Texas Weather Alert: Warm Start Gives Way to Weekend Storms

San Antonio to see 58°F start before climbing to 82°F, with rain and thunderstorms expected on Saturday

Published on Feb. 12, 2026

Texas is waking up to mild and humid conditions in San Antonio, with temperatures around 58°F. However, the weather is expected to take a turn, with temperatures climbing to 80°F today and 82°F on Friday. The weekend will bring a significant weather event, with an 80% chance of rain and thunderstorms on Saturday, potentially causing slick roads and reduced visibility for Valentine's Day travel.

Why it matters

The rapid temperature changes and incoming storm system could impact travel plans and outdoor activities across the San Antonio area, making it important for residents to stay informed and prepared for the shifting weather conditions.

The details

Today, high pressure will keep the weather mostly sunny, with temperatures climbing to around 80°F. Friday will be even warmer, with highs reaching 82°F and increasing humidity. However, a 50% chance of showers is expected to develop late Friday night. The main weather event is expected on Saturday, with an 80% chance of rain and thunderstorms before mid-afternoon. Winds could reach gusts of 20 mph, and the wet pavement and reduced visibility may slow traffic across Bexar County.

  • Texas wakes up to temperatures around 58°F on Friday morning.
  • Temperatures are expected to climb to around 80°F on Friday.
  • Highs will reach 82°F on Friday, with a 50% chance of showers developing late at night.
  • Saturday will see an 80% chance of rain and thunderstorms before mid-afternoon, with winds gusting up to 20 mph.
  • Sunday will rebound with sunshine and highs near 79°F, with a breezy north wind.

The players

San Antonio, Texas

The city where the weather conditions are being reported and will be impacting.

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The takeaway

The rapid temperature changes and incoming storm system in San Antonio could significantly impact travel plans and outdoor activities, making it crucial for residents to stay informed and prepared for the shifting weather conditions.