Winter Weather Advisories in Utah
872 winter weather advisories since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of winter weather advisories reaches back to 2005.
Winter Weather Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Winter Weather Advisories
- 872
- Busiest year
- 201071 winter weather advisories
- Average year
- 44over 20 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Uintah County237
- Grand County232
- San Juan County196
- Daggett County177
- Summit County120
- Wasatch County118
- Weber County115
- Juab County113
- Salt Lake County112
- Utah County112
- Box Elder County107
- Duchesne County104
- Morgan County104
- Cache County102
- Davis County101
- Rich County100
- Emery County92
- Sanpete County90
- Sevier County81
- Millard County80
- Carbon County77
- Washington County69
- Garfield County68
- Kane County68
- Iron County64
- Beaver County63
- Piute County63
- Wayne County57
- Tooele County40
The latest winter weather advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:44 PM MDT | Winter Weather Advisory | GJT | Daggett, Uintah | 45 hr |
| May 16, 11:10 AM MDT | Winter Weather Advisory | SLC | Duchesne, Summit, Wasatch | 55 hr |
| Apr 12, 9:47 PM MDT | Winter Weather Advisory | SLC | Beaver, Emery, Garfield, Iron, Juab, Kane and 6 more | 41 hr |
| Apr 1, 12:36 PM MDT | Winter Weather Advisory | SLC | Box Elder, Cache, Davis, Duchesne, Juab, Morgan and 6 more | 37 hr |
| Mar 31, 1:40 PM MDT | Winter Weather Advisory | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 12 more | 22 hr |
| Mar 4, 12:37 PM MST | Winter Weather Advisory | GJT | Daggett, Uintah | 59 hr |
| Mar 3, 3:42 PM MST | Winter Weather Advisory | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 18 more | 3 days |
| Feb 23, 2:32 PM MST | Winter Weather Advisory | SLC | Box Elder, Cache, Davis, Duchesne, Juab, Morgan and 6 more | 50 hr |
| Feb 19, 11:24 AM MST | Winter Weather Advisory | GJT | Grand, San Juan, Uintah | 33 hr |
| Feb 19, 2:22 AM MST | Winter Weather Advisory | SLC | Beaver, Carbon, Duchesne, Emery, Garfield, Iron and 10 more | 32 hr |
| Feb 17, 2:44 AM MST | Winter Weather Advisory | SLC | Box Elder, Davis, Garfield, Iron, Juab, Kane and 8 more | 41 hr |
| Feb 16, 4:04 AM MST | Winter Weather Advisory | SLC | Carbon, Duchesne, Emery, Juab, Millard, Sanpete and 3 more | 23 hr |
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.