346
FNUS55 KSLC 201854
FWFSLC
FIRE WEATHER PLANNING FORECAST FOR UTAH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1254 PM MDT SUN SEP 20 2026
...DRY AND STABLE BEFORE WIDESPREAD SHOWERS AND STORMS LATE MONDAY/TUESDAY...
BROADCAST DISCUSSION
DRY AND STABLE CONDITIONS WITH COOL
TEMPERATURES WILL CONTINUE UNTIL A LOW PRESSURE SYSTEM MOVES
INTO THE REGION LATE MONDAY PRODUCING SHOWERS AND THUNDERSTORMS
STARTING IN SOUTHERN UTAH AND MOVING INTO NORTHERN UTAH BY TUESDAY.
DISCUSSION
COOL, DRY, AND STABLE CONDITIONS WILL CONTINUE AREAWIDE UNTIL MONDAY
EVENING WHEN SHOWERS AND STORMS MOVE INTO SOUTHERN UTAH THANKS TO
AN AREA OF LOW PRESSURE MOVING INTO THE GREAT BASIN. THESE STORMS
WILL BE MOVING FROM SOUTH TO NORTH, ARRIVING IN NORTHERN UTAH ON
TUESDAY. THESE STORMS WILL BE FAST MOVING, BUT RAINFALL RATES WILL
BE HIGH ENOUGH TO QUICKLY PRODUCE WETTING RAINS. SOME STRONG
STORMS WILL BE EMBEDDED WITHIN THE COMPLEX WHICH WILL BE CAPABLE
OF STRONG AND ERRATIC WINDS, FREQUENT LIGHTNING, AND SOME HAIL.
CONDITIONS BECOME MOSTLY DRY AND STABLE BY WEDNESDAY, EXCEPT FOR
AREAS OF EASTERN UTAH THAT HOLD ON TO MOISTURE, WITH NEAR NORMAL
CONDITIONS PERSISTING THROUGH THE REMAINDER OF THE WEEK.
***THUNDERSTORMS IMPLY STRONG, GUSTY AND ERRATIC WINDS***
***ALL WINDS ARE 20 FOOT, 10-MINUTE AVERAGES***
UTZ478-211215-
SALT LAKE DESERT-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....43-53 NEAR 5000 FEET.
41-48 NEAR 8000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........56-66%.
24 HR TREND......10% DRIER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 10 MPH.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER) UNTIL 1200,
THEN PARTLY CLOUDY (45-55% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....70-80 NEAR 5000 FEET.
60-66 NEAR 8000 FEET.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........19-29% NEAR 5000 FEET.
28-38% NEAR 8000 FEET.
24 HR TREND......6% DRIER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH.
12K FT MSL WINDS....WEST AROUND 10 MPH.
MIXING HEIGHT.......6100 FT AGL (30-40TH PERCENTILE).
CLEARING INDEX......350.
MONDAY NIGHT
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SOUTH OF I-80,
SCATTERED RAIN SHOWERS AFTER 2400.
CHANCE LIGHTNING....0%.
CWR.................0% NORTH OF I-80 AND 10% SOUTH OF I-80.
MIN TEMPERATURE.....48-58 NEAR 5000 FEET.
47-53 NEAR 8000 FEET.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........47-57% NEAR 5000 FEET.
55-65% NEAR 8000 FEET.
24 HR TREND......9% DRIER NEAR 5000 FEET.
4% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.
TUESDAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). NORTH OF I-80,
SCATTERED RAIN SHOWERS. ISOLATED THUNDERSTORMS
AFTER 1200. SOUTH OF I-80, SCATTERED RAIN
SHOWERS UNTIL 1200, THEN NUMEROUS RAIN SHOWERS
AND ISOLATED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 20% IN THE AFTERNOON.
CWR.................10% NORTH OF I-80 AND 30% SOUTH OF I-80.
MAX TEMPERATURE.....69-77 NEAR 5000 FEET.
57-63 NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........33-43% NEAR 5000 FEET.
42-52% NEAR 8000 FEET.
24 HR TREND......13% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTH 20-25 MPH.
MIXING HEIGHT.......7600 FT AGL (30-40TH PERCENTILE).
CLEARING INDEX......630.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. SCATTERED RAIN SHOWERS. LOWS IN THE
LOWER 50S. 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 50S IN THE VALLEYS
AND IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN
THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
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 UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
SATURDAY
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 MID 60S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S IN THE VALLEYS AND
IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE
VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS.
=
UTZ479-211215-
WASATCH MOUNTAINS-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....37-47.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........72-82% NEAR 5000 FEET.
62-72% NEAR 8000 FEET.
24 HR TREND......9% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH BECOMING EAST
AFTER MIDNIGHT.
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING WEST AROUND 10 MPH
AFTER MIDNIGHT.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....71-80 NEAR 5000 FEET.
61-71 NEAR 8000 FEET.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........22-32%.
24 HR TREND......10% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH BECOMING WEST IN
THE AFTERNOON.
12K FT MSL WINDS....WEST AROUND 10 MPH.
MIXING HEIGHT.......7300 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......520.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....43-53.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........59-69%.
24 HR TREND......16% DRIER NEAR 5000 FEET.
10% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.
TUESDAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). NORTH OF I-80,
SCATTERED RAIN SHOWERS UNTIL 1200, THEN
NUMEROUS RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTH OF I-80, SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 1200,
THEN NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................40% NORTH OF I-80 AND 60% SOUTH OF I-80.
MAX TEMPERATURE.....69-78 NEAR 5000 FEET.
59-69 NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........37-47% NEAR 5000 FEET.
46-56% NEAR 8000 FEET.
24 HR TREND......20% WETTER NEAR 5000 FEET.
25% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH BECOMING SOUTHWEST
WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......6300 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......770.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE LOWER 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 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
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.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER
70S IN THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
70S IN THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS.
=
UTZ480-211215-
UINTA MOUNTAINS-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....36-42 NEAR 7000 FEET.
28-38 NEAR 9000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........66-76% NEAR 7000 FEET.
78-88% NEAR 9000 FEET.
24 HR TREND......7% DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH BECOMING SOUTHEAST
AFTER MIDNIGHT.
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHWEST AROUND 10
MPH AFTER MIDNIGHT.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (55-65% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....68-74 NEAR 7000 FEET.
60-66 NEAR 9000 FEET.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........23-27% NEAR 7000 FEET.
26-36% NEAR 9000 FEET.
24 HR TREND......9% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH BECOMING WEST WITH
GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.
MIXING HEIGHT.......7000 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......650.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....42-48 NEAR 7000 FEET.
34-44 NEAR 9000 FEET.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........58-68% NEAR 7000 FEET.
68-78% NEAR 9000 FEET.
24 HR TREND......13% DRIER.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). SCATTERED
RAIN SHOWERS UNTIL 1200, THEN RAIN SHOWERS AND
SCATTERED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................60%.
MAX TEMPERATURE.....65-71 NEAR 7000 FEET.
57-63 NEAR 9000 FEET.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........43-47% NEAR 7000 FEET.
50-60% NEAR 9000 FEET.
24 HR TREND......21% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......6100 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......930.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE LOWER 40S IN THE VALLEYS AND IN THE
MID 30S IN THE MOUNTAINS. 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 IN THE VALLEYS
AND IN THE UPPER 30S 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 SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE MID
60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER
60S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER
60S IN THE MOUNTAINS.
=
UTZ481-211215-
WESTERN ASHLEY NATIONAL FOREST-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....39-45 NEAR 7000 FEET.
29-37 NEAR 10000 FEET.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........60-70% NEAR 7000 FEET.
69-79% NEAR 10000 FEET.
24 HR TREND......2% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH.
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHWEST AROUND 10
MPH AFTER MIDNIGHT.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....65-71 NEAR 7000 FEET.
53-59 NEAR 10000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........27-35% NEAR 7000 FEET.
34-44% NEAR 10000 FEET.
24 HR TREND......8% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.
MIXING HEIGHT.......6600 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......560.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....44-50 NEAR 7000 FEET.
34-43 NEAR 10000 FEET.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........54-64% NEAR 7000 FEET.
61-71% NEAR 10000 FEET.
24 HR TREND......5% DRIER NEAR 7000 FEET.
11% DRIER NEAR 10000 FEET.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH BECOMING NORTHEAST
AFTER MIDNIGHT.
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTH AROUND 15 MPH
AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). SCATTERED
RAIN SHOWERS UNTIL 1200, THEN RAIN SHOWERS AND
SCATTERED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................60%.
MAX TEMPERATURE.....61-68 NEAR 7000 FEET.
50-56 NEAR 10000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........46-56% NEAR 7000 FEET.
56-65% NEAR 10000 FEET.
24 HR TREND......25% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH WITH GUSTS TO AROUND
25 MPH.
12K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......5400 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......790.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
NUMEROUS RAIN SHOWERS AND SCATTERED THUNDERSTORMS.
LOWS IN THE MID 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.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S IN THE VALLEYS AND
IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 60S IN THE
VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS GENERALLY LESS
THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE
MOUNTAINS. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE MID
50S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE MID 40S IN THE VALLEYS AND IN THE UPPER 30S IN THE
MOUNTAINS. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE MID
50S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 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.
=
UTZ482-211215-
WESTERN UINTAH BASIN-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....37-47.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........68-78% NEAR 6000 FEET.
62-72% NEAR 8000 FEET.
24 HR TREND......4% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH.
12K FT MSL WINDS....WEST AROUND 15 MPH.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....67-73 NEAR 6000 FEET.
61-67 NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........36-42% NEAR 6000 FEET.
28-37% NEAR 8000 FEET.
24 HR TREND......5% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH BECOMING SOUTHEAST
IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......6000 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......380.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....41-51.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........62-72%.
24 HR TREND......10% DRIER NEAR 6000 FEET.
4% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH BECOMING NORTHWEST
AFTER MIDNIGHT.
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). SCATTERED
RAIN SHOWERS UNTIL 1200, THEN NUMEROUS RAIN
SHOWERS AND SCATTERED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................40%.
MAX TEMPERATURE.....66-72 NEAR 6000 FEET.
58-64 NEAR 8000 FEET.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........43-53% NEAR 6000 FEET.
47-57% NEAR 8000 FEET.
24 HR TREND......10% WETTER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH BECOMING SOUTHEAST
WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTH AROUND 20 MPH.
MIXING HEIGHT.......6700 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......810.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN
THE LOWER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S IN THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN
THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S IN THE VALLEYS AND
IN THE MID 60S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN
THE MID 60S IN THE MOUNTAINS.
=
UTZ483-211215-
SOUTHERN ASHLEY NATIONAL FOREST-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....37-47.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........56-62% NEAR 7000 FEET.
60-70% NEAR 9000 FEET.
24 HR TREND......7% DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.
12K FT MSL WINDS....WEST AROUND 15 MPH.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....65-71 NEAR 7000 FEET.
57-63 NEAR 9000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........31-41%.
24 HR TREND......5% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......7000 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......580.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....41-51.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........56-62% NEAR 7000 FEET.
58-68% NEAR 9000 FEET.
24 HR TREND......2% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH BECOMING SOUTH AROUND
20 MPH AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL
1200, THEN NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................40%.
MAX TEMPERATURE.....64-70 NEAR 7000 FEET.
54-60 NEAR 9000 FEET.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........45-49% NEAR 7000 FEET.
53-63% NEAR 9000 FEET.
24 HR TREND......6% WETTER NEAR 7000 FEET.
21% WETTER NEAR 9000 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTH AROUND 20 MPH.
MIXING HEIGHT.......7300 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS.
LOWS IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S 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
PARTLY CLOUDY. LOWS IN THE UPPER 40S IN THE VALLEYS
AND IN THE MID 40S IN THE MOUNTAINS. 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 SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN THE UPPER
50S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S IN THE VALLEYS
AND IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 60S IN
THE VALLEYS AND IN THE UPPER 50S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S. HIGHS IN THE UPPER 60S IN THE VALLEYS AND IN
THE UPPER 50S IN THE MOUNTAINS.
=
UTZ484-211215-
TAVAPUTS PLATEAU-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....40-50.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........63-73%.
24 HR TREND......6% DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH.
12K FT MSL WINDS....WEST AROUND 15 MPH.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....70-76 NEAR 6000 FEET.
63-69 NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........28-38% NEAR 6000 FEET.
24-34% NEAR 8000 FEET.
24 HR TREND......7% DRIER.
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH BECOMING SOUTHEAST IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST 15-20 MPH.
MIXING HEIGHT.......6800 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......530.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....43-53.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........55-65%.
24 HR TREND......6% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH BECOMING WEST AFTER
MIDNIGHT.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH BECOMING SOUTH AROUND
20 MPH AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED
RAIN SHOWERS. ISOLATED THUNDERSTORMS AFTER
1200.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................20%.
MAX TEMPERATURE.....69-75 NEAR 6000 FEET.
60-66 NEAR 8000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........38-48%.
24 HR TREND......9% DRIER NEAR 6000 FEET.
8% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTH 20-25 MPH.
MIXING HEIGHT.......7400 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS.
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. WINDS GENERALLY LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S IN THE VALLEYS
AND IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN
THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 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.
SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S IN THE VALLEYS
AND IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE MID 70S IN
THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER
60S IN THE MOUNTAINS.
=
UTZ488-211215-
MANTI NATIONAL FOREST-
1254 PM MDT SUN SEP 20 2026
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.....40-50 NEAR 6500 FEET.
36-46 NEAR 8500 FEET.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........51-61%.
24 HR TREND......13% DRIER NEAR 6500 FEET.
18% DRIER NEAR 8500 FEET.
20-FOOT WINDS.......WEST WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....68-78 NEAR 6500 FEET.
59-68 NEAR 8500 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........22-32%.
24 HR TREND......4% DRIER.
20-FOOT WINDS.......SOUTH WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.
MIXING HEIGHT.......8200 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......680.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED
RAIN SHOWERS AFTER 2400.
CHANCE LIGHTNING....10%.
CWR.................10%.
MIN TEMPERATURE.....44-54 NEAR 6500 FEET.
40-50 NEAR 8500 FEET.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........54-64% NEAR 6500 FEET.
59-69% NEAR 8500 FEET.
24 HR TREND......14% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTH 15-20 MPH.
TUESDAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 1200,
THEN RAIN SHOWERS AND SCATTERED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................60%.
MAX TEMPERATURE.....64-74 NEAR 6500 FEET.
55-63 NEAR 8500 FEET.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........38-48% NEAR 6500 FEET.
46-56% NEAR 8500 FEET.
24 HR TREND......21% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTH AROUND 20 MPH.
MIXING HEIGHT.......6400 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......790.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE MID 40S IN THE VALLEYS AND IN THE
LOWER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 60S IN THE VALLEYS
AND AROUND 60 IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S IN THE VALLEYS
AND IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN
THE VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
AROUND 50 IN THE VALLEYS AND IN THE MID 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.
SATURDAY
PARTLY CLOUDY. LOWS AROUND 50 IN THE VALLEYS AND IN
THE MID 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 70S IN THE
VALLEYS AND IN THE LOWER 60S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
AROUND 50 IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.
HIGHS IN THE LOWER 70S IN THE VALLEYS AND IN THE LOWER 60S IN THE
MOUNTAINS.
=
UTZ489-211215-
SAN RAFAEL SWELL-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....50-57 NEAR 5000 FEET.
43-53 NEAR 7000 FEET.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........47-57% NEAR 5000 FEET.
43-52% NEAR 7000 FEET.
24 HR TREND......9% DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH.
12K FT MSL WINDS....WEST AROUND 15 MPH.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....77-83 NEAR 5000 FEET.
67-73 NEAR 7000 FEET.
24 HR TREND......3 DEGREES WARMER.
MIN HUMIDITY........18-24% NEAR 5000 FEET.
23-31% NEAR 7000 FEET.
24 HR TREND......4% DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH BECOMING SOUTHEAST
WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......7400 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......550.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER). SCATTERED
RAIN SHOWERS AFTER 2400.
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....52-59 NEAR 5000 FEET.
48-55 NEAR 7000 FEET.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........51-61%.
24 HR TREND......3% DRIER NEAR 5000 FEET.
3% WETTER NEAR 7000 FEET.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH BECOMING NORTH
AFTER MIDNIGHT.
12K FT MSL WINDS....SOUTH 15-20 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS UNTIL
1200, THEN NUMEROUS RAIN SHOWERS AND SCATTERED
THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................20%.
MAX TEMPERATURE.....75-81 NEAR 5000 FEET.
64-70 NEAR 7000 FEET.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........27-34% NEAR 5000 FEET.
35-45% NEAR 7000 FEET.
24 HR TREND......8% WETTER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH BECOMING SOUTHEAST
WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTH AROUND 25 MPH.
MIXING HEIGHT.......7800 FT AGL (40-50TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S IN THE
VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY LESS
THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE
UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER
70S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 50S. HIGHS IN THE UPPER 70S IN THE VALLEYS AND IN THE
UPPER 60S IN THE MOUNTAINS.
=
UTZ492-211215-
CENTRAL UTAH WEST DESERT-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....44-54 NEAR 5000 FEET.
39-49 NEAR 8000 FEET.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........50-60%.
24 HR TREND......9% DRIER NEAR 5000 FEET.
14% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH.
12K FT MSL WINDS....WEST 10-15 MPH.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....77-83 NEAR 5000 FEET.
64-70 NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........14-20% NEAR 5000 FEET.
19-25% NEAR 8000 FEET.
24 HR TREND......5% DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.
MIXING HEIGHT.......8900 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......700.
MONDAY NIGHT
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS.
CHANCE LIGHTNING....20%.
CWR.................30%.
MIN TEMPERATURE.....49-59 NEAR 5000 FEET.
43-53 NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........63-73%.
24 HR TREND......13% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH BECOMING SOUTHWEST
AFTER MIDNIGHT.
12K FT MSL WINDS....SOUTH 15-20 MPH.
TUESDAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................20%.
MAX TEMPERATURE.....73-79 NEAR 5000 FEET.
59-65 NEAR 8000 FEET.
24 HR TREND......4 DEGREES COOLER.
MIN HUMIDITY........27-37% NEAR 5000 FEET.
40-50% NEAR 8000 FEET.
24 HR TREND......13% WETTER NEAR 5000 FEET.
23% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTH AROUND 20 MPH.
MIXING HEIGHT.......9100 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS AROUND 50 IN THE VALLEYS AND IN
THE MID 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN THE
VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY LESS
THAN 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S IN THE VALLEYS
AND IN THE UPPER 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 80S IN
THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
FRIDAY
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 UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. 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.
SUNDAY
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 MID 60S IN THE MOUNTAINS.
=
UTZ493-211215-
CENTRAL UTAH MOUNTAINS-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....40-50.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........51-59% NEAR 5000 FEET.
46-56% NEAR 8000 FEET.
24 HR TREND......11% DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH BECOMING SOUTHEAST
AFTER MIDNIGHT.
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHWEST AROUND 10
MPH AFTER MIDNIGHT.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....80-86 NEAR 5000 FEET.
63-73 NEAR 8000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........15-19% NEAR 5000 FEET.
20-30% NEAR 8000 FEET.
24 HR TREND......5% DRIER NEAR 5000 FEET.
UNCHANGED NEAR 8000 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.
MIXING HEIGHT.......10200 FT AGL (70-80TH PERCENTILE).
CLEARING INDEX......940.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER
2400.
CHANCE LIGHTNING....10%.
CWR.................20%.
MIN TEMPERATURE.....47-53 NEAR 5000 FEET.
41-51 NEAR 8000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........60-67% NEAR 5000 FEET.
66-76% NEAR 8000 FEET.
24 HR TREND......8% WETTER NEAR 5000 FEET.
17% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTH AROUND 10 MPH BECOMING AROUND 20 MPH
AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). SCATTERED RAIN
SHOWERS AND ISOLATED THUNDERSTORMS UNTIL 1200,
THEN RAIN SHOWERS AND SCATTERED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................40%.
MAX TEMPERATURE.....74-80 NEAR 5000 FEET.
58-67 NEAR 8000 FEET.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........34-38% NEAR 5000 FEET.
42-52% NEAR 8000 FEET.
24 HR TREND......22% WETTER.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTH 20-25 MPH.
MIXING HEIGHT.......8700 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 70S IN THE
VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY LESS
THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND
IN THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN
15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN
THE UPPER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 80S IN THE VALLEYS AND IN THE UPPER 60S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE UPPER 40S. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN
THE UPPER 60S IN THE MOUNTAINS.
=
UTZ494-211215-
HENRY MOUNTAINS-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....50-60 NEAR 5000 FEET.
48-54 NEAR 8000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........38-48% NEAR 5000 FEET.
36-44% NEAR 8000 FEET.
24 HR TREND......11% DRIER.
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH BECOMING NORTH AFTER
MIDNIGHT.
12K FT MSL WINDS....SOUTHWEST 10-15 MPH.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....78-84 NEAR 5000 FEET.
64-73 NEAR 8000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........15-19% NEAR 5000 FEET.
21-28% NEAR 8000 FEET.
24 HR TREND......1% DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH BECOMING SOUTHEAST IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTHWEST AROUND 15 MPH.
MIXING HEIGHT.......9000 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......860.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER
2400.
CHANCE LIGHTNING....10%.
CWR.................0%.
MIN TEMPERATURE.....53-62 NEAR 5000 FEET.
49-55 NEAR 8000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........45-55% NEAR 5000 FEET.
53-63% NEAR 8000 FEET.
24 HR TREND......8% WETTER NEAR 5000 FEET.
18% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTH 15-20 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 20% IN THE AFTERNOON.
CWR.................20%.
MAX TEMPERATURE.....75-81 NEAR 5000 FEET.
60-70 NEAR 8000 FEET.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........24-32% NEAR 5000 FEET.
38-48% NEAR 8000 FEET.
24 HR TREND......13% WETTER.
20-FOOT WINDS.......SOUTH WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTH 25-30 MPH.
MIXING HEIGHT.......8900 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND ISOLATED
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 LOWER 60S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S IN THE VALLEYS
AND IN THE LOWER 50S IN THE MOUNTAINS. HIGHS IN THE UPPER 70S IN
THE VALLEYS AND IN THE MID 60S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
FRIDAY
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. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. 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.
SUNDAY
PARTLY CLOUDY. 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.
=
UTZ495-211215-
COLOR COUNTRY WEST DESERT-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....47-57.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........38-48% NEAR 5000 FEET.
33-43% NEAR 7000 FEET.
24 HR TREND......12% DRIER.
20-FOOT WINDS.......NORTHEAST WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....79-85 NEAR 5000 FEET.
70-76 NEAR 7000 FEET.
24 HR TREND......1 DEGREE WARMER.
MIN HUMIDITY........14-24%.
24 HR TREND......4% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH BECOMING SOUTH IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTH 10-15 MPH.
MIXING HEIGHT.......10600 FT AGL (70-80TH PERCENTILE).
CLEARING INDEX......1000+.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). SCATTERED
RAIN SHOWERS UNTIL 2400. ISOLATED
THUNDERSTORMS. NUMEROUS RAIN SHOWERS AFTER
2400.
CHANCE LIGHTNING....20%.
CWR.................40%.
MIN TEMPERATURE.....46-56.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........70-80% NEAR 5000 FEET.
63-73% NEAR 7000 FEET.
24 HR TREND......36% WETTER.
20-FOOT WINDS.......SOUTH WINDS AROUND 10 MPH BECOMING NORTHEAST
AFTER MIDNIGHT.
12K FT MSL WINDS....SOUTH AROUND 15 MPH BECOMING AROUND 25 MPH
AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (65-75% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 20% IN THE AFTERNOON.
CWR.................10%.
MAX TEMPERATURE.....75-81 NEAR 5000 FEET.
66-72 NEAR 7000 FEET.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........24-30% NEAR 5000 FEET.
29-39% NEAR 7000 FEET.
24 HR TREND......9% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH BECOMING SOUTH
WITH GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTH 20-25 MPH.
MIXING HEIGHT.......10200 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S IN THE VALLEYS AND AROUND 70 IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
FRIDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
80S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
LOWER 80S IN THE VALLEYS AND IN THE LOWER 70S IN THE MOUNTAINS.
=
UTZ496-211215-
COLOR COUNTRY MOUNTAINS-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....45-55.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........45-55% NEAR 6000 FEET.
38-48% NEAR 8000 FEET.
24 HR TREND......13% DRIER.
20-FOOT WINDS.......NORTH WINDS AROUND 5 MPH.
12K FT MSL WINDS....LIGHT AND VARIABLE BECOMING SOUTHWEST AROUND 10
MPH AFTER MIDNIGHT.
MONDAY
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....75-81 NEAR 6000 FEET.
64-72 NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........19-25% NEAR 6000 FEET.
23-31% NEAR 8000 FEET.
24 HR TREND......8% WETTER.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON.
12K FT MSL WINDS....SOUTH 10-15 MPH.
MIXING HEIGHT.......9600 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......1000+.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). SCATTERED
RAIN SHOWERS UNTIL 2400. ISOLATED
THUNDERSTORMS. NUMEROUS RAIN SHOWERS AFTER
2400.
CHANCE LIGHTNING....20%.
CWR.................20%.
MIN TEMPERATURE.....45-55.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........71-81%.
24 HR TREND......28% WETTER NEAR 6000 FEET.
39% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTHEAST WINDS 5 TO 10 MPH.
12K FT MSL WINDS....SOUTH AROUND 15 MPH BECOMING AROUND 25 MPH
AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). NUMEROUS
RAIN SHOWERS UNTIL 1200. ISOLATED
THUNDERSTORMS. SCATTERED RAIN SHOWERS AFTER
1200.
CHANCE LIGHTNING....10% INCREASING TO 30% IN THE AFTERNOON.
CWR.................30%.
MAX TEMPERATURE.....70-76 NEAR 6000 FEET.
61-68 NEAR 8000 FEET.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........29-39% NEAR 6000 FEET.
36-46% NEAR 8000 FEET.
24 HR TREND......20% WETTER.
20-FOOT WINDS.......EAST WINDS AROUND 5 MPH BECOMING SOUTH WITH
GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTH AROUND 25 MPH.
MIXING HEIGHT.......9500 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
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.
THURSDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S
IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
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 UPPER 60S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS. HIGHS IN THE MID 70S IN THE VALLEYS AND IN THE MID 60S
IN THE MOUNTAINS.
=
UTZ497-211215-
MOJAVE DESERT-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 2400,
THEN MOSTLY CLOUDY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....64-73 NEAR 3000 FEET.
55-64 NEAR 6000 FEET.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........16-25% NEAR 3000 FEET.
22-31% NEAR 6000 FEET.
24 HR TREND......8% DRIER.
20-FOOT WINDS.......NORTHWEST WINDS AROUND 5 MPH BECOMING NORTHEAST
AFTER MIDNIGHT.
12K FT MSL WINDS....SOUTH 10-15 MPH.
MONDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....87-93 NEAR 3000 FEET.
73-80 NEAR 6000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........13-19% NEAR 3000 FEET.
17-24% NEAR 6000 FEET.
24 HR TREND......8% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH BECOMING SOUTH IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTH 15-20 MPH.
MIXING HEIGHT.......10200 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......1000+.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED
RAIN SHOWERS UNTIL 2400. ISOLATED
THUNDERSTORMS. NUMEROUS RAIN SHOWERS AFTER
2400.
CHANCE LIGHTNING....20%.
CWR.................20%.
MIN TEMPERATURE.....63-71 NEAR 3000 FEET.
53-62 NEAR 6000 FEET.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........49-59% NEAR 3000 FEET.
62-72% NEAR 6000 FEET.
24 HR TREND......33% WETTER NEAR 3000 FEET.
40% WETTER NEAR 6000 FEET.
20-FOOT WINDS.......EAST WINDS AROUND 10 MPH.
12K FT MSL WINDS....SOUTH 20-25 MPH.
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER) UNTIL 1200,
THEN PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....10%.
CWR.................0%.
MAX TEMPERATURE.....84-90 NEAR 3000 FEET.
70-77 NEAR 6000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........18-22% NEAR 3000 FEET.
23-29% NEAR 6000 FEET.
24 HR TREND......3% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 10 MPH BECOMING SOUTH
WITH GUSTS TO AROUND 20 MPH IN THE AFTERNOON.
12K FT MSL WINDS....SOUTH 20-25 MPH.
MIXING HEIGHT.......10400 FT AGL (50-60TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S IN THE VALLEYS AND
IN THE UPPER 50S IN THE MOUNTAINS. HIGHS AROUND 90 IN THE VALLEYS
AND IN THE MID 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN
15 MPH.
THURSDAY
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.
FRIDAY
MOSTLY CLEAR. LOWS AROUND 70 IN THE VALLEYS AND IN THE
LOWER 60S IN THE MOUNTAINS. HIGHS IN THE LOWER 90S IN THE VALLEYS
AND IN THE UPPER 70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN
15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S IN THE VALLEYS
AND IN THE LOWER 60S IN THE MOUNTAINS. HIGHS IN THE LOWER 90S IN
THE VALLEYS AND IN THE UPPER 70S IN THE MOUNTAINS.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 60S IN THE VALLEYS AND
IN THE LOWER 60S IN THE MOUNTAINS. HIGHS IN THE LOWER 90S IN THE
VALLEYS AND IN THE MID 70S IN THE MOUNTAINS.
=
UTZ498-211215-
GRAND STAIRCASE-
1254 PM MDT SUN SEP 20 2026
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (45-55% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....54-64 NEAR 4000 FEET.
49-59 NEAR 6000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........30-40%.
24 HR TREND......11% DRIER.
20-FOOT WINDS.......SOUTHWEST WINDS AROUND 5 MPH BECOMING NORTHEAST
AFTER MIDNIGHT.
12K FT MSL WINDS....SOUTHWEST AROUND 10 MPH.
MONDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....83-89 NEAR 4000 FEET.
75-84 NEAR 6000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........11-21% NEAR 4000 FEET.
18-24% NEAR 6000 FEET.
24 HR TREND......3% WETTER NEAR 4000 FEET.
8% WETTER NEAR 6000 FEET.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH BECOMING SOUTHEAST
IN THE AFTERNOON.
12K FT MSL WINDS....SOUTH 10-15 MPH.
MIXING HEIGHT.......9600 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......780.
MONDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS.
CHANCE LIGHTNING....20%.
CWR.................10%.
MIN TEMPERATURE.....58-66 NEAR 4000 FEET.
49-59 NEAR 6000 FEET.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........43-53% NEAR 4000 FEET.
58-68% NEAR 6000 FEET.
24 HR TREND......15% WETTER NEAR 4000 FEET.
33% WETTER NEAR 6000 FEET.
20-FOOT WINDS.......SOUTHEAST WINDS AROUND 5 MPH BECOMING NORTHEAST
AFTER MIDNIGHT.
12K FT MSL WINDS....SOUTH AROUND 15 MPH BECOMING AROUND 25 MPH
AFTER MIDNIGHT.
TUESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). SCATTERED
RAIN SHOWERS AND ISOLATED THUNDERSTORMS.
CHANCE LIGHTNING....10% INCREASING TO 20% IN THE AFTERNOON.
CWR.................20%.
MAX TEMPERATURE.....79-85 NEAR 4000 FEET.
71-80 NEAR 6000 FEET.
24 HR TREND......2 DEGREES COOLER.
MIN HUMIDITY........21-31% NEAR 4000 FEET.
27-37% NEAR 6000 FEET.
24 HR TREND......6% WETTER.
20-FOOT WINDS.......NORTHEAST WINDS AROUND 5 MPH BECOMING SOUTH IN
THE AFTERNOON.
12K FT MSL WINDS....SOUTH 25-30 MPH.
MIXING HEIGHT.......9700 FT AGL (60-70TH PERCENTILE).
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
WEDNESDAY
PARTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS IN THE
LOWER 60S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.
HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE MID 70S IN THE
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
THURSDAY
PARTLY CLOUDY. 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 MID 70S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
FRIDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE LOWER 60S IN THE VALLEYS AND IN THE MID 50S IN THE
MOUNTAINS. HIGHS IN THE LOWER 80S IN THE VALLEYS AND IN THE MID
70S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
SATURDAY
MOSTLY CLEAR. 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.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
IN THE MID 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.
=
.8-14 DAY OUTLOOK FOR MONDAY SEPTEMBER 28 TO SUNDAY OCTOBER 04
TEMPERATURE... ABOVE NORMAL
PRECIPITATION... ABOVE NORMAL
=
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