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.

Fair

79°F

26°C

Humidity 85%
Wind Speed Calm
Barometer 29.93 in (1013.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 13 Aug 3:53 am EDT
Extended Forecast for

Myrtle Beach SC

Heat Advisory August 13, 11:00am until August 13, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 92. Heat index values as high as 103. Light west wind becoming south 6 to 11 mph in the morning.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 80. Southwest wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 93. Heat index values as high as 107. South wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 80. South wind 5 to 9 mph.

    Low: 80 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Northwest wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 80.

    Low: 80 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 92. Heat index values as high as 103. Light west wind becoming south 6 to 11 mph in the morning.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 80. Southwest wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 93. Heat index values as high as 107. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 80. South wind 5 to 9 mph.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Northwest wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 80.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 80.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Myrtle Beach SC
 33.69°N 78.9°W (Elev. 23 ft)
Last Update:
3:02 am EDT Aug 13, 2026
Forecast Valid:
4am EDT Aug 13, 2026-6pm EDT Aug 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation