Hazardous Weather Conditions
Current conditions at
Myrtle Beach International Airport (KMYR)
Lat: 33.68°NLon: 78.93°WElev: 25ft.
Fair
88°F
31°C
| Humidity | 75% |
| Wind Speed | S 12 mph |
| Barometer | 29.95 in (1014.2 mb) |
| Dewpoint | 79°F (26°C) |
| Visibility | 10.00 mi |
| Heat Index | 103°F (39°C) |
| Last update | 20 Aug 5:53 pm EDT |
Extended Forecast for
Myrtle Beach International Airport SC
Heat Advisory until August 20, 08:00pm
NOW until 8:00pm Thu

Heat Advisory
Tonight

Low: 78 °F
Mostly Clear
Friday
High: 90 °F
Mostly Sunny
then Slight
Chance
T-stormsFriday Night

Low: 75 °F
Chance
T-stormsSaturday
High: 88 °F
Chance
T-storms then
T-stormsSaturday Night
Low: 74 °F
Showers then
Chance
T-stormsSunday
High: 89 °F
Mostly Sunny
then Slight
Chance
T-stormsSunday Night

Low: 74 °F
Partly Cloudy
Monday

High: 86 °F
Mostly Sunny
Detailed Forecast
Tonight
Mostly clear, with a low around 78. Southwest wind 5 to 8 mph.
Friday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 105. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 75. Southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 88. Heat index values as high as 100. Southwest wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Low around 74. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Myrtle Beach International Airport SC
33.67°N 78.93°W (Elev. 20 ft)
33.67°N 78.93°W (Elev. 20 ft)
6:03 pm EDT Aug 20, 2026
7pm EDT Aug 20, 2026-6pm EDT Aug 27, 2026



