Cooler Air Ahead in South Carolina

April 18 forecast predicts breezy conditions and elevated fire danger

Apr. 18, 2026 at 10:49pm

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A vast, atmospheric landscape painting featuring a lone tree or structure dwarfed by a sweeping, dramatic sky filled with heavy, ominous clouds, conveying the overwhelming scale and power of an approaching storm system.The approaching storm system promises to bring a dramatic shift in weather conditions, underscoring the raw power of nature in the Upstate and mountain regions.Greenville Today

Cooler and breezy weather is expected to arrive on Sunday in the Upstate of South Carolina, Western North Carolina, and Northeast Georgia. A Wind Advisory is in effect for areas above 3500 feet, with sustained winds of 20-30 mph and gusts up to 50 mph likely. The forecast also includes an Elevated Fire Danger on Sunday along and east of the mountains.

Why it matters

Sudden changes in weather conditions can pose risks to public safety, especially in areas prone to wildfires. The forecast provides important advance notice to residents and emergency services to prepare for the potential impacts of the cooler temperatures and high winds.

The details

The cooler and breezy weather on Sunday will bring morning shower chances, followed by increasing sunshine. Highs are expected to reach the upper 60s to low 70s in the Upstate and Northeast Georgia, and near 60°F in the mountains. Lows will range from the 40s in the mountains to the 50s and 60s in the Upstate and Northeast Georgia. The Wind Advisory is in effect from 6 a.m. to 2 p.m. on Sunday for areas above 3500 feet.

  • The Wind Advisory is in effect from 6 a.m. until 2 p.m. on Sunday.
  • Cooler and breezy weather is expected to arrive on Sunday.

The players

WYFF News 4

The local news station serving the Greenville-Spartanburg-Asheville-Anderson market, which has been independently certified as having the most accurate weather forecast in the region for the second year in a row.

Chris Justus

The Chief Meteorologist at WYFF News 4, who has been recognized for the station's accurate weather forecasting in the challenging Upstate and mountain regions.

Blake Bridges

The President and General Manager of WYFF News 4, who emphasized the station's commitment to providing viewers with an accurate and trustworthy weather forecast.

Bruce Fixman

The President of WeatheRate, an independent research firm that tracks and certifies weather forecasts across the country, who praised WYFF News 4's weather team for their accuracy in the Upstate and mountain regions.

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What they’re saying

“Our goal every day, in every forecast, is accuracy.”

— Blake Bridges, WYFF News 4 President and General Manager

“Everyone knows that forecasting the weather around here is difficult with the Upstate and mountains. The station that gets the forecast right more than anyone else is Chief Meteorologist Chris Justus and the WYFF News 4 weather team.”

— Bruce Fixman, WeatheRate President

What’s next

Residents in the affected areas should monitor the weather conditions and be prepared for the potential impacts of the cooler temperatures and high winds, including an elevated fire danger.

The takeaway

The WYFF News 4 weather team's accurate forecasting in the challenging Upstate and mountain regions of South Carolina, North Carolina, and Georgia demonstrates their commitment to providing reliable and trustworthy weather information to the local community.