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

Hazardous Weather Conditions

Current conditions at

Myrtle Beach International Airport (KMYR)

Lat: 33.68°NLon: 78.93°WElev: 25ft.

A Few Clouds

89°F

32°C

Humidity 57%
Wind Speed SW 14 G 18 mph
Barometer 29.98 in (1015.0 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 10 Jul 5:53 pm EDT
Extended Forecast for

Myrtle Beach SC

Extreme Heat Warning until July 10, 08:00pm
Click here for hazard details and duration
...
  •  
    Extreme Heat Warning until July 10, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 102. West wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 77. West wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 87. West wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 87 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Low: 74 °F

    Heavy Rain
    then Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 74. Chance of precipitation is 80%.

    Low: 74 °F

    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 79. Southwest wind 8 to 16 mph, with gusts as high as 23 mph.
Saturday
A chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 93. Heat index values as high as 102. West wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 77. West wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 87. West wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 74. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 84. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 74. Chance of precipitation is 80%.
Tuesday
A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 78.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Myrtle Beach SC
 33.69°N 78.9°W (Elev. 23 ft)
Last Update:
6:02 pm EDT Jul 10, 2026
Forecast Valid:
6pm EDT Jul 10, 2026-6pm EDT Jul 17, 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