457  
FNUS55 KSLC 042057  
FWFSLC  
 
FIRE WEATHER PLANNING FORECAST FOR UTAH  
NATIONAL WEATHER SERVICE SALT LAKE CITY UT  
257 PM MDT SAT OCT 4 2025  
   
..HEADLINE
 
TEMPERATURES GRADUALLY WARM THROUGHOUT THE WEEK WITH  
DRIER CONDITIONS SETTLING IN ON MONDAY...  
   
BROADCAST DISCUSSION
 
WIDESPREAD SHOWERS WITH SNOW ABOVE 9000FT  
CONTINUE THIS EVENING ACROSS NORTHERN UT BEFORE DIMINISHING LATER  
THIS EVENING. OTHER THAN SCATTERED SHOWERS ACROSS NORTHERN UT  
TOMORROW AFTERNOON, A DRY PATTERN SETTLES IN THROUGH FRIDAY BEFORE  
MOISTURE RETURNS ONCE AGAIN.  
   
DISCUSSION
 
THE STORM SYSTEM CONTINUES TO MOVE EAST THROUGH  
TODAY WHICH HAS PROVIDED A WETTING RAIN ACROSS THE MAJORITY OF  
NORTHERN UT WITH A WIDESPREAD 1-2" OF RAIN ON AVERAGE REPORTED.  
ADDITIONALLY, SNOW IS CURRENTLY ONGOING ACROSS ELEVATIONS GENERALLY  
GREATER THAN 9000FT WITH LIGHT RAIN ONGOING ACROSS LOWER ELEVATIONS.  
LATER TONIGHT, CONDITIONS ARE EXPECTED TO DRY OUT WITH ANOTHER ROUND  
OF SHOWERS AND THUNDERSTORMS TOMORROW AFTERNOON ACROSS NORTHERN UT.  
A DRY PATTERN SETTLES IN ACROSS THE STATE THROUGH AT LEAST FRIDAY,  
THOUGH CHANCES FOR RAIN DEVELOP ONCE AGAIN ON FRIDAY ACROSS THE  
MAJORITY OF THE STATE AS MOISTURE MOVES IN FROM THE SOUTH.  
 
***THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS***  
***ALL WINDS ARE 20 FOOT, 10-MINUTE AVERAGES***  
 
UTZ478-051215-  
SALT LAKE DESERT-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........NORTH OF I-80, MOSTLY CLOUDY (80-90% CLOUD  
COVER), SOUTH OF I-80, MOSTLY CLOUDY (75-85%  
CLOUD COVER) UNTIL 2400, THEN PARTLY CLOUDY  
(40-50% CLOUD COVER), SCATTERED RAIN SHOWERS  
UNTIL 2400.  
CHANCE LIGHTNING....10%.  
CWR.................20% NORTH OF I-80 AND 10% SOUTH OF I-80.  
MIN TEMPERATURE.....35-45 NEAR 5000 FEET.  
31-37 NEAR 8000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........73-83% NEAR 5000 FEET.  
78-88% NEAR 8000 FEET.  
24 HR TREND......6% DRIER NEAR 5000 FEET.  
13% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST 15-20 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). NORTH OF  
I-80, SCATTERED RAIN SHOWERS AFTER 1200.  
CHANCE LIGHTNING....10%.  
CWR.................10% NORTH OF I-80 AND 0% SOUTH OF I-80.  
MAX TEMPERATURE.....52-59 NEAR 5000 FEET.  
38-46 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........47-57% NEAR 5000 FEET.  
63-73% NEAR 8000 FEET.  
24 HR TREND......9% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......5900 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......430.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MIN TEMPERATURE.....33-43 NEAR 5000 FEET.  
31-37 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........75-85% NEAR 5000 FEET.  
81-91% NEAR 8000 FEET.  
24 HR TREND......3% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 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.....56-62 NEAR 5000 FEET.  
41-48 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........37-47% NEAR 5000 FEET.  
52-62% NEAR 8000 FEET.  
24 HR TREND......8% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......6100 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......470.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S IN THE VALLEYS AND  
IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN THE  
VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
UPPER 60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 70 IN  
THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS AROUND 70 IN  
THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
UPPER 40S. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE MID  
50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ479-051215-  
WASATCH MOUNTAINS-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). NORTH OF I-80,  
RAIN SHOWERS AND SNOW SHOWERS UNTIL 2400, THEN  
SCATTERED RAIN AND SNOW SHOWERS. SOUTH OF I-80,  
SCATTERED SNOW SHOWERS UNTIL 2400. SCATTERED  
RAIN SHOWERS.  
CHANCE LIGHTNING....10%.  
CWR.................50% NORTH OF I-80 AND 30% SOUTH OF I-80.  
MIN TEMPERATURE.....32-42 NEAR 5000 FEET.  
26-36 NEAR 8000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........87-97% NEAR 5000 FEET.  
79-89% NEAR 8000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 30 MPH BECOMING AROUND 20 MPH AFTER  
MIDNIGHT.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). NORTH OF  
I-80, SCATTERED RAIN AND SNOW SHOWERS. ISOLATED  
THUNDERSTORMS AFTER 1200. SOUTH OF I-80,  
SCATTERED RAIN AND SNOW SHOWERS AFTER 1200.  
CHANCE LIGHTNING....10%.  
CWR.................20% NORTH OF I-80 AND 10% SOUTH OF I-80.  
MAX TEMPERATURE.....51-59 NEAR 5000 FEET.  
42-52 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........54-64% NEAR 5000 FEET.  
60-70% NEAR 8000 FEET.  
24 HR TREND......24% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......6100 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......450.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% 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.....30-40.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........82-92% NEAR 5000 FEET.  
75-85% NEAR 8000 FEET.  
24 HR TREND......4% DRIER NEAR 5000 FEET.  
9% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (30-40% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MAX TEMPERATURE.....55-64 NEAR 5000 FEET.  
45-55 NEAR 8000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........39-49% NEAR 5000 FEET.  
43-53% NEAR 8000 FEET.  
24 HR TREND......15% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......7400 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......460.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED RAIN SHOWERS. LOWS AROUND 40.  
HIGHS IN THE LOWER 70S IN THE VALLEYS AND AROUND 60 IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE UPPER  
50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ480-051215-  
UINTA MOUNTAINS-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NUMEROUS RAIN  
SHOWERS UNTIL 2400. SCATTERED SNOW SHOWERS.  
SCATTERED RAIN SHOWERS AFTER 2400.  
CHANCE LIGHTNING....10%.  
CWR.................50%.  
MIN TEMPERATURE.....32-38 NEAR 7000 FEET.  
22-32 NEAR 9000 FEET.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........85-95%.  
24 HR TREND......3% DRIER NEAR 7000 FEET.  
6% WETTER NEAR 9000 FEET.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 30 MPH  
IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY  
5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 35 MPH BECOMING AROUND 20 MPH AFTER  
MIDNIGHT.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). SCATTERED  
RAIN AND SNOW SHOWERS AFTER 1200.  
CHANCE LIGHTNING....10%.  
CWR.................20%.  
MAX TEMPERATURE.....47-54 NEAR 7000 FEET.  
40-46 NEAR 9000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........56-66%.  
24 HR TREND......24% DRIER NEAR 7000 FEET.  
8% DRIER NEAR 9000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......5500 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......490.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). ISOLATED  
SNOW SHOWERS UNTIL 2400.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MIN TEMPERATURE.....29-35 NEAR 7000 FEET.  
20-30 NEAR 9000 FEET.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........77-87% NEAR 7000 FEET.  
83-93% NEAR 9000 FEET.  
24 HR TREND......12% DRIER NEAR 7000 FEET.  
2% DRIER NEAR 9000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (50-60% CLOUD COVER).  
ISOLATED SNOW SHOWERS AFTER 1200.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MAX TEMPERATURE.....51-58 NEAR 7000 FEET.  
44-50 NEAR 9000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........42-48% NEAR 7000 FEET.  
46-56% NEAR 9000 FEET.  
24 HR TREND......12% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......7000 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......680.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S IN THE VALLEYS AND  
IN THE UPPER 20S IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN THE  
VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE MID 60S IN  
THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S IN THE VALLEYS  
AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE MID 60S IN THE  
VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
LOWER 40S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS.  
HIGHS IN THE MID 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
IN THE MID 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE  
MOUNTAINS. HIGHS IN THE MID 60S IN THE VALLEYS AND IN THE MID 50S  
IN THE MOUNTAINS.  
=  
 

 
 
UTZ481-051215-  
WESTERN ASHLEY NATIONAL FOREST-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN AND  
SNOW SHOWERS UNTIL 2400, THEN ISOLATED SNOW  
SHOWERS.  
CHANCE LIGHTNING....10%.  
CWR.................20%.  
MIN TEMPERATURE.....31-37 NEAR 7000 FEET.  
21-30 NEAR 10000 FEET.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........74-84% NEAR 7000 FEET.  
81-91% NEAR 10000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......NORTHWEST AROUND 15 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 5-10 MPH. GUSTS UP TO 30  
MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 30 MPH BECOMING AROUND 15 MPH  
AFTER MIDNIGHT.  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). SCATTERED  
SNOW SHOWERS, RAIN SHOWERS AND ISOLATED  
THUNDERSTORMS AFTER 1200.  
CHANCE LIGHTNING....10%.  
CWR.................20%.  
MAX TEMPERATURE.....50-57 NEAR 7000 FEET.  
38-46 NEAR 10000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........43-53% NEAR 7000 FEET.  
55-65% NEAR 10000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHWEST AROUND 10  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......5600 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......470.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). ISOLATED  
SNOW SHOWERS UNTIL 2400.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MIN TEMPERATURE.....31-37 NEAR 7000 FEET.  
19-29 NEAR 10000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........64-74% NEAR 7000 FEET.  
74-84% NEAR 10000 FEET.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER). ISOLATED  
SNOW SHOWERS AFTER 1200.  
CHANCE LIGHTNING....10%.  
CWR.................10%.  
MAX TEMPERATURE.....53-60 NEAR 7000 FEET.  
41-48 NEAR 10000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........35-41% NEAR 7000 FEET.  
44-54% NEAR 10000 FEET.  
24 HR TREND......12% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......8000 FT AGL.  
CLIMATOLOGY......50-60TH PERCENTILE.  
CLEARING INDEX......940.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S IN THE VALLEYS AND  
IN THE UPPER 20S IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN THE  
VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. WINDS GENERALLY LESS  
THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S IN THE VALLEYS  
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN  
THE VALLEYS AND AROUND 50 IN THE MOUNTAINS. WINDS GENERALLY LESS  
THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S IN THE VALLEYS  
AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE MID 60S IN THE  
VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
LOWER 40S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS.  
HIGHS IN THE MID 60S IN THE VALLEYS AND IN THE LOWER 50S IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN AND SNOW SHOWERS. LOWS  
IN THE MID 40S IN THE VALLEYS AND IN THE MID 30S IN THE  
MOUNTAINS. HIGHS IN THE LOWER 60S IN THE VALLEYS AND IN THE UPPER  
40S IN THE MOUNTAINS.  
=  
 

 
 
UTZ482-051215-  
WESTERN UINTAH BASIN-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER). SCATTERED  
RAIN SHOWERS UNTIL 2400.  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MIN TEMPERATURE.....29-39.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........77-87%.  
24 HR TREND......2% WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 35 MPH  
IN THE EVENING BECOMING DOWNSLOPE/DOWNVALLEY  
5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 35 MPH BECOMING NORTHWEST AROUND 15  
MPH AFTER MIDNIGHT.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....10%.  
CWR.................0%.  
MAX TEMPERATURE.....55-61 NEAR 6000 FEET.  
47-53 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........37-47%.  
24 HR TREND......7% DRIER NEAR 6000 FEET.  
13% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......7400 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......640.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....29-39.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........65-75% NEAR 6000 FEET.  
60-70% NEAR 8000 FEET.  
24 HR TREND......10% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....58-64 NEAR 6000 FEET.  
50-56 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........32-42%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......8200 FT AGL.  
CLIMATOLOGY......50-60TH PERCENTILE.  
CLEARING INDEX......750.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 60S IN THE VALLEYS AND AROUND 60 IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND  
70 IN THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE LOWER 60S  
IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
MID 40S. HIGHS IN THE MID 60S IN THE VALLEYS AND IN THE UPPER 50S  
IN THE MOUNTAINS.  
=  
 

 
 
UTZ483-051215-  
SOUTHERN ASHLEY NATIONAL FOREST-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................10%.  
MIN TEMPERATURE.....29-39.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........69-79% NEAR 7000 FEET.  
75-85% NEAR 9000 FEET.  
24 HR TREND......8% WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 30 MPH.  
12K FT MSL WINDS....WEST AROUND 35 MPH BECOMING NORTHWEST AROUND 20  
MPH AFTER MIDNIGHT.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (70-80% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....53-59 NEAR 7000 FEET.  
44-50 NEAR 9000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........37-43% NEAR 7000 FEET.  
44-54% NEAR 9000 FEET.  
24 HR TREND......5% DRIER NEAR 7000 FEET.  
14% DRIER NEAR 9000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 20 MPH  
IN THE AFTERNOON.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......7000 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......650.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....30-40.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........63-73%.  
24 HR TREND......10% DRIER NEAR 7000 FEET.  
16% DRIER NEAR 9000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH BECOMING AROUND 20 MPH  
AFTER MIDNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....54-60 NEAR 7000 FEET.  
47-53 NEAR 9000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........33-41% NEAR 7000 FEET.  
41-51% NEAR 9000 FEET.  
24 HR TREND......3% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......7300 FT AGL.  
CLIMATOLOGY......50-60TH PERCENTILE.  
CLEARING INDEX......600.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S  
IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
UPPER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S IN THE VALLEYS AND IN THE MID 50S IN  
THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
MID 40S. HIGHS IN THE MID 60S IN THE VALLEYS AND IN THE MID 50S  
IN THE MOUNTAINS.  
=  
 

 
 
UTZ484-051215-  
TAVAPUTS PLATEAU-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....36-42 NEAR 6000 FEET.  
30-39 NEAR 8000 FEET.  
24 HR TREND......8 DEGREES COOLER.  
MAX HUMIDITY........65-75% NEAR 6000 FEET.  
74-84% NEAR 8000 FEET.  
24 HR TREND......6% WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 5-10 MPH. GUSTS UP TO 30  
MPH.  
12K FT MSL WINDS....WEST AROUND 30 MPH BECOMING AROUND 15 MPH AFTER  
MIDNIGHT.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,  
THEN PARTLY SUNNY (55-65% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....59-65 NEAR 6000 FEET.  
49-55 NEAR 8000 FEET.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........34-44%.  
24 HR TREND......2% WETTER NEAR 6000 FEET.  
8% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......7400 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......640.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....37-45 NEAR 6000 FEET.  
32-42 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........59-69%.  
24 HR TREND......6% DRIER NEAR 6000 FEET.  
14% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH BECOMING AROUND 20 MPH  
AFTER MIDNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....60-66 NEAR 6000 FEET.  
53-59 NEAR 8000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........32-42%.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......7900 FT AGL.  
CLIMATOLOGY......50-60TH PERCENTILE.  
CLEARING INDEX......670.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S IN THE VALLEYS AND  
IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE MID 60S IN THE  
VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
UPPER 60S IN THE VALLEYS AND AROUND 60 IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S IN THE VALLEYS AND  
IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN THE  
VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S IN THE VALLEYS AND AROUND 60 IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
MID 40S. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE UPPER  
50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ488-051215-  
MANTI NATIONAL FOREST-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....32-39 NEAR 6500 FEET.  
25-35 NEAR 8500 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........77-87%.  
24 HR TREND......5% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 25-30 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,  
THEN MOSTLY CLOUDY (65-75% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....52-60 NEAR 6500 FEET.  
43-51 NEAR 8500 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........35-45% NEAR 6500 FEET.  
42-52% NEAR 8500 FEET.  
24 HR TREND......15% DRIER NEAR 6500 FEET.  
22% DRIER NEAR 8500 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......6300 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......530.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....32-42 NEAR 6500 FEET.  
27-37 NEAR 8500 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........65-75% NEAR 6500 FEET.  
73-83% NEAR 8500 FEET.  
24 HR TREND......15% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....56-63 NEAR 6500 FEET.  
47-55 NEAR 8500 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........30-38% NEAR 6500 FEET.  
35-45% NEAR 8500 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......7600 FT AGL.  
CLIMATOLOGY......50-60TH PERCENTILE.  
CLEARING INDEX......720.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S IN THE VALLEYS AND  
IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN THE  
VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS GENERALLY LESS  
THAN 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S IN THE VALLEYS  
AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE MID 60S IN  
THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S IN THE VALLEYS  
AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 60S IN  
THE VALLEYS AND AROUND 60 IN THE MOUNTAINS. WINDS GENERALLY LESS  
THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE MID  
40S IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS. HIGHS IN THE  
UPPER 60S IN THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
MID 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.  
HIGHS IN THE MID 60S IN THE VALLEYS AND IN THE MID 50S IN THE  
MOUNTAINS.  
=  
 

 
 
UTZ489-051215-  
SAN RAFAEL SWELL-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....38-44 NEAR 5000 FEET.  
34-42 NEAR 7000 FEET.  
24 HR TREND......9 DEGREES COOLER.  
MAX HUMIDITY........64-74% NEAR 5000 FEET.  
68-78% NEAR 7000 FEET.  
24 HR TREND......17% WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 15 MPH IN THE EVENING BECOMING  
DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 20-25 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....64-70 NEAR 5000 FEET.  
53-59 NEAR 7000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........24-31% NEAR 5000 FEET.  
31-37% NEAR 7000 FEET.  
24 HR TREND......3% WETTER NEAR 5000 FEET.  
2% DRIER NEAR 7000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......7200 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......470.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....37-47.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........57-67%.  
24 HR TREND......14% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (20-30% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....67-73 NEAR 5000 FEET.  
57-63 NEAR 7000 FEET.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........20-27% NEAR 5000 FEET.  
25-32% NEAR 7000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......8200 FT AGL.  
CLIMATOLOGY......50-60TH PERCENTILE.  
CLEARING INDEX......660.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
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.    
THURSDAY
 
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.    
FRIDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S IN  
THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
UPPER 40S. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER  
60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ492-051215-  
CENTRAL UTAH WEST DESERT-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....33-43 NEAR 5000 FEET.  
28-38 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........74-84%.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55% CLOUD COVER) UNTIL 1200,  
THEN PARTLY CLOUDY (45-55% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....57-65 NEAR 5000 FEET.  
44-51 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........32-42% NEAR 5000 FEET.  
42-52% NEAR 8000 FEET.  
24 HR TREND......13% DRIER NEAR 5000 FEET.  
26% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......6400 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......530.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....32-42 NEAR 5000 FEET.  
28-38 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........70-80%.  
24 HR TREND......UNCHANGED NEAR 5000 FEET.  
12% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,  
THEN SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....58-66 NEAR 5000 FEET.  
45-54 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........32-42% NEAR 5000 FEET.  
40-50% NEAR 8000 FEET.  
24 HR TREND......1% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......6600 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......600.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 70S  
IN THE VALLEYS AND AROUND 60 IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
70S IN THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. ISOLATED RAIN SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER 60S IN  
THE MOUNTAINS.    
SATURDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
UPPER 40S. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE UPPER  
50S IN THE MOUNTAINS.  
=  
 

 
 
UTZ493-051215-  
CENTRAL UTAH MOUNTAINS-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....31-37 NEAR 5000 FEET.  
26-36 NEAR 8000 FEET.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........87-97% NEAR 5000 FEET.  
79-89% NEAR 8000 FEET.  
24 HR TREND......3% WETTER NEAR 5000 FEET.  
13% WETTER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 15-20 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (20-30% CLOUD COVER) UNTIL 1200, THEN  
PARTLY SUNNY (50-60% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....61-67 NEAR 5000 FEET.  
49-59 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........33-43%.  
24 HR TREND......19% DRIER NEAR 5000 FEET.  
14% DRIER NEAR 8000 FEET.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......7600 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......630.  
   
SUNDAY 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.....29-39.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........78-88% NEAR 5000 FEET.  
67-77% NEAR 8000 FEET.  
24 HR TREND......13% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (30-40% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....64-70 NEAR 5000 FEET.  
52-62 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........29-39%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......8400 FT AGL.  
CLIMATOLOGY......50-60TH PERCENTILE.  
CLEARING INDEX......700.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
70S IN THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
CLEAR. LOWS AROUND 40. HIGHS IN THE MID 70S IN THE  
VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS. WINDS GENERALLY  
LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
UPPER 70S IN THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER  
60S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
MID 40S. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER 60S  
IN THE MOUNTAINS.  
=  
 

 
 
UTZ494-051215-  
HENRY MOUNTAINS-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....40-48 NEAR 5000 FEET.  
37-43 NEAR 8000 FEET.  
24 HR TREND......9 DEGREES COOLER.  
MAX HUMIDITY........55-65%.  
24 HR TREND......16% WETTER NEAR 5000 FEET.  
10% WETTER NEAR 8000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (30-40% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....66-72 NEAR 5000 FEET.  
51-61 NEAR 8000 FEET.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........20-26% NEAR 5000 FEET.  
31-41% NEAR 8000 FEET.  
24 HR TREND......4% WETTER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......7200 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......500.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,  
THEN MOSTLY CLEAR (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....37-47.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........43-53% NEAR 5000 FEET.  
42-49% NEAR 8000 FEET.  
24 HR TREND......11% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH BECOMING AROUND 20 MPH  
AFTER MIDNIGHT.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (15-25% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....68-74 NEAR 5000 FEET.  
54-64 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........16-22% NEAR 5000 FEET.  
23-32% NEAR 8000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......7600 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......580.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
70S IN THE VALLEYS AND AROUND 60 IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S  
IN THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS. WINDS  
GENERALLY LESS THAN 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 70S IN THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS.  
WINDS GENERALLY LESS THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. ISOLATED RAIN SHOWERS. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE LOWER 60S IN  
THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
LOWER 50S. HIGHS IN THE MID 70S IN THE VALLEYS AND AROUND 60 IN  
THE MOUNTAINS.  
=  
 

 
 
UTZ495-051215-  
COLOR COUNTRY WEST DESERT-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,  
THEN PARTLY CLOUDY (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....32-42.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........78-88% NEAR 5000 FEET.  
73-83% NEAR 7000 FEET.  
24 HR TREND......11% WETTER NEAR 5000 FEET.  
1% DRIER NEAR 7000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER). AREAS OF  
FROST UNTIL 1200.  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....63-69 NEAR 5000 FEET.  
54-61 NEAR 7000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........27-37%.  
24 HR TREND......6% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......6900 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......630.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....33-43.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........76-86% NEAR 5000 FEET.  
63-73% NEAR 7000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....64-70 NEAR 5000 FEET.  
54-63 NEAR 7000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........28-32% NEAR 5000 FEET.  
31-41% NEAR 7000 FEET.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......7000 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......790.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
CLEAR. LOWS IN THE MID 30S IN THE VALLEYS AND IN THE  
UPPER 30S IN THE MOUNTAINS. HIGHS AROUND 70 IN THE VALLEYS AND IN  
THE LOWER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.   
WEDNESDAY
 
CLEAR. LOWS IN THE MID 30S 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
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S 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. SOUTH WINDS  
AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
LOWER 40S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.  
HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE UPPER 60S IN THE  
MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
MID 40S 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.  
=  
 

 
 
UTZ496-051215-  
COLOR COUNTRY MOUNTAINS-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....31-41.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........70-80%.  
24 HR TREND......8% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER) UNTIL 1200, THEN  
PARTLY CLOUDY (35-45% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....62-69 NEAR 6000 FEET.  
53-60 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........25-32% NEAR 6000 FEET.  
29-37% NEAR 8000 FEET.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 10 MPH.  
MIXING HEIGHT.......7400 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......610.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....33-43.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........67-77% NEAR 6000 FEET.  
62-72% NEAR 8000 FEET.  
24 HR TREND......14% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....63-71 NEAR 6000 FEET.  
55-63 NEAR 8000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........21-31%.  
24 HR TREND......5% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......9100 FT AGL.  
CLIMATOLOGY......60-70TH PERCENTILE.  
CLEARING INDEX......760.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
CLEAR. LOWS IN THE LOWER 40S IN THE VALLEYS AND IN THE  
MID 30S IN THE MOUNTAINS. HIGHS AROUND 70 IN THE VALLEYS AND IN  
THE LOWER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.   
WEDNESDAY
 
CLEAR. LOWS IN THE MID 40S IN THE VALLEYS AND IN THE  
UPPER 30S 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.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S IN THE VALLEYS AND  
IN THE LOWER 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.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
UPPER 40S 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.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS AROUND  
50 IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. HIGHS  
AROUND 70 IN THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS.  
=  
 

 
 
UTZ497-051215-  
MOJAVE DESERT-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....50-60 NEAR 3000 FEET.  
41-51 NEAR 6000 FEET.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........46-56% NEAR 3000 FEET.  
51-61% NEAR 6000 FEET.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....NORTHWEST AROUND 15 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....74-80 NEAR 3000 FEET.  
61-67 NEAR 6000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........19-23% NEAR 3000 FEET.  
25-31% NEAR 6000 FEET.  
24 HR TREND......7% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST 10-15 MPH.  
MIXING HEIGHT.......7300 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......530.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....51-61 NEAR 3000 FEET.  
42-52 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........39-49% NEAR 3000 FEET.  
43-53% NEAR 6000 FEET.  
24 HR TREND......9% DRIER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (0-10% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....78-84 NEAR 3000 FEET.  
63-70 NEAR 6000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........16-20% NEAR 3000 FEET.  
20-28% NEAR 6000 FEET.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 25 MPH  
IN THE MORNING.  
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH IN THE MORNING BECOMING  
LIGHT AND VARIABLE.  
MIXING HEIGHT.......8700 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......1000+.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
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 AROUND 70 IN THE MOUNTAINS. NORTHEAST WINDS AROUND 15 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE UPPER 50S IN THE VALLEYS AND IN  
THE UPPER 40S 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 IN THE UPPER 50S IN THE VALLEYS  
AND IN THE LOWER 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
 
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.   
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE  
LOWER 60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS.  
HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE UPPER 60S IN THE  
MOUNTAINS.  
=  
 

 
 
UTZ498-051215-  
GRAND STAIRCASE-  
257 PM MDT SAT OCT 4 2025  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....44-53 NEAR 4000 FEET.  
35-45 NEAR 6000 FEET.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........48-58% NEAR 4000 FEET.  
61-71% NEAR 6000 FEET.  
24 HR TREND......8% WETTER.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....WEST AROUND 15 MPH.  
   
SUNDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....69-76 NEAR 4000 FEET.  
63-71 NEAR 6000 FEET.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........17-27%.  
24 HR TREND......2% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......7000 FT AGL.  
CLIMATOLOGY......30-40TH PERCENTILE.  
CLEARING INDEX......510.  
   
SUNDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MIN TEMPERATURE.....45-53 NEAR 4000 FEET.  
37-47 NEAR 6000 FEET.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........39-49% NEAR 4000 FEET.  
48-58% NEAR 6000 FEET.  
24 HR TREND......8% DRIER NEAR 4000 FEET.  
13% DRIER NEAR 6000 FEET.  
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (5-15% CLOUD COVER).  
CHANCE LIGHTNING....0%.  
CWR.................0%.  
MAX TEMPERATURE.....72-79 NEAR 4000 FEET.  
65-74 NEAR 6000 FEET.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........13-23%.  
24 HR TREND......4% DRIER.  
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.  
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.  
MIXING HEIGHT.......8200 FT AGL.  
CLIMATOLOGY......40-50TH PERCENTILE.  
CLEARING INDEX......570.  
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
CLEAR. LOWS AROUND 50 IN THE VALLEYS AND IN THE LOWER  
40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE VALLEYS AND  
IN THE LOWER 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN  
15 MPH.    
WEDNESDAY
 
CLEAR. LOWS IN THE LOWER 50S IN THE VALLEYS AND IN  
THE MID 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 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 50S IN THE VALLEYS AND  
IN THE MID 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 80S IN THE  
VALLEYS AND IN THE MID 70S IN THE MOUNTAINS. WINDS GENERALLY LESS  
THAN 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. 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 LOWER 70S IN THE MOUNTAINS.    
SATURDAY
 
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. 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.  
=  
 

 
 
.8-14 DAY OUTLOOK FOR SUNDAY OCTOBER 12 TO SATURDAY OCTOBER 18  
TEMPERATURE... ABOVE NORMAL  
PRECIPITATION... ABOVE NORMAL  
=  
 

 
 
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