Cold, damp in San Antonio to end 2020

Snow/wintry mix possible for the Edwards Plateau & parts of Hill Country Thursday

The NYE forecast for the San Antonio area (Copyright 2020 by KSAT - All rights reserved.)

SAN ANTONIO – On this last day of 2020, the weather forecast is a bit busy! Here’s what you need to know:

  • A strong cold front arrived Wednesday afternoon, which dropped temperatures al the way into the 30s and 40s Thursday morning.
  • Wednesday night and Thursday morning, showers and storms developed due to an approaching low pressure system to the west.
  • While most of the rain will have fallen in the morning hours, some lingering showers will be possible through early Thursday evening in and around San Antonio.
  • Even with a break in the rain, stubborn cloud cover and a north wind will limit temperatures to the mid-40s Thursday afternoon.
  • By midnight New Year’s Eve (Thursday night), it should be mostly clear and chilly for any firework displays.
  • New Year’s Day (Friday) will start off near freezing with a high in the 50s under mostly sunny skies.

WATCH: Texans enjoy snow ahead of New Year’s Day

Healthy Rainfall Likely

  • This December, we’ve only seen 0.05″ of rainfall and drought is intensifying around San Antonio.
  • Through Thursday night, it’s possible that some locations could see 1″ to 2″ of beneficial rainfall.
Rainfall Potential (Copyright 2020 by KSAT - All rights reserved.)

Wintry Mix Possibility

  • Through Thursday evening, some wintry precipitation will be possible well northwest of San Antonio. As temperatures approach freezing, there is a possibility for a wintry mix -- especially across the Edwards Plateau and parts of the Hill Country.
  • A Winter Storm Warning is in place for Val Verde, Edwards, Real, and Kerr Counties through Thursday night. Anywhere from 1″ to 4″ of snow is possible in these areas, along with wind gusts up to 40 mph.
  • Any precipitation in the San Antonio area is expected to remain a cold rain.
Chances of snow are higher well west of San Antonio on Thursday (Copyright 2020 by KSAT - All rights reserved.)

Stay Informed

Keep tabs on this busy forecast by bookmarking our weather page and downloading the KSAT Weather Authority App - available for Apple and Android devices.

7 Day Forecast

The latest planning forecast for the San Antonio area (Copyright 2020 by KSAT - All rights reserved.)

About the Authors:

Sarah Spivey is a San Antonio native who grew up watching KSAT. She has been a proud member of the KSAT Weather Authority Team since 2017. Sarah is a Clark High School and Texas A&M University graduate. She previously worked at KETN News. When Sarah is not busy forecasting, she enjoys hanging out with her husband and cat, and playing music.

Justin Horne is a meteorologist and reporter for KSAT 12 News. When severe weather rolls through, Justin will hop in the KSAT 12 Storm Chaser to safely bring you the latest weather conditions from across South Texas. On top of delivering an accurate forecast, Justin often reports on one of his favorite topics: Texas history.