San Antonio, Texas Weather Alert Now: Dense Morning Fog Impacts I-35 Travel Today

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Texas humidity hangs thick over San Antonio this morning, with fog softening skyline lights and damp air clinging to neighborhoods near Kelly Field. Temperatures sit near 68 degrees after a muggy start in the low 60s, and visibility has dipped at times around 6 miles in patchy mist.

Drivers along I-35 and Loop 410 move through pockets of haze, especially in low-lying areas before midmorning. Pavement remains mostly dry, but reduced visibility can change quickly.

Fog lingers through early commute hours.

The National Weather Service office serving Austin–San Antonio reports areas of fog before 7 a.m., followed by gradual clearing. Highs climb to around 75 degrees today as clouds thin and northeast winds stay light near 5 to 10 mph.

Expect improving conditions by late morning.

Tonight turns partly cloudy with lows near 58. Saturday brings mostly sunny skies and a warm high near 78 degrees, though north winds may gust up to 25 mph by afternoon. Saturday night cools sharply into the mid-40s.

Sunday stays sunny and cooler, with highs near 67. Monday remains bright near 68 before a steady warming trend resumes. Tuesday reaches the mid-70s, and midweek surges into the mid-80s. Longer-range signals point to above-normal temperatures continuing into late February, delivering strong spring warmth across South Texas.

No winter weather threats loom, but rapid temperature swings can create slick spots if condensation forms on bridges during cooler mornings.

Are you seeing dense fog in your neighborhood right now?

Five-Day Outlook for San Antonio:
Saturday: Mostly sunny, high 78.
Sunday: Sunny, high 67.
Monday: Sunny, high 68.
Tuesday: Sunny, high 75.
Wednesday: Mostly sunny, high 86.