Locally Heavy Rainfall Possible Over the Four Corners; Critical Fire Weather Conditions in the Great Basin

Monsoon moisture will result in locally heavy showers and thunderstorms over the Four Corners region, which could lead to flash flooding. While, critical fire weather threats are expected for much of the Great Basin, from dry and windy conditions. Finally, Tropical Cyclone Humberto remains well offshore of the Southeast, but rip currents and heavy surf are expected from Florida to the Carolinas. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

61°F

16°C

Humidity 97%
Wind Speed Calm
Barometer 30.10 in (1020.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Sep 7:56 am EDT
Extended Forecast for

Derwood MD

  • Today

    Today: Partly sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.

    Partly Sunny

    High: 88 °F

  • Tonight

    Tonight: Isolated showers.  Mostly cloudy, with a low around 65. Northeast wind 5 to 7 mph.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 65 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 78. Northeast wind around 8 mph.

    Partly Sunny

    High: 78 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 56. East wind around 5 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 56 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. East wind 3 to 6 mph.

    Mostly Sunny

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Partly Cloudy

    Low: 55 °F

  • Thursday

    Thursday: Sunny, with a high near 75.

    Sunny

    High: 75 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 53.

    Mostly Clear

    Low: 53 °F

  • Friday

    Friday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

Detailed Forecast

Today
Partly sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Isolated showers. Mostly cloudy, with a low around 65. Northeast wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 78. Northeast wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 56. East wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 77. East wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 88.
Click Map For Forecast
Point Forecast:
Derwood MD
 39.12°N 77.13°W (Elev. 348 ft)
8:22 am EDT Sep 16, 2019
8am EDT Sep 16, 2019-6pm EDT Sep 22, 2019
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database