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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Hazardous Weather Conditions

Current conditions at

St Marys County Airport (K2W6)

Lat: 38.32°NLon: 76.55°WElev: 144ft.

Overcast

59°F

15°C

Humidity 100%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 59°F (15°C)
Visibility 8.00 mi
Last update 23 Sep 9:15 am EDT
Extended Forecast for

2 Miles SW Issue MD

Coastal Flood Advisory September 23, 09:28am until September 25, 07:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory September 23, 09:28am until September 25, 07:00am

    NOW until 7:00am Fri

    Coastal Flood Advisory

  • Today

    High: 65 °F

    Rain Likely
    then Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 59. Northeast wind 13 to 16 mph, with gusts as high as 30 mph.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66. Northeast wind 13 to 16 mph, with gusts as high as 22 mph.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. North wind 10 to 13 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. North wind 14 to 17 mph, with gusts as high as 22 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Today
Rain likely before noon, then a chance of showers, mainly between noon and 2pm. Cloudy, with a high near 65. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 59. Northeast wind 13 to 16 mph, with gusts as high as 30 mph.
Thursday
Mostly cloudy, with a high near 66. Northeast wind 13 to 16 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 55. North wind 10 to 13 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 69. North wind 14 to 17 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Issue MD
 38.29°N 76.9°W (Elev. 3 ft)
Last Update:
8:55 am EDT Sep 23, 2026
Forecast Valid:
9am EDT Sep 23, 2026-6pm EDT Sep 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation