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THIS WEEK: Warm and windy Sunday, then Arctic air arrives by Monday morning

Wind chills drop into the 20s early Monday

Temperature trend in San Antonio this week.

FORECAST HIGHLIGHTS

  • SUNDAY: Turning sunny, warm, and windy
  • COLD FRONT: Arrives Sunday afternoon
  • MONDAY: Morning wind chills in the 20s, light freeze possible
  • THIS WEEK: Noticeably colder, morning light freezes through at least midweek
  • PRECIPITATION: Cold rain likely in San Antonio on Thursday and Friday (Hill Country mix possible)

FORECAST

WARM AND WINDY SUNDAY

Hope you’re having a great weekend!

While some patchy fog can’t be ruled out this morning, coverage should not be as high as what was found Saturday. Morning cloud cover will quickly lead way to plenty of sunshine this afternoon as highs climb into the mid-70s shortly after lunchtime.

The highly-advertised Arctic cold front arrives this afternoon, kicking up a healthy north wind with gusts up to 30-35 mph at times. Not only will this usher in noticeably colder air for the upcoming work week, but it will also create elevated fire danger conditions later today. Be careful! We can also expect mountain cedar to rise in the pollen count by Monday as well.

Turning sunny and windy Sunday afternoon.

MUCH COLDER AIR ARRIVES

A light freeze is possible by Monday morning in San Antonio as temperatures tumble into the low-30s. Factor in a leftover breeze, and wind chills in the 20s are expected for a few hours, meaning you’ll definitely want to bundle up the kiddos headed out to the school bus stop.

Monday morning wind chills in the 20s expected.

Highs manage to climb to about 50 degrees on Monday afternoon thanks to total sunshine. However, brief, light morning freezes continue through at least Wednesday, so be sure to bring your potted plants inside and give your pets a warm place to sleep. If you live in the Hill Country and want to go ahead and wrap your exposed pipes ahead of the upcoming week, it wouldn’t hurt to do that, too.

It’s important to note here that while afternoons will still be cold (30s & 40s through Friday), San Antonio will manage to climb above freezing each day, so an extended period of sub-freezing temperatures is NOT expected.

WHAT ABOUT PRECIPITATION?

As of now, odds favor a cold rain in San Antonio starting Thursday morning and lasting into Friday. However, a wintry mix can’t completely be ruled out in the Hill Country Thursday and Friday mornings, but it’s still too early to confidently pin down those specifics.

It will likely come down to exactly how cold it gets when the moisture arrives, and every single degree counts. Unfortunately, those details are still uncertain this far out, but we’ll keep you updated on the potential as we get closer.

Please continue to check back in with us! Until then -- have a great day and a great rest of your weekend. ~ Mia

Extended forecast in San Antonio

About the Author
Mia Montgomery headshot

Meteorologist Mia Montgomery joined the KSAT Weather Authority Team in September 2022. As a Floresville native, Mia grew up in the San Antonio area and always knew that she wanted to return home. She previously worked as a meteorologist at KBTX in Bryan-College Station and is a fourth-generation Aggie.

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