433  
FNUS55 KSLC 101039  
FWFSLC  
 
FIRE WEATHER PLANNING FORECAST FOR UTAH  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
439 AM MDT MON AUG 10 2026  
   
..MONSOON PATTERN STAYS IN PLACE
 
 
   
BROADCAST DISCUSSION
 
MONSOONAL MOISTURE WILL CONTINUE TO  
INCREASE STATEWIDE THROUGH AT LEAST MIDWEEK, BRINGING IMPROVING  
RELATIVE HUMIDITIES, INCREASINGLY WET STORMS, AND AN INCREASING  
THREAT OF LIGHTNING.  
   
DISCUSSION
 
HIGH PRESSURE WILL REMAIN PARKED OVER THE FOUR  
CORNERS REGION THROUGH WEDNESDAY. THE RESULTANT SOUTHERLY FLOW  
OVER UTAH WILL CONTINUE TO DRAW DEEP MONSOON MOISTURE NORTHWARD.  
THIS WILL RESULT IN SHOWERS AND THUNDERSTORMS DEVELOPING EACH  
AFTERNOON, FOCUSED PRIMARILY OVER THE HIGHER TERRAIN, WITH THE  
STORMS BECOMING WETTER AS THE MOISTURE CONTINUES TO MOVE INTO THE  
LOWER LEVELS. THIS PATTERN WILL BRING IMPROVEMENT IN RELATIVE  
HUMIDITY VALUES AND AN INCREASING CHANCE OF WETTING RAINFALL,  
THOUGH ANY STORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING GUSTY  
AND ERRATIC THUNDERSTORM WINDS AS WELL AS LIGHTNING. THE RIDGE IS  
EXPECTED TO MOVE EAST FOR THE LATTER HALF OF THE WEEK, THOUGH A  
RELATIVELY MOIST AND UNSTABLE PATTERN IS EXPECTED TO REMAIN OVER  
THE AREA FOR AT LEAST MUCH OF THE REMAINDER OF THE WEEK.  
 
***THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS***  
***ALL WINDS ARE 20 FOOT, 10-MINUTE AVERAGES***  
 
UTZ478-110015-  
SALT LAKE DESERT-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). NORTH OF  
I-80, ISOLATED SHOWERS AND THUNDERSTORMS AFTER  
1200. SOUTH OF I-80, SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....90-97 NEAR 5000 FEET.  
77-83 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........15-25% NEAR 5000 FEET.  
20-30% NEAR 8000 FEET.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......14700 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). NORTH OF  
I-80, PATCHY SMOKE UNTIL 2400. AREAS OF SMOKE  
AFTER 2400, SOUTH OF I-80, ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....63-73 NEAR 5000 FEET.  
60-68 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........36-46% NEAR 5000 FEET.  
32-42% NEAR 8000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). NORTH OF  
I-80, PATCHY SMOKE. SOUTH OF I-80, ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....88-96 NEAR 5000 FEET.  
76-82 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........16-26% NEAR 5000 FEET.  
20-30% NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH BECOMING WEST IN THE  
AFTERNOON.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......14100 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE UPPER 60S IN THE VALLEYS AND IN THE  
LOWER 60S IN THE MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS  
AND IN THE LOWER 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND  
IN THE UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS AND IN THE MID 60S IN  
THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S IN  
THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN  
THE UPPER 60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ479-110015-  
WASATCH MOUNTAINS-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (55-65% CLOUD COVER). NORTH  
OF I-80, PATCHY SMOKE UNTIL 1200. AREAS OF  
SMOKE AFTER 1200, ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200. SOUTH OF I-80,  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................0% NORTH OF I-80 AND 10% SOUTH OF I-80.  
MAX TEMPERATURE.....90-97 NEAR 5000 FEET.  
78-88 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........18-24% NEAR 5000 FEET.  
22-32% NEAR 8000 FEET.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 25  
MPH IN THE AFTERNOON.  
12K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......12000 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). NORTH OF  
I-80, ISOLATED RAIN SHOWERS UNTIL 2400, SMOKE  
UNTIL 2400. SOUTH OF I-80, ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400, PATCHY SMOKE AFTER  
2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....57-67.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........54-64% NEAR 5000 FEET.  
48-58% NEAR 8000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH BECOMING SOUTH AFTER  
MIDNIGHT.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). NORTH OF  
I-80, PATCHY SMOKE. SOUTH OF I-80, SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0% NORTH OF I-80 AND 10% SOUTH OF I-80.  
MAX TEMPERATURE.....88-96 NEAR 5000 FEET.  
77-87 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........17-23% NEAR 5000 FEET.  
22-32% NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......12800 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE MID  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND  
IN THE UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND  
IN THE UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND  
IN THE UPPER 60S IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 40S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN  
THE UPPER 60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ480-110015-  
UINTA MOUNTAINS-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (75-85% CLOUD COVER). AREAS  
OF SMOKE AFTER 1200. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....82-88 NEAR 7000 FEET.  
73-79 NEAR 9000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........27-37%.  
24 HR TREND......6% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......10300 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL  
2400. PATCHY SMOKE.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....55-62 NEAR 7000 FEET.  
47-57 NEAR 9000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........47-57% NEAR 7000 FEET.  
55-65% NEAR 9000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). PATCHY  
SMOKE. SCATTERED SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....81-87 NEAR 7000 FEET.  
73-79 NEAR 9000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........26-36%.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......11200 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
RAIN SHOWERS AND SCATTERED THUNDERSTORMS. LOWS IN  
THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
RAIN SHOWERS WITH NUMEROUS THUNDERSTORMS. LOWS IN THE  
MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.  
HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE MID 60S IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS. LOWS  
IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE MID  
60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE MID  
60S IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 50 IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE MID  
60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ481-110015-  
WESTERN ASHLEY NATIONAL FOREST-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (75-85% CLOUD COVER).  
NUMEROUS RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................40%.  
MAX TEMPERATURE.....81-87 NEAR 7000 FEET.  
68-75 NEAR 10000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........24-30% NEAR 7000 FEET.  
29-38% NEAR 10000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......9300 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL  
2400. PATCHY SMOKE.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....57-63 NEAR 7000 FEET.  
46-56 NEAR 10000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........41-49% NEAR 7000 FEET.  
48-58% NEAR 10000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). PATCHY SMOKE  
UNTIL 1200. NUMEROUS RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................30%.  
MAX TEMPERATURE.....81-87 NEAR 7000 FEET.  
68-75 NEAR 10000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........25-29% NEAR 7000 FEET.  
28-36% NEAR 10000 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......10000 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......940.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
RAIN SHOWERS AND SCATTERED THUNDERSTORMS. LOWS IN  
THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE MID  
60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
RAIN SHOWERS WITH NUMEROUS THUNDERSTORMS. LOWS IN THE  
MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.  
HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
NUMEROUS SHOWERS AND THUNDERSTORMS. LOWS IN THE LOWER  
50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. HIGHS  
IN THE LOWER 70S IN THE VALLEYS AND AROUND 60 IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER  
60S IN THE MOUNTAINS.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE  
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER  
60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ482-110015-  
WESTERN UINTAH BASIN-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (70-80% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....87-93 NEAR 6000 FEET.  
79-85 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........23-31%.  
24 HR TREND......7% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......10900 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL  
2400. PATCHY SMOKE AFTER 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....55-65.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........45-55%.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (75-85% CLOUD COVER). PATCHY  
SMOKE UNTIL 1200. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....86-92 NEAR 6000 FEET.  
78-84 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........21-29%.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH  
IN THE AFTERNOON.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......11600 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS.  
LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S IN THE VALLEYS AND IN  
THE MID 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
NUMEROUS THUNDERSTORMS AND SCATTERED RAIN SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND  
IN THE LOWER 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND  
AROUND 70 IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS AROUND 80 IN THE VALLEYS AND IN THE  
LOWER 70S IN THE MOUNTAINS.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND  
IN THE LOWER 70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ483-110015-  
SOUTHERN ASHLEY NATIONAL FOREST-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (70-80% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....84-90 NEAR 7000 FEET.  
73-79 NEAR 9000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........24-28% NEAR 7000 FEET.  
28-38% NEAR 9000 FEET.  
24 HR TREND......8% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......10300 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL  
2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....55-65.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........42-52%.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (70-80% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................30%.  
MAX TEMPERATURE.....84-90 NEAR 7000 FEET.  
73-79 NEAR 9000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........23-27% NEAR 7000 FEET.  
26-36% NEAR 9000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......11400 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS.  
LOWS IN THE MID 60S IN THE VALLEYS AND AROUND 60 IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
NUMEROUS THUNDERSTORMS AND SCATTERED RAIN SHOWERS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S  
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S  
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND  
IN THE MID 60S IN THE MOUNTAINS.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN  
THE UPPER 60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ484-110015-  
TAVAPUTS PLATEAU-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (65-75% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....90-96 NEAR 6000 FEET.  
79-85 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........20-30%.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......10700 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL  
2400.  
CHANCE LIGHTNING....30% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....62-69 NEAR 6000 FEET.  
57-66 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........42-52%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH BECOMING WEST  
AFTER MIDNIGHT.  
12K FT MSL WINDS....WEST AROUND 15 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (70-80% CLOUD COVER). PATCHY  
SMOKE AFTER 1200. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....89-95 NEAR 6000 FEET.  
79-85 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........18-27% NEAR 6000 FEET.  
21-31% NEAR 8000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH. GUSTS UP TO 20  
MPH IN THE AFTERNOON.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......11000 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S IN THE VALLEYS AND AROUND 60 IN THE  
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE UPPER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
NUMEROUS THUNDERSTORMS AND SCATTERED RAIN SHOWERS.  
LOWS IN THE LOWER 60S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS AND AROUND 70 IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ488-110015-  
MANTI NATIONAL FOREST-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (60-70% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....82-92 NEAR 6500 FEET.  
72-81 NEAR 8500 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........20-26% NEAR 6500 FEET.  
25-35% NEAR 8500 FEET.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......10800 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). PATCHY  
SMOKE UNTIL 2400. ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....57-67 NEAR 6500 FEET.  
51-61 NEAR 8500 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........45-55% NEAR 6500 FEET.  
50-60% NEAR 8500 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....82-91 NEAR 6500 FEET.  
71-81 NEAR 8500 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........22-28% NEAR 6500 FEET.  
24-34% NEAR 8500 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......11300 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS.  
LOWS IN THE LOWER 60S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
NUMEROUS THUNDERSTORMS AND SCATTERED RAIN SHOWERS.  
LOWS IN THE MID 50S IN THE VALLEYS AND AROUND 50 IN THE  
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S  
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE  
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S  
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE  
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S  
IN THE MOUNTAINS.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE UPPER  
60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ489-110015-  
SAN RAFAEL SWELL-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (55-65% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....95-101 NEAR 5000 FEET.  
85-91 NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........13-19% NEAR 5000 FEET.  
18-24% NEAR 7000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......11900 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER). PATCHY  
SMOKE UNTIL 2400. ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....61-71.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........39-49% NEAR 5000 FEET.  
36-43% NEAR 7000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (65-75% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....95-101 NEAR 5000 FEET.  
85-91 NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........14-18% NEAR 5000 FEET.  
17-23% NEAR 7000 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......12200 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S. HIGHS IN THE MID 90S IN THE VALLEYS AND IN  
THE LOWER 80S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.   
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S IN THE VALLEYS AND  
IN THE MID 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S IN THE VALLEYS AND  
IN THE MID 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S IN THE VALLEYS AND  
IN THE UPPER 70S IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S. HIGHS IN THE LOWER 90S IN THE VALLEYS AND IN  
THE UPPER 70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ492-110015-  
CENTRAL UTAH WEST DESERT-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....93-99 NEAR 5000 FEET.  
78-84 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........15-21% NEAR 5000 FEET.  
20-30% NEAR 8000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......13400 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....30% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....61-71 NEAR 5000 FEET.  
56-66 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........48-58%.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH BECOMING SOUTH AFTER  
MIDNIGHT.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....92-98 NEAR 5000 FEET.  
76-82 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........16-22% NEAR 5000 FEET.  
21-31% NEAR 8000 FEET.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH BECOMING WEST IN THE  
AFTERNOON.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......12800 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S IN THE VALLEYS AND AROUND 60 IN THE  
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE MID  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE UPPER  
60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN  
THE UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.   
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE MID 80S IN THE VALLEYS AND IN  
THE UPPER 60S IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE  
LOWER 70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ493-110015-  
CENTRAL UTAH MOUNTAINS-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER). PATCHY SMOKE  
AFTER 1200. SCATTERED SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....91-97 NEAR 5000 FEET.  
78-84 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........19-23% NEAR 5000 FEET.  
23-31% NEAR 8000 FEET.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......12000 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400. PATCHY  
SMOKE.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....54-64.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........49-58% NEAR 5000 FEET.  
52-62% NEAR 8000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 20 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). PATCHY  
SMOKE AFTER 1200. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....90-96 NEAR 5000 FEET.  
77-83 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........24-34%.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....NORTHWEST 10-15 MPH.  
MIXING HEIGHT.......11300 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
RAIN SHOWERS AND SCATTERED THUNDERSTORMS. LOWS IN  
THE UPPER 50S. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE  
MID 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
NUMEROUS THUNDERSTORMS AND SCATTERED RAIN SHOWERS.  
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND  
IN THE LOWER 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 50. HIGHS IN THE LOWER 80S IN THE VALLEYS AND AROUND  
70 IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 50. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE  
LOWER 70S IN THE MOUNTAINS.    
SUNDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND  
IN THE LOWER 70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ494-110015-  
HENRY MOUNTAINS-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (60-70% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....94-100 NEAR 5000 FEET.  
79-89 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........13-19% NEAR 5000 FEET.  
21-28% NEAR 8000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 20 MPH BECOMING AROUND 10 MPH IN  
THE AFTERNOON.  
MIXING HEIGHT.......12200 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400. PATCHY  
SMOKE.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....66-74 NEAR 5000 FEET.  
63-69 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........34-44% NEAR 5000 FEET.  
33-40% NEAR 8000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....NORTHWEST 10-15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....94-100 NEAR 5000 FEET.  
79-89 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........13-17% NEAR 5000 FEET.  
20-27% NEAR 8000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......12200 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 60S IN THE VALLEYS AND IN THE MID 60S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS AND IN THE UPPER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S IN THE VALLEYS AND AROUND 60 IN THE  
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE MID  
70S IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS AND IN THE MID  
70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ495-110015-  
COLOR COUNTRY WEST DESERT-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (60-70% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....93-99 NEAR 5000 FEET.  
83-89 NEAR 7000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........17-23% NEAR 5000 FEET.  
20-28% NEAR 7000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......12800 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....30% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....59-69.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........51-61% NEAR 5000 FEET.  
43-53% NEAR 7000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....90-96 NEAR 5000 FEET.  
81-87 NEAR 7000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........22-30% NEAR 5000 FEET.  
26-33% NEAR 7000 FEET.  
24 HR TREND......7% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......11300 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 60S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE UPPER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE MID  
70S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE MID 70S  
IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE UPPER  
70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ496-110015-  
COLOR COUNTRY MOUNTAINS-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....87-95 NEAR 6000 FEET.  
78-85 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........18-26% NEAR 6000 FEET.  
22-32% NEAR 8000 FEET.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......11900 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....58-68 NEAR 6000 FEET.  
54-64 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........58-68% NEAR 6000 FEET.  
51-61% NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................30%.  
MAX TEMPERATURE.....85-93 NEAR 6000 FEET.  
75-84 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........23-33% NEAR 6000 FEET.  
28-38% NEAR 8000 FEET.  
24 HR TREND......6% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH IN  
THE AFTERNOON.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......10800 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS.  
LOWS IN THE LOWER 60S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE MID 70S  
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
NUMEROUS THUNDERSTORMS AND SCATTERED RAIN SHOWERS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS AND AROUND 70 IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND AROUND 50 IN THE  
MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS AND AROUND 70 IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S IN THE VALLEYS AND AROUND 50 IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE MID 70S  
IN THE MOUNTAINS.  
=  
 

 
 
UTZ497-110015-  
MOJAVE DESERT-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (30-40% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....101-107 NEAR 3000 FEET.  
87-93 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........14-18% NEAR 3000 FEET.  
19-23% NEAR 6000 FEET.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH BECOMING SOUTHWEST  
WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......11700 FT AGL (60-70TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....77-87 NEAR 3000 FEET.  
67-77 NEAR 6000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........33-43% NEAR 3000 FEET.  
43-53% NEAR 6000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
25 MPH BECOMING EAST AFTER MIDNIGHT.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....96-102 NEAR 3000 FEET.  
82-89 NEAR 6000 FEET.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........22-26% NEAR 3000 FEET.  
28-34% NEAR 6000 FEET.  
24 HR TREND......9% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHWEST AROUND 10  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......9200 FT AGL (40-50TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 70S IN THE VALLEYS AND IN THE UPPER 60S IN THE  
MOUNTAINS. HIGHS IN THE MID 90S IN THE VALLEYS AND IN THE LOWER  
80S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS AND IN THE UPPER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS AND IN THE UPPER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS AND AROUND 80 IN  
THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 70S IN THE VALLEYS AND  
IN THE MID 60S IN THE MOUNTAINS. HIGHS IN THE MID 90S IN THE  
VALLEYS AND IN THE LOWER 80S IN THE MOUNTAINS.  
=  
 

 
 
UTZ498-110015-  
GRAND STAIRCASE-  
439 AM MDT MON AUG 10 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (50-60% CLOUD COVER).  
SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....96-106 NEAR 4000 FEET.  
91-97 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........10-18% NEAR 4000 FEET.  
16-22% NEAR 6000 FEET.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
25 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......13000 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....70-77 NEAR 4000 FEET.  
61-71 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........32-42% NEAR 4000 FEET.  
43-53% NEAR 6000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....95-105 NEAR 4000 FEET.  
87-94 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........10-20% NEAR 4000 FEET.  
19-29% NEAR 6000 FEET.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......12300 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 90S IN THE VALLEYS AND IN THE MID  
80S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 70 IN THE VALLEYS AND AROUND 60 IN THE MOUNTAINS.  
HIGHS IN THE LOWER 90S IN THE VALLEYS AND IN THE LOWER 80S IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE UPPER 60S IN THE VALLEYS AND IN THE  
UPPER 50S IN THE MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS  
AND IN THE LOWER 80S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 90S IN THE VALLEYS AND IN THE LOWER  
80S IN THE MOUNTAINS.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S IN THE VALLEYS AND  
IN THE UPPER 50S IN THE MOUNTAINS. HIGHS IN THE MID 90S IN THE  
VALLEYS AND IN THE MID 80S IN THE MOUNTAINS.  
=  
 

 
 
.8-14 DAY OUTLOOK FOR MONDAY AUGUST 17 TO SUNDAY AUGUST 23  
TEMPERATURE... ABOVE NORMAL  
PRECIPITATION... ABOVE NORMAL  
=  
 

 
 
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