National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane Thursday as it moves north toward the Big Island of Hawaii. Heavy rainfall will continue through Saturday, with locally catastrophic flooding possible. Hurricane Watch in effect. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Overcast

61°F

16°C

Humidity 78%
Wind Speed NE 5 G 17 mph
Barometer 30.34 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 Sep 11:35 pm EDT
Extended Forecast for

2 Miles SSE Barstow MD

Coastal Flood Advisory September 23, 11:48pm until September 25, 08:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory September 23, 11:48pm until September 25, 08:00am

    NOW until 8:00am Fri

    Coastal Flood Advisory

  • Tonight

    Low: 58 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66. Northeast wind 16 to 18 mph, with gusts as high as 26 mph.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. Northeast wind 9 to 13 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. North wind 14 to 16 mph, with gusts as high as 23 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. North wind around 10 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. Northeast wind around 16 mph, with gusts as high as 29 mph.
Thursday
Mostly cloudy, with a high near 66. Northeast wind 16 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 55. Northeast wind 9 to 13 mph, with gusts as high as 22 mph.
Friday
Mostly sunny, with a high near 72. North wind 14 to 16 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 57. North wind around 10 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 82.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Barstow MD
 38.48°N 76.58°W (Elev. 98 ft)
Last Update:
10:53 pm EDT Sep 23, 2026
Forecast Valid:
11pm EDT Sep 23, 2026-6pm EDT Sep 30, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation