| NWS Forecast for: Irmo SC Issued by: National Weather Service Columbia, SC Last Update: 8:33 pm EDT Jul 13, 2025 | |
| Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 74. Calm wind. Monday: A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 96. Heat index values as high as 103. Light east wind. 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 chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Light southeast wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday: A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 93. Heat index values as high as 101. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%. Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 50%. Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%. Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%. Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 30%. Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 40%. Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 30%. Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 50%. | |
| Irmo SC 34.1°N 81.2°W (Elev. 358 ft) | |
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