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

Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina. Read More >

Hazardous Weather Conditions

Current conditions at

Myrtle Beach Air Force Base (KMYR)

Lat: 33.68°NLon: 78.93°WElev: 26ft.

A Few Clouds

79°F

26°C

Humidity 69%
Wind Speed E 5 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 23 Sep 7:56 pm EDT
Extended Forecast for

Myrtle Beach SC

  • Tonight

    Tonight: A slight chance of showers after 3am. Partly cloudy, with a low around 71. Southeast wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 20%.

    Mostly Clear
    then Slight
    Chance
    Showers

    Low: 71 °F

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 83. Northeast wind 7 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    High: 83 °F

  • Monday
    Night

    Monday Night: A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. East wind 8 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Slight Chance
    T-storms

    Low: 74 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 84. Northeast wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    High: 84 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 75. Light and variable wind.

    Mostly Cloudy

    Low: 75 °F

  • Wednesday

    Wednesday: Isolated showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

    Isolated
    T-storms

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: Scattered showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 40%.

    Scattered
    T-storms

    Low: 75 °F

  • Thursday

    Thursday: Scattered showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.

    Scattered
    T-storms

    High: 84 °F

  • Thursday
    Night

    Thursday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 50%.

    Scattered
    T-storms

    Low: 74 °F

Detailed Forecast

Tonight
A slight chance of showers after 3am. Partly cloudy, with a low around 71. Southeast wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 20%.
Monday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 83. Northeast wind 7 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. East wind 8 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms after 8am. Partly sunny, with a high near 84. Northeast wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Mostly cloudy, with a low around 75. Light and variable wind.
Wednesday
Isolated showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Wednesday Night
Scattered showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 40%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 50%.
Friday
Scattered showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 82.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Myrtle Beach SC
 33.69°N 78.9°W (Elev. 23 ft)
Last Update:
6:32 pm EDT Sep 23, 2018
Forecast Valid:
8pm EDT Sep 23, 2018-6pm EDT Sep 30, 2018
 
Forecast Discussion
 
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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