Morning weather forecast for October 21, 2026
A dynamic low pressure system will clash with tropical moisture in the Desert Southwest the next couple days providing ample thunderstorm fuel for southern Utah. T-storms will be firing today across southern Utah and portions of central Utah, some of these storms could turn strong to severe producing wind, lighting, hail and even a low end chance for a brief spin-up. Severe weather and flash flood potential will be in play for southern Utah today through tomorrow. Northern Utah gets in on the action a little bit today but the best rain chances show up Thursday and Friday. Rainfall totals will be highest across southern and eastern Utah from .50" to 1.50". Northern Utah could see totals up to 1" with localized areas higher. Mountain water totals from 1-3" with a few areas in southern Utah up to 5"! Snow totals on the back side of this storm will be around 3-6" above 8000ft. – Matt Johnson, KSL Weather 10.21.26
