West Peak Roofing
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Utah Storm Date Index

Every storm NOAA has recorded in Utah since January 1996 β€” wind, hail, snow and flooding β€” searchable by county, type and year. 11,426 events. Each one links back to its original NOAA record.

Most people land here trying to find the date a storm hit their house. Filter to your county, then match the date to when you first noticed damage.

County: San Juan
← Clear countyTooele776La Sal & Abajo Mountains542Eastern Uinta Mountains530Washington393Tavaputs Plateau388Eastern Uinta Basin377Salt Lake371Grand Flat and Arches336Southeast Utah326Canyonlands / Natural Bridges270Box Elder261Wasatch Mountains South of I-80261Kane243Utah231Grand228San Juan212Wasatch Mountains I-80 North208Great Salt Lake Desert and Mountains204Garfield181Wayne180W Summit T Nw/Se Salt Lake/Wasatch X Sc/E Utah/P X E Juab/X Nw San Pete172Salt Lake and Tooele Valleys169Northern Wasatch Front162Rich/Cache T Nw/P E C Weber/Most of Morgan/Nw Summit/Ne Salt Lake/X Ne Box Elder153Weber150Davis137Southwest Utah136Western Uinta Mountains133Wasatch Plateau/Book Cliffs129Southern Mountains121Central Mountains115W Salt Lake T X W/E Toole T X E111Ne Box Elder T X Ne/W Weber/Davis109P Nc Weber/P C Morgan/P W C Summit/P Sc Wasatch104Southern Wasatch Front104Cache103Emery97X Nw Kane/Xs Xe Iron/N W Washington/Nw Wc Garfield/Piute/W Wayne/Sevier T C/X E Millard/S Sanpete T Sc/X Se Juab/P X Nw Emery/X E Beaver95Iron93Uintah92W Utah T X Nw/P X E Juab91West Central Utah89Duchesne86Wasatch Mountains South of I8086Wasatch Mountain Valleys79Wasatch Mountains I80 North70Millard62Cache Valley/Utah61Juab59Beaver58Carbon58Salt Lake and Toole Valleys57Northern Wasatch Front/Brigham City/Ogden Bountiful56Wasatch Mountain Valleys/Huntsville/Park City/Heber55C W Box Elder/C W Xe Toole/X W Salt Lake/X Nw Utah54Sevier49Cache Valley/Utah Portion48Central and Southwest Mountains47Nw Cache47Summit47C E Summit/X Ne Wasatch/N Duchesne46Sanpete/Sevier Valleys44Utahs Dixie and Zion National Park44Wasatch44Daggett43Beaver T X E/Iron T Xs Xe42Tooele and Rush Valleys41E Wasatch T X Ne/S Wc Duchesne/X Ne San Pete/Carbon T Sc/P X Ne X Nw Emery39Salt Lake Valley38Sanpete38South Central Utah38Western Unita Mountains38Southern Wasatch Front/Lehi/Provo/Nephi36Castle Country34Millard T X E/Juab T X E29Western Uinta Basin28Eastern Box Elder County27Utah Valley27Great Salt Lake Desert and Mountains/Wendover/Snowville26Rich25Glen Canyon Recreation Area/Lake Powell23Sc Washington23Southwest Utah/Cedar City/Milford23C Sc Sanpete/C Sevier22Morgan22Western Unita Basin18West Central Utah/Delta17Wasatch Back16P Sc Carbon/Nw Emery T X Nw15Piute15C Ec Xse Duchesne14Castle Country/Price/Castle/Dale/Emery14Eastern Juab/Millard Counties14San Rafael Swell14Utah'S Dixie and Zion National Park14Bear Lake and Bear River Valley13Daggett/N Uintah13Ne Garfield/X Sc X Se Wayne/C N San Juan13Kane T X Nw X E/Sc Garfield12Lower Washington County11Western Juab/Millard Counties11Bryce Canyon Country10Southeast Mountains/Canyonlands10San Rafael Swell/Greene River/Hanksville9Upper Sevier River Valleys9S Uintah/N Grand8South Central Utah/Kanab/Escalante7C Uintah6Emery T Nw X Ne/C E Wayne/P Sc Carbon6Sc Se San Juan5Sevier Valley5Western Canyonlands5Sanpete Valley3Sw San Juan/X E Kane/Se Garfield3Arches2Capitol Reef National Park and Vicinity2S Grand2Southeast Utah/Blanding2Zion National Park2Arches/North La Sals1C Grand1Canyonlands & Natural Bridges1Grand Flat1
Year: 2020

10 events in San Juan during 2020

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  1. HailSan Juan1.25β€³ hail

    A severe thunderstorm produced large hail measured to be the size of half dollars in Monticello.

    NOAA record 886197 β†—
  2. HailSan Juan1.75β€³ hail

    A severe thunderstorm produced large hail estimated to be the size of golf balls in Monticello.

    NOAA record 887497 β†—
  3. Thunderstorm WindSan Juan75 mph gust (estimated)

    The Blanding Cooperative Observer estimated a peak wind gust of 75 mph.

    NOAA record 886196 β†—
  4. HailSan Juan1.75β€³ hail

    A severe thunderstorm produced large hail measured to be the size of golf balls in Blanding.

    NOAA record 886193 β†—
  5. HailSan Juan1.25β€³ hail

    A severe thunderstorm produced large hail estimated to be the size of half dollars west-northwest of Blanding.

    NOAA record 887502 β†—
  6. HailSan Juan1.5β€³ hail

    A severe thunderstorm produced large hail measured to be the size of ping-pong balls in Bluff.

    NOAA record 886191 β†—
  7. Flash FloodSan Juan

    Heavy rain from thunderstorms allowed normally dry arroyos to fill rapidly which resulted in a flash flood. The Cooperative Observer at the Valley of the Gods north of Mexican Hat measured 0.58 inches of rain at the end of the event.

    NOAA record 886199 β†—
  8. HailSan Juan1β€³ hail

    A severe thunderstorm produced large hail measured to be the size of quarters at the Valley of the Gods north of Mexican Hat.

    NOAA record 886190 β†—
  9. Thunderstorm WindSan Juan58 mph gust (measured)

    A peak wind gust of 58 mph was measured by the automated weather station at the Blanding Municipal Airport.

    NOAA record 886143 β†—
  10. Thunderstorm WindSan Juan64 mph gust (estimated)

    A trained spotter reported three downed power lines across Utah State Highway 162, caused by wind gusts estimated to be around 64 mph. A semi-truck then became entangled in the downed power lines.

    NOAA record 886148 β†—

About this data

Every entry comes from the NOAA / NCEI Storm Events Database, the federal record of severe weather in the United States. We reproduce it here filtered to Utah and made searchable β€” we do not edit, add to, or interpret the records. Where NOAA lists a wind speed in knots we show it in miles per hour; everything else is verbatim.

Locations are NOAA's own county and National Weather Service forecast-zone names, which is why you will see both Salt Lake and Wasatch Mountains South of I-80. A storm not listed here was not necessarily absent β€” it means NOAA has no recorded report for it, which is common for isolated hail.

11,426 events Β· 1996–2026 Β· last updated August 26, 2026. Free to use and cite β€” a link back is appreciated but not required.

Maintained by West Peak Roofing, a roofing company in Highland, Utah. We built this because homeowners kept asking us what date their storm hit.

πŸ“žCall (801) 960-6789Utah Storm Date Index β€” every NOAA-recorded storm since 1996 Β· West Peak Roofing