299
WWUS75 KSLC 201816
NPWSLC

URGENT - WEATHER MESSAGE
National Weather Service Salt Lake City UT
1216 PM MDT Mon Jul 20 2026

UTZ101>105-210600-
/O.CON.KSLC.HT.Y.0003.000000T0000Z-260721T0600Z/
Great Salt Lake Desert and Mountains-Tooele and Rush Valleys-
Eastern Box Elder County-Northern Wasatch Front-Salt Lake Valley-
Including the following locations - West Jordan, Bountiful, Salt
Lake City, Dugway, Tooele, Vernon, Brigham City, Ogden, Wendover,
Grantsville, Snowville, Park Valley, and Sandy
1216 PM MDT Mon Jul 20 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

* WHAT...Hazardous temperatures in excess of 100 degrees are
  forecast to develop this afternoon across valley locations in
  northwest Utah, particularly along the northern Wasatch Front and
  the Great Salt Lake Desert.

* WHERE...Eastern Box Elder County, Great Salt Lake Desert and
  Mountains, Northern Wasatch Front, Salt Lake Valley, and Tooele
  and Rush Valleys.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Hot temperatures may cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/saltlakecity.

For information on potential travel impacts visit
http://udottraffic.utah.gov

JCW