Flash Flood Warning issued September 28 at 6:44PM MDT until September 28 at 9:00PM MDT by NWS Salt Lake City UT

Level
Severe (4/5) · CAP Severe
Region
North America
Category
Weather
Source
NWS / NOAA weather

At 644 PM MDT, Zion National Park Dispatch confirmed that flash flooding is occurring in Heaps Canyon, as well as several other drainages within the park. Between 0.25 and 0.75 inches of rain have fallen, and additional light to moderate rain is expected to persist through this evening. Flash flooding is already occurring.

HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding.

SOURCE...Zion National Park Dispatch

IMPACT...Life threatening flash flooding of slot canyons, normally dry washes, creeks and streams.

Some locations that will experience flash flooding include... Zion National Park and Springdale.

In the last 30 days
1613th Weather alert at severity 4+ in the last 30 days

Source: NWS / NOAA weather

Understanding Global Threats

Browse All Topics & Pages

Complete sitemap with all intelligence resources

View Sitemap →

Related Preparedness Gear

Be prepared for evolving situations

Global Conflict Map

Live snapshot of conflict locations and tension zones worldwide.

Last update on: November 13, 2026

Keep Exploring