First published Oct 16, 2026, 2:02:15 AM UTC · Last updated Oct 17, 2026, 2:07:15 AM UTC

Flood Warning — NWS Austin/San Antonio TX

Original source title

Flood Warning issued October 15 at 8:26PM CDT until October 19 at 10:42AM CDT by NWS Austin/San Antonio TX

Reported by U.S. National Weather Service Alerts NWS, U.S. National Weather Service Alerts NWS, U.S. National Weather Service Alerts NWS

The National Weather Service extended a warning for the Rio Grande at Foster Ranch in Val Verde County, Texas. Moderate flooding is forecast, with the river expected to rise above flood stage late Friday night.

At a glance

Affected location: Val Verde County, Texas

Illustrative image: Report on the hydrology of the Calveras Creek Watershed in the San Antonio River Basin for 1955 to 1968.; v, 109 p. : ill., maps — Smith, James T; Mills, Willard B/Wikimedia Commons, CC BY 4.0

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Why it matters

The warning describes dangerous river conditions that threaten swimmers, campers, and travel on roads and crossings.

Update history

Oct 17, 2026, 1:13 AM UTC
The National Weather Service extended a warning for the Rio Grande at Foster Ranch in Val Verde County, Texas. Moderate flooding is forecast, with the river expected to rise above flood stage late Friday night.
U.S. National Weather Service Alerts NWS
Oct 16, 2026, 2:01 PM UTC
The National Weather Service warned of forecast moderate flooding along the Rio Grande at Foster Ranch in Val Verde County, Texas. Flooding was expected to begin late Friday afternoon, with dangerous conditions described for nearby campsites and river users.
U.S. National Weather Service Alerts NWS

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 8/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

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