294  
FNUS55 KSLC 231825  
FWFSLC  
 
FIRE WEATHER PLANNING FORECAST FOR UTAH  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
1225 PM MDT SUN AUG 23 2026  
   
..THUNDERSTORM THREAT CONTINUES THROUGH MIDWEEK  
 
   
BROADCAST DISCUSSION  
HIGH PRESSURE WILL REMAIN ACROSS  
THE 4 CORNERS REGION THROUGH THE NEXT WEEK. SHOWERS AND  
THUNDERSTORMS WILL CONTINUE EACH AFTERNOON AND EVENING, ESPECIALLY  
ACROSS THE HIGHER TERRAIN AND ADJACENT VALLEYS THROUGH WEDNESDAY.  
HUMIDITIES WILL GRADUALLY FALL FOR MOST LOCATIONS, REACHING  
CRITICAL LEVELS FOR MOST VALLEYS BY MIDWEEK.  
   
DISCUSSION  
HIGH PRESSURE WILL REMAIN ACROSS THE FOUR-CORNERS  
REGION THROUGH THE NEXT WEEK. AS AN UPPER LEVEL LOW CROSSES  
SOUTHERN CANADA INTO THE NORTHERN INTERMOUNTAIN REGION THROUGH  
MONDAY, SUFFICIENT FORCING FOR THUNDERSTORMS WILL CONTINUE. AS A  
RESULT, STRONG TO SEVERE THUNDERSTORMS WILL IMPACT MUCH OF  
NORTHERN UTAH THIS AFTERNOON AND EVENING. THE MOST SIGNIFICANT  
THREAT WILL BE STRONG OUTFLOW WINDS IN EXCESS OF 60 MPH, MAINLY  
NORTH OF I-70. FOR LOCATIONS SOUTH OF I-70, STRONG OUTFLOW WINDS  
UP TO 50 MPH AND VERY HEAVY RAIN WILL BE THE PRIMARY IMPACTS FROM  
THUNDERSTORMS.  
 
ADDITIONAL STRONG THUNDERSTORMS WILL DEVELOP MONDAY AFTERNOON AND  
EVENING, BUT THE THREAT OF OUTFLOWS IN EXCESS OF 50 MPH WILL  
REMAIN CLOSER TO THE UTAH/IDAHO BORDER. AS HIGH PRESSURE BUILDS  
NORTH AND EAST IN THE WAKE OF THE UPPER LEVEL LOW TUESDAY,  
THUNDERSTORMS WILL BECOME MORE CONFINED TO THE HIGHER TERRAIN AND  
ADJACENT VALLEYS THROUGH THURSDAY. A NET DRYING TREND WILL  
CONTINUE, WITH MOST VALLEYS SEE HUMIDITIES FALL TO CRITICAL LEVELS  
BY MIDWEEK. ANOTHER ROUND OF THUNDERSTORMS MAY IMPACT MORE OF THE  
STATE AS EARLY AS FRIDAY AS ANOTHER LOW PRESSURE AREA IMPACTS THE  
PACIFIC NORTHWEST AND PULLS MOISTURE FROM THE TROPICAL PACIFIC  
NORTHEASTWARD INTO THE GREAT BASIN.  
 
***THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS***  
***ALL WINDS ARE 20 FOOT, 10-MINUTE AVERAGES***  
 
UTZ478-241400-  
SALT LAKE DESERT-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). NORTH OF  
I-80, SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 2400, THEN ISOLATED SHOWERS  
AND THUNDERSTORMS. SOUTH OF I-80, SCATTERED  
THUNDERSTORMS UNTIL 2400. SCATTERED RAIN  
SHOWERS.  
CHANCE LIGHTNING....30% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....59-69 NEAR 5000 FEET.  
55-62 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........52-62%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 10 MPH BECOMING  
NORTHEAST AFTER MIDNIGHT.  
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.  
   
MONDAY  
 
SKY/WEATHER.........NORTH OF I-80, PARTLY SUNNY (60-70% CLOUD  
COVER), SCATTERED SHOWERS AND THUNDERSTORMS  
AFTER 1200. SOUTH OF I-80, PARTLY CLOUDY  
(40-50% CLOUD COVER), ISOLATED SHOWERS AND  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....84-94 NEAR 5000 FEET.  
71-78 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........19-29% NEAR 5000 FEET.  
27-37% NEAR 8000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH.  
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.  
MIXING HEIGHT.......12000 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................10% NORTH OF I-80 AND 0% SOUTH OF I-80.  
MIN TEMPERATURE.....58-68 NEAR 5000 FEET.  
55-61 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........50-60%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....85-93 NEAR 5000 FEET.  
72-79 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........16-26% NEAR 5000 FEET.  
24-34% NEAR 8000 FEET.  
24 HR TREND......6% DRIER NEAR 5000 FEET.  
UNCHANGED NEAR 8000 FEET.  
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH BECOMING SOUTHWEST  
IN THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......12500 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......800.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID 60S IN THE VALLEYS  
AND AROUND 60 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  
PARTLY CLOUDY. LOWS IN THE MID 60S 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.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE MID 60S IN THE VALLEYS AND  
IN THE LOWER 60S IN THE MOUNTAINS. HIGHS AROUND 90 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 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 RAIN SHOWERS. 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 LOWER 70S IN THE MOUNTAINS.  
=  
 
 
 
UTZ479-241400-  
WASATCH MOUNTAINS-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). ISOLATED  
THUNDERSTORMS UNTIL 2400. NORTH OF I-80,  
ISOLATED RAIN SHOWERS. SOUTH OF I-80, SCATTERED  
RAIN SHOWERS. ISOLATED THUNDERSTORMS AFTER  
2400.  
CHANCE LIGHTNING....30% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....54-64 NEAR 5000 FEET.  
50-60 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........65-75% NEAR 5000 FEET.  
53-63% NEAR 8000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH BECOMING SOUTH  
AFTER MIDNIGHT.  
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (50-60% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....84-93 NEAR 5000 FEET.  
74-84 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........22-32%.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......11500 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). NORTH OF  
I-80, ISOLATED THUNDERSTORMS UNTIL 2400.  
ISOLATED RAIN SHOWERS.  
CHANCE LIGHTNING....10%.  
CWR.................10% NORTH OF I-80 AND 0% SOUTH OF I-80.  
MIN TEMPERATURE.....53-63.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........63-73% NEAR 5000 FEET.  
50-60% NEAR 8000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH BECOMING EAST AFTER  
MIDNIGHT.  
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER). SOUTH OF  
I-80, ISOLATED SHOWERS AND THUNDERSTORMS AFTER  
1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....86-94 NEAR 5000 FEET.  
75-85 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........19-29%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH BECOMING WEST IN  
THE AFTERNOON.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......12300 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE  
LOWER 90S IN THE VALLEYS AND IN THE UPPER 70S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE MID  
50S. HIGHS IN THE LOWER 90S IN THE VALLEYS AND IN THE UPPER 70S  
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS AROUND 60 IN THE VALLEYS AND IN THE  
MID 50S IN THE MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS  
AND IN THE UPPER 70S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.   
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. 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 50S. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE  
MID 70S IN THE MOUNTAINS.  
=  
 
 
 
UTZ480-241400-  
UINTA MOUNTAINS-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). ISOLATED  
THUNDERSTORMS UNTIL 2400. SCATTERED RAIN  
SHOWERS. ISOLATED THUNDERSTORMS AFTER 2400.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................20%.  
MIN TEMPERATURE.....51-59 NEAR 7000 FEET.  
44-54 NEAR 9000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........55-65% NEAR 7000 FEET.  
65-75% NEAR 9000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH BECOMING SOUTH  
AFTER MIDNIGHT.  
12K FT MSL WINDS....WEST 15-20 MPH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). SCATTERED  
RAIN SHOWERS UNTIL 1200, THEN NUMEROUS RAIN  
SHOWERS AND SCATTERED THUNDERSTORMS.  
CHANCE LIGHTNING....10% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....79-85 NEAR 7000 FEET.  
71-77 NEAR 9000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........26-36%.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST AROUND 20 MPH.  
MIXING HEIGHT.......10700 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL  
2400. ISOLATED RAIN SHOWERS AFTER 2400.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....50-58 NEAR 7000 FEET.  
42-52 NEAR 9000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........52-62% NEAR 7000 FEET.  
63-73% NEAR 9000 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH BECOMING SOUTHEAST  
AFTER MIDNIGHT.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (75-85% CLOUD COVER).  
ISOLATED RAIN SHOWERS UNTIL 1200, THEN NUMEROUS  
RAIN SHOWERS AND SCATTERED THUNDERSTORMS.  
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....80-86 NEAR 7000 FEET.  
71-77 NEAR 9000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........24-28% NEAR 7000 FEET.  
27-37% NEAR 9000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH BECOMING WEST 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  
PARTLY CLOUDY. NUMEROUS RAIN SHOWERS AND SCATTERED  
THUNDERSTORMS. LOWS IN THE MID 50S IN THE VALLEYS AND IN THE  
UPPER 40S 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  
MOSTLY CLOUDY. SCATTERED THUNDERSTORMS AND ISOLATED  
RAIN SHOWERS. LOWS IN THE MID 50S IN THE VALLEYS AND IN THE UPPER  
40S 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.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS.  
HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE MID 70S IN THE  
MOUNTAINS. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS.    
SUNDAY  
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
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 AROUND 70 IN THE MOUNTAINS.  
=  
 
 
 
UTZ481-241400-  
WESTERN ASHLEY NATIONAL FOREST-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). ISOLATED  
THUNDERSTORMS UNTIL 2400. SCATTERED RAIN  
SHOWERS. ISOLATED THUNDERSTORMS AFTER 2400.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................20%.  
MIN TEMPERATURE.....54-60 NEAR 7000 FEET.  
42-52 NEAR 10000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........49-55% NEAR 7000 FEET.  
59-69% NEAR 10000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). SCATTERED  
RAIN SHOWERS UNTIL 1200, THEN NUMEROUS RAIN  
SHOWERS AND SCATTERED THUNDERSTORMS.  
CHANCE LIGHTNING....10% INCREASING TO 50% IN THE AFTERNOON.  
CWR.................30%.  
MAX TEMPERATURE.....79-85 NEAR 7000 FEET.  
67-73 NEAR 10000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........24-28% NEAR 7000 FEET.  
28-38% NEAR 10000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......9600 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). ISOLATED  
THUNDERSTORMS UNTIL 2400. SCATTERED RAIN  
SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....54-60 NEAR 7000 FEET.  
42-52 NEAR 10000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........45-51% NEAR 7000 FEET.  
55-65% NEAR 10000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). SCATTERED  
RAIN SHOWERS UNTIL 1200, THEN NUMEROUS RAIN  
SHOWERS AND SCATTERED THUNDERSTORMS.  
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....78-85 NEAR 7000 FEET.  
66-72 NEAR 10000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........24-28% NEAR 7000 FEET.  
27-37% NEAR 10000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......10400 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE UPPER  
60S 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 UPPER 40S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE UPPER  
60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE UPPER  
60S IN THE MOUNTAINS. WEST WINDS AROUND 15 MPH.    
SATURDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE  
MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS AND IN THE MID 60S IN  
THE MOUNTAINS.    
SUNDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE MID  
60S IN THE MOUNTAINS.  
=  
 
 
 
UTZ482-241400-  
WESTERN UINTAH BASIN-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). ISOLATED  
THUNDERSTORMS UNTIL 2400. SCATTERED RAIN  
SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....52-62.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........55-65%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
MONDAY  
 
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....10% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....85-91 NEAR 6000 FEET.  
77-83 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........20-28%.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......10600 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....52-62.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........50-60%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (60-70% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....85-91 NEAR 6000 FEET.  
76-82 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........20-28%.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH BECOMING SOUTH IN THE  
AFTERNOON.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......12300 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S IN THE VALLEYS AND  
IN THE UPPER 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S IN THE VALLEYS AND  
AROUND 80 IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE  
UPPER 80S IN THE VALLEYS AND AROUND 80 IN THE MOUNTAINS. WEST  
WINDS AROUND 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 MID 80S IN THE VALLEYS AND IN THE  
UPPER 70S IN THE MOUNTAINS.  
=  
 
 
 
UTZ483-241400-  
SOUTHERN ASHLEY NATIONAL FOREST-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER). ISOLATED  
THUNDERSTORMS UNTIL 2400. SCATTERED RAIN  
SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....53-63.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........45-55%.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH BECOMING WEST  
AFTER MIDNIGHT.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (65-75% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....82-88 NEAR 7000 FEET.  
72-78 NEAR 9000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........21-25% NEAR 7000 FEET.  
24-34% NEAR 9000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......10700 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....52-62.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........42-52%.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (65-75% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....82-88 NEAR 7000 FEET.  
72-78 NEAR 9000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........18-24% NEAR 7000 FEET.  
24-32% NEAR 9000 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......11600 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 60S IN THE VALLEYS AND IN THE UPPER 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  
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 MID 80S IN THE VALLEYS AND IN THE MID 70S  
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS AROUND 60. HIGHS IN THE MID 80S IN  
THE VALLEYS AND IN THE MID 70S IN THE MOUNTAINS. SOUTHWEST WINDS  
AROUND 15 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S. 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 60S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS.  
=  
 
 
 
UTZ484-241400-  
TAVAPUTS PLATEAU-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL  
2400, THEN ISOLATED SHOWERS AND THUNDERSTORMS.  
PATCHY SMOKE AFTER 2400.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................10%.  
MIN TEMPERATURE.....60-67 NEAR 6000 FEET.  
54-63 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........48-58%.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH BECOMING NORTHWEST  
AFTER MIDNIGHT.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (50-60% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....88-94 NEAR 6000 FEET.  
77-83 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........18-28%.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 20 MPH  
IN THE AFTERNOON.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......11300 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400. PATCHY  
SMOKE.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....59-66 NEAR 6000 FEET.  
54-63 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........45-55%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (45-55% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....88-94 NEAR 6000 FEET.  
77-83 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........17-27%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH BECOMING SOUTH IN  
THE AFTERNOON.  
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH BECOMING SOUTHWEST IN  
THE AFTERNOON.  
MIXING HEIGHT.......12100 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS AROUND 90 IN THE VALLEYS AND AROUND 80 IN THE  
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS AND AROUND 80 IN  
THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE MID 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 MID 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS. HIGHS AROUND 90 IN THE VALLEYS AND AROUND 80 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 UPPER 80S IN THE VALLEYS AND IN THE UPPER  
70S IN THE MOUNTAINS.  
=  
 
 
 
UTZ488-241400-  
MANTI NATIONAL FOREST-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER). ISOLATED  
THUNDERSTORMS UNTIL 2400. ISOLATED RAIN  
SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....54-64 NEAR 6500 FEET.  
50-60 NEAR 8500 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........44-54% NEAR 6500 FEET.  
48-58% NEAR 8500 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
   
MONDAY  
 
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....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....80-90 NEAR 6500 FEET.  
70-79 NEAR 8500 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........19-27% NEAR 6500 FEET.  
23-31% NEAR 8500 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
MIXING HEIGHT.......11400 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (40-50% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....10% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....53-63 NEAR 6500 FEET.  
49-59 NEAR 8500 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........47-57%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (50-60% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....80-90 NEAR 6500 FEET.  
71-79 NEAR 8500 FEET.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........18-24% NEAR 6500 FEET.  
21-29% NEAR 8500 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......11300 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 60 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  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 60 IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE MID 80S IN THE VALLEYS AND IN THE UPPER  
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY  
PARTLY CLOUDY. 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. SOUTHWEST WINDS  
AROUND 15 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 60 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 UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE MID  
70S IN THE MOUNTAINS.  
=  
 
 
 
UTZ489-241400-  
SAN RAFAEL SWELL-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400. PATCHY  
SMOKE.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....59-69.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........42-52% NEAR 5000 FEET.  
38-44% NEAR 7000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH BECOMING NORTH AFTER  
MIDNIGHT.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER). PATCHY SMOKE  
UNTIL 1200. ISOLATED SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....93-99 NEAR 5000 FEET.  
82-88 NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........14-20% NEAR 5000 FEET.  
20-24% NEAR 7000 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......11200 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (30-40% CLOUD COVER). PATCHY  
SMOKE AFTER 2400.  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MIN TEMPERATURE.....58-68.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........39-49% NEAR 5000 FEET.  
37-43% NEAR 7000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....93-99 NEAR 5000 FEET.  
82-88 NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........14-18% NEAR 5000 FEET.  
18-22% NEAR 7000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH BECOMING SOUTH IN  
THE AFTERNOON.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......12100 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE  
UPPER 90S IN THE VALLEYS AND IN THE MID 80S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY  
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE  
UPPER 90S IN THE VALLEYS AND IN THE MID 80S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE UPPER  
90S IN THE VALLEYS AND IN THE UPPER 80S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 90S IN THE VALLEYS AND  
IN THE MID 80S IN THE MOUNTAINS.    
SUNDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 60S. HIGHS IN THE MID 90S IN THE VALLEYS AND IN THE  
MID 80S IN THE MOUNTAINS.  
=  
 
 
 
UTZ492-241400-  
CENTRAL UTAH WEST DESERT-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....58-68 NEAR 5000 FEET.  
54-64 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........46-56%.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH BECOMING  
SOUTHEAST AFTER MIDNIGHT.  
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (50-60% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....90-96 NEAR 5000 FEET.  
76-82 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........13-19% NEAR 5000 FEET.  
18-26% NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......13500 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MIN TEMPERATURE.....57-67 NEAR 5000 FEET.  
52-62 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........48-58%.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MAX TEMPERATURE.....91-97 NEAR 5000 FEET.  
76-82 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........13-19% NEAR 5000 FEET.  
17-25% NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......12900 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID 60S IN THE VALLEYS  
AND IN THE UPPER 50S IN THE MOUNTAINS. HIGHS IN THE MID 90S IN  
THE VALLEYS AND AROUND 80 IN THE MOUNTAINS. WINDS GENERALLY LESS  
THAN 15 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 60S IN THE VALLEYS AND AROUND 60 IN THE  
MOUNTAINS. HIGHS IN THE MID 90S IN THE VALLEYS AND AROUND 80 IN  
THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE MID 60S IN THE VALLEYS AND  
IN THE LOWER 60S IN THE MOUNTAINS. HIGHS IN THE MID 90S IN THE  
VALLEYS AND IN THE UPPER 70S IN THE MOUNTAINS. SOUTHWEST WINDS  
AROUND 15 MPH.    
SATURDAY  
PARTLY CLOUDY. 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 UPPER 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 UPPER  
70S IN THE MOUNTAINS.  
=  
 
 
 
UTZ493-241400-  
CENTRAL UTAH MOUNTAINS-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....56-62 NEAR 5000 FEET.  
51-61 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........49-59%.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................20%.  
MAX TEMPERATURE.....88-94 NEAR 5000 FEET.  
75-82 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........22-32%.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
MIXING HEIGHT.......11500 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (30-40% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....51-61.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........53-63%.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (65-75% CLOUD COVER).  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....89-95 NEAR 5000 FEET.  
76-83 NEAR 8000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........20-30%.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......11800 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......900.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S IN THE VALLEYS AND  
AROUND 80 IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 90S IN THE VALLEYS AND IN  
THE LOWER 80S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.   
FRIDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
90S IN THE VALLEYS AND IN THE LOWER 80S IN THE MOUNTAINS.  
SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S IN THE VALLEYS AND  
AROUND 80 IN THE MOUNTAINS.    
SUNDAY  
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS IN THE LOWER 90S IN THE VALLEYS AND AROUND  
80 IN THE MOUNTAINS.  
=  
 
 
 
UTZ494-241400-  
HENRY MOUNTAINS-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400. PATCHY  
SMOKE AFTER 2400.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....64-72 NEAR 5000 FEET.  
61-68 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........35-45% NEAR 5000 FEET.  
32-38% NEAR 8000 FEET.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). PATCHY SMOKE  
UNTIL 1200. SCATTERED SHOWERS AND THUNDERSTORMS  
AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....91-97 NEAR 5000 FEET.  
76-86 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........14-20% NEAR 5000 FEET.  
20-29% NEAR 8000 FEET.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH BECOMING SOUTHWEST  
IN THE AFTERNOON.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......11900 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (25-35% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....63-71 NEAR 5000 FEET.  
60-66 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........34-44%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (45-55% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....92-98 NEAR 5000 FEET.  
77-87 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.......NORTHWEST WINDS AROUND 5 MPH BECOMING SOUTHEAST  
IN THE AFTERNOON.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......12300 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE  
MID 90S IN THE VALLEYS AND IN THE LOWER 80S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE  
UPPER 90S IN THE VALLEYS AND IN THE LOWER 80S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE  
UPPER 90S IN THE VALLEYS AND IN THE LOWER 80S IN THE MOUNTAINS.  
SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY  
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S IN THE VALLEYS AND IN THE LOWER 80S IN THE MOUNTAINS.    
SUNDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 60S. HIGHS IN THE MID 90S IN THE VALLEYS AND IN THE  
LOWER 80S IN THE MOUNTAINS.  
=  
 
 
 
UTZ495-241400-  
COLOR COUNTRY WEST DESERT-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....10% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....58-68.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........40-50% NEAR 5000 FEET.  
32-42% NEAR 7000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (55-65% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....91-97 NEAR 5000 FEET.  
82-88 NEAR 7000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........14-24%.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......13200 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....56-66.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........44-54% NEAR 5000 FEET.  
36-46% NEAR 7000 FEET.  
24 HR TREND......6% WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........SUNNY (20-30% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (40-50% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....91-97 NEAR 5000 FEET.  
82-88 NEAR 7000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........14-24%.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......13400 FT AGL (90-95TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. LOWS AROUND 60 IN THE VALLEYS AND IN  
THE MID 60S IN THE MOUNTAINS. HIGHS IN THE MID 90S IN THE VALLEYS  
AND IN THE MID 80S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
THURSDAY  
MOSTLY CLEAR. LOWS AROUND 60 IN THE VALLEYS AND IN  
THE MID 60S IN THE MOUNTAINS. HIGHS IN THE MID 90S IN THE VALLEYS  
AND IN THE MID 80S IN THE MOUNTAINS. SOUTH WINDS AROUND 15 MPH.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 60S IN THE VALLEYS AND  
IN THE MID 60S IN THE MOUNTAINS. HIGHS IN THE MID 90S IN THE  
VALLEYS AND IN THE MID 80S IN THE MOUNTAINS. SOUTH WINDS AROUND  
20 MPH.    
SATURDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 50S IN THE VALLEYS  
AND IN THE LOWER 60S IN THE MOUNTAINS. HIGHS IN THE LOWER 90S IN  
THE VALLEYS AND IN THE MID 80S IN THE MOUNTAINS.    
SUNDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 50S IN THE VALLEYS AND  
IN THE LOWER 60S IN THE MOUNTAINS. HIGHS IN THE LOWER 90S IN THE  
VALLEYS AND IN THE LOWER 80S IN THE MOUNTAINS.  
=  
 
 
 
UTZ496-241400-  
COLOR COUNTRY MOUNTAINS-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....55-65.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........46-56% NEAR 6000 FEET.  
41-51% NEAR 8000 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....83-92 NEAR 6000 FEET.  
76-83 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........21-31%.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......11900 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (30-40% CLOUD COVER).  
ISOLATED SHOWERS AND THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................0%.  
MIN TEMPERATURE.....55-65 NEAR 6000 FEET.  
51-61 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........54-64% NEAR 6000 FEET.  
47-57% NEAR 8000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 20 MPH BECOMING NORTHWEST AFTER  
MIDNIGHT.  
12K FT MSL WINDS....WEST AROUND 15 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% 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.................10%.  
MAX TEMPERATURE.....85-92 NEAR 6000 FEET.  
77-84 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........17-25% NEAR 6000 FEET.  
21-31% NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH BECOMING SOUTHWEST IN  
THE AFTERNOON.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......12200 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......870.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 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.    
THURSDAY  
MOSTLY CLEAR. LOWS IN THE MID 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.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE MID 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. SOUTHWEST WINDS  
AROUND 15 MPH.    
SATURDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 60S IN THE VALLEYS  
AND IN THE UPPER 50S IN THE MOUNTAINS. HIGHS AROUND 90 IN THE  
VALLEYS AND AROUND 80 IN THE MOUNTAINS.    
SUNDAY  
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 60S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE UPPER  
70S IN THE MOUNTAINS.  
=  
 
 
 
UTZ497-241400-  
MOJAVE DESERT-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....76-86 NEAR 3000 FEET.  
66-76 NEAR 6000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........24-34% NEAR 3000 FEET.  
30-40% NEAR 6000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
25 MPH BECOMING EAST AFTER MIDNIGHT.  
12K FT MSL WINDS....SOUTHWEST AROUND 20 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MAX TEMPERATURE.....98-104 NEAR 3000 FEET.  
84-91 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........14-18% NEAR 3000 FEET.  
18-22% NEAR 6000 FEET.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH BECOMING SOUTHWEST WITH  
GUSTS TO AROUND 25 MPH IN THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.  
MIXING HEIGHT.......12200 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....73-83 NEAR 3000 FEET.  
64-74 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........29-39% NEAR 3000 FEET.  
34-44% NEAR 6000 FEET.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH BECOMING NORTHEAST  
AFTER MIDNIGHT.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,  
THEN SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....100-107 NEAR 3000 FEET.  
85-92 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........13-17% NEAR 3000 FEET.  
17-21% NEAR 6000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH BECOMING SOUTHWEST WITH  
GUSTS TO AROUND 20 MPH IN THE AFTERNOON.  
12K FT MSL WINDS....LIGHT AND VARIABLE.  
MIXING HEIGHT.......12100 FT AGL (70-80TH PERCENTILE).  
CLEARING INDEX......970.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 70S IN THE VALLEYS  
AND AROUND 70 IN THE MOUNTAINS. HIGHS AROUND 105 IN THE VALLEYS  
AND AROUND 90 IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.   
THURSDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 70S IN THE VALLEYS  
AND IN THE LOWER 70S IN THE MOUNTAINS. HIGHS AROUND 105 IN THE  
VALLEYS AND AROUND 90 IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
FRIDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 70S IN THE VALLEYS AND  
IN THE LOWER 70S IN THE MOUNTAINS. HIGHS AROUND 104 IN THE  
VALLEYS AND IN THE UPPER 80S IN THE MOUNTAINS. SOUTH WINDS AROUND  
15 MPH.    
SATURDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 70S IN THE VALLEYS  
AND IN THE UPPER 60S IN THE MOUNTAINS. HIGHS AROUND 103 IN THE  
VALLEYS AND IN THE UPPER 80S IN THE MOUNTAINS.    
SUNDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 70S IN THE VALLEYS AND  
IN THE UPPER 60S IN THE MOUNTAINS. HIGHS AROUND 101 IN THE  
VALLEYS AND IN THE UPPER 80S IN THE MOUNTAINS.  
=  
 
 
 
UTZ498-241400-  
GRAND STAIRCASE-  
1225 PM MDT SUN AUG 23 2026  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MIN TEMPERATURE.....69-75 NEAR 4000 FEET.  
60-70 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........29-39% NEAR 4000 FEET.  
36-46% NEAR 6000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
MONDAY  
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....93-103 NEAR 4000 FEET.  
87-94 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........10-18% NEAR 4000 FEET.  
16-22% NEAR 6000 FEET.  
24 HR TREND......1% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......12600 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
MONDAY NIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MIN TEMPERATURE.....68-74 NEAR 4000 FEET.  
58-68 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........30-40% NEAR 4000 FEET.  
39-49% NEAR 6000 FEET.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH IN THE EVENING BECOMING  
LIGHT AND VARIABLE.  
   
TUESDAY  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER). ISOLATED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................0%.  
MAX TEMPERATURE.....94-104 NEAR 4000 FEET.  
89-96 NEAR 6000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........11-21%.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH BECOMING SOUTH IN  
THE AFTERNOON.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHWEST AROUND 10  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......12600 FT AGL (80-90TH PERCENTILE).  
CLEARING INDEX......960.  
   
FORECAST DAYS 3 THROUGH 7  
   
WEDNESDAY  
MOSTLY CLEAR. LOWS IN THE LOWER 70S IN THE VALLEYS  
AND IN THE MID 60S IN THE MOUNTAINS. HIGHS AROUND 101 IN THE  
VALLEYS AND IN THE LOWER 90S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY  
MOSTLY CLEAR. LOWS IN THE LOWER 70S IN THE VALLEYS  
AND IN THE MID 60S IN THE MOUNTAINS. HIGHS AROUND 102 IN THE  
VALLEYS AND IN THE LOWER 90S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
FRIDAY  
MOSTLY CLEAR. LOWS IN THE LOWER 70S IN THE VALLEYS AND  
IN THE MID 60S IN THE MOUNTAINS. HIGHS AROUND 101 IN THE VALLEYS  
AND IN THE LOWER 90S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND  
15 MPH.    
SATURDAY  
MOSTLY CLEAR. LOWS IN THE LOWER 70S IN THE VALLEYS  
AND IN THE LOWER 60S IN THE MOUNTAINS. HIGHS AROUND 101 IN THE  
VALLEYS AND IN THE LOWER 90S IN THE MOUNTAINS.    
SUNDAY  
MOSTLY CLEAR. LOWS IN THE LOWER 70S IN THE VALLEYS AND  
IN THE LOWER 60S IN THE MOUNTAINS. HIGHS AROUND 100 IN THE  
VALLEYS AND AROUND 90 IN THE MOUNTAINS.  
=  
 
 
 
.8-14 DAY OUTLOOK FOR MONDAY AUGUST 31 TO SUNDAY SEPTEMBER 06  
TEMPERATURE... ABOVE NORMAL  
PRECIPITATION... NEAR NORMAL  
=  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab UT Page
The Nexlab ID Page
The Nexlab WY Page
Main Text Page