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

Dangerous Heat Wave for the West; Severe Storms and Heavy Rain for Upper Midwest

A sweltering and long duration heat wave will build across the West this weekend through much of next week. Excessive heat warnings/watches along with heat advisories are in effect from the Southwest to the Northwest. Dangerous heat is also persisting across the southern Plains. Meanwhile, severe storms are likely in the Upper Midwest with heavy rain/flooding, damaging winds, hail, and tornadoes. Read More >

Hazardous Weather Conditions

Current conditions at

Myrtle Beach International Airport (KMYR)

Lat: 33.68°NLon: 78.93°WElev: 25ft.

Mostly Cloudy

29°C

84°F

Humidity 74%
Wind Speed SW 9 km/h
Barometer 1016.2 mb (30.01 in)
Dewpoint 24°C (75°F)
Visibility 16 km
Heat Index33°C (92°F)
Last update 14 Aug 10:56 am EDT
Extended Forecast for

Myrtle Beach SC

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 31. Southwest wind 10 to 13 km/h. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.

    Scattered
    T-storms

    High: 31 °C

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 24. Southwest wind 10 to 13 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    T-storms
    Likely then
    Isolated
    T-storms

    Low: 24 °C

  • Saturday

    Saturday: Scattered showers and thunderstorms. Partly sunny, with a high near 31. Southwest wind 10 to 14 km/h, with gusts as high as 24 km/h. Chance of precipitation is 40%. New rainfall amounts between 5 and 7.5 mm possible.

    Scattered
    T-storms

    High: 31 °C

  • Saturday
    Night

    Saturday Night: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9pm. Mostly cloudy, with a low around 24. Southwest wind around 14 km/h, with gusts as high as 26 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.

    Showers
    Likely

    Low: 24 °C

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 9am, then showers and thunderstorms likely after 9am. Partly sunny, with a high near 30. Southwest wind 11 to 16 km/h, with gusts as high as 27 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    T-storms
    Likely

    High: 30 °C

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly before 9pm. Partly cloudy, with a low around 23. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    Low: 23 °C

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 31 °C

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 23. Chance of precipitation is 30%.

    Chance
    T-storms then
    Partly Cloudy

    Low: 23 °C

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 30. Chance of precipitation is 50%.

    Chance
    T-storms

    High: 30 °C

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 31. Southwest wind 10 to 13 km/h. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 24. Southwest wind 10 to 13 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 31. Southwest wind 10 to 14 km/h, with gusts as high as 24 km/h. Chance of precipitation is 40%. New rainfall amounts between 5 and 7.5 mm possible.
Saturday Night
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 9pm. Mostly cloudy, with a low around 24. Southwest wind around 14 km/h, with gusts as high as 26 km/h. Chance of precipitation is 60%. New rainfall amounts between 5 and 7.5 mm possible.
Sunday
Showers likely and possibly a thunderstorm before 9am, then showers and thunderstorms likely after 9am. Partly sunny, with a high near 30. Southwest wind 11 to 16 km/h, with gusts as high as 27 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Sunday Night
Showers and thunderstorms likely, mainly before 9pm. Partly cloudy, with a low around 23. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 40%.
Monday Night
A chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 23. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms after 9am. Mostly sunny, with a high near 30. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Chance of precipitation is 50%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 29. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Myrtle Beach SC
 33.71°N 78.9°W (Elev. 6 m)
Last Update:
10:40 am EDT Aug 14, 2020
Forecast Valid:
12pm EDT Aug 14, 2020-6pm EDT Aug 20, 2020
 
Forecast Discussion
 
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Additional Resources

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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