Heavy Rain and Flash Flooding Possible in Portions of the Southeast, Mid-Atlantic and Appalachians. A Few Severe Thunderstorms Possible in the West and Northwest

Rain and thunderstorms are expected over much of the Southeast, Mid-Atlantic, and central Appalachians. Locally heavy rain is possible, with flash flooding possible over some areas. A few severe thunderstorms will be possible over portions of the western and northwestern U.S. today and Friday.
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Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

52°F

11°C

Humidity 82%
Wind Speed Calm
Barometer 29.68 in
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Last update 5 May 6:35 pm EDT
Extended Forecast for

Rockville MD

  • Tonight

    Tonight: Showers likely, mainly after 1am.  Cloudy, with a low around 49. North wind around 7 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers
    Likely

    Low: 49 °F

  • Friday

    Friday: Showers.  High near 56. North wind around 9 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Showers

    High: 56 °F

  • Friday
    Night

    Friday Night: A chance of showers.  Patchy fog before midnight.  Otherwise, cloudy, with a low around 49. North wind 6 to 9 mph.  Chance of precipitation is 50%.

    Chance
    Showers and
    Patchy Fog

    Low: 49 °F

  • Saturday

    Saturday: A chance of showers.  Mostly cloudy, with a high near 68. Northwest wind around 7 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 68 °F

  • Saturday
    Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 54. South wind around 7 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 54 °F

  • Sunday

    Sunday: A slight chance of showers before noon.  Mostly sunny, with a high near 70. Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Sunny

    High: 70 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 51.

    Partly Cloudy

    Low: 51 °F

  • Monday

    Monday: Mostly sunny, with a high near 72.

    Mostly Sunny

    High: 72 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 58.

    Mostly Cloudy

    Low: 58 °F

Detailed Forecast

Tonight
Showers likely, mainly after 1am. Cloudy, with a low around 49. North wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers. High near 56. North wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday Night
A chance of showers. Patchy fog before midnight. Otherwise, cloudy, with a low around 49. North wind 6 to 9 mph. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly cloudy, with a high near 68. Northwest wind around 7 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 54. South wind around 7 mph. Chance of precipitation is 40%.
Sunday
A slight chance of showers before noon. Mostly sunny, with a high near 70. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 72.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 77.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
A chance of showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
6:29 pm EDT May 5, 2016
6pm EDT May 5, 2016-6pm EDT May 12, 2016
 
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