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Tropical Storm Edouard Along the Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard off the central Gulf Coast will bring tropical storm conditions and heavy rainfall to portions of Upper Texas and southwestern Louisiana coasts Tuesday into Wednesday. Storm Surge Watches and Tropical Storm Warnings are in effect. Hot and humid conditions will continue to expand from the Central Plains into the Ohio Valley and Mid-Atlantic this week. Read More >

Hazardous Weather Conditions

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

76°F

24°C

Humidity 91%
Wind Speed Calm
Barometer 30.02 in (1016.7 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 1 Sep 4:54 am EDT
Extended Forecast for

Arnold MD

  • Today

    Today: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Increasing clouds, with a low around 76. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 50%.

    Low: 76 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly between 11am and 2pm. Partly sunny, with a high near 86. Northeast wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 73. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 50%.

    High: 92 °F

    Slight Chance
    Showers then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 101. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Tonight
Scattered showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Increasing clouds, with a low around 76. South wind around 6 mph becoming northwest after midnight. Chance of precipitation is 50%.
Wednesday
A chance of showers and thunderstorms, mainly between 11am and 2pm. Partly sunny, with a high near 86. Northeast wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Mostly cloudy, with a low around 73. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.
Thursday
A slight chance of showers, then scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 50%.
Thursday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%.
Friday Night
A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 65.
Labor Day
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.04°N 76.51°W (Elev. 98 ft)
Last Update:
4:52 am EDT Sep 1, 2026
Forecast Valid:
5am EDT Sep 1, 2026-6pm EDT Sep 7, 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