018
FXUS65 KSLC 161912
AFDSLC
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
112 PM MDT TUE JUN 16 2026
KEY MESSAGES
- HIGH PRESSURE WILL BRING HOT AND VERY DRY CONDITIONS THROUGH
THE FIRST HALF OF THE WEEK, WITH THE HOTTEST TEMPERATURES OF THE
SEASON ACROSS AREAS LIKE ST. GEORGE AND GLEN CANYON NATIONAL
RECREATION AREA.
- GUSTY NORTHWEST WINDS COMBINED WITH A HOT AND VERY DRY AIRMASS
WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS THROUGH
WEDNESDAY ACROSS PORTIONS OF EASTERN, CENTRAL AND SOUTHERN UTAH
WHERE FUELS ARE CRITICALLY DRY.
- ANOTHER ROUND OF GUSTY WINDS UP TO 35-45 MPH COMBINED WITH VERY
DRY HUMIDITIES WILL BRING THE THREAT OF CRITICAL FIRE WEATHER
CONDITIONS TO WESTERN UTAH FRIDAY.
DISCUSSION
GUSTY WEST TO NORTHWEST WINDS REMAIN ACROSS THE
REGION THIS AFTERNOON. NORTHWESTERLY FLOW ASSOCIATED WITH AN
ACTIVE NORTHERN STREAM REMAINS IN PLACE. HIGH PRESSURE WILL
GRADUALLY SHIFT INTO THE GREAT BASIN THURSDAY. THESE GUSTY
NORTHWEST WINDS AND DRY CONDITIONS WILL BRING CRITICAL FIRE
WEATHER CONDITIONS TO MUCH OF CENTRAL, EASTERN AND SOUTHERN UTAH
THROUGH WEDNESDAY. SEE THE FIRE WEATHER DISCUSSION FOR MORE
DETAILS.
AS A SHORTWAVE TROUGH SHIFTS EASTWARD INTO THE GREAT BASIN FRIDAY,
EXPECT GUSTY SOUTHWESTERLY WINDS TO DEVELOP ACROSS MUCH OF THE
REGION. CURRENTLY, THE THREAT OF WIND ADVISORY WINDS (GUSTS 45
MPH+) IS AROUND 30% OR SO ACROSS WEST CENTRAL AND SOUTHWEST UTAH
FRIDAY AFTERNOON INTO FRIDAY EVENING. A MAINLY DRY COLD FRONT WILL
CROSS INTO UTAH FRIDAY EVENING...WHICH MAY PROLONG THE PERIOD OF
GUSTY WINDS INTO THE FIRST PART OF FRIDAY NIGHT.
ISOLATED HIGH-BASED CONVECTION WILL BE POSSIBLE AS EARLY AS
THURSDAY ACROSS THE SOUTHERN MOUNTAINS...AND THEN ACROSS NORTHERN
UTAH IN ASSOCIATION WITH THE SHORTWAVE TROUGH FRIDAY INTO
SATURDAY. BY SATURDAY, SUFFICIENT INSTABILITY AND DEEP LAYER SHEAR
MAY EXIST ACROSS NORTHERN UTAH TO BRING A THREAT OF ORGANIZED
CONVECTION. SOMETHING TO MONITOR MOVING FORWARD.
AVIATION...KSLC
VFR CONDITIONS WILL PERSIST AT THE KSLC TERMINAL
BENEATH CLEAR SKIES WITH DIURNAL WIND SHIFTS EXPECTED. GUSTY WINDS
WILL DEVELOP IN THE AFTERNOON HOURS RESULTING IN GUSTS UP TO 20KTS.
REST OF UTAH AND SOUTHWEST WYOMING
VFR CONDITIONS WILL PERSIST AT
ALL TERMINALS BENEATH CLEAR SKIES WITH DIURNAL WIND SHIFTS EXPECTED.
GUSTY WINDS ARE EXPECTED TO DEVELOP ACROSS ALL SITES TOMORROW
AFTERNOON WITH MOST SEEING GUSTS UP TO 20KTS, THOUGH KEVW MAY SEE
GUSTS TO 30KTS.
FIRE WEATHER
A LONG DURATION OF GUSTY WINDS AND LOW HUMIDITIES
WILL IMPACT MUCH OF THE REGION THROUGH AT LEAST FRIDAY. AS THE
NORTHERN STREAM REMAINS ACTIVE ACROSS THE NORTHERN INTERMOUNTAIN
REGION, GUSTY WEST TO NORTHWEST FLOW WILL CONTINUE ACROSS UTAH.
THIS WILL COMBINE WITH LOW HUMIDITIES AND POOR OVERNIGHT
RECOVERIES TO BRING CRITICAL FIRE WEATHER CONDITIONS TO EASTERN
AND SOUTHERN UTAH THROUGH WEDNESDAY. BY THURSDAY, HIGH PRESSURE
WILL BRIEFLY SHIFT EASTWARD...AND WIND GUSTS WILL DECREASE. SOME
LOCATIONS MAY SEE ELEVATED TO LOCALLY CRITICAL FIRE WEATHER
CONDITIONS THURSDAY AFTERNOON AND EVENING, PARTICULARLY ACROSS THE
CENTRAL MOUNTAINS AND ADJACENT VALLEYS.
BY FRIDAY, A SHORTWAVE TROUGH WILL CROSS THE GREAT BASIN,
INCREASING WINDS AHEAD OF A MAINLY DRY COLD FRONT THROUGH LATE
EVENING FRIDAY NIGHT. WIND GUSTS IN EXCESS OF 35 TO 45 MPH WILL
OCCUR ACROSS WESTERN UTAH AS EARLY FRIDAY AFTERNOON. THESE WILL
COMBINE WITH HUMIDITIES NEAR 5 TO 10 PERCENT TO BRING CRITICAL
FIRE WEATHER CONDITIONS TO WESTERN UTAH FRIDAY AFTERNOON INTO LATE
FRIDAY EVENING. ADDITIONAL AREAS ACROSS SOUTHERN UTAH MAY ALSO
SEE CRITICAL FIRE WEATHER CONDITIONS...THOUGH CONFIDENCE IS LOWER
AT THIS TIME.
ISOLATED DRY THUNDERSTORMS WILL BE POSSIBLE AS EARLY AS THURSDAY
AFTERNOON ACROSS THE SOUTHERN MOUNTAINS...AND FRIDAY AFTERNOON
ACROSS NORTHWESTERN UTAH. THIS TREND MAY EXPAND WITH TIME OVER THE
WEEKEND.
SLC WATCHES/WARNINGS/ADVISORIES
UT...FIRE WEATHER WATCH FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY
NIGHT FOR UTZ478-492-495.
RED FLAG WARNING UNTIL 9 PM MDT WEDNESDAY FOR UTZ482-484-488-489-
493-494-496-498.
FIRE WEATHER WATCH FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING
FOR UTZ497.
WY...NONE.
KRUSE/WARTHEN
FOR MORE INFORMATION FROM NOAA'S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY
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