U.S. weather warnings on Wednesday, October 21, 2026

The National Weather Service issued 86 warnings across the United States on Wednesday, October 21, 2026 (UTC). The most common was the severe thunderstorm warning (60). AZ had the most (59).

By type

By state

• AZ59
• NM10
• UT7
• AK5
• NV4
• VA1

Storm reports

The Storm Prediction Center logged 0 tornado, 7 damaging wind and 32 large hail reports for the severe weather day from October 21 12:00 UTC to October 22 12:00 UTC. Reports are preliminary: one storm can be reported more than once. Circles on the map: tornadoes red, wind blue, hail green.

Largest hail: 2.00 inches (5.1 cm) at 22:34 UTC, 4 NE Glendale, Maricopa County, AZ.

Strongest measured or estimated gust: 72 mph (116 km/h), Flagstaff Airport, Coconino County, AZ.

Source: NOAA Storm Prediction Center storm reports.

Severe Thunderstorm Warning (60)

• Greenlee, AZ, AZ00:49 UTC
• Maricopa, AZ and Pinal, AZ, AZ04:49 UTC
• Maricopa, AZ, AZ05:28 UTC
• Gila, AZ and Maricopa, AZ, AZ06:11 UTC
• Gila, AZ and Yavapai, AZ, AZ06:38 UTC
• Gila, AZ, AZ07:12 UTC
• Yavapai, AZ, AZ07:23 UTC
• Coconino, AZ and Yavapai, AZ, AZ07:29 UTC
• Gila, AZ and Yavapai, AZ, AZ07:52 UTC
• Coconino, AZ, AZ08:00 UTC
• Gila, AZ and Yavapai, AZ, AZ08:13 UTC
• Coconino, AZ, AZ08:44 UTC
• Maricopa, AZ, AZ08:54 UTC
• Yavapai, AZ, AZ09:00 UTC
• Yavapai, AZ, AZ09:26 UTC
• Yavapai, AZ, AZ09:58 UTC
• Yavapai, AZ, AZ10:33 UTC
• Maricopa, AZ, AZ10:40 UTC
• Yavapai, AZ, AZ10:45 UTC
• Yavapai, AZ, AZ10:59 UTC
• Coconino, AZ and Yavapai, AZ, AZ11:27 UTC
• Coconino, AZ and Yavapai, AZ, AZ11:59 UTC
• Coconino, AZ and Navajo, AZ, AZ13:44 UTC
• Yavapai, AZ, AZ13:59 UTC
• Yavapai, AZ, AZ14:32 UTC
• Mohave, AZ and Clark, NV, NV15:27 UTC
• Coconino, AZ and Yavapai, AZ, AZ15:43 UTC
• Yavapai, AZ, AZ17:17 UTC
• Coconino, AZ, Gila, AZ and Yavapai, AZ, AZ17:39 UTC
• Coconino, AZ, AZ19:05 UTC
• Navajo, AZ, AZ19:49 UTC
• Apache, AZ, AZ19:55 UTC
• Cochise, AZ, Graham, AZ, Pima, AZ and Pinal, AZ, AZ20:09 UTC
• McKinley, NM and San Juan, NM, NM20:14 UTC
• Cibola, NM and McKinley, NM, NM20:16 UTC
• Navajo, AZ, AZ20:23 UTC
• Pinal, AZ, AZ20:57 UTC
• Coconino, AZ and Gila, AZ, AZ21:00 UTC
• Rio Arriba, NM, NM21:03 UTC
• Cibola, NM and McKinley, NM, NM21:17 UTC
• Cibola, NM and McKinley, NM, NM21:57 UTC
• Cochise, AZ and Graham, AZ, AZ22:04 UTC
• Maricopa, AZ and Pinal, AZ, AZ22:04 UTC
• Catron, NM and Cibola, NM, NM22:05 UTC
• Gila, AZ and Navajo, AZ, AZ22:06 UTC
• Mohave, AZ, NV22:34 UTC
• Maricopa, AZ, AZ22:40 UTC
• Inyo, CA, NV22:41 UTC
• Graham, AZ, AZ22:49 UTC
• Coconino, AZ, AZ22:51 UTC
• Washington, UT, UT22:54 UTC
• Coconino, AZ, AZ22:55 UTC
• Iron, UT and Washington, UT, UT23:18 UTC
• Gila, AZ and Yavapai, AZ, AZ23:22 UTC
• Cibola, NM and McKinley, NM, NM23:29 UTC
• Coconino, AZ, AZ23:34 UTC
• Cibola, NM and Valencia, NM, NM23:36 UTC
• Graham, AZ, AZ23:39 UTC
• Gila, AZ, Maricopa, AZ and Pinal, AZ, AZ23:41 UTC
• Coconino, AZ, Gila, AZ and Yavapai, AZ, AZ23:43 UTC

Tornado Warning (10)

• Coconino, AZ, AZ12:19 UTC
• Coconino, AZ and Yavapai, AZ, AZ12:22 UTC
• Coconino, AZ, AZ12:49 UTC
• Yavapai, AZ, AZ14:49 UTC
• Yavapai, AZ, AZ15:18 UTC
• Coconino, AZ, AZ16:09 UTC
• Coconino, AZ, AZ16:22 UTC
• Coconino, AZ, AZ18:32 UTC
• Apache, AZ and Navajo, AZ, AZ22:29 UTC
• Graham, AZ, AZ23:02 UTC

Flash Flood Warning (9)

• Kane, UT and Washington, UT, UT14:15 UTC
• Coconino, AZ, AZ18:02 UTC
• Washington, UT, UT19:04 UTC
• Coconino, AZ, AZ21:28 UTC
• Lincoln, NM, NM22:29 UTC
• Washington, UT, UT22:55 UTC
• Iron, UT, Kane, UT and Washington, UT, UT23:01 UTC
• McKinley, NM, NM23:35 UTC
• Inyo, CA and San Bernardino, CA, NV23:46 UTC

Coastal Flood Warning (2)

• Virginia Beach, VA07:59 UTC
• Yukon Delta Coast, AK23:09 UTC

High Wind Warning (2)

• Kuskokwim Delta Coast and Nunivak Island, Interior Kuskokwim Delta, Western Capes and Northern Bristol Bay Coast, AK21:14 UTC
• St Lawrence Island, AK22:50 UTC

Flood Warning (1)

• Garfield, UT, Kane, UT and San Juan, UT, UT18:35 UTC

Blizzard Warning (1)

• Interior Seward Peninsula, AK23:06 UTC

Winter Storm Warning (1)

• South Slopes of the Western Brooks Range and Noatak Valley, AK23:06 UTC

Watch or warning?

A watch means conditions are right for a hazard to develop: be prepared. A warning means it is happening or about to happen: take action now. Advisories are for less serious hazards that still call for caution.

Land-based warnings from the National Weather Service (marine warnings and advisories are not listed). Times in UTC.