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Alberto will pose a variety of Hazards for the South over the Memorial Day Weekend

Subtropical Storm Alberto is moving through the Gulf of Mexico and poses several threats to the South. Heavy rainfall and inland flooding is expected in the Southeast on Sunday and into next week. Tropical Storm-force winds and storm surge possible along the northern/eastern Gulf Coast. Swells from Alberto will create dangerous surf and rip currents for beachgoers. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

72°F

22°C

Humidity 97%
Wind Speed S 7 mph
Barometer 29.88 in (1011.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 27 May 3:52 am EDT
Extended Forecast for

Gaithersburg MD

Flash Flood Watch May 27, 12:00pm until May 27, 10:00pm
Click here for hazard details and duration
Flash Flood Watch
  • Overnight

    Overnight: A slight chance of showers before 5am.  Patchy fog.  Otherwise, cloudy, with a low around 69. Southwest wind around 5 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers and
    Patchy Fog

    Low: 69 °F

  • Sunday

    Sunday: A slight chance of showers, then showers and thunderstorms likely after 11am. Some of the storms could produce heavy rain and frequent lightning.  Patchy fog before 8am.  Otherwise, cloudy, with a high near 84. West wind around 6 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain
    and Patchy
    Fog then
    Heavy Rain

    High: 84 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a chance of showers.  Cloudy, with a low around 65. East wind around 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely

    Low: 65 °F

  • Memorial
    Day

    Memorial Day: A chance of showers, mainly before 2pm.  Cloudy, with a high near 78. Northeast wind 3 to 5 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    High: 78 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 67. Light southeast wind.

    Mostly Cloudy

    Low: 67 °F

  • Tuesday

    Tuesday: A slight chance of showers.  Partly sunny, with a high near 86. Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 68.

    Mostly Cloudy

    Low: 68 °F

  • Wednesday

    Wednesday: A chance of showers.  Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    Chance
    Showers

    High: 82 °F

  • Wednesday
    Night

    Wednesday Night: Showers likely.  Cloudy, with a low around 68. Chance of precipitation is 70%.

    Showers
    Likely

    Low: 68 °F

Detailed Forecast

Overnight
A slight chance of showers before 5am. Patchy fog. Otherwise, cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers, then showers and thunderstorms likely after 11am. Some of the storms could produce heavy rain and frequent lightning. Patchy fog before 8am. Otherwise, cloudy, with a high near 84. West wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Cloudy, with a low around 65. East wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Memorial Day
A chance of showers, mainly before 2pm. Cloudy, with a high near 78. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 67. Light southeast wind.
Tuesday
A slight chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Cloudy, with a low around 68. Chance of precipitation is 70%.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Cloudy, with a high near 81. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Click Map For Forecast
Point Forecast:
Gaithersburg MD
 39.13°N 77.21°W (Elev. 404 ft)
1:27 am EDT May 27, 2018
4am EDT May 27, 2018-6pm EDT Jun 2, 2018
 
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Additional Resources

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