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

Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

66°F

19°C

Humidity 73%
Wind Speed Calm
Barometer 30.21 in (1024.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 28 Apr 10:56 am EDT
Extended Forecast for

2 Miles NNE Potomac MD

  • Today

    Today: Mostly sunny, with a high near 84. West wind 5 to 7 mph.

    Mostly Sunny

    High: 84 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 61. South wind 3 to 6 mph.

    Partly Cloudy

    Low: 61 °F

  • Monday

    Monday: Sunny, with a high near 88. Northwest wind around 6 mph becoming southwest in the afternoon.

    Sunny

    High: 88 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 64. South wind 6 to 8 mph.

    Partly Cloudy

    Low: 64 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    Mostly Sunny
    then Chance
    T-storms

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Chance
    T-storms then
    Chance
    Showers

    Low: 64 °F

  • Wednesday

    Wednesday: A chance of showers after 8am. Mostly sunny, with a high near 80. Chance of precipitation is 30%.

    Chance
    Showers

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 58.

    Partly Cloudy

    Low: 58 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 79.

    Mostly Sunny

    High: 79 °F

Detailed Forecast

Today
Mostly sunny, with a high near 84. West wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 61. South wind 3 to 6 mph.
Monday
Sunny, with a high near 88. Northwest wind around 6 mph becoming southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 64. South wind 6 to 8 mph.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Wednesday
A chance of showers after 8am. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 58.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
2 Miles NNE Potomac MD
 39.06°N 77.17°W (Elev. 397 ft)
Last Update:
10:49 am EDT Apr 28, 2024
Forecast Valid:
11am EDT Apr 28, 2024-6pm EDT May 4, 2024
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation