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

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Partly Cloudy

79°F

26°C

Humidity 67%
Wind Speed NW 3 mph
Barometer 29.89 in (1012.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 11 Aug 10:54 pm EDT
Extended Forecast for

Riva MD

  • Tonight

    Tonight: A slight chance of showers and thunderstorms, then a chance of showers after 4am. Mostly cloudy, with a low around 71. West wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 87. North wind 3 to 6 mph.

    High: 87 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between midnight and 1am. Partly cloudy, with a low around 71. Light west wind. Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 30%.

    High: 89 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light southwest wind. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms, then a chance of showers after 4am. Mostly cloudy, with a low around 71. West wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 87. North wind 3 to 6 mph.
Wednesday Night
A slight chance of showers and thunderstorms between midnight and 1am. Partly cloudy, with a low around 71. Light west wind. Chance of precipitation is 20%.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 89. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light southwest wind. Chance of precipitation is 50%.
Friday
A chance of showers before 2pm. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riva MD
 38.95°N 76.58°W (Elev. 3 ft)
Last Update:
10:53 pm EDT Aug 11, 2026
Forecast Valid:
11pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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