| NWS Forecast for: Irmo SC Issued by: National Weather Service Columbia, SC Last Update: 2:17 pm EDT Jul 13, 2025 | |
| This Afternoon: A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 36. Heat index values as high as 39. Northwest wind 5 to 8 km/h. Chance of precipitation is 20%. Tonight: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms. Monday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 36. Heat index values as high as 39. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms. Monday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than 1 mm, 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 34. Calm wind becoming southeast 5 to 10 km/h in the morning. Chance of precipitation is 60%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms. Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms. Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 70%. Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%. Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 34. Chance of precipitation is 50%. Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 24. Chance of precipitation is 30%. Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 35. Chance of precipitation is 40%. Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 25. Chance of precipitation is 30%. Saturday: A chance of showers and thunderstorms. Mostly sunny and hot, with a high near 36. Chance of precipitation is 40%. | |
| Irmo SC 34.1°N 81.2°W (Elev. 358 m) | |
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