Key facts
- Alert
- Tornado Warning (extreme)
- Issued by
- National Weather Service, Flagstaff AZ
- Areas
- Yavapai, AZ
- Places
- Prescott Valley, Prescott, Chino Valley, Dewey-Humboldt, Downtown Prescott, Oak Knoll Village, Whipple, Embry-Riddle Aeronautical University, Prescott Regional Airport, Prescott Rodeo Grounds, Yavapai County Fairgrounds, Mingus Mountain
- In effect
- until 8:15 AM MST, Oct 21, 2026
- Detection
- Radar indicated
What the National Weather Service says
“Move to an interior room on the lowest floor of a well-built building”
NWS Flagstaff AZ, Tornado Warning, 7:49 AM MST Oct 21, 2026 · official alert
“away from windows.”
NWS Flagstaff AZ, Tornado Warning, 7:49 AM MST Oct 21, 2026 · official alert
“Flying debris will be dangerous to those caught without shelter.”
NWS Flagstaff AZ, Tornado Warning, 7:49 AM MST Oct 21, 2026 · official alert
What to do
Move now to an interior room on the lowest floor of a well-built building, away from windows.
If you are outdoors, in a mobile home or in a vehicle, get to the closest substantial shelter and protect yourself from flying debris.
The National Weather Service says mobile homes will be damaged or destroyed and tree damage is likely. Stay sheltered until the warning ends at 8:15 AM MST or you receive updated official information.
Context
Flood-insurance claims in Yavapai County total 470, filed between 1978 and 2026. This count covers only insured properties and says nothing about tornado risk, since these claims relate to flooding.
FEMA's most recent disaster declaration listed for the county is number 1888, dated March 18, 2010, for severe winter storms and flooding.
Updates
- The tornado warning is no longer in effect.
- NWS Flagstaff AZ issued the tornado warning until 8:15 AM MST.
History here
Yavapai County: 470 flood insurance claims in FEMA's National Flood Insurance Program records since 1978, most recent 2026.
Yavapai County: recent federal disaster declarations
- DR-1888 (2010): severe winter storms and flooding
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Questions
- Is there a tornado warning in Prescott Valley, Arizona?
- Yes. The National Weather Service in Flagstaff issued a Tornado Warning for Yavapai County, including Prescott Valley and Prescott, until 8:15 AM MST.
- What is causing the tornado warning in Yavapai County?
- Radar indicated rotation in a severe thunderstorm over Prescott Valley at 7:49 AM MST. It was moving northeast at 40 mph, with a hazard of tornado and quarter size hail.
- Which areas and roads are affected by the Yavapai County tornado warning?
- Places named include Prescott Valley, Prescott, Chino Valley, Dewey-Humboldt and Mingus Mountain. Highways include State Route 69, State Route 89 and State Route 89A.
Sources
- NWS Flagstaff AZ: Tornado 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.