738  
FNUS55 KSLC 060949  
FWFSLC  
 
FIRE WEATHER PLANNING FORECAST FOR UTAH  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
349 AM MDT SUN SEP 6 2026  
 
...INCREASING MOISTURE TODAY THEN DRIER CONDITIONS RETURN EARLY  
NEXT WEEK...  
   
BROADCAST DISCUSSION
 
MOISTURE WILL RAPIDLY INCREASE ACROSS THE  
DISTRICT TODAY, MOST PLENTIFUL ACROSS CENTRAL AND SOUTHWESTERN  
PORTIONS. A RETURN TO A MUCH DRIER AIRMASS WILL OCCUR MONDAY AS  
A BOUNDARY WILL MOVE IN FROM THE NORTHWEST. DRY CONDITIONS WILL  
THEN PERSIST THROUGH AT LEAST MID-WEEK OF NEXT WEEK...LIKELY  
LONGER.  
   
DISCUSSION
 
THE APPROACH OF A LOW PRESSURE SYSTEM FROM THE NORTHWEST  
IS JUST NOW BEGINNING TO TAP INTO MONSOONAL MOISTURE WHICH IS  
POOLED TO THE SOUTHWEST OVER THE LOWER COLORADO RIVER BASIN.  
STRONG SOUTHWESTERLY FLOW ALOFT WILL RAPIDLY SPREAD THIS MOISTURE  
INTO THE AREA FROM SOUTHWEST TO NORTHEAST TODAY, WITH INCREASING  
SHOWERS AND STORMS ACCOMPANYING. THE FOCUS OF PRECIPITATION IS  
EXPECTED TO INITIALLY OCCUR ACROSS SOUTHWESTERN UTAH SHORTLY AFTER  
SUNRISE, THEN SPREAD NORTHEAST INTO CENTRAL UTAH BY MIDDAY. A  
BOUNDARY ASSOCIATED WITH THE LOW PRESSURE SYSTEM WILL BEGIN TO  
PUSH INTO NORTHWESTERN PORTIONS LATE AFTERNOON THROUGH THIS  
EVENING AND WILL DRIVE ANOTHER AREA OF SHOWERS AND STORMS FOCUSED  
OVER FIRE WEATHER ZONES 478 AND 479.  
 
THE BOUNDARY WILL PUSH WEST TO EAST ACROSS THE DISTRICT TONIGHT  
THROUGH MONDAY MORNING USHERING IN A MUCH DRIER AIRMASS ONCE  
AGAIN. THIS DRY AIRMASS WILL REMAIN IN PLACE THROUGH AT LEAST  
MIDWEEK WITH TEMPERATURES TRENDING FROM ~5-10 DEGREES BELOW NORMAL  
MONDAY, TO NEAR SEASONAL NORMS BY MID-WEEK.  
 
***THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS***  
***ALL WINDS ARE 20 FOOT, 10-MINUTE AVERAGES***  
 
UTZ478-070100-  
SALT LAKE DESERT-  
349 AM MDT SUN SEP 6 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (80-90% CLOUD COVER). NORTH  
OF I-80, ISOLATED SHOWERS AND THUNDERSTORMS  
AFTER 1200. SOUTH OF I-80, SCATTERED RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................10% NORTH OF I-80 AND 20% SOUTH OF I-80.  
MAX TEMPERATURE.....77-84 NEAR 5000 FEET.  
64-70 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........22-32% NEAR 5000 FEET.  
26-36% NEAR 8000 FEET.  
24 HR TREND......11% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND  
35 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 35 MPH.  
MIXING HEIGHT.......9200 FT AGL (40-50TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). NORTH OF  
I-80, SCATTERED THUNDERSTORMS UNTIL 2400.  
SCATTERED RAIN SHOWERS. ISOLATED THUNDERSTORMS  
AFTER 2400. SOUTH OF I-80, ISOLATED SHOWERS AND  
THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....30%.  
CWR.................40% NORTH OF I-80 AND 10% SOUTH OF I-80.  
MIN TEMPERATURE.....49-59 NEAR 5000 FEET.  
42-52 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........68-78% NEAR 5000 FEET.  
72-82% NEAR 8000 FEET.  
24 HR TREND......33% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 20 TO 25 MPH WITH GUSTS TO AROUND  
40 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (25-35% CLOUD COVER). NORTH  
OF I-80, SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 1200. SOUTH OF I-80,  
SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS  
UNTIL 1200.  
CHANCE LIGHTNING....10%.  
CWR.................10%.  
MAX TEMPERATURE.....69-79 NEAR 5000 FEET.  
56-63 NEAR 8000 FEET.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........20-30%.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST WINDS 10 TO 15 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH.  
MIXING HEIGHT.......9100 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......970.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S IN THE VALLEYS AND  
IN THE MID 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE  
VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. 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 UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. 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 AROUND 70 IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
FRIDAY
 
MOSTLY CLEAR. 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 LOWER 70S IN THE MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED 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.  
=  
 

 
 
UTZ479-070100-  
WASATCH MOUNTAINS-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING FOR ONLY EXTREME SOUTHEASTERN PORTIONS OF THE ZONE...  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN CLOUDY (85-95% CLOUD COVER). NORTH OF  
I-80, ISOLATED SHOWERS AND THUNDERSTORMS AFTER  
1200. SOUTH OF I-80, SCATTERED RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10% NORTH OF I-80 AND 50% SOUTH OF I-80.  
MAX TEMPERATURE.....78-85 NEAR 5000 FEET.  
64-74 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........26-34% NEAR 5000 FEET.  
28-38% NEAR 8000 FEET.  
24 HR TREND......15% WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
30 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH.  
MIXING HEIGHT.......8000 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NORTH OF I-80,  
SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. SOUTH OF I-80, NUMEROUS RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400,  
THEN SCATTERED RAIN SHOWERS.  
CHANCE LIGHTNING....20%.  
CWR.................30% NORTH OF I-80 AND 40% SOUTH OF I-80.  
MIN TEMPERATURE.....48-55 NEAR 5000 FEET.  
43-53 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........83-93% NEAR 5000 FEET.  
76-86% NEAR 8000 FEET.  
24 HR TREND......45% WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 15 MPH WITH GUSTS TO AROUND  
30 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 25 MPH BECOMING AROUND 35 MPH  
AFTER MIDNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (30-40% CLOUD COVER). NORTH  
OF I-80, SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS UNTIL 1200. SOUTH OF I-80,  
SCATTERED RAIN SHOWERS UNTIL 1200. ISOLATED  
THUNDERSTORMS. ISOLATED RAIN SHOWERS AFTER  
1200.  
CHANCE LIGHTNING....10%.  
CWR.................20%.  
MAX TEMPERATURE.....67-76 NEAR 5000 FEET.  
57-67 NEAR 8000 FEET.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........29-39% NEAR 5000 FEET.  
39-49% NEAR 8000 FEET.  
24 HR TREND......3% WETTER NEAR 5000 FEET.  
11% WETTER NEAR 8000 FEET.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 25 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH.  
MIXING HEIGHT.......7900 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
70S IN THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS AROUND  
80 IN THE VALLEYS AND AROUND 70 IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 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. WINDS GENERALLY  
LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 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.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S IN THE VALLEYS AND AROUND 50 IN THE  
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE UPPER  
60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ480-070100-  
UINTA MOUNTAINS-  
349 AM MDT SUN SEP 6 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,  
THEN CLOUDY (85-95% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER  
1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................40%.  
MAX TEMPERATURE.....71-77 NEAR 7000 FEET.  
63-69 NEAR 9000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........29-39%.  
24 HR TREND......10% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......7400 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NUMEROUS RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400,  
THEN SCATTERED RAIN SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................60%.  
MIN TEMPERATURE.....46-54 NEAR 7000 FEET.  
39-47 NEAR 9000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........81-91%.  
24 HR TREND......44% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND  
35 MPH.  
12K FT MSL WINDS....SOUTH AROUND 25 MPH BECOMING SOUTHWEST AROUND  
35 MPH AFTER MIDNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (35-45% CLOUD COVER).  
ISOLATED RAIN SHOWERS UNTIL 1200.  
CHANCE LIGHTNING....10%.  
CWR.................10%.  
MAX TEMPERATURE.....64-70 NEAR 7000 FEET.  
57-65 NEAR 9000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........41-51%.  
24 HR TREND......11% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 35 MPH BECOMING AROUND 25 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......7500 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S IN THE VALLEYS AND  
AROUND 40 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.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S IN THE VALLEYS  
AND IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE MID 70S IN  
THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S IN THE VALLEYS  
AND IN THE MID 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN  
THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE UPPER  
60S IN THE MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS. LOWS IN THE MID 50S IN THE VALLEYS AND IN THE MID  
40S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND  
IN THE MID 60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ481-070100-  
WESTERN ASHLEY NATIONAL FOREST-  
349 AM MDT SUN SEP 6 2026  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,  
THEN CLOUDY (85-95% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER  
1200.  
CHANCE LIGHTNING....0% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................50%.  
MAX TEMPERATURE.....68-74 NEAR 7000 FEET.  
56-62 NEAR 10000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........27-35% NEAR 7000 FEET.  
33-39% NEAR 10000 FEET.  
24 HR TREND......10% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......6000 FT AGL (40-50TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). RAIN SHOWERS AND  
ISOLATED THUNDERSTORMS UNTIL 2400, THEN  
SCATTERED RAIN SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................70%.  
MIN TEMPERATURE.....45-51 NEAR 7000 FEET.  
37-43 NEAR 10000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........84-92% NEAR 7000 FEET.  
89-99% NEAR 10000 FEET.  
24 HR TREND......51% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 35 MPH.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (35-45% CLOUD COVER).  
ISOLATED RAIN SHOWERS.  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MAX TEMPERATURE.....65-71 NEAR 7000 FEET.  
53-59 NEAR 10000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MIN HUMIDITY........33-43% NEAR 7000 FEET.  
39-49% NEAR 10000 FEET.  
24 HR TREND......7% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 15 MPH WITH GUSTS TO  
AROUND 30 MPH.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......7200 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S IN THE VALLEYS AND  
IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN THE  
VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 50 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. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S IN THE VALLEYS AND  
IN THE MID 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
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE  
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER  
60S IN THE MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE UPPER  
50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ482-070100-  
WESTERN UINTAH BASIN-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN CLOUDY (85-95% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER  
1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................40%.  
MAX TEMPERATURE.....73-79 NEAR 6000 FEET.  
65-71 NEAR 8000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........26-36%.  
24 HR TREND......13% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......6600 FT AGL (40-50TH PERCENTILE).  
CLEARING INDEX......930.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NUMEROUS RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400,  
THEN SCATTERED RAIN SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................50%.  
MIN TEMPERATURE.....49-55 NEAR 6000 FEET.  
45-51 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........85-95% NEAR 6000 FEET.  
75-85% NEAR 8000 FEET.  
24 HR TREND......44% WETTER.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN  
THE EVENING.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MAX TEMPERATURE.....72-78 NEAR 6000 FEET.  
63-69 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........31-41%.  
24 HR TREND......6% WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
25 MPH.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
MIXING HEIGHT.......9900 FT AGL (60-70TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE  
UPPER 70S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 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 CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S. HIGHS AROUND 80 IN THE VALLEYS AND IN THE LOWER  
70S IN THE MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN  
THE LOWER 70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ483-070100-  
SOUTHERN ASHLEY NATIONAL FOREST-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,  
THEN CLOUDY (85-95% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................50%.  
MAX TEMPERATURE.....71-77 NEAR 7000 FEET.  
59-65 NEAR 9000 FEET.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........26-33% NEAR 7000 FEET.  
34-44% NEAR 9000 FEET.  
24 HR TREND......13% WETTER NEAR 7000 FEET.  
19% WETTER NEAR 9000 FEET.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO  
AROUND 25 MPH.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......6200 FT AGL (40-50TH PERCENTILE).  
CLEARING INDEX......980.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NUMEROUS RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400,  
THEN SCATTERED RAIN SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................50%.  
MIN TEMPERATURE.....43-53.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........77-83% NEAR 7000 FEET.  
80-90% NEAR 9000 FEET.  
24 HR TREND......42% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO  
AROUND 25 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 35 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER) UNTIL 1200,  
THEN SUNNY (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....70-76 NEAR 7000 FEET.  
58-64 NEAR 9000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........33-39% NEAR 7000 FEET.  
42-52% NEAR 9000 FEET.  
24 HR TREND......7% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 30 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 35 MPH.  
MIXING HEIGHT.......9100 FT AGL (60-70TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. 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. WINDS GENERALLY LESS  
THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID 50S IN THE VALLEYS  
AND AROUND 50 IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE  
VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S IN THE VALLEYS  
AND IN THE MID 50S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN  
THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. 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 UPPER 60S IN THE MOUNTAINS.    
SATURDAY
 
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 UPPER 70S IN THE VALLEYS AND IN THE MID  
60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ484-070100-  
TAVAPUTS PLATEAU-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER  
1200.  
CHANCE LIGHTNING....0% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................30%.  
MAX TEMPERATURE.....76-82 NEAR 6000 FEET.  
64-71 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES COOLER.  
MIN HUMIDITY........23-30% NEAR 6000 FEET.  
29-39% NEAR 8000 FEET.  
24 HR TREND......17% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO  
AROUND 25 MPH.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......5900 FT AGL (30-40TH PERCENTILE).  
CLEARING INDEX......870.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). ISOLATED  
THUNDERSTORMS UNTIL 2400. SCATTERED RAIN  
SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................60%.  
MIN TEMPERATURE.....51-59 NEAR 6000 FEET.  
46-55 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........76-86%.  
24 HR TREND......37% WETTER NEAR 6000 FEET.  
44% WETTER NEAR 8000 FEET.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH WITH GUSTS TO AROUND  
25 MPH BECOMING SOUTH AFTER MIDNIGHT.  
12K FT MSL WINDS....SOUTH AROUND 30 MPH BECOMING SOUTHWEST AROUND  
45 MPH AFTER MIDNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....75-81 NEAR 6000 FEET.  
64-70 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........27-37% NEAR 6000 FEET.  
34-44% NEAR 8000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 25 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 35 MPH.  
MIXING HEIGHT.......9700 FT AGL (60-70TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S IN THE VALLEYS AND  
IN THE UPPER 40S IN THE MOUNTAINS. HIGHS AROUND 80 IN THE VALLEYS  
AND IN THE UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. 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. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. 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.    
FRIDAY
 
MOSTLY CLEAR. 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 MID 70S IN THE MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 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.  
=  
 

 
 
UTZ488-070100-  
MANTI NATIONAL FOREST-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER) UNTIL 1200,  
THEN CLOUDY (85-95% CLOUD COVER). SCATTERED  
RAIN SHOWERS. SCATTERED THUNDERSTORMS AFTER  
1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................60%.  
MAX TEMPERATURE.....68-78 NEAR 6500 FEET.  
59-67 NEAR 8500 FEET.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........31-41% NEAR 6500 FEET.  
39-49% NEAR 8500 FEET.  
24 HR TREND......24% WETTER.  
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......5900 FT AGL (40-50TH PERCENTILE).  
CLEARING INDEX......720.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NUMEROUS RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................40%.  
MIN TEMPERATURE.....47-55 NEAR 6500 FEET.  
42-52 NEAR 8500 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........78-88%.  
24 HR TREND......35% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER) UNTIL 1200,  
THEN SUNNY (15-25% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MAX TEMPERATURE.....67-77 NEAR 6500 FEET.  
57-66 NEAR 8500 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........29-38% NEAR 6500 FEET.  
36-46% NEAR 8500 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
MIXING HEIGHT.......8000 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S IN THE VALLEYS AND  
IN THE MID 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.    
WEDNESDAY
 
PARTLY CLOUDY. 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. WINDS GENERALLY LESS  
THAN 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS IN THE MID 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 CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
IN THE MID 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND AROUND 70 IN  
THE MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE UPPER  
60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ489-070100-  
SAN RAFAEL SWELL-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). ISOLATED  
RAIN SHOWERS UNTIL 1200, THEN SCATTERED SHOWERS  
AND THUNDERSTORMS.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................30%.  
MAX TEMPERATURE.....80-86 NEAR 5000 FEET.  
69-75 NEAR 7000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........22-29% NEAR 5000 FEET.  
28-34% NEAR 7000 FEET.  
24 HR TREND......13% WETTER NEAR 5000 FEET.  
18% WETTER NEAR 7000 FEET.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH BECOMING NORTHWEST  
WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......5800 FT AGL (30-40TH PERCENTILE).  
CLEARING INDEX......690.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). SCATTERED RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400,  
THEN ISOLATED RAIN SHOWERS.  
CHANCE LIGHTNING....20% DECREASING TO 10% AFTER MIDNIGHT.  
CWR.................30%.  
MIN TEMPERATURE.....57-63 NEAR 5000 FEET.  
49-59 NEAR 7000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........70-80%.  
24 HR TREND......33% WETTER.  
20-FOOT WINDS.......NORTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH BECOMING AROUND 45 MPH  
AFTER MIDNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....81-87 NEAR 5000 FEET.  
70-76 NEAR 7000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........23-29% NEAR 5000 FEET.  
29-35% NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH  
IN THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
MIXING HEIGHT.......10700 FT AGL (60-70TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. 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 MID 70S IN THE MOUNTAINS. WINDS GENERALLY LESS  
THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. 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
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND  
90 IN THE VALLEYS AND AROUND 80 IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 90 IN  
THE VALLEYS AND AROUND 80 IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 60. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN THE  
UPPER 70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ492-070100-  
CENTRAL UTAH WEST DESERT-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). SCATTERED  
RAIN SHOWERS. ISOLATED THUNDERSTORMS AFTER  
1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................50%.  
MAX TEMPERATURE.....77-83 NEAR 5000 FEET.  
63-69 NEAR 8000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........28-38% NEAR 5000 FEET.  
35-45% NEAR 8000 FEET.  
24 HR TREND......23% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND  
35 MPH.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
MIXING HEIGHT.......6600 FT AGL (30-40TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN  
SHOWERS UNTIL 2400.  
CHANCE LIGHTNING....10%.  
CWR.................20%.  
MIN TEMPERATURE.....51-61 NEAR 5000 FEET.  
45-55 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........74-84%.  
24 HR TREND......39% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND  
35 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN SUNNY (15-25% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MAX TEMPERATURE.....76-84 NEAR 5000 FEET.  
62-69 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........24-34% NEAR 5000 FEET.  
31-41% NEAR 8000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......8900 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......980.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. 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 UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. 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 LOWER 70S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. 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 LOWER 70S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. 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 MID 70S IN THE MOUNTAINS.    
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 LOWER  
70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ493-070100-  
CENTRAL UTAH MOUNTAINS-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN  
SHOWERS UNTIL 1200, THEN NUMEROUS RAIN SHOWERS  
AND SCATTERED THUNDERSTORMS.  
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................70%.  
MAX TEMPERATURE.....76-82 NEAR 5000 FEET.  
62-70 NEAR 8000 FEET.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........40-47% NEAR 5000 FEET.  
47-57% NEAR 8000 FEET.  
24 HR TREND......33% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 25 MPH.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......4800 FT AGL (30-40TH PERCENTILE).  
CLEARING INDEX......550.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). SCATTERED RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................40%.  
MIN TEMPERATURE.....49-55 NEAR 5000 FEET.  
44-54 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........74-84%.  
24 HR TREND......29% WETTER NEAR 5000 FEET.  
24% WETTER NEAR 8000 FEET.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 35 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....76-82 NEAR 5000 FEET.  
65-72 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........28-38%.  
24 HR TREND......12% DRIER NEAR 5000 FEET.  
18% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 25 MPH.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
MIXING HEIGHT.......8500 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE  
LOWER 80S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. 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 MID 50S. HIGHS IN THE UPPER 80S IN THE VALLEYS AND IN  
THE MID 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. 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.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE MID 80S IN THE VALLEYS AND IN  
THE LOWER 70S IN THE MOUNTAINS.  
=  
 

 
 
UTZ494-070100-  
HENRY MOUNTAINS-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). SCATTERED  
SHOWERS AND THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................10%.  
MAX TEMPERATURE.....81-87 NEAR 5000 FEET.  
66-76 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........21-30% NEAR 5000 FEET.  
33-43% NEAR 8000 FEET.  
24 HR TREND......12% WETTER NEAR 5000 FEET.  
19% WETTER NEAR 8000 FEET.  
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......7500 FT AGL (40-50TH PERCENTILE).  
CLEARING INDEX......960.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....10%.  
CWR.................10%.  
MIN TEMPERATURE.....59-66 NEAR 5000 FEET.  
53-59 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........52-62% NEAR 5000 FEET.  
56-66% NEAR 8000 FEET.  
24 HR TREND......22% WETTER.  
20-FOOT WINDS.......WEST WINDS AROUND 10 MPH BECOMING SOUTH AFTER  
MIDNIGHT.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH BECOMING AROUND 45 MPH  
AFTER MIDNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....82-88 NEAR 5000 FEET.  
66-76 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........20-26% NEAR 5000 FEET.  
29-37% NEAR 8000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
MIXING HEIGHT.......10200 FT AGL (60-70TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. 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 LOWER 70S IN THE MOUNTAINS. SOUTHWEST WINDS AROUND  
15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. 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 CLEAR. 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.    
FRIDAY
 
MOSTLY CLEAR. 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.    
SATURDAY
 
MOSTLY CLEAR. ISOLATED 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.  
=  
 

 
 
UTZ495-070100-  
COLOR COUNTRY WEST DESERT-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN  
SHOWERS UNTIL 1200, THEN NUMEROUS RAIN SHOWERS  
AND ISOLATED THUNDERSTORMS.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................60%.  
MAX TEMPERATURE.....74-81 NEAR 5000 FEET.  
65-71 NEAR 7000 FEET.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........43-53% NEAR 5000 FEET.  
47-57% NEAR 7000 FEET.  
24 HR TREND......37% WETTER.  
20-FOOT WINDS.......SOUTH WINDS 15 TO 20 MPH WITH GUSTS TO AROUND  
35 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH.  
MIXING HEIGHT.......3800 FT AGL (20-30TH PERCENTILE).  
CLEARING INDEX......620.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL  
2400.  
CHANCE LIGHTNING....10% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................20%.  
MIN TEMPERATURE.....47-57.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........85-95% NEAR 5000 FEET.  
75-85% NEAR 7000 FEET.  
24 HR TREND......38% WETTER NEAR 5000 FEET.  
24% WETTER NEAR 7000 FEET.  
20-FOOT WINDS.......SOUTH WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....79-85 NEAR 5000 FEET.  
70-76 NEAR 7000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........23-33%.  
24 HR TREND......25% DRIER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 25  
MPH IN THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
MIXING HEIGHT.......9100 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S IN THE VALLEYS AND IN THE MID 70S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE  
UPPER 80S IN THE VALLEYS AND IN THE UPPER 70S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. 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
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS  
AROUND 60. HIGHS IN THE UPPER 80S IN THE VALLEYS AND AROUND 80 IN  
THE MOUNTAINS.    
SATURDAY
 
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.  
=  
 

 
 
UTZ496-070100-  
COLOR COUNTRY MOUNTAINS-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN  
SHOWERS UNTIL 1200, THEN NUMEROUS RAIN SHOWERS  
AND SCATTERED THUNDERSTORMS.  
CHANCE LIGHTNING....10% INCREASING TO 40% IN THE AFTERNOON.  
CWR.................70%.  
MAX TEMPERATURE.....69-79 NEAR 6000 FEET.  
57-67 NEAR 8000 FEET.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........48-58% NEAR 6000 FEET.  
63-73% NEAR 8000 FEET.  
24 HR TREND......34% WETTER NEAR 6000 FEET.  
44% WETTER NEAR 8000 FEET.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH WITH GUSTS TO  
AROUND 25 MPH.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......5400 FT AGL (30-40TH PERCENTILE).  
CLEARING INDEX......540.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....20% DECREASING TO 0% AFTER MIDNIGHT.  
CWR.................30%.  
MIN TEMPERATURE.....46-56.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........75-85%.  
24 HR TREND......20% WETTER.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 35 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....73-81 NEAR 6000 FEET.  
63-71 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........26-35% NEAR 6000 FEET.  
30-40% NEAR 8000 FEET.  
24 HR TREND......23% DRIER NEAR 6000 FEET.  
33% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 10 MPH. GUSTS UP TO 30  
MPH.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
MIXING HEIGHT.......8100 FT AGL (50-60TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. 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.    
WEDNESDAY
 
MOSTLY CLEAR. 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. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY
 
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 MID 80S IN THE VALLEYS AND IN THE MID 70S  
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
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 MID 80S IN THE VALLEYS AND IN THE MID 70S  
IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLEAR. SCATTERED SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 60 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.  
=  
 

 
 
UTZ497-070100-  
MOJAVE DESERT-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). NUMEROUS RAIN  
SHOWERS. ISOLATED THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10% INCREASING TO 20% IN THE AFTERNOON.  
CWR.................70%.  
MAX TEMPERATURE.....79-85 NEAR 3000 FEET.  
64-71 NEAR 6000 FEET.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........44-53% NEAR 3000 FEET.  
58-68% NEAR 6000 FEET.  
24 HR TREND......35% WETTER NEAR 3000 FEET.  
45% WETTER NEAR 6000 FEET.  
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH BECOMING WEST WITH  
GUSTS TO AROUND 20 MPH IN THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST AROUND 30 MPH BECOMING AROUND 40 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......3000 FT AGL (10-20TH PERCENTILE).  
CLEARING INDEX......260.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). SCATTERED  
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL  
2400.  
CHANCE LIGHTNING....10%.  
CWR.................10%.  
MIN TEMPERATURE.....63-71 NEAR 3000 FEET.  
53-63 NEAR 6000 FEET.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........64-74% NEAR 3000 FEET.  
73-83% NEAR 6000 FEET.  
24 HR TREND......20% WETTER NEAR 3000 FEET.  
15% WETTER NEAR 6000 FEET.  
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH. GUSTS UP TO 20 MPH IN  
THE EVENING.  
12K FT MSL WINDS....SOUTHWEST AROUND 35 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,  
THEN SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....85-91 NEAR 3000 FEET.  
70-77 NEAR 6000 FEET.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........26-30% NEAR 3000 FEET.  
31-38% NEAR 6000 FEET.  
24 HR TREND......22% DRIER NEAR 3000 FEET.  
28% DRIER NEAR 6000 FEET.  
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH BECOMING SOUTHWEST IN  
THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST AROUND 35 MPH.  
MIXING HEIGHT.......7000 FT AGL (30-40TH PERCENTILE).  
CLEARING INDEX......810.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 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.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 70S IN THE VALLEYS  
AND IN THE MID 60S IN THE MOUNTAINS. HIGHS IN THE UPPER 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 70S IN THE VALLEYS AND  
IN THE UPPER 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.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 70S IN THE VALLEYS AND IN  
THE UPPER 60S IN THE MOUNTAINS. HIGHS IN THE UPPER 90S IN THE  
VALLEYS AND IN THE MID 80S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 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.  
=  
 

 
 
UTZ498-070100-  
GRAND STAIRCASE-  
349 AM MDT SUN SEP 6 2026  
 
...FLOOD WATCH IN EFFECT FROM 9 AM MDT THIS MORNING THROUGH THIS  
EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). SCATTERED  
RAIN SHOWERS. SCATTERED THUNDERSTORMS AFTER  
1200.  
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.  
CWR.................30%.  
MAX TEMPERATURE.....81-91 NEAR 4000 FEET.  
71-81 NEAR 6000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........22-32% NEAR 4000 FEET.  
41-51% NEAR 6000 FEET.  
24 HR TREND......12% WETTER NEAR 4000 FEET.  
27% WETTER NEAR 6000 FEET.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN  
THE AFTERNOON.  
12K FT MSL WINDS....SOUTHWEST 25-30 MPH.  
MIXING HEIGHT.......7300 FT AGL (30-40TH PERCENTILE).  
CLEARING INDEX......860.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN  
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 2400.  
CHANCE LIGHTNING....10%.  
CWR.................10%.  
MIN TEMPERATURE.....62-70 NEAR 4000 FEET.  
52-62 NEAR 6000 FEET.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........57-67% NEAR 4000 FEET.  
70-80% NEAR 6000 FEET.  
24 HR TREND......22% WETTER NEAR 4000 FEET.  
30% WETTER NEAR 6000 FEET.  
20-FOOT WINDS.......WEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN  
THE EVENING.  
12K FT MSL WINDS....SOUTHWEST 35-40 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....83-92 NEAR 4000 FEET.  
75-81 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........19-29% NEAR 4000 FEET.  
26-34% NEAR 6000 FEET.  
24 HR TREND......UNCHANGED NEAR 4000 FEET.  
15% DRIER NEAR 6000 FEET.  
20-FOOT WINDS.......SOUTHWEST WINDS 10 TO 15 MPH. GUSTS UP TO 30  
MPH.  
12K FT MSL WINDS....SOUTHWEST 30-35 MPH.  
MIXING HEIGHT.......9000 FT AGL (40-50TH PERCENTILE).  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S IN THE VALLEYS AND  
IN THE MID 50S IN THE MOUNTAINS. HIGHS IN THE LOWER 90S IN THE  
VALLEYS AND IN THE LOWER 80S IN THE MOUNTAINS. WEST WINDS AROUND  
15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. 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 MID 80S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS AROUND 70 IN THE VALLEYS AND IN  
THE LOWER 60S IN THE MOUNTAINS. HIGHS IN THE MID 90S IN THE  
VALLEYS AND IN THE UPPER 80S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 60S IN THE VALLEYS AND  
IN THE LOWER 60S IN THE MOUNTAINS. HIGHS IN THE MID 90S IN THE  
VALLEYS AND IN THE MID 80S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.  
LOWS IN THE UPPER 60S 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.  
=  
 

 
 
.8-14 DAY OUTLOOK FOR SUNDAY SEPTEMBER 13 TO SATURDAY SEPTEMBER 19  
TEMPERATURE... ABOVE NORMAL  
PRECIPITATION... ABOVE NORMAL  
=  
 

 
 
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