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Severe Thunderstorm Watch


WATCH COUNTY NOTIFICATION FOR WATCH 619
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
814 PM MDT SUN AUG 23 2026

UTC003-005-011-029-033-035-043-057-WYC041-240400-
/O.CON.KSLC.SV.A.0619.000000T0000Z-260824T0400Z/

SEVERE THUNDERSTORM WATCH 619 REMAINS VALID UNTIL 10 PM MDT THIS
EVENING FOR THE FOLLOWING AREAS

IN UTAH THIS WATCH INCLUDES 8 COUNTIES

IN NORTHERN UTAH

BOX ELDER             CACHE                 DAVIS
MORGAN                RICH                  SALT LAKE
SUMMIT                WEBER

IN WYOMING THIS WATCH INCLUDES 1 COUNTY

IN SOUTHWEST WYOMING

UINTA

THIS INCLUDES THE FOLLOWING LOCATIONS BOUNTIFUL, BRIGHAM CITY, COALVILLE,
EVANSTON, FARMINGTON, HUNTSVILLE, LAKETOWN, LAYTON, LOGAN,
MIDVALE, MORGAN, OGDEN, PARK CITY, RANDOLPH, ROY, SALT LAKE CITY,
SANDY, SUGARHOUSE, TREMONTON, AND WOODRUFF.

$$

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY


Fire Weather Watch


URGENT - FIRE WEATHER MESSAGE
National Weather Service Boise ID
1258 PM MDT Sun Aug 23 2026

IDZ423-426-241300-
/O.NEW.KBOI.FW.A.0010.260824T1800Z-260825T0200Z/
Owyhee Mountains-Southern Highlands-
1258 PM MDT Sun Aug 23 2026

...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH
MONDAY EVENING FOR LIGHTNING FOR OWYHEE MOUNTAINS AND SOUTHERN
HIGHLANDS...WHICH ARE FIRE WEATHER ZONES 423 AND 426...

The National Weather Service in Boise has issued a Fire Weather
Watch for lightning, which is in effect from Monday afternoon
through Monday evening.

* AFFECTED AREA...In Idaho, Fire Weather Zones 423 Owyhee
  Mountains and 426 Southern Highlands.

* TIMING...From noon MDT Monday through 8 PM MDT Monday evening.

* THUNDERSTORMS...Scattered coverage with abundant lightning.

* OUTFLOW WINDS...Gusty erratic winds up to 50 mph.

* IMPACTS...Any fire that develops will catch and spread
  quickly. Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that critical fire weather conditions
are possible. Listen for later forecasts and possible Red Flag
Warnings.

&&

$$
L


Special Weather Statement


Special Weather Statement
National Weather Service Salt Lake City UT
946 PM MDT Sun Aug 23 2026

UTZ103-104-107>110-WYZ021-240430-
Wasatch Back UT-Eastern Box Elder County UT-
Bear Lake and Bear River Valley UT-Northern Wasatch Front UT-
Wasatch Mountains I-80 North UT-Cache Valley/Utah Portion UT-
Southwest Wyoming WY-
946 PM MDT Sun Aug 23 2026

...Strong thunderstorms will impact portions of Weber, southeastern
Cache, east central Box Elder, southern Rich, north central Davis,
northern Morgan and northwestern Uinta Counties through 1030 PM MDT
...

At 946 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Marriott-Slaterville to 20 miles west of
Evanston. Movement was northeast at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Ogden, Layton, Hill Air Force Base, Roy, Clearfield, Syracuse,
Clinton, North Ogden, South Ogden, Washington Terrace, Riverdale,
Hooper, South Weber, Willard, Marriott-Slaterville, Uintah, Mantua,
Woodruff, Weber State University, and South Willard.

This includes the following highways...
 Interstate 15 between mile markers 335 and 356.
 Interstate 84 between mile markers 82 and 97.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
northern Utah...and southwestern Wyoming.

&&

LAT...LON 4153 11191 4153 11068 4110 11149 4111 11236
TIME...MOT...LOC 0346Z 225DEG 25KT 4126 11212 4123 11135

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

$$

JCW

Special Weather Statement
National Weather Service Riverton WY
935 PM MDT Sun Aug 23 2026

WYZ024-027-240400-
South Lincoln County-Salt River and Wyoming Ranges-
935 PM MDT Sun Aug 23 2026

...A STRONG THUNDERSTORM WILL IMPACT SOUTHWESTERN LINCOLN COUNTY
THROUGH 1000 PM MDT...

At 934 PM MDT, Doppler radar was tracking a strong thunderstorm 7
miles north of Sage Junction, which is 10 miles south of Cokeville,
moving east at 35 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

This storm will remain over mainly rural areas of southwestern
Lincoln County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4201 11105 4216 11056 4187 11045 4178 11104
      4181 11105
TIME...MOT...LOC 0334Z 257DEG 33KT 4193 11098

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

$$

TL

Special Weather Statement
National Weather Service Salt Lake City UT
925 PM MDT Sun Aug 23 2026

UTZ108-110-112-WYZ021-240415-
Wasatch Back UT-Western Uinta Mountains UT-Wasatch Mountains I-
80 North UT-Southwest Wyoming WY-
925 PM MDT Sun Aug 23 2026

...Strong thunderstorms will impact portions of southeastern Rich,
east central Morgan, northwestern Summit and western Uinta Counties
through 1015 PM MDT
...

At 925 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from 19 miles west of Evanston to near Coalville.
Movement was northeast at 35 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Evanston, Coalville, Wahsatch, Emory, Castle Rock, Almy, and
Altamont.

This includes the following highways...
 Interstate 80 in Wyoming between mile markers 1 and 19.
 Interstate 80 in Utah between mile markers 172 and 196.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
northern Utah...and southwestern Wyoming.

&&

LAT...LON 4154 11066 4108 11073 4089 11139 4122 11135
TIME...MOT...LOC 0325Z 242DEG 30KT 4116 11132 4098 11135

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...55 MPH

$$

JCW

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NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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