Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Partly Cloudy

66°F

19°C

Humidity NA
Wind Speed Calm
Barometer 30.05 in (1018.6 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 26 May 11:56 pm EDT
Extended Forecast for

2 Miles SW North Potomac MD

  • Overnight

    Overnight: Scattered showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am.  Patchy fog.  Otherwise, cloudy, with a low around 65. Calm wind.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm.  Patchy fog before 11am. High near 79. Calm wind becoming northwest around 6 mph in the afternoon.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely and
    Patchy Fog
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 4am, then a slight chance of showers after 5am.  Patchy fog between 11pm and midnight. Low around 62. Light west wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 78. North wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. North wind around 6 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

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

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 2am, then showers likely after 2am. Patchy fog. Otherwise, cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1pm. Patchy fog before 11am. High near 79. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms before 4am, then a slight chance of showers after 5am. Patchy fog between 11pm and midnight. Low around 62. Light west wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 78. North wind 5 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 54. North wind around 6 mph.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 57.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW North Potomac MD
 39.07°N 77.28°W (Elev. 299 ft)
10:53 pm EDT May 26, 2026
12am EDT May 27, 2026-6pm EDT Jun 2, 2026
 
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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