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Cold front brings 50-degree drop, gusty winds & power outages

Gusts up to 50 mph are possible Sunday night

Extended Forecast (Copyright 2026 by KSAT - All rights reserved.)

FORECAST HIGHLIGHTS

  • TONGIHT: High fire danger. Strong cold front. 40-50 mph wind gusts.
    • WATCHING FOR: Downed tree limbs, spotty power outages
  • MONDAY: Near 40° at sunrise. Highs in the 50s. High fire danger
  • TUESDAY MORNING: 30s. Above freezing for San Antonio. Light freeze in Hill Country

FORECAST

RECORD HEAT

The dry air helped push temperatures above our last record! Breaking a record that’s stood since 1908.

Record breaking heat Sunday (Copyright 2026 by KSAT - All rights reserved.)

TONIGHT

A strong cold front moved through Sunday and the gusty north winds will have already kicked in. Gusts of up to 40-50 mph are possible through the evening and overnight hours.

Winds will be VERY GUSTY Sunday night (Copyright 2026 by KSAT - All rights reserved.)

While we don’t expect widespread power outages, these kinds of winds can cause tree limbs to sway and potentially break, interacting with power lines. This *may* cause spotty power outages tonight.

Meanwhile, the fire danger will be very high. Please avoid any kind of outdoor burning and dispose of cigarettes properly. A RED FLAG WARNING is in effect until 8 pm Monday.

Red Flag Warning is in effect from Noon Sunday through 8 pm Monday (Copyright 2026 by KSAT - All rights reserved.)

MONDAY & TUESDAY

As we head back to work and school, temps will plummet by Monday morning. We will be cold, but above freezing. San Antonio will dip to near 40°. Monday night will be cold, and by Tuesday morning, many of us will be in the 30s. While we expect temperatures to stay just above freezing in San Antonio, outlying areas may briefly touch freezing.

Tuesday morning will bring a light freeze to the Hill Country (Copyright 2026 by KSAT - All rights reserved.)

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