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

Mississippi Valley Summer Heat Wave; Severe Thunderstorms and Flooding Possible to the North

A dangerous summer heat wave will continue much of the Plains, Mid/Lower Mississippi Valley, Southeast U.S. today and Thursday. Areas of severe thunderstorms may occur today and again on Thursday from parts of the northern/central Rockies and High Plains into the Ohio Valley and Carolinas. Excessive rainfall over similar areas may bring flash flooding today and Thursday. Read More >

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 77%
Wind Speed S 20 G 23 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 6 Jul 3:56 pm EDT
Extended Forecast for

Myrtle Beach SC

  • This
    Afternoon

    This Afternoon: A slight chance of showers and thunderstorms. Sunny, with a high near 90. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    High: 90 °F

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 78 °F

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 90. Heat index values as high as 105. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 90 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind 11 to 14 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 76 °F

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 91. Southwest wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    High: 91 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    T-storms

    Low: 77 °F

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    T-storms
    Likely

    High: 91 °F

  • Saturday
    Night

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

    T-storms then
    Showers

    Low: 74 °F

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

    Showers
    Likely then
    T-storms
    Likely

    High: 85 °F

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms. Sunny, with a high near 90. Heat index values as high as 102. South wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 90. Heat index values as high as 105. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Southwest wind 11 to 14 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 91. Southwest wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Low around 74. Chance of precipitation is 80%.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 89.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Myrtle Beach SC
 33.71°N 78.9°W (Elev. 20 ft)
Last Update:
2:42 pm EDT Jul 6, 2022
Forecast Valid:
4pm EDT Jul 6, 2022-6pm EDT Jul 13, 2022
 
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Additional Resources

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Chance of Precipitation