Severe thunderstorms and heavy rain for portions of the southern U.S.

A storm system will produce scattered severe thunderstorms and locally heavy rain stretching from the Southern Plains to the Gulf Coast and lower Miss. Valley on Friday. Large hail, locally damaging winds and flash flooding will be the main threats. This activity will continue into Saturday.
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Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

45°F

7°C

Humidity 87%
Wind Speed E 5 mph
Barometer 30.06 in
Dewpoint 41°F (5°C)
Visibility 7.00 mi
Wind Chill42°F (6°C)
Last update 28 Apr 11:15 pm EDT
Extended Forecast for

Rockville MD

  • Tonight

    Tonight: Occasional drizzle with a chance of showers before midnight, then occasional drizzle with a chance of rain after midnight.  Patchy fog.  Otherwise, cloudy, with a low around 47. East wind around 7 mph.  Chance of precipitation is 40%.

    Drizzle and
    Patchy Fog

    Low: 47 °F

  • Friday

    Friday: Occasional drizzle with rain likely before noon, then a chance of rain after noon.  Patchy fog before 2pm.  Otherwise, cloudy, with a high near 56. East wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Drizzle and
    Patchy Fog

    High: 56 °F

  • Friday
    Night

    Friday Night: A chance of rain before midnight, then patchy drizzle after midnight.  Cloudy, with a low around 47. East wind around 6 mph.  Chance of precipitation is 30%.

    Chance Rain

    Low: 47 °F

  • Saturday

    Saturday: A slight chance of showers after 2pm.  Mostly cloudy, with a high near 61. East wind around 7 mph.  Chance of precipitation is 20%.

    Mostly Cloudy
    then Slight
    Chance
    Showers

    High: 61 °F

  • Saturday
    Night

    Saturday Night: Showers likely, mainly after 2am.  Cloudy, with a low around 51. Southeast wind 7 to 9 mph.  Chance of precipitation is 70%.

    Showers
    Likely

    Low: 51 °F

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 69. Chance of precipitation is 70%.

    Showers
    Likely

    High: 69 °F

  • Sunday
    Night

    Sunday Night: Showers likely.  Cloudy, with a low around 57. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 57 °F

  • Monday

    Monday: A chance of showers.  Mostly cloudy, with a high near 69. Chance of precipitation is 40%.

    Chance
    Showers

    High: 69 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 49.

    Mostly Cloudy

    Low: 49 °F

Detailed Forecast

Tonight
Occasional drizzle with a chance of showers before midnight, then occasional drizzle with a chance of rain after midnight. Patchy fog. Otherwise, cloudy, with a low around 47. East wind around 7 mph. Chance of precipitation is 40%.
Friday
Occasional drizzle with rain likely before noon, then a chance of rain after noon. Patchy fog before 2pm. Otherwise, cloudy, with a high near 56. East wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain before midnight, then patchy drizzle after midnight. Cloudy, with a low around 47. East wind around 6 mph. Chance of precipitation is 30%.
Saturday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 61. East wind around 7 mph. Chance of precipitation is 20%.
Saturday Night
Showers likely, mainly after 2am. Cloudy, with a low around 51. Southeast wind 7 to 9 mph. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 69. Chance of precipitation is 70%.
Sunday Night
Showers likely. Cloudy, with a low around 57. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 69.
Click Map For Forecast
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
10:27 pm EDT Apr 28, 2016
11pm EDT Apr 28, 2016-6pm EDT May 5, 2016
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database