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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

Mount Pleasant Regional-Faison Field (KLRO)

Lat: 32.9°NLon: 79.78°WElev: 13ft.

Mostly Cloudy

81°F

27°C

Humidity 70%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Jun 9:55 am EDT
Extended Forecast for

Mount Pleasant SC

  • Today

    Today: Partly sunny, with a high near 90. Northeast wind 5 to 7 mph becoming southeast in the afternoon.

    High: 90 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers between 10am and 11am. Mostly sunny, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    Showers then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South wind 5 to 7 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Southwest wind 5 to 15 mph, with gusts as high as 22 mph.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.

    Low: 77 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 90. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Tonight
Mostly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of showers between 10am and 11am. Mostly sunny, with a high near 90. Light and variable wind becoming south 5 to 10 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 77. South wind 5 to 7 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Southwest wind 5 to 15 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 79.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 77.
Wednesday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 76.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mount Pleasant SC
 32.82°N 79.84°W (Elev. 13 ft)
Last Update:
8:30 am EDT Jun 20, 2026
Forecast Valid:
10am EDT Jun 20, 2026-6pm EDT Jun 26, 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