007
FNUS75 KSLC 251907
FWSSLC
SPOT FORECAST FOR COTTONWOOD07252026...USFS
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
107 PM MDT SAT JUL 25 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 MDT ON JULY 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THE FIRE WILL SEE A GRADUAL DRYING TREND THROUGH
MONDAY WITH MINIMUM RELATIVE HUMIDITY VALUES FALLING INTO THE 20S
AS CONDITIONS STAY UNSEASONABLY HOT. WINDS WILL BE GENERALLY LIGHT
AND TERRAIN DRIVEN AWAY FROM THUNDERSTORMS. THERE DOES REMAIN A 5
TO 10 PERCENT CHANCE EACH AFTERNOON AND EARLY EVENING OF A STORM
BRINGING LIGHTNING AND/OR GUSTY AND ERRATIC WINDS TO THE SITE.
MOISTURE WILL START TO INCREASE AGAIN OVER THE SITE ON TUESDAY,
WITH THE DEEPER MOISTURE REMAINING IN PLACE THROUGH MUCH OF THE
REMAINDER OF THE WEEK, INCREASING THE POTENTIAL FOR THUNDERSTORMS
ACTIVITY.
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT CLOUD COVER).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF LIGHTNING.10 PERCENT.
MAX TEMPERATURE.....82-86.
MIN HUMIDITY........28-32 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS 3-7 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS IN THE
AFTERNOON.
MIXING HEIGHT.......10100 FT AGL (80-90TH PERCENTILE).
TRANSPORT WINDS.....SOUTHWEST WINDS 8-12 MPH.
SUNDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (25-35 PERCENT CLOUD COVER).
CWR.................0 PERCENT.
CHANCE OF PCPN......10 PERCENT.
CHANCE OF LIGHTNING.5 PERCENT.
MIN TEMPERATURE.....58-62.
MAX HUMIDITY........48-52 PERCENT.
WIND (20 FT)........DOWNSLOPE/DOWNVALLEY WINDS 3-7 MPH.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....WEST WINDS 8-12 MPH.
MONDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT CLOUD COVER) THEN
BECOMING PARTLY CLOUDY (35-45 PERCENT CLOUD
COVER). ISOLATED SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON.
CWR.................0 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF LIGHTNING.15 PERCENT.
MAX TEMPERATURE.....81-85.
MIN HUMIDITY........26-30 PERCENT.
WIND (20 FT)........UPSLOPE/UPVALLEY WINDS 3-7 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS IN THE
AFTERNOON.
MIXING HEIGHT.......10200 FT AGL (80-90TH PERCENTILE).
TRANSPORT WINDS.....SOUTHWEST WINDS 8-12 MPH.
FORECASTER...TRAPHAGAN
REQUESTED BY...BRIAN MONROE
TYPE OF REQUEST...WILDFIRE
.TAG 2618199.0/SLC
.DELDT 07/25/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.MONROE@USDA.GOV,BRIAN_WATTS@FIRENET.GOV
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