Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

Patuxent River, Naval Air Station (KNHK)

Lat: 38.28°NLon: 76.41°WElev: 39ft.

A Few Clouds

93°F

34°C

Humidity 49%
Wind Speed W 18 G 26 mph
Barometer 29.87 in (1011.6 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 18 Jun 4:52 pm EDT
Extended Forecast for

Helen MD

Severe T-storm Watch June 18, 05:02pm until June 18, 07:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch June 18, 05:02pm until June 18, 07:00pm

    NOW until 7:00pm Wed

    Severe T-storm Watch

  • This Afternoon

    High: 92 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Scattered showers and thunderstorms before 8pm.  Mostly clear, with a low around 73. Southwest wind around 6 mph.  Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 93. Heat index values as high as 100. Southwest wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 2am.  Partly cloudy, with a low around 66. Southwest wind 6 to 9 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 86. Northwest wind around 7 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Some of the storms could be severe. Mostly sunny, with a high near 92. Southwest wind around 10 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms before 8pm. Mostly clear, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%.
Juneteenth
Sunny, with a high near 93. Heat index values as high as 100. Southwest wind 9 to 15 mph, with gusts as high as 22 mph.
Thursday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 2am. Partly cloudy, with a low around 66. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Sunny, with a high near 86. Northwest wind around 7 mph.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 96.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Helen MD
 38.41°N 76.73°W (Elev. 148 ft)
4:30 pm EDT Jun 18, 2025
5pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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