Isolated Severe Thunderstorms and Flooding Potential in the Central U.S.

Isolated strong to severe thunderstorms are possible across parts of the southern and central Plains today through Saturday. Large hail and severe wind gusts are the main threats. Heavy rainfall is forecast from the western Gulf Coast into the Midwest from this weekend into early next week. New and renewed river rises are possible across portions of eastern Texas. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

11°C

51°F

Humidity 59%
Wind Speed Calm
Barometer 1025.7 mb (30.25 in)
Dewpoint 3°C (37°F)
Visibility 16 km
Last update 13 May 9:56 pm EDT
Extended Forecast for

Rockville MD

  • Tonight

    Tonight: Mostly clear, with a low around 7. Calm wind.

    Mostly Clear

    Low: 7 °C

  • Friday

    Friday: Mostly sunny, with a high near 21. Calm wind becoming north 5 to 8 km/h in the afternoon.

    Mostly Sunny

    High: 21 °C

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 9. Calm wind.

    Mostly Clear

    Low: 9 °C

  • Saturday

    Saturday: Sunny, with a high near 23. Calm wind.

    Sunny

    High: 23 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 11. Calm wind.

    Partly Cloudy

    Low: 11 °C

  • Sunday

    Sunday: A chance of showers between 9am and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 21. Chance of precipitation is 40%.

    Chance
    Showers

    High: 21 °C

  • Sunday
    Night

    Sunday Night: A chance of showers before 9pm.  Mostly cloudy, with a low around 12. Chance of precipitation is 40%.

    Chance
    Showers then
    Mostly Cloudy

    Low: 12 °C

  • Monday

    Monday: A chance of showers after 9am.  Mostly cloudy, with a high near 21. Chance of precipitation is 40%.

    Chance
    Showers

    High: 21 °C

  • Monday
    Night

    Monday Night: A chance of showers.  Mostly cloudy, with a low around 13. Chance of precipitation is 50%.

    Chance
    Showers

    Low: 13 °C

Detailed Forecast

Tonight
Mostly clear, with a low around 7. Calm wind.
Friday
Mostly sunny, with a high near 21. Calm wind becoming north 5 to 8 km/h in the afternoon.
Friday Night
Mostly clear, with a low around 9. Calm wind.
Saturday
Sunny, with a high near 23. Calm wind.
Saturday Night
Partly cloudy, with a low around 11. Calm wind.
Sunday
A chance of showers between 9am and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 21. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 9pm. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Monday
A chance of showers after 9am. Mostly cloudy, with a high near 21. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 13. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 24. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 13. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 27.
Click Map For Forecast
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 131 m)
9:28 pm EDT May 13, 2021
10pm EDT May 13, 2021-6pm EDT May 20, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database