Key facts
- Alert
- Flash Flood Warning (severe)
- Issued by
- National Weather Service, Salt Lake City UT
- Areas
- Kane, UT; Washington, UT
- In effect
- until 11:15 AM MDT, Oct 21, 2026
What the National Weather Service says
“Turn around, don't drown when encountering flooded roads.”
NWS Salt Lake City UT, Flash Flood Warning, 11:07 AM MDT Oct 21, 2026 · official alert
“Most flood deaths occur in vehicles.”
NWS Salt Lake City UT, Flash Flood Warning, 11:07 AM MDT Oct 21, 2026 · official alert
“Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses.”
NWS Salt Lake City UT, Flash Flood Warning, 11:07 AM MDT Oct 21, 2026 · official alert
What to do
Stay out of floodwater. The National Weather Service says to turn around, don't drown when you meet a flooded road. Most flood deaths occur in vehicles.
Move to higher ground if you are in a low-lying area, near a creek or stream, or in an underpass. Never drive around barricades or into flooded roads.
The National Weather Service notes that just 6 inches of moving water can knock you down, and 1 foot of moving water can sweep a vehicle away.
Keep checking National Weather Service updates until the warning ends at 11:15 AM MDT.
Context
Flood insurance claims show past flood damage to insured homes in these counties. FEMA records list 8 claims in Kane County between 2003 and 2025, and 64 in Washington County between 1978 and 2026. These counts do not include uninsured losses.
FEMA has made flood-related disaster declarations covering both counties. One was a severe winter storm and flooding declaration in February 2011. Washington County also had a severe storm and flooding declaration in November 2012.
Updates
- The flash flood warning expired at 11:15 AM MDT.
- The National Weather Service updated the flash flood warning; it remains in effect until 11:15 AM MDT.
- The National Weather Service updated the flash flood warning; it remains in effect until 11:15 AM MDT.
- NWS Salt Lake City UT issued the flash flood warning until 11:15 AM MDT.
History here
Kane County: 8 flood insurance claims in FEMA's National Flood Insurance Program records since 2003, most recent 2025.
Kane County: recent federal disaster declarations
- DR-1955 (2011): severe winter storm and flooding
Washington County: 64 flood insurance claims in FEMA's National Flood Insurance Program records since 1978, most recent 2026.
Washington County: recent federal disaster declarations
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Questions
- Is there a flash flood warning in Zion National Park, Utah?
- Yes. The National Weather Service in Salt Lake City issued a Flash Flood Warning at 8:15 AM MDT that covers Zion National Park and Springdale. It runs until 11:15 AM MDT on October 21, 2026.
- How much rain has fallen in the warned area?
- At 8:15 AM MDT, Doppler radar indicated thunderstorms producing heavy rain. Between 0.25 and 0.5 inches have fallen, and flash flooding was ongoing or expected to begin shortly.
- Which areas are under the Flash Flood Warning?
- The warning covers west central Kane County and east central Washington County in Utah. The National Weather Service names Zion National Park and Springdale as places that will experience flash flooding.
Sources
- NWS Salt Lake City UT: Flash Flood Warning, Oct 21, 2026 weather.gov
- FEMA OpenFEMA: NFIP claims and disaster declarations fema.gov
How this page is made. The Herebeat Hazard Desk builds event pages from official U.S. government data (National Weather Service, USGS, FEMA). The text is written with AI from that data; every number and quote is checked against the official source automatically before publishing, and the page is updated when the agency updates the event. The official source is always the reference. Spotted a mistake? info@herebeat.app. About the Hazard Desk.