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Heavy Rain and Potential for Flash Flooding for Mid-Atlantic

An unseasonably strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians Friday into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains. Read More >

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Mostly Cloudy

77°F

25°C

Humidity 83%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Jul 8:37 am EDT
Extended Forecast for

Prince Frederick MD

Flash Flood Watch July 28, 02:00pm until July 29, 02:00pm
Click here for hazard details and duration
Flash Flood Watch
  • Today

    Today: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rain.  High near 83. West wind around 6 mph becoming south in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 83 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  Low around 68. Southeast wind around 7 mph becoming north after midnight.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    Low: 68 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 75. North wind 10 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers

    High: 75 °F

  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms.  Cloudy, with a low around 62. North wind around 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    Chance
    Showers

    Low: 62 °F

  • Sunday

    Sunday: A slight chance of showers before 2pm.  Partly sunny, with a high near 77. North wind 11 to 14 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 77 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

  • Monday

    Monday: Mostly sunny, with a high near 81.

    Mostly Sunny

    High: 81 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    Sunny

    High: 86 °F

Detailed Forecast

Today
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 11am. Some of the storms could produce heavy rain. High near 83. West wind around 6 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Low around 68. Southeast wind around 7 mph becoming north after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers likely and possibly a thunderstorm before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms. Cloudy, with a low around 62. North wind around 15 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Sunday
A slight chance of showers before 2pm. Partly sunny, with a high near 77. North wind 11 to 14 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Mostly sunny, with a high near 89.
Click Map For Forecast
Point Forecast:
Prince Frederick MD
 38.55°N 76.6°W (Elev. 98 ft)
7:27 am EDT Jul 28, 2017
8am EDT Jul 28, 2017-6pm EDT Aug 3, 2017
 
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