Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

A Few Clouds

79°F

26°C

Humidity 90%
Wind Speed S 6 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 27 Jul 2:52 am EDT
Extended Forecast for

Valley Lee MD

Heat Advisory July 27, 12:00pm until July 27, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 76. Southeast wind around 5 mph.

    Low: 76 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 1pm and 2pm.  Mostly sunny, with a high near 92. Heat index values as high as 107. Southwest wind around 6 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Light and variable wind.  Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 91. Heat index values as high as 102. North wind around 6 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 76. Southeast wind around 5 mph.
Sunday
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 92. Heat index values as high as 107. Southwest wind around 6 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 76. Light and variable wind. Chance of precipitation is 40%.
Monday
Sunny, with a high near 91. Heat index values as high as 102. North wind around 6 mph.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 78.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Valley Lee MD
 38.19°N 76.52°W (Elev. 23 ft)
1:30 am EDT Jul 27, 2025
3am EDT Jul 27, 2025-6pm EDT Aug 2, 2025
 
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