Flash Flood Warning Issued for Harris, Montgomery, Waller Counties TX

Source: NOAA · Southeastern Texas

This alert is no longer in effect.

NOAA issued it on July 16, 2026, 5 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

NWS Houston/Galveston has issued a Flash Flood Warning for parts of southeastern Texas until 1:15 PM CDT on June 16.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Southeastern Texas
Issued
July 16, 2026
Issuing authority
NWS Houston/Galveston TX

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 5 weeks ago; use the issuing agency's live warning service for current conditions in Southeastern Texas.

Alert Details

A Flash Flood Warning has been issued by the National Weather Service Houston/Galveston TX. The alert is effective from June 16 at 10:49 AM CDT until June 16 at 1:15 PM CDT.

Affected Areas

The warning covers Harris County in southeastern Texas, southwestern Montgomery County in southeastern Texas, and northeastern Waller County in southeastern Texas. Specific locations that will experience flash flooding include Hockley, Waller, and Stagecoach.

What You Should Do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Expected Conditions

At 10:49 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 3.5 inches of rain have fallen. The expected rainfall rate is 3 to 5 inches in 1 hour. Additional rainfall amounts of 2 to 4 inches are possible.

Timeline

The Flash Flood Warning is in effect from June 16 at 10:49 AM CDT and expires June 16 at 1:15 PM CDT. Flash flooding is ongoing or expected to begin shortly.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Houston/Galveston has issued a Flash Flood Warning for parts of southeastern Texas until 1:15 PM CDT on June 16.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southeastern Texas. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.