427
FNUS75 KSLC 142116
FWSSLC
SPOT FORECAST FOR WIDEMOUTH2...FOREST SERVICE
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
316 PM MDT MON SEP 14 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON SEPTEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
MILD SOUTHWESTERLY FLOW WILL RETURN TO THE AREA TUESDAY
RESULTING IN GUSTY WINDS SURFACING BY LATE MORNING, WHILE AFTERNOON
TEMPERATURES AND RH EXHIBIT LITTLE CHANGE FROM MONDAY. MOISTURE
WITHIN THIS FLOW WILL LARGELY REMAIN EAST OF THE AREA TUESDAY, BUT
CLOSE ENOUGH TO BRING A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
GUSTY OUTFLOW WINDS TO 40 MPH AND OCCASIONAL LIGHTNING CAN BE EXPECTED
WITH ANY STORMS WHICH PASS NEAR THE FIRE.
FOR WEDNESDAY, SOUTHWESTERLY FLOW WILL MAINTAIN MILD AND BREEZY
CONDITIONS, WITH GUSTY WINDS SURFACING BY LATE MORNING. INCREASING
MOISTURE WILL KEEP RH ELEVATED THROUGH THE DAY, AND BRING A CHANCE FOR
MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS. GUSTY OUTFLOW
WINDS TO 40 MPH WILL BE POSSIBLE WITH THESE STORMS.
FOR THURSDAY, MILD SOUTHWESTERLY FLOW WILL REMAIN OVER THE AREA WITH
BREEZY CONDITIONS ONCE AGAIN DEVELOPING DURING THE AFTERNOON. MOISTURE
WILL DECREASE A BIT, ALLOWING FOR A DOWNWARD TREND IN RH. HOWEVER THIS
MOISTURE WILL REMAIN SUFFICIENT TO MAINTAIN A CHANCE OF AFTERNOON AND
EVENING SHOWERS AND THUNDERSTORMS OVER THE FIRE.
TUESDAY
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1000, THEN BECOMING PARTLY
CLOUDY WITH A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
CWR.................5 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........32-38 PERCENT.
WIND (20 FT)........SOUTH 4-9 MPH WITH GUSTS 14-18 MPH UNTIL 1000,
THEN BECOMING SOUTHWEST 8-14 MPH WITH GUSTS
20-25 MPH. GUSTY OUTFLOW WINDS TO 40 MPH NEAR
THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......7500 FT AGL (50-60TH PERCENTILE).
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.
TUESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY AFTER MIDNIGHT.
CWR.................5 PERCENT.
CHANCE OF PCPN......25 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MIN TEMPERATURE.....55-60.
MAX HUMIDITY........60-75 PERCENT.
WIND (20 FT)........SOUTHWEST 6-10 MPH WITH GUSTS AROUND 20 MPH
BECOMING SOUTH 3-8 AFTER 2100. GUSTY OUTFLOW
WINDS TO 40 MPH NEAR THUNDERSTORMS.
MIXING HEIGHT.......FALLING TO AROUND 500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.
WEDNESDAY
SKY/WEATHER.........PARTLY CLOUDY. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY DURING THE AFTERNOON.
CWR.................20 PERCENT.
CHANCE OF PCPN......40 PERCENT.
CHANCE OF LIGHTNING.25 PERCENT.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........38-45 PERCENT.
WIND (20 FT)........SOUTH 3-8 MPH UNTIL 1100, THEN SOUTHWEST
6-10 MPH WITH GUSTS 20-25 MPH GUSTY OUTFLOW
WINDS TO 40 MPH NEAR THUNDERSTORMS.
MIXING HEIGHT.......9200 FT AGL (70-80TH PERCENTILE).
TRANSPORT WINDS.....SOUTH 15 MPH.
WEDNESDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY WITH A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS UNTIL 2200, THEN BECOMING
MOSTLY CLEAR.
CWR.................5 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF LIGHTNING.10 PERCENT.
MIN TEMPERATURE.....52-57.
MAX HUMIDITY........60-75 PERCENT.
WIND (20 FT)........SOUTHWEST 6-10 MPH WITH GUSTS AROUND 20 MPH
BECOMING SOUTH 3-8 MPH AFTER 2100. GUSTY
OUTFLOW WINDS NEAR THUNDERSTORMS.
MIXING HEIGHT.......FALLING TO AROUND 500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15 MPH.
THURSDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT CLOUD COVER). A
CHANCE OF SHOWERS AND THUNDERSTORMS, MAINLY
DURING THE AFTERNOON.
CWR.................15 PERCENT.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF LIGHTNING.20 PERCENT.
MAX TEMPERATURE.....80-85.
MIN HUMIDITY........38-45 PERCENT.
WIND (20 FT)........SOUTH 4-8 MPH UNTIL 1000, THEN SOUTHWEST 6-10
MPH WITH GUSTS 20-25 MPH. GUSTY OUTFLOW WINDS
TO 40 MPH NEAR THUNDERSTORMS.
MIXING HEIGHT.......9200 FT AGL (70-80TH PERCENTILE).
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.
FORECASTER...SEAMAN
REQUESTED BY...SIERRA SAMPSON
TYPE OF REQUEST...WILDFIRE
.TAG 2621858.0/SLC
.DELDT 09/14/26
.FORMATTERVERSION 2.0.0
.EMAIL SIERRA.SAMPSON@USDA.GOV
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