Tomorrow | Weather | McAllen, Texas

Active Weather Warnings
Sunday, May 24, 2026
Sunny with a Chance of Thunderstorms
Day 91°
Night 75°
Precipitation 55 %
Wind 8 mph
UV Index (0 - 11+) 11
Weather Forecast History
Last Year's Weather on This Day (May 24, 2025)
Cloudy Weather

Day

99°

Night

81°

Wind

17 mph

UV Index

12

Precipitation

1 %

Weather Alerts and Warnings for

Severe Future Possible

Flood Watch

Flood Watch issued May 23 at 3:02AM CDT until May 25 at 7:00AM CDT by NWS Brownsville TX
May 23, 3:02 AM May 25, 7:00 AM
WHAT: Flooding caused by excessive rainfall continues to be
possible.

WHERE: All of Deep South Texas and the Rio Grande Valley.

WHEN: Through Monday morning.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Storm drains
and ditches may become clogged with debris.

ADDITIONAL DETAILS:
- Portions of Deep South Texas have already received 3 to 6 inches
of rainfall over the last 48 hours. Additional rounds of heavy
rainfall are possible through this weekend. Saturated soil and
urban poor drainage could lead to isolated to scattered flash
flooding.
- http://www.weather.gov/safety/flood
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You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Updated: May 23, 8:56 AM Source: NWS Alert