Extreme Heat Warning for Lower Washington County; Zion National Park; South Central Utah +3 more
Official alert fields
What you need to know
- Applies to
- Capitol Reef National Park and Vicinity, Castle Country, Glen Canyon Recreation Area/Lake Powell, Great Salt Lake Desert and Mountains, Lower Washington County, Northern Wasatch Front, Salt Lake Valley, San Rafael Swell and 5 more
- Effective
- Ends or expires
- Official severity
- Severe
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
What: Dangerously hot conditions with temperatures up to 105 expected for most valley locations. Temperatures may approach or exceed 110 degrees for Lower Washington County, Glen Canyon, and Zion Canyon. Overnight lows in the upper 70s to low 80s will offer little relief. Impacts: Heat related illnesses increase...
What the bulletin says to do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.
Full official description
Bulletin details
* WHAT...Dangerously hot conditions with temperatures up to 105 expected for most valley locations. Temperatures may approach or exceed 110 degrees for Lower Washington County, Glen Canyon, and Zion Canyon. Overnight lows in the upper 70s to low 80s will offer little relief. * WHERE...Capitol Reef National Park and Vicinity, Glen Canyon Recreation Area/Lake Powell, South Central Utah, Western Canyonlands, Lower Washington County, and Zion National Park. Warm overnight lows in the upper 70s to low 80s will offer little relief. * WHEN...From noon Thursday to 9 PM MDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Extreme Heat Warning issued August 5 at 9:46AM MDT until August 10 at 12:00AM MDT by NWS Salt Lake City UT
Official revision - Alert
Extreme Heat Warning issued August 5 at 9:46AM MDT until August 8 at 9:00PM MDT by NWS Salt Lake City UT
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Salt Lake City UT. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected