Originally published October 21, 2026, 6:34 p.m. Central. Time-sensitive statements refer to that date.
Watch the video: HCE's edited clip on Facebook or Reed Timmer’s original recording on X. The article image is a video still.
Tornado watches are rare in Arizona. On Wednesday, the state got one.
Storm chaser Reed Timmer (@ReedTimmerUSA) posted this video of a storm west of Williams, Ariz., on X at 2:21 p.m. Central time Wednesday, Oct. 21. He described the storm as a "monster supercell" with a "ground scraper wall cloud." In the clip above, its dark, layered base hangs low over the trees, seen from the road.
The Storm Prediction Center issued Tornado Watch 688 Wednesday morning for Coconino, Mohave, Navajo and Yavapai counties, in effect until 6 p.m. Arizona time (8 p.m. Central). Williams is in Coconino County. It is the first tornado watch in Arizona in 16 years, according to the FOX Forecast Center. FOX Weather also reported a Level 3 of 5 risk of severe storms for Flagstaff and Prescott, with large hail and tornadoes possible.
As of this post, we have not seen confirmation that this storm produced a tornado.
We trimmed this video for length from Reed's original post of about 4½ minutes, and the full version is on his X account.
If you have ever seen a storm like this up close, tell us about it in the comments.
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Video credit: Reed Timmer (@ReedTimmerUSA), posted October 21, 2026. The HCE Facebook version was trimmed for length.
