NWS Grand Junction COSV.W 0021September 12, 2026
Severe Thunderstorm Warning: Grand and Uintah, UT
The National Weather Service office in Grand Junction issued a severe thunderstorm warning for Grand and Uintah in Utah, which was in force until 8:30 p.m. local time on September 12. It was the 21st severe thunderstorm warning the NWS office in Grand Junction issued in 2026. Utah had 35 severe thunderstorm warnings in September 2026, against 13 in an average September of 2008-2025 (Utah's severe thunderstorm warnings by year).
ExpiredWarning
In force for 30 minutes; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Grand Junction CO
- Area
- Grand and Uintah
- State
- Utah
- Level
- Warning
- Issued
- 8:00 p.m. MDT, September 12, 2026
- Expires
- 8:30 p.m. MDT, September 12, 2026
- CAP severity, certainty, urgency
- Severe, Observed, Immediate
- VTEC event
- KGJT SV.W 0021
- Official source
- National Weather Service: the notice at its source
Severe Thunderstorm Warnings in Utah since 2008Every warning type in Utah
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SVRGJT The National Weather Service in Grand Junction has issued a * Severe Thunderstorm Warning for... Southwestern Uintah County in northeastern Utah... Northwestern Grand County in east central Utah... * Until 830 PM MDT. * At 758 PM MDT, a severe thunderstorm was located 19 miles east of Sunnyside, or 32 miles north of Green River, moving southeast at 20 mph. HAZARD...Golf ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Slough Canyon Fire.
What the agency told people to do
For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.
The record around this notice
- Severe Thunderstorm Warnings in Utah since 200881 a year
- Every warning type in Utah
- Severe Thunderstorm Warning: what it means, and the states that get the most20,005 a year
- NWS notices, September 20262,824 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels