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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

A Few Clouds

69°F

21°C

Humidity 76%
Wind Speed Calm
Barometer 29.81 in (1009.7 mb)
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 17 Jun 12:54 am EDT
Extended Forecast for

Mayo MD

  • Overnight

    Overnight: Scattered showers, mainly after 2am. Mostly cloudy, with a low around 68. South wind around 9 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 79. South wind 6 to 9 mph.

    High: 79 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. South wind 14 to 16 mph, with gusts as high as 22 mph.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 86 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind 8 to 11 mph. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers, mainly before 8am. Partly sunny, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers, mainly after 2am. Mostly cloudy, with a low around 68. South wind around 9 mph. Chance of precipitation is 40%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 79. South wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 73. South wind 14 to 16 mph, with gusts as high as 22 mph.
Thursday
A chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Southwest wind around 18 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind 8 to 11 mph. Chance of precipitation is 40%.
Juneteenth
A chance of showers, mainly before 8am. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 68.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 80.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mayo MD
 38.88°N 76.48°W (Elev. 0 ft)
Last Update:
1:35 am EDT Jun 17, 2026
Forecast Valid:
1am EDT Jun 17, 2026-6pm EDT Jun 23, 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