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

Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

Fair

79°F

26°C

Humidity 82%
Wind Speed S 6 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 15 Jul 11:52 pm EDT
Extended Forecast for

3 Miles S Trappe MD

  • Overnight

    Overnight: A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 77. South wind around 5 mph. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 86. South wind 5 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 80. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 80 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Southwest wind around 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.

    Low: 80 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    Showers

Detailed Forecast

Overnight
A slight chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 77. South wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 86. South wind 5 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 80. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 100. Southwest wind around 10 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 80. Southwest wind 5 to 10 mph.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 30%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Trappe MD
 38.61°N 76.07°W (Elev. 0 ft)
Last Update:
4:13 pm EDT Jul 15, 2025
Forecast Valid:
12am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation