Flash Flood Watches in Southeast and Tennessee Valley; Critical Fire Weather in California; Severe Weather in Upper Midwest

Flash flood watches are in effect today in parts of the Southeast and Tennessee Valley from organized areas of heavy to excessive rainfall. Meanwhile, critical fire weather conditions are likely across northern California with offshore winds and dry conditions. Finally, a strong cold front will produce severe thunderstorms across the Upper to Mid Mississippi Valley. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

75°F

24°C

Humidity 58%
Wind Speed Vrbl 5 mph
Barometer 30.28 in (1026.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 20 Sep 4:56 pm EDT
Extended Forecast for

4 Miles SSW Boyds MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. East wind 3 to 8 mph.

    Mostly Cloudy

    Low: 60 °F

  • Tuesday

    Tuesday: A slight chance of showers.  Mostly cloudy, with a high near 79. Southeast wind 5 to 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers, mainly after 2am.  Mostly cloudy, with a low around 67. Southeast wind around 8 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    Low: 67 °F

  • Wednesday

    Wednesday: Showers likely, mainly after 8am.  Mostly cloudy, with a high near 79. Southeast wind 8 to 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: Showers, with thunderstorms also possible after 2am.  Low around 61. South wind around 11 mph becoming southwest after midnight.  Chance of precipitation is 80%.

    Showers

    Low: 61 °F

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    Showers
    Likely

    High: 72 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 52. Chance of precipitation is 30%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 52 °F

  • Friday

    Friday: Sunny, with a high near 70.

    Sunny

    High: 70 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 50.

    Mostly Clear

    Low: 50 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. East wind 3 to 8 mph.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 79. Southeast wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 67. Southeast wind around 8 mph. Chance of precipitation is 40%.
Wednesday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 79. Southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Showers, with thunderstorms also possible after 2am. Low around 61. South wind around 11 mph becoming southwest after midnight. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 50.
Saturday
Sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 75.
Click Map For Forecast
Point Forecast:
4 Miles SSW Boyds MD
 39.12°N 77.33°W (Elev. 272 ft)
4:34 pm EDT Sep 20, 2021
5pm EDT Sep 20, 2021-6pm EDT Sep 27, 2021
 
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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