National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

80°F

27°C

Humidity 79%
Wind Speed Vrbl 5 mph
Barometer 30.05 in (1018.4 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Jun 1:56 pm EDT
Extended Forecast for

North Potomac MDSimilar City Names

Flood Watch until June 14, 11:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 14, 11:00pm

    NOW until 11:00pm Sat

    Flood Watch

  • This Afternoon

    High: 81 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers after 2am. Some of the storms could produce heavy rainfall. Low around 64. East wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 64 °F

    Heavy Rain
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a high near 70. East wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely. Cloudy, with a low around 63. East wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 71. East wind around 7 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Cloudy then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 81. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers after 2am. Some of the storms could produce heavy rainfall. Low around 64. East wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Sunday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Cloudy, with a high near 70. East wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely. Cloudy, with a low around 63. East wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, with a high near 71. East wind around 7 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms. Cloudy, with a low around 65. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Juneteenth
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
North Potomac MDSimilar City Names
 39.09°N 77.25°W (Elev. 348 ft)
Last Update:
1:29 pm EDT Jun 14, 2025
Forecast Valid:
2pm EDT Jun 14, 2025-6pm EDT Jun 20, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation