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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Mostly Cloudy

69°F

21°C

Humidity 47%
Wind Speed N 20 G 28 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 25 Sep 1:52 pm EDT
Extended Forecast for

Great Mills MD

Coastal Flood Advisory September 25, 02:38pm until September 26, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory September 25, 02:38pm until September 26, 05:00am

    NOW until 5:00am Sat

    Coastal Flood Advisory

  • This Afternoon

    High: 71 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: A slight chance of rain after 2am. Partly cloudy, with a low around 58. North wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 68. Breezy, with a north wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 68 °F

    Breezy.
    Chance Rain
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly before 8pm. Cloudy, with a low around 57. Northwest wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Rain Likely

  • Sunday

    Sunday: A chance of rain. Cloudy, with a high near 67. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.

    High: 67 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 2am. Cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Chance Rain

  • Monday

    Monday: A slight chance of rain before 8am. Mostly cloudy, with a high near 70. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 71. Breezy, with a north wind around 22 mph, with gusts as high as 31 mph.
Tonight
A slight chance of rain after 2am. Partly cloudy, with a low around 58. North wind around 17 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 68. Breezy, with a north wind 18 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain likely, mainly before 8pm. Cloudy, with a low around 57. Northwest wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of rain. Cloudy, with a high near 67. Breezy, with a northwest wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 40%.
Sunday Night
A chance of rain, mainly before 2am. Cloudy, with a low around 59. Chance of precipitation is 30%.
Monday
A slight chance of rain before 8am. Mostly cloudy, with a high near 70. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Great Mills MD
 38.23°N 76.51°W (Elev. 59 ft)
Last Update:
2:23 pm EDT Sep 25, 2026
Forecast Valid:
2pm EDT Sep 25, 2026-6pm EDT Oct 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation