Heavy Rain In The Plains; Poor Air Quality Out West

A slow moving weather system in the central U.S. will bring locally heavy rain to much of the Plains this weekend. Isolated flash flooding is possible in this area. Meanwhile, smoke from ongoing wildfires will continue to cause poor air quality across much of the interior West, although fire weather conditions are generally improving in this region. Read More >

Current conditions at

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Partly Cloudy

73°F

23°C

Humidity 95%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 18 Aug 2:34 am EDT
Extended Forecast for

Rockville MD

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 4am, then scattered showers and thunderstorms after 4am.  Mostly cloudy, with a low around 72. Southwest wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 72 °F

  • Saturday

    Saturday: Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Cloudy, with a high near 86. West wind 3 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Isolated
    Showers then
    Showers
    Likely

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms after midnight.  Cloudy, with a low around 70. West wind around 6 mph becoming light and variable.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    Low: 70 °F

  • Sunday

    Sunday: Scattered showers and thunderstorms.  Mostly cloudy, with a high near 82. North wind around 7 mph.  Chance of precipitation is 50%.

    Scattered
    Showers then
    Scattered
    T-storms

    High: 82 °F

  • Sunday
    Night

    Sunday Night: Scattered showers and thunderstorms before 1am, then isolated showers between 1am and 3am.  Mostly cloudy, with a low around 67. Northeast wind 3 to 7 mph.  Chance of precipitation is 40%.

    Scattered
    T-storms

    Low: 67 °F

  • Monday

    Monday: Partly sunny, with a high near 82.

    Partly Sunny

    High: 82 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 69.

    Mostly Cloudy

    Low: 69 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 9am.  Mostly cloudy, with a high near 83. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 83 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 9pm.  Mostly cloudy, with a low around 70. Chance of precipitation is 70%.

    Showers
    Likely

    Low: 70 °F

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 4am, then scattered showers and thunderstorms after 4am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Isolated showers before noon, then scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Cloudy, with a high near 86. West wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then scattered showers and thunderstorms after midnight. Cloudy, with a low around 70. West wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 82. North wind around 7 mph. Chance of precipitation is 50%.
Sunday Night
Scattered showers and thunderstorms before 1am, then isolated showers between 1am and 3am. Mostly cloudy, with a low around 67. Northeast wind 3 to 7 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 69.
Tuesday
A chance of showers and thunderstorms after 9am. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 9pm. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Wednesday
Showers likely, with thunderstorms also possible after 9am. Mostly sunny, with a high near 84. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
1:30 am EDT Aug 18, 2018
3am EDT Aug 18, 2018-6pm EDT Aug 24, 2018
 
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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