Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

77°F

25°C

Humidity 94%
Wind Speed NW 8 mph
Barometer 29.90 in (1012.7 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Aug 2:54 am EDT
Extended Forecast for

West River MD

Coastal Flood Advisory August 18, 03:19am until August 18, 05:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory August 18, 03:19am until August 18, 05:00am

    NOW until 5:00am Mon

    Coastal Flood Advisory

  • Overnight

    Low: 72 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 10am.  Mostly cloudy, with a high near 77. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 2am, then a slight chance of showers after 3am.  Cloudy, with a low around 67. Northeast wind 6 to 9 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers.  Mostly cloudy, with a high near 77. Northeast wind around 9 mph.  Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67. East wind 5 to 7 mph.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm.  Mostly sunny, with a high near 82. Chance of precipitation is 20%.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. Light northwest wind.
Monday
A slight chance of showers after 10am. Mostly cloudy, with a high near 77. Northeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before 2am, then a slight chance of showers after 3am. Cloudy, with a low around 67. Northeast wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers. Mostly cloudy, with a high near 77. Northeast wind around 9 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 67. East wind 5 to 7 mph.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 68.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
West River MD
 38.84°N 76.55°W (Elev. 3 ft)
1:30 am EDT Aug 18, 2025
3am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
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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