Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

54°F

12°C

Humidity 97%
Wind Speed Calm
Barometer 30.42 in (1031.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 23 Sep 10:56 am EDT
Extended Forecast for

2 Miles W North Potomac MD

  • Today

    Today: A slight chance of rain before noon.  Cloudy, with a high near 62. Northeast wind around 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Northeast wind around 8 mph, with gusts as high as 18 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48. North wind 5 to 8 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68. North wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 53. Chance of precipitation is 20%.

    Low: 53 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

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

    High: 70 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A slight chance of rain before noon. Cloudy, with a high near 62. Northeast wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 52. Northeast wind around 8 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 64. Northeast wind 10 to 13 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 48. North wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 68. North wind 11 to 15 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Sunny, with a high near 71.
Saturday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Sunday
A slight chance of showers. Mostly sunny, with a high near 70. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W North Potomac MD
 39.1°N 77.31°W (Elev. 348 ft)
10:53 am EDT Sep 23, 2026
11am EDT Sep 23, 2026-6pm EDT Sep 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

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