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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Columbia, Columbia Metropolitan Airport (KCAE)

Lat: 33.94°NLon: 81.12°WElev: 233ft.

Mostly Cloudy

85°F

29°C

Humidity 51%
Wind Speed N 9 mph
Barometer 29.84 in (1010.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 29 Jul 11:56 pm EDT
Extended Forecast for

Irmo SC

  • Overnight

    Overnight: Mostly clear, with a low around 72. North wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. North wind around 6 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 70. Calm wind.

    Low: 70 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95. Light and variable wind.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 74. Southeast wind 3 to 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm, mainly after 2pm. High near 90. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 73. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 72. North wind around 5 mph.
Thursday
Sunny, with a high near 91. North wind around 6 mph.
Thursday Night
Clear, with a low around 70. Calm wind.
Friday
Sunny, with a high near 95. Light and variable wind.
Friday Night
Partly cloudy, with a low around 74. Southeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 94.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Sunday
Showers and possibly a thunderstorm, mainly after 2pm. High near 90. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 73. Chance of precipitation is 80%.
Monday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm. Low around 74. Chance of precipitation is 80%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Tuesday Night
A chance of thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Irmo SC
 34.08°N 81.18°W (Elev. 299 ft)
Last Update:
2:44 pm EDT Jul 29, 2026
Forecast Valid:
12am EDT Jul 30, 2026-6pm EDT Aug 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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