 81. Chance of precipitation is 80%.

    Showers

    High: 81 °F

  • Thursday
    Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers.  Low around 66. Chance of precipitation is 80%.

    Showers then
    Chance
    Showers

    Low: 66 °F

Detailed Forecast

This Afternoon
Showers and thunderstorms. Some of the storms could produce gusty winds and heavy rain. High near 78. Light north wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm after 2am. Some of the storms could produce gusty winds and heavy rain. Low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rain. Cloudy, with a high near 80. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 80. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers, mainly before 8pm. Low around 68. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 66. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly cloudy, with a high near 84.
Click Map For Forecast
Point Forecast:
3 Miles NW Mercersburg PA
 39.87°N 77.93°W (Elev. 686 ft)
4:19 pm EDT Jun 17, 2019
5pm EDT Jun 17, 2019-6pm EDT Jun 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