Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

83°F

28°C

Humidity 79%
Wind Speed S 3 mph
Barometer 29.94 in (1014.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 3 Sep 8:54 pm EDT
Extended Forecast for

Arnold MD

Severe T-storm Watch until September 4, 02:00am
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until September 4, 02:00am

    NOW until 2:00am Fri

    Severe T-storm Watch

  • Tonight

    Low: 74 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming northwest 5 to 7 mph in the morning.  Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Mostly cloudy, with a low around 71. Light northwest wind.  Chance of precipitation is 50%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers after 2pm.  Partly sunny, with a high near 84. North wind 6 to 8 mph.  Chance of precipitation is 20%.

    High: 84 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. North wind around 6 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Light and variable wind. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 71. Light northwest wind. Chance of precipitation is 50%.
Saturday
A slight chance of showers after 2pm. Partly sunny, with a high near 84. North wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 65. North wind around 6 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 63.
Labor Day
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 20%.
Thursday
A slight chance of showers. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.06°N 76.51°W (Elev. 56 ft)
7:53 pm EDT Sep 3, 2026
9pm EDT Sep 3, 2026-6pm EDT Sep 10, 2026
 
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