weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

2 products issued by NWS for: 3 Miles WSW Snowbird UT
Share |


Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Salt Lake City UT
450 AM MDT Fri Jun 18 2021

UTZ101>131-WYZ021-191100-
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Eastern Box Elder County-Northern Wasatch Front-Salt Lake Valley-
Utah Valley-Cache Valley/Utah Portion-Wasatch Back-
Bear Lake and Bear River Valley-Wasatch Mountains I-80 North-
Wasatch Mountains South of I-80-Western Uinta Mountains-
Wasatch Plateau/Book Cliffs-Western Uinta Basin-
Western Millard and Juab Counties-Eastern Juab/Millard Counties-
Central Mountains-Sanpete Valley-Sevier Valley-Castle Country-
San Rafael Swell-Southwest Utah-Lower Washington County-
Zion National Park-Southern Mountains-Upper Sevier River Valleys-
Bryce Canyon Country-South Central Utah-
Capitol Reef National Park and Vicinity-Western Canyonlands-
Glen Canyon Recreation Area/Lake Powell-Southwest Wyoming-
450 AM MDT Fri Jun 18 2021

This Hazardous Weather Outlook is for portions of central Utah...
northern Utah...southern Utah...southwest Utah and southwest
Wyoming.

.DAY ONE...Today and Tonight

Very hot conditions will continue through tonight across much of
the region.

Critical fire weather conditions will continue across much of Utah
this afternoon and evening due to the combination of widely
scattered thunderstorms, gusty winds and low relative humidity.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Very hot conditions will continue across southern Utah through
Saturday across northern Utah, and through Sunday across southern
Utah.

High-based thunderstorms will bring the threat of lightning,
gusty and erratic winds and increased fire weather danger to much
of the state Saturday. Gusty winds and low humidity over the
weekend and through at least Tuesday will further enhance the
fire weather threat.


.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information
about observed severe weather to the NWS while following all
local, state, and CDC guidelines.

$$

For more information from NOAA/s National Weather Service visit...
http://weather.gov/saltlakecity

For information on potential road travel impacts visit...
http://www.udottraffic.utah.gov/roadweatherforecast.aspx



Red Flag Warning

URGENT - FIRE WEATHER MESSAGE
National Weather Service Salt Lake City UT
310 AM MDT Fri Jun 18 2021

UTZ479>481-488-182200-
/O.CON.KSLC.FW.W.0015.000000T0000Z-210621T0300Z/
Wasatch Mountains-Uinta Mountains-Western Ashley National Forest-
Manti National Forest-
310 AM MDT Fri Jun 18 2021

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT SUNDAY FOR
STRONG WINDS, LOW HUMIDITY, AND SCATTERED DRY THUNDERSTORMS FOR
FIRE WEATHER ZONES 479, 480, 481, AND 488...

* AFFECTED AREA...Fire Weather Zone 479 Wasatch Mountains, Fire
  Weather Zone 480 Uinta Mountains, Fire Weather Zone 481
  Western Ashley National Forest and Fire Weather Zone 488 Manti
  National Forest.

* WINDS...West 10 to 20 mph with gusts up to 35 mph Saturday and
  Sunday. Winds are expected to be lighter Friday.

* RELATIVE HUMIDITY...As low as 10 percent.

* THUNDERSTORMS...Isolated to scattered dry thunderstorms are
  expected to develop Friday afternoon and evening and redevelop
  Saturday afternoon and evening.

* OUTFLOW WINDS...Gusty and erratic winds are possible near any
  near any showers or thunderstorms.

* IMPACTS...Critical fire weather conditions are expected. Any
  new fire starts could spread rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are imminent. A combination of
lightning, dry fuel conditions and gusty microburst winds as well
as low humidity will create favorable conditions for new fire
starts and extreme fire behavior.
&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE