Flood Threat For Several Locations Today

The active monsoon season will continue the rest of the week and the flood threat today stretches from the Arizona to portions of the Intermountain West. Meanwhile, a humid and moist air mass ahead of a cold front may result in heavy rain and flooding from the Mid-Atlantic to the eastern Ohio and Tennessee Valleys. Finally, slow moving storms may produce flooding for the central Gulf Coast states. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

84°F

29°C

Humidity 72%
Wind Speed W 8 mph
Barometer 30.11 in (1020.5 mb)
Dewpoint 74°F (23°C)
Visibility NA
Heat Index91°F (33°C)
Last update 10 Aug 10:56 am EDT
Extended Forecast for

Gaithersburg MD

Flood Watch August 10, 02:00pm until August 10, 11:00pm
Click here for hazard details and duration
Flood Watch
  • Today

    Today: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce gusty winds and heavy rain.  High near 90. Northwest wind 3 to 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 90 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 8pm, then showers and thunderstorms likely, mainly between 8pm and 11pm.  Low around 70. Light and variable wind.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    T-storms then
    Chance
    T-storms

    Low: 70 °F

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 11am.  Mostly sunny, with a high near 86. Northwest wind around 7 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Sunny

    High: 86 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 65. Northwest wind around 6 mph.

    Partly Cloudy

    Low: 65 °F

  • Friday

    Friday: Sunny, with a high near 81. North wind 7 to 10 mph.

    Sunny

    High: 81 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 58.

    Mostly Clear

    Low: 58 °F

  • Saturday

    Saturday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

Detailed Forecast

Today
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce gusty winds and heavy rain. High near 90. Northwest wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm before 8pm, then showers and thunderstorms likely, mainly between 8pm and 11pm. Low around 70. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A slight chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 86. Northwest wind around 7 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 65. Northwest wind around 6 mph.
Friday
Sunny, with a high near 81. North wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
Partly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Gaithersburg MD
 39.13°N 77.21°W (Elev. 404 ft)
10:29 am EDT Aug 10, 2022
11am EDT Aug 10, 2022-6pm EDT Aug 16, 2022
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database