Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

College Park Airport (KCGS)

Lat: 38.98°NLon: 76.92°WElev: 49ft.

Fair

90°F

32°C

Humidity 49%
Wind Speed W 8 mph
Barometer 29.92 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 4 Sep 2:35 pm EDT
Extended Forecast for

Calverton MD

Severe T-storm Watch until September 4, 09:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until September 4, 09:00pm

    NOW until 9:00pm Fri

    Severe T-storm Watch

  • This Afternoon

    High: 89 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 11pm, then scattered showers.  Mostly cloudy, with a low around 71. Light northwest wind.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 2pm, then a chance of showers after 3pm.  Partly sunny, with a high near 82. North wind around 6 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 8pm.  Mostly cloudy, with a low around 64. Calm wind becoming north around 5 mph after midnight.  Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Northeast wind around 7 mph.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 89. Northwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 11pm, then scattered showers. Mostly cloudy, with a low around 71. Light northwest wind. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers before 2pm, then a chance of showers after 3pm. Partly sunny, with a high near 82. North wind around 6 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 64. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 80. Northeast wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 61.
Labor Day
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Calverton MD
 39.06°N 76.97°W (Elev. 344 ft)
2:22 pm EDT Sep 4, 2026
2pm EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
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