Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog

45°F

7°C

Humidity NA
Wind Speed Calm
Barometer 30.22 in (1024.8 mb)
Dewpoint N/A
Visibility 0.50 mi
Last update 4 Mar 10:56 pm EST
Extended Forecast for

3 Miles WSW North Potomac MD

Dense Fog Advisory March 4, 11:07pm until March 5, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 4, 11:07pm until March 5, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 44 °F

    Areas Drizzle
    and Dense Fog

  • Thursday

    Thursday: Areas of drizzle before noon, then scattered showers, mainly after 3pm.  Widespread dense fog, mainly before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Southeast wind 3 to 6 mph.  Chance of precipitation is 30%.

    High: 63 °F

    Areas Drizzle
    and Dense Fog

  • Thursday Night

    Thursday Night: Showers likely.  Areas of fog.  Otherwise, mostly cloudy, with a low around 50. Southeast wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers
    Likely and
    Areas Fog

  • Friday

    Friday: A chance of showers, mainly after 1pm.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 68. Calm wind becoming east around 6 mph in the afternoon.  Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of showers before 1am.  Mostly cloudy, with a low around 48. Southeast wind around 6 mph.  Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 1pm.  Mostly cloudy, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 1am.  Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 1pm.  Mostly cloudy, with a high near 67. Chance of precipitation is 30%.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Areas of drizzle. Widespread dense fog. Otherwise, cloudy, with a low around 44. Calm wind.
Thursday
Areas of drizzle before noon, then scattered showers, mainly after 3pm. Widespread dense fog, mainly before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday Night
Showers likely. Areas of fog. Otherwise, mostly cloudy, with a low around 50. Southeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers, mainly after 1pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 68. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 30%.
Friday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 48. Southeast wind around 6 mph. Chance of precipitation is 20%.
Saturday
A chance of showers after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW North Potomac MD
 39.07°N 77.31°W (Elev. 397 ft)
9:54 pm EST Mar 4, 2026
11pm EST Mar 4, 2026-6pm EDT Mar 11, 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