Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Thunderstorm Rain Fog/Mist

72°F

22°C

Humidity 100%
Wind Speed W 13 G 21 mph
Barometer 30.04 in (1018.0 mb)
Dewpoint 72°F (22°C)
Visibility 6.00 mi
Last update 3 Sep 11:56 pm EDT
Extended Forecast for

2 Miles NW North Potomac MD

  • Overnight

    Overnight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm.  Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 3pm.  Increasing clouds, with a high near 89. Light west wind becoming northwest 5 to 9 mph in the morning.  Chance of precipitation is 30%.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 70. Northwest wind 3 to 5 mph.  Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after 2pm.  Partly sunny, with a high near 82. North wind 3 to 7 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm.  Partly cloudy, with a low around 62. Northeast wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 89. Light west wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Northwest wind 3 to 5 mph. Chance of precipitation is 50%.
Saturday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 82. North wind 3 to 7 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 8pm. Partly cloudy, with a low around 62. Northeast wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 60.
Labor Day
Sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
A slight chance of showers. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW North Potomac MD
 39.11°N 77.27°W (Elev. 400 ft)
10:55 pm EDT Sep 3, 2026
12am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
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Additional Resources

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