Flash Flood Warning Issued for Collin and Northern Dallas Counties Through Saturday Morning

Source: NOAA · North Central Texas

According to the U.S. Census Bureau's American Community Survey (ACS) 5-year estimates, the CDC PLACES population-level health analysis, and the CMS Hospital Compare quality data, Areazine publishes editorial articles drawing on more than 19,000 U.S. city profiles. See our methodology for full source attribution and refresh cadence.

The National Weather Service has issued a Flash Flood Warning for Collin and Northern Dallas counties as heavy thunderstorms produce significant rainfall across North Texas.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on March 13, 2026 and geographically references North Central Texas. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken — "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to — Weather Alerts — determines the regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (weather, alert, Flash Flood Warning, North Central Texas) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Alert Details

The National Weather Service in Fort Worth has issued a Flash Flood Warning for portions of north central Texas. This alert is an immediate notification regarding ongoing or expected flash flooding caused by heavy thunderstorms in the region.

Affected Areas

The warning covers the following geographic regions:

  • Collin County in north central Texas
  • Northern Dallas County in north central Texas

Specific locations expected to experience flash flooding include Dallas, Plano, Garland, Irving, Grand Prairie, McKinney, Carrollton, Frisco, Richardson, Lewisville, Allen, Flower Mound, Rowlett, Grapevine, Wylie, Coppell, Rockwall, Farmers Branch, University Park, and Sachse.

What You Should Do

Residents and travelers in the warned area are advised to take the following precautions:

  • Turn around, don't drown: Do not attempt to drive through flooded roads. Most flood-related deaths occur in vehicles.
  • Stay aware: Monitor your surroundings and avoid low-lying areas, urban streets, and underpasses where water collects quickly.
  • Avoidance: Stay away from small creeks and streams which may rise rapidly.

Expected Conditions

At 7:51 AM CST, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area.

  • Rainfall Totals: Between 1 and 2 inches of rain have already fallen.
  • Additional Accumulation: An additional 1 to 2 inches of rain are possible through the morning.
  • Primary Hazards: Flash flooding of small creeks, streams, urban areas, highways, streets, and underpasses, as well as other poor drainage and low-lying areas.

Timeline

The Flash Flood Warning is effective immediately as of 7:51 AM CST on March 7, 2026. The warning is currently scheduled to expire at 11:00 AM CST.

Original source: NOAA Official Notice ↗

All Weather Alerts →

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Flash Flood Warning for Collin and Northern Dallas counties as heavy thunderstorms produce significant rainfall across North Texas.
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 North Central 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.