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

84°F

29°C

Humidity 91%
Wind Speed S 3 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 18 Aug 9:53 pm EDT
Extended Forecast for

4 Miles NE Myrtle Beach SC

Heat Advisory August 19, 11:00am until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 79. Light west wind.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Heat index values as high as 109. Calm wind becoming southeast 5 to 7 mph in the morning.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 79. Calm wind.

    Low: 79 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 90. Heat index values as high as 108. Calm wind becoming south 5 to 9 mph in the morning.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South wind 5 to 7 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 79. Light west wind.
Wednesday
Sunny, with a high near 91. Heat index values as high as 109. Calm wind becoming southeast 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 79. Calm wind.
Thursday
Sunny, with a high near 90. Heat index values as high as 108. Calm wind becoming south 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 78. South wind 5 to 7 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Chance of precipitation is 50%. 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. Mostly cloudy, with a low around 76. Chance of precipitation is 50%.
Saturday
A chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
A chance of showers before 8am. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 75.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Myrtle Beach SC
 33.73°N 78.84°W (Elev. 23 ft)
Last Update:
6:51 pm EDT Aug 18, 2026
Forecast Valid:
10pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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