Columbia, SC Memorial Day Weather: Expect Morning Showers and Wet Roads on I-26 and I-20 Through Midweek

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Columbia, S.C. – Rain could disrupt Memorial Day morning plans across Columbia as scattered showers begin before sunrise and continue through at least 11 a.m.

According to the National Weather Service, there’s a 40% chance of rain and isolated thunderstorms Monday morning, especially between 7 and 11 a.m. Expect slick roadways on I-20, I-26, and Highway 321 as moisture combines with holiday traffic. Storms could bring gusty winds and brief downpours.

Rain chances increase again Monday night, with a 40% likelihood of additional showers under mostly cloudy skies and lows in the lower 60s. Tuesday could be the wettest day of the week, with a 70% chance of rain and highs in the mid-70s. Wet weather persists through Tuesday night and Wednesday, with continued storm chances and daily highs in the low 80s.

Drivers should reduce speed on wet roads, and residents are urged to secure outdoor Memorial Day decorations and stay weather-aware for updates.

Extended Look at Columbia’s Five-Day Forecast:

  • Tuesday: High near 74°F. Showers likely throughout the day.
  • Wednesday: Showers likely again, especially after 2 p.m. High near 82°F.
  • Thursday: Partly sunny with a 50% chance of storms. High near 86°F.
  • Friday: A bit drier, mostly sunny with only a 40% storm chance. High near 86°F.
  • Saturday: Summer-like feel returns. Mostly sunny with highs in the mid-80s and just a 30% chance of rain.