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.

Fair

70°F

21°C

Humidity 79%
Wind Speed S 6 mph
Barometer 29.80 in (1009.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Jun 2:54 am EDT
Extended Forecast for

Mayo MD

  • Overnight

    Overnight: Scattered showers. Mostly cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 83. South wind 5 to 8 mph.

    High: 83 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. South wind around 11 mph, with gusts as high as 20 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 92. Southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 92 °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 6 to 9 mph. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers, mainly before 8am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

Detailed Forecast

Overnight
Scattered showers. Mostly cloudy, with a low around 67. South wind around 5 mph. Chance of precipitation is 40%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 83. South wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 73. South wind around 11 mph, with gusts as high as 20 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 92. Southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. West wind 6 to 9 mph. Chance of precipitation is 40%.
Juneteenth
A chance of showers, mainly before 8am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 84.
Saturday Night
Clear, with a low around 67.
Sunday
Sunny, with a high near 84.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82. 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 76.51°W (Elev. 3 ft)
Last Update:
2:23 am EDT Jun 17, 2026
Forecast Valid:
3am 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