Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Heavy Rain and Potential for Flash Flooding for Mid-Atlantic

An unseasonably strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians Friday into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains. Read More >

Current conditions at

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Overcast

73°F

23°C

Humidity 94%
Wind Speed SW 3 mph
Barometer 29.81 in
Dewpoint 72°F (22°C)
Visibility 1.00 mi
Last update 28 Jul 1:08 pm EDT
Extended Forecast for

2 Miles WSW Mount Rainier MD

Flash Flood Watch until July 29, 02:00pm
Flash Flood Warning until July 28, 03:45pm
Click here for hazard details and duration
Flash Flood Watch
Flash Flood Warning
  •  
    Flash Flood Watch until July 29, 02:00pm
    Flash Flood Warning until July 28, 03:45pm

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • This
    Afternoon

    This Afternoon: Showers, mainly after 2pm.  High near 82. Southeast wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Showers

    High: 82 °F

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rain.  Low around 70. Northeast wind 7 to 9 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    Low: 70 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 78. North wind around 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers

    High: 78 °F

  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers.  Low around 64. North wind 9 to 13 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers then
    Chance
    Showers

    Low: 64 °F

  • Sunday

    Sunday: A slight chance of showers before 2pm.  Mostly sunny, with a high near 80. North wind 8 to 10 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 80 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 67.

    Partly Cloudy

    Low: 67 °F

  • Monday

    Monday: Mostly sunny, with a high near 82.

    Mostly Sunny

    High: 82 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 66.

    Mostly Clear

    Low: 66 °F

Detailed Forecast

This Afternoon
Showers, mainly after 2pm. High near 82. Southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rain. Low around 70. Northeast wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers likely and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 78. North wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 64. North wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 2pm. Mostly sunny, with a high near 80. North wind 8 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
2 Miles WSW Mount Rainier MD
 38.93°N 76.99°W (Elev. 148 ft)
1:28 pm EDT Jul 28, 2017
1pm EDT Jul 28, 2017-6pm EDT Aug 3, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database