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U.S. Storm Day Summary

Oct 21, 2026 Hail and Storm Summary

Oct 21, 2026 | United States | 2026-10-21 national severe weather summary

Daily hail and wind summary for Oct 21, 2026, with timeline context, related archives, and linked detail pages.

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Impacted Places

2 NW Downtown Flagstaff, AZ1 N Flagstaff Airport, AZ1 N Downtown Flagstaff, AZ2 N Flagstaff Airport, AZ2 WSW Downtown Flagstaf, AZ4 NE Glendale, AZ10 S Safford, AZ4 ESE Prescott Courthou, AZ3 NNW Downtown Flagstaf, AZ1 NE Downtown Flagstaff, AZ5 NE Glendale, AZ4 ENE Peoria, AZ6 SSE Deer Valley, AZ5 SSW Deer Valley, AZ4 SSE Deer Valley, AZ2 NE Glendale, AZ4 S Deer Valley, AZ2 NW Show Low, AZ3 SE Deer Valley, AZ3 ESE Deer Valley, AZ3 ENE Deer Valley, AZ4 E Deer Valley, AZ5 SE Deer Valley, AZ5 E Deer Valley, AZ

Hail Stats

Max Report
2.00 in
Reports
34
Severe Reports
34

Wind Stats

Max Gust
72 mph
Reports
7
Tornado Reports
0

Verified Event Log (5-Year Window)

DateHazardIntensityDistanceLocationSource
2026-10-21hail2.00 in-4 NE Glendale, AZNOAA SPC
2026-10-21hail1.75 in-2 WSW Downtown Flagstaf, AZNOAA SPC
2026-10-21hail1.75 in-2 WSW Downtown Flagstaf, AZNOAA SPC
2026-10-21hail1.75 in-4 SSE Deer Valley, AZNOAA SPC
2026-10-21hail1.75 in-4 E Deer Valley, AZNOAA SPC
2026-10-21hail1.75 in-5 E Deer Valley, AZNOAA SPC
2026-10-21hail1.75 in-5 SW Rockville, UTNOAA SPC
2026-10-21hail1.75 in-4 NW Mesquite, NVNOAA SPC
2026-10-21hail1.50 in-2 NW Downtown Flagstaff, AZNOAA SPC
2026-10-21hail1.50 in-2 N Flagstaff Airport, AZNOAA SPC
2026-10-21hail1.50 in-1 N Flagstaff Airport, AZNOAA SPC
2026-10-21hail1.50 in-2 N Flagstaff Airport, AZNOAA SPC
2026-10-21hail1.50 in-4 NE Glendale, AZNOAA SPC
2026-10-21hail1.50 in-4 S Deer Valley, AZNOAA SPC
2026-10-21hail1.50 in-5 ENE Deer Valley, AZNOAA SPC
2026-10-21hail1.50 in-6 E Prewitt, NMNOAA SPC
2026-10-21hail1.25 in-1 N Flagstaff Airport, AZNOAA SPC
2026-10-21hail1.25 in-1 NE Downtown Flagstaff, AZNOAA SPC
2026-10-21hail1.25 in-2 NW Downtown Flagstaff, AZNOAA SPC
2026-10-21hail1.25 in-6 SSE Deer Valley, AZNOAA SPC
2026-10-21wind72 mph-Flagstaff Airport, AZNOAA SPC
2026-10-21wind61 mph-10 S Safford, AZNOAA SPC
2026-10-21wind60 mph-4 ESE Prescott Courthou, AZNOAA SPC
2026-10-21wind60 mph-4 ESE Prescott Courthou, AZNOAA SPC

Photo of a few hail stones with the largest estimated at 2 inches in diameter. (PSR)

Corrects previous hail report from 2 WSW Downtown Flagstaff. Public reported via Facebook hail up to the size of golf balls. (FGZ)

Public reported via Facebook hail up to the size of golf balls. (FGZ)

(PSR)

(PSR)

(PSR)

Trained spotter reported golf ball sized hail via social media. (SLC)

(VEF)

Report Highlights

  • 34 hail reports were logged nationwide on October 21, 2026.
  • The largest hail report reached 2.00 in.
  • 7 wind/tornado reports were logged nationwide on October 21, 2026.
  • 0 tornado reports were included in this day summary.

Data & Methodology

Noaa Spc
41
  • Derived from NOAA SPC daily severe weather reports.

Explore More Reports

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Day Summary Archives

Recent Day Summaries

Timeline

  1. 2026-10-21T23:56:00Z

    Hail 1.00 in

    Measured biggest hail stone of quarter sized hail. (TWC)

  2. 2026-10-21T23:46:00Z

    Wind 61 mph

    Measured peak wind gust of 61 mph. (TWC)

  3. 2026-10-21T23:20:00Z

    Hail 1.50 in

    (ABQ)

  4. 2026-10-21T23:09:00Z

    Hail 1.75 in

    Trained spotter reported golf ball sized hail via social media. (SLC)

  5. 2026-10-21T22:45:00Z

    Hail 1.75 in

    (PSR)

  6. 2026-10-21T22:45:00Z

    Hail 1.50 in

    (PSR)

  7. 2026-10-21T22:43:00Z

    Hail 1.00 in

    (PSR)

  8. 2026-10-21T22:42:00Z

    Hail 1.75 in

    (PSR)

  9. 2026-10-21T22:40:00Z

    Hail 1.25 in

    Photo of multiple hail stones next to a tape measure with the largest stone around 1.25 inches. (PSR)

  10. 2026-10-21T22:40:00Z

    Hail 1.00 in

    (PSR)

  11. 2026-10-21T22:40:00Z

    Hail 1.25 in

    (PSR)

  12. 2026-10-21T22:38:00Z

    Hail 1.00 in

    Report from mPING: Quarter (1.00 in.). (FGZ)