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

Hazardous Weather Conditions

Current conditions at

Mount Pleasant Regional-Faison Field (KLRO)

Lat: 32.9°NLon: 79.78°WElev: 13ft.

A Few Clouds

91°F

33°C

Humidity 67%
Wind Speed Vrbl 7 G 14 mph
Barometer 29.94 in
Dewpoint 79°F (26°C)
Visibility 9.00 mi
Heat Index107°F (42°C)
Last update 12 Aug 1:55 pm EDT
Extended Forecast for

Mount Pleasant SC

Heat Advisory August 12, 02:20pm until August 12, 08:00pm
Extreme Heat Warning August 13, 11:00am until August 13, 08:00pm
Click here for hazard details and duration
Heat Advisory
Extreme Heat Warning
  •  
    Heat Advisory August 12, 02:20pm until August 12, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 78. West wind 3 to 7 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Heat index values as high as 115. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 80. Southwest wind 6 to 8 mph.

    Low: 80 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. Southwest wind 5 to 11 mph.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 80.

    Low: 80 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.

    Low: 79 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 94. Heat index values as high as 110. West wind around 7 mph.
Tonight
Mostly clear, with a low around 78. West wind 3 to 7 mph.
Thursday
Sunny, with a high near 94. Heat index values as high as 115. Light west wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 80. Southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 94. Southwest wind 5 to 11 mph.
Friday Night
Partly cloudy, with a low around 80.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 79.
Monday
Sunny, with a high near 94.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 81.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Pleasant SC
 32.8°N 79.84°W (Elev. 10 ft)
Last Update:
2:10 pm EDT Aug 12, 2026
Forecast Valid:
2pm EDT Aug 12, 2026-6pm EDT Aug 18, 2026
 
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