A complex storm system brought numerous severe thunderstorm winds to northern UT and a flash flooding event to the San Rafael Swell.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS SLC wrote it up.
A complex storm system brought numerous severe thunderstorm winds to northern UT and a flash flooding event to the San Rafael Swell.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Salt Lake City, UT wrote its last area forecast discussion before the first event at Apr 1, 11:06 AM MST, 2 hours 33 minutes earlier. Its key messages:
Area Forecast Discussion National Weather Service Salt Lake City UT 1206 PM MDT Wed Apr 1 2026 .KEY MESSAGES... - A brief lull is expected this afternoon as precipitation tapers off this morning. Scattered convective showers look to develop west of I-15 and progress toward the I-15 corridor. - A much colder storm progresses toward the forecast area tonight through Friday morning bringing snowfall to lower elevations and higher accumulations across our northern mountains. There exists potential for light valley accumulations Friday morning. - Widespread freezing temperatures look to develop Friday morning, potentially damaging early season agriculture. && .DISCUSSION... Current radar and satellite imagery indicate weakening rain showers and gradually eroding cloud cover across eastern NV and the UT West Desert. Eventually, at least some cloud breaks are expected to develop across northern UT this afternoon with modest destabilization expected to occur as temperatures raise into the mid 50s to low 60s. With 3CAPE ranging from 50-100J/kg and MLCAPE ranging from 300-500J/kg, convective showers are expected to develop across the West Desert and progress toward the Wasatch Front this afternoon. Gusts ranging from 40-50mph, occasional lightning, and perhaps a few instances of graupel are possible with these storms. Across higher elevation locations, these storms may lead to a few instances of locally heavy graupel/snow mix with lightning. Early Thursday morning, a cold front will sweep across northern UT with a notable uptick in associated precipitation along the front. While valley locations can expect heavy rainfall along the front, our northern UT mountains may see a notable uptick in snowfall rates ahead of and along the approaching frontal boundary. Most northern UT mountains can expect 1-1.5in/hr developing as early as 6AM, though the Bear River Range and Upper Cottonwoods may see rates in excess of 2-2.5in/hr from 6AM-12PM. Following the passage of the front, precipitation rates are expected to gradually taper off into the early evening as ascent weakens across northern UT. However, a few pieces of hi-res guidance have indicated that a lake effect band may form Thursday afternoon (12z HRRR and RRFS both indicate this solution) and potentially persist into Friday morning. This would result in localized higher snowfall accumulations along the Wasatch Front, and potentially the Salt Lake Valley east bench locations as snow levels are forecast to drop below valley floors by 6PM Thursday. Currently, the Great Salt Lake water temperature sits around ~59F thanks to the recent warm spell that we had, and with 700mb temperatures potentially dropping as low as -12C, the development of a lake effect band is certainly in the cards. Regarding overall accumulations, there is a 70-90% chance of at least 6" for the Wasatch Mountains, Bear River Range, and High Uintas. Moisture quality and ascent tapers off notably further south of Utah county, with chances for 6" or greater ranging from 20-40% along our higher elevation central UT mountains as snow levels remain rather high. Chances for 12" or greater are generally confined to the Upper Cottonwoods and Bear River Range, where probabilities range from 70-90% as well. Given NW flow establishing itself following the frontal passage, it is expected that the Upper Cottonwoods will perform the best with this system. With the potential of a lake effect band setting up, chances for 18" or greater across the upper cottonwoods range from 50-70% through Friday morning. Regarding valley snowfall, chances for measurable snowfall (0.1") appear increasingly likely along the I-15 corridor extending into central UT with chances generally hanging around 60%+. Preceding road temperatures are forecast to hinder overall accumulations, with chances for 1" dropping to less than 20% for the majority of the I- 15 corridor through central UT. However, with the potential lake effect band setting up, chances for 1" or greater along the east benches of the Salt Lake valley range from roughly 30-60%. High pressure looks to redevelop across the Great Basin this weekend bringing a return to drier and warmer weather with another stretch of record-breaking warmth developing early next week. A signal for another potential pattern breakdown exists around the middle of next week signaling a return to more active weather, though solutions remain quite uncertain at this time. && .AVIATION...KSLC...VFR conditions are expected through the remainder of the day today with persistent rain showers tapering off through the early afternoon. Throughout the afternoon, however, there is around a 30% chance that rain showers move over the terminal. Additionally, light southerly flow will remain in place through the remainder of the day, however, rain showers moving to the north of the terminal will bring potential for a brief wind shift to the north. Otherwise, cloud cover decreases later this afternoon but will quickly build again overnight and tomorrow morning. .REST OF UTAH AND SOUTHWEST WYOMING...A mix of VFR and MVFR/IFR conditions are expected across the northern and central area today as rain continues into the early afternoon. Coverage of showers will be maintained near terrain features through the afternoon, though overall coverage will decrease after 19-20Z. Brief clearing of skies is expected this afternoon, however, lower level cloud cover will increase once again during the overnight hours. A cold front will pass through the area on Thursday morning, bringing gusty northerly winds across the northern half of Utah and southwest Wyoming. && .SLC WATCHES/WARNINGS/ADVISORIES... UT...None. WY...None. && PUBLIC...Worster AVIATION...Webber For more information from NOAA's National Weather Service visit... http://weather.gov/saltlakecity
The Cedar City radar (KICX), 210 km away, was scanning. The volume nearest the first event began at 20:38 UTC.
8 thunderstorm wind, 1 flash flood. Local standard time, as filed.
Emery county emergency management reported an ongoing flood and search and rescue operation in Little Wildhorse Slot Canyon. Water was at least 1 to 2 feet deep with locally deeper water. Rescue was successful with no significant injuries reported.
The Syracuse mesonet station recorded a wind gust of 59mph as a result of outflow winds associated with a nearby cluster of convective snow showers moving through the area.
The Ogden Airport ASOS reported a peak wind gust of 61mph.
A trained spotter reported broken tree branches knocked down by severe wind gusts from a thunderstorm near the Ogden Country Club.
A trained spotter discovered a power pole that was snapped by associated severe wind gusts from a thunderstorm that had fallen onto a vehicle.
A trained spotter reported medium sized tree branches that were snapped from severe wind gusts from an associated thunderstorm.
A trained spotter discovered multiple snapped trees from severe wind gusts associated from a thunderstorm within Leavitts Mortuary and Aultorest Memorial Park in Ogden.
A trained spotter reported that a street light was knocked over by severe wind gusts associated with a thunderstorm.
A severe thunderstorm wind gust to 60mph was measured at the I-15 at MP 333 Antelope Drive UDOT RWIS sensor.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2026Every state in 2026This day in weather historyWarnings in Utah, April 2026
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1334953, 1334677, 1334885, 1334890, 1334891, 1334893, 1334894, 1334895, 1334896.