289
FNUS55 KSLC 182106
FWFSLC
FIRE WEATHER PLANNING FORECAST FOR UTAH
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
206 PM MST THU DEC 18 2025
NOTICE TO ALL USERS: THIS PRODUCT IS AUTOMATICALLY GENERATED DURING
THE COOL SEASON TO PROVIDE A GENERAL OUTLOOK. IT WILL NOT CONTAIN A
DISCUSSION SECTION OR ADJUSTMENTS BY OUR METEOROLOGISTS. THE FULL
FIRE WEATHER FORECAST WILL RESUME THE MORNING OF MAY 3, 2026.
UTZ478-191300-
SALT LAKE DESERT-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....30-40.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........54-64% NEAR 5000 FEET.
49-59% NEAR 8000 FEET.
24 HR TREND......7% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING SOUTH
AROUND 15 MPH AFTER MIDNIGHT. GUSTS UP TO 30
MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH.
FRIDAY
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NORTH OF I-80,
AREAS OF RAIN. SOUTH OF I-80, AREAS OF RAIN
AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................30% NORTH OF I-80 AND 0% SOUTH OF I-80.
MAX TEMPERATURE.....49-59 NEAR 5000 FEET.
37-46 NEAR 8000 FEET.
24 HR TREND......10 DEGREES WARMER.
MIN HUMIDITY........36-46%.
24 HR TREND......7% DRIER.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30
MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH.
MIXING HEIGHT.......3400 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......440.
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NORTH OF I-80,
RAIN UNTIL 2400, THEN AREAS OF RAIN AND SNOW.
SOUTH OF I-80, AREAS OF RAIN UNTIL 2400, THEN
RAIN.
CHANCE LIGHTNING....10%.
CWR.................50% NORTH OF I-80 AND 40% SOUTH OF I-80.
MIN TEMPERATURE.....27-37.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........72-82%.
24 HR TREND......20% WETTER NEAR 5000 FEET.
31% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTHWEST AROUND 20 MPH BECOMING WEST AFTER
MIDNIGHT. GUSTS UP TO 35 MPH.
12K FT MSL WINDS....WEST 55-60 MPH.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). AREAS OF
RAIN. NORTH OF I-80, AREAS OF SNOW UNTIL 1200.
LOCAL SNOW AFTER 1200. SOUTH OF I-80,
CHANCE LIGHTNING....10%.
CWR.................10% NORTH OF I-80 AND 20% SOUTH OF I-80.
MAX TEMPERATURE.....41-51 NEAR 5000 FEET.
31-39 NEAR 8000 FEET.
24 HR TREND......8 DEGREES COOLER.
MIN HUMIDITY........55-65% NEAR 5000 FEET.
63-73% NEAR 8000 FEET.
24 HR TREND......18% WETTER NEAR 5000 FEET.
25% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH BECOMING AROUND 40 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3600 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......210.
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE MID 30S.
HIGHS AROUND 50 IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. SOUTH WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS AROUND 40. HIGHS IN
THE MID 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
SOUTH WINDS AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS.
THURSDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
UPPER 30S. HIGHS AROUND 50 IN THE VALLEYS AND IN THE UPPER 30S IN
THE MOUNTAINS.
=
UTZ479-191300-
WASATCH MOUNTAINS-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................10% NORTH OF I-80 AND 0% SOUTH OF I-80.
MIN TEMPERATURE.....27-37.
24 HR TREND......10 DEGREES WARMER.
MAX HUMIDITY........66-76% NEAR 5000 FEET.
56-66% NEAR 8000 FEET.
24 HR TREND......2% DRIER.
20-FOOT WINDS.......SOUTHWEST 15-20 MPH. GUSTS UP TO 30 MPH
INCREASING TO 40 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 55-60 MPH.
FRIDAY
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). NORTH OF I-80,
AREAS OF RAIN AND SNOW UNTIL 1200, THEN SNOW
AND RAIN. SOUTH OF I-80, AREAS OF RAIN AND
SNOW.
CHANCE LIGHTNING....0%.
CWR.................70% NORTH OF I-80 AND 20% SOUTH OF I-80.
MAX TEMPERATURE.....44-54 NEAR 5000 FEET.
37-47 NEAR 8000 FEET.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........51-61%.
24 HR TREND......9% WETTER.
20-FOOT WINDS.......SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 40
MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH.
MIXING HEIGHT.......3200 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......660.
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY (95-100% CLOUD COVER). RAIN AND SNOW
NORTH OF I-80 AND SNOW AND RAIN SOUTH OF I-80.
CHANCE LIGHTNING....10%.
CWR.................100% NORTH OF I-80 AND 90% SOUTH OF I-80.
MIN TEMPERATURE.....28-38 NEAR 5000 FEET.
23-33 NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........78-88%.
24 HR TREND......23% WETTER.
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 45 MPH.
12K FT MSL WINDS....WEST AROUND 60 MPH BECOMING AROUND 50 MPH AFTER
MIDNIGHT.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). AREAS OF
SNOW AND RAIN. NORTH OF I-80, WIDESPREAD SNOW
UNTIL 1200, SOUTH OF I-80, SNOW AND RAIN UNTIL
1200, AREAS OF SNOW AND RAIN AFTER 1200.
CHANCE LIGHTNING....10%.
CWR.................40% NORTH OF I-80 AND 50% SOUTH OF I-80.
MAX TEMPERATURE.....38-48 NEAR 5000 FEET.
31-41 NEAR 8000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........59-69% NEAR 5000 FEET.
67-77% NEAR 8000 FEET.
24 HR TREND......9% WETTER NEAR 5000 FEET.
16% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......WEST AROUND 15 MPH IN THE MORNING BECOMING
UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 30 MPH.
12K FT MSL WINDS....WEST 45-50 MPH.
MIXING HEIGHT.......3500 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......540.
FORECAST DAYS 3 THROUGH 7
SUNDAY
RAIN AND AREAS OF SNOW. LOWS AROUND 30. HIGHS IN THE
UPPER 40S IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS AROUND 40 IN THE
VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE LOWER
50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE UPPER 30S IN
THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE MID
50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
WEDNESDAY
WIDESPREAD RAIN AND SNOW. LOWS AROUND 40 IN THE
VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER
50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
THURSDAY
WIDESPREAD SNOW AND RAIN. LOWS IN THE MID 30S IN THE
VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER
40S IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.
=
UTZ480-191300-
UINTA MOUNTAINS-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....31-37 NEAR 7000 FEET.
25-32 NEAR 9000 FEET.
24 HR TREND......13 DEGREES WARMER.
MAX HUMIDITY........59-69%.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST 20-25 MPH. GUSTS UP TO 45 MPH
INCREASING TO 55 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 50-55 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). WIDESPREAD
SNOW.
CHANCE LIGHTNING....0%.
CWR.................40%.
MAX TEMPERATURE.....44-50 NEAR 7000 FEET.
35-45 NEAR 9000 FEET.
24 HR TREND......5 DEGREES WARMER.
MIN HUMIDITY........45-55%.
24 HR TREND......15% WETTER.
20-FOOT WINDS.......SOUTHWEST 25-30 MPH WITH GUSTS TO AROUND 55
MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH.
MIXING HEIGHT.......3600 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......960.
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY (95-100% CLOUD COVER). SNOW.
CHANCE LIGHTNING....10%.
CWR.................100%.
MIN TEMPERATURE.....31-37 NEAR 7000 FEET.
21-30 NEAR 9000 FEET.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........81-91%.
24 HR TREND......26% WETTER.
20-FOOT WINDS.......WEST AROUND 25 MPH WITH GUSTS TO AROUND 50 MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). SNOW UNTIL
1200, THEN AREAS OF SNOW.
CHANCE LIGHTNING....0%.
CWR.................60%.
MAX TEMPERATURE.....37-44 NEAR 7000 FEET.
29-36 NEAR 9000 FEET.
24 HR TREND......7 DEGREES COOLER.
MIN HUMIDITY........63-69% NEAR 7000 FEET.
55-65% NEAR 9000 FEET.
24 HR TREND......15% WETTER.
20-FOOT WINDS.......WEST 15-20 MPH WITH GUSTS TO AROUND 45 MPH.
12K FT MSL WINDS....WEST AROUND 40 MPH.
MIXING HEIGHT.......3600 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......990.
FORECAST DAYS 3 THROUGH 7
SUNDAY
WIDESPREAD SNOW AND RAIN. LOWS IN THE LOWER 30S IN THE
VALLEYS AND IN THE MID 20S IN THE MOUNTAINS. HIGHS IN THE MID 40S
IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS. SOUTHWEST WINDS
AROUND 15 MPH.
MONDAY
MOSTLY CLOUDY. AREAS OF SNOW AND RAIN. LOWS AROUND
40 IN THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN
THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. SOUTHWEST WINDS AROUND 20 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S IN THE VALLEYS
AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS AROUND 50 IN THE
VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. SOUTH WINDS AROUND
20 MPH.
WEDNESDAY
WIDESPREAD SNOW. LOWS IN THE UPPER 30S IN THE
VALLEYS AND IN THE UPPER 20S IN THE MOUNTAINS. HIGHS IN THE UPPER
40S IN THE VALLEYS AND AROUND 40 IN THE MOUNTAINS.
THURSDAY
WIDESPREAD SNOW. LOWS IN THE MID 30S IN THE VALLEYS
AND IN THE UPPER 20S IN THE MOUNTAINS. HIGHS IN THE MID 40S IN
THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.
=
UTZ481-191300-
WESTERN ASHLEY NATIONAL FOREST-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER) UNTIL 2400,
THEN PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....28-34 NEAR 7000 FEET.
20-28 NEAR 10000 FEET.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........53-63% NEAR 7000 FEET.
58-68% NEAR 10000 FEET.
24 HR TREND......14% WETTER.
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 45 MPH
BECOMING AROUND 30 MPH WITH GUSTS TO AROUND 55
MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST AROUND 50 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,
THEN MOSTLY CLOUDY (80-90% CLOUD COVER). LOCAL
SNOW UNTIL 1200, THEN WIDESPREAD SNOW.
CHANCE LIGHTNING....0%.
CWR.................30%.
MAX TEMPERATURE.....44-54 NEAR 7000 FEET.
33-43 NEAR 10000 FEET.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........39-49% NEAR 7000 FEET.
44-54% NEAR 10000 FEET.
24 HR TREND......11% WETTER.
20-FOOT WINDS.......WEST 25-30 MPH. GUSTS UP TO 65 MPH DECREASING
TO 55 MPH IN THE AFTERNOON.
12K FT MSL WINDS....WEST 50-55 MPH.
MIXING HEIGHT.......3100 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......850.
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). SNOW.
CHANCE LIGHTNING....10%.
CWR.................90%.
MIN TEMPERATURE.....30-36 NEAR 7000 FEET.
21-29 NEAR 10000 FEET.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........68-78% NEAR 7000 FEET.
73-83% NEAR 10000 FEET.
24 HR TREND......15% WETTER.
20-FOOT WINDS.......WEST 25-30 MPH WITH GUSTS TO AROUND 60 MPH.
12K FT MSL WINDS....WEST 40-45 MPH.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER). WIDESPREAD
SNOW UNTIL 1200, THEN AREAS OF SNOW.
CHANCE LIGHTNING....0%.
CWR.................40%.
MAX TEMPERATURE.....38-48 NEAR 7000 FEET.
27-37 NEAR 10000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........48-58% NEAR 7000 FEET.
54-64% NEAR 10000 FEET.
24 HR TREND......10% WETTER.
20-FOOT WINDS.......WEST 20-25 MPH WITH GUSTS TO AROUND 55 MPH.
12K FT MSL WINDS....WEST 35-40 MPH.
MIXING HEIGHT.......3900 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......1000.
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE UPPER 20S IN
THE VALLEYS AND IN THE LOWER 20S IN THE MOUNTAINS. HIGHS IN THE
MID 40S IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. WEST
WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLOUDY. LOCAL SNOW. LOWS IN THE MID 30S IN THE
VALLEYS AND IN THE UPPER 20S IN THE MOUNTAINS. HIGHS IN THE UPPER
40S IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS AROUND 30 IN THE VALLEYS AND IN
THE MID 20S IN THE MOUNTAINS. HIGHS IN THE UPPER 40S IN THE
VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. SOUTHWEST WINDS
AROUND 20 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF SNOW. LOWS AROUND 30 IN THE
VALLEYS AND IN THE MID 20S IN THE MOUNTAINS. HIGHS IN THE MID 40S
IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS.
THURSDAY
WIDESPREAD SNOW. LOWS IN THE LOWER 30S IN THE VALLEYS
AND IN THE MID 20S IN THE MOUNTAINS. HIGHS IN THE LOWER 40S IN
THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS.
=
UTZ482-191300-
WESTERN UINTAH BASIN-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....25-35.
24 HR TREND......3 DEGREES WARMER NEAR 6000 FEET.
8 DEGREES WARMER NEAR 8000 FEET.
MAX HUMIDITY........60-70% NEAR 6000 FEET.
52-62% NEAR 8000 FEET.
24 HR TREND......17% WETTER NEAR 6000 FEET.
7% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING WEST
AROUND 15 MPH AFTER MIDNIGHT. GUSTS UP TO 30
MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (20-30% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (65-75% CLOUD COVER). AREAS
OF RAIN AND SNOW AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................10%.
MAX TEMPERATURE.....52-58 NEAR 6000 FEET.
44-50 NEAR 8000 FEET.
24 HR TREND......11 DEGREES WARMER.
MIN HUMIDITY........27-36% NEAR 6000 FEET.
32-42% NEAR 8000 FEET.
24 HR TREND......1% WETTER.
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 40 MPH.
12K FT MSL WINDS....WEST AROUND 60 MPH.
MIXING HEIGHT.......4200 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......1000+.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). AREAS OF
RAIN UNTIL 2400. WIDESPREAD SNOW. WIDESPREAD
RAIN AFTER 2400.
CHANCE LIGHTNING....0%.
CWR.................60%.
MIN TEMPERATURE.....28-38.
24 HR TREND......8 DEGREES WARMER NEAR 6000 FEET.
2 DEGREES WARMER NEAR 8000 FEET.
MAX HUMIDITY........67-75% NEAR 6000 FEET.
71-81% NEAR 8000 FEET.
24 HR TREND......5% WETTER NEAR 6000 FEET.
17% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 40 MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (60-70% CLOUD COVER). AREAS OF
RAIN UNTIL 1200. AREAS OF SNOW. LOCAL RAIN
AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................10%.
MAX TEMPERATURE.....47-53 NEAR 6000 FEET.
37-43 NEAR 8000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........39-48% NEAR 6000 FEET.
49-59% NEAR 8000 FEET.
24 HR TREND......13% WETTER NEAR 6000 FEET.
18% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 35 MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH BECOMING AROUND 45 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......5100 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS AROUND 30.
HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE UPPER 40S
IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS AROUND
30. HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN
THE MOUNTAINS.
THURSDAY
MOSTLY CLOUDY. WIDESPREAD SNOW AND AREAS OF RAIN.
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S IN THE VALLEYS AND
AROUND 40 IN THE MOUNTAINS.
=
UTZ483-191300-
SOUTHERN ASHLEY NATIONAL FOREST-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....31-37 NEAR 7000 FEET.
27-33 NEAR 9000 FEET.
24 HR TREND......7 DEGREES WARMER.
MAX HUMIDITY........47-57% NEAR 7000 FEET.
53-63% NEAR 9000 FEET.
24 HR TREND......1% WETTER NEAR 7000 FEET.
5% DRIER NEAR 9000 FEET.
20-FOOT WINDS.......SOUTHWEST 15-20 MPH. GUSTS UP TO 30 MPH
INCREASING TO 40 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST AROUND 55 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (50-60% CLOUD COVER). AREAS
OF SNOW AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....49-55 NEAR 7000 FEET.
39-45 NEAR 9000 FEET.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........28-36% NEAR 7000 FEET.
35-45% NEAR 9000 FEET.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 45
MPH.
12K FT MSL WINDS....WEST AROUND 60 MPH.
MIXING HEIGHT.......2900 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......640.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). WIDESPREAD
SNOW AND AREAS OF RAIN.
CHANCE LIGHTNING....0%.
CWR.................60%.
MIN TEMPERATURE.....35-41 NEAR 7000 FEET.
30-36 NEAR 9000 FEET.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........64-74% NEAR 7000 FEET.
71-81% NEAR 9000 FEET.
24 HR TREND......16% WETTER NEAR 7000 FEET.
22% WETTER NEAR 9000 FEET.
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 45 MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75% CLOUD COVER). AREAS OF
RAIN UNTIL 1200. AREAS OF SNOW.
CHANCE LIGHTNING....0%.
CWR.................10%.
MAX TEMPERATURE.....44-51 NEAR 7000 FEET.
36-42 NEAR 9000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........43-53% NEAR 7000 FEET.
55-65% NEAR 9000 FEET.
24 HR TREND......16% WETTER NEAR 7000 FEET.
22% WETTER NEAR 9000 FEET.
20-FOOT WINDS.......WEST AROUND 20 MPH. GUSTS UP TO 45 MPH
DECREASING TO 35 MPH IN THE AFTERNOON.
12K FT MSL WINDS....WEST AROUND 55 MPH BECOMING AROUND 45 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......4400 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
LOWER 30S. HIGHS IN THE UPPER 40S IN THE VALLEYS AND IN THE UPPER
30S IN THE MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 30S IN THE VALLEYS AND
IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 50S IN THE
VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S IN THE VALLEYS AND
IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 40S IN THE
VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE MID 30S IN
THE VALLEYS AND AROUND 30 IN THE MOUNTAINS. HIGHS IN THE MID 40S
IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS.
THURSDAY
WIDESPREAD SNOW AND AREAS OF RAIN. LOWS IN THE MID
30S IN THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS
IN THE MID 40S IN THE VALLEYS AND IN THE MID 30S IN THE
MOUNTAINS.
=
UTZ484-191300-
TAVAPUTS PLATEAU-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....25-35.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........54-64% NEAR 6000 FEET.
58-68% NEAR 8000 FEET.
24 HR TREND......12% WETTER NEAR 6000 FEET.
3% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING
SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30
MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST AROUND 55 MPH.
FRIDAY
SKY/WEATHER.........SUNNY (20-30% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....47-57 NEAR 6000 FEET.
39-47 NEAR 8000 FEET.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........27-37% NEAR 6000 FEET.
34-44% NEAR 8000 FEET.
24 HR TREND......1% WETTER.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST 55-60 MPH.
MIXING HEIGHT.......3000 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......470.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70% CLOUD COVER). AREAS OF
RAIN AND SNOW.
CHANCE LIGHTNING....0%.
CWR.................20%.
MIN TEMPERATURE.....35-41 NEAR 6000 FEET.
29-35 NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MAX HUMIDITY........63-73% NEAR 6000 FEET.
72-82% NEAR 8000 FEET.
24 HR TREND......8% WETTER NEAR 6000 FEET.
16% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST 55-60 MPH.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (55-65% CLOUD COVER) UNTIL 1200,
THEN PARTLY CLOUDY (30-40% CLOUD COVER). AREAS
OF SNOW UNTIL 1200.
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....50-56 NEAR 6000 FEET.
40-47 NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........34-44% NEAR 6000 FEET.
46-56% NEAR 8000 FEET.
24 HR TREND......10% WETTER.
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 35 MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH BECOMING AROUND 45 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......5800 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......1000+.
FORECAST DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
LOWER 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
LOWER 30S. HIGHS AROUND 50 IN THE VALLEYS AND AROUND 40 IN THE
MOUNTAINS.
THURSDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
MID 30S. HIGHS AROUND 50 IN THE VALLEYS AND AROUND 40 IN THE
MOUNTAINS.
=
UTZ488-191300-
MANTI NATIONAL FOREST-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (20-30% CLOUD COVER) UNTIL 2400,
THEN MOSTLY CLOUDY (70-80% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....27-37.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........55-65%.
24 HR TREND......7% DRIER NEAR 6500 FEET.
13% DRIER NEAR 8500 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING
SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 35
MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 45-50 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER). LOCAL SNOW
AFTER 1200.
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....47-57 NEAR 6500 FEET.
40-50 NEAR 8500 FEET.
24 HR TREND......8 DEGREES WARMER.
MIN HUMIDITY........28-38% NEAR 6500 FEET.
32-42% NEAR 8500 FEET.
24 HR TREND......6% DRIER.
20-FOOT WINDS.......SOUTHWEST 15-20 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH.
MIXING HEIGHT.......2700 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......520.
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY (90-100% CLOUD COVER). AREAS OF SNOW
UNTIL 2400. AREAS OF RAIN. WIDESPREAD SNOW
AFTER 2400.
CHANCE LIGHTNING....0%.
CWR.................50%.
MIN TEMPERATURE.....31-40 NEAR 6500 FEET.
29-36 NEAR 8500 FEET.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........73-83%.
24 HR TREND......19% WETTER.
20-FOOT WINDS.......WEST 15-20 MPH WITH GUSTS TO AROUND 40 MPH.
12K FT MSL WINDS....WEST 45-50 MPH.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). AREAS OF
SNOW AND RAIN.
CHANCE LIGHTNING....0%.
CWR.................20%.
MAX TEMPERATURE.....44-52 NEAR 6500 FEET.
34-44 NEAR 8500 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........46-56% NEAR 6500 FEET.
55-65% NEAR 8500 FEET.
24 HR TREND......19% WETTER NEAR 6500 FEET.
24% WETTER NEAR 8500 FEET.
20-FOOT WINDS.......WEST 15-20 MPH WITH GUSTS TO AROUND 35 MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH BECOMING AROUND 40 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3800 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......830.
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE MID
30S IN THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS
IN THE UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS. WINDS GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S IN THE VALLEYS AND
IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE LOWER 50S IN THE
VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. WINDS GENERALLY LESS
THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE
UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
WINDS GENERALLY LESS THAN 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF SNOW. LOWS IN THE MID 30S IN
THE VALLEYS AND AROUND 30 IN THE MOUNTAINS. HIGHS IN THE MID 40S
IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.
THURSDAY
WIDESPREAD SNOW AND RAIN. LOWS IN THE MID 30S IN THE
VALLEYS AND AROUND 30 IN THE MOUNTAINS. HIGHS IN THE MID 40S IN
THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS.
=
UTZ489-191300-
SAN RAFAEL SWELL-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....24-33 NEAR 5000 FEET.
28-34 NEAR 7000 FEET.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........59-69% NEAR 5000 FEET.
52-62% NEAR 7000 FEET.
24 HR TREND......1% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST 45-50 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER) UNTIL 1200,
THEN SUNNY (20-30% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....49-57 NEAR 5000 FEET.
45-53 NEAR 7000 FEET.
24 HR TREND......6 DEGREES WARMER.
MIN HUMIDITY........28-38%.
24 HR TREND......5% WETTER NEAR 5000 FEET.
4% DRIER NEAR 7000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 20 MPH
IN THE AFTERNOON.
12K FT MSL WINDS....WEST AROUND 50 MPH.
MIXING HEIGHT.......2300 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......170.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER). AREAS OF
RAIN.
CHANCE LIGHTNING....0%.
CWR.................10%.
MIN TEMPERATURE.....28-35 NEAR 5000 FEET.
33-39 NEAR 7000 FEET.
24 HR TREND......5 DEGREES WARMER.
MAX HUMIDITY........69-79% NEAR 5000 FEET.
61-71% NEAR 7000 FEET.
24 HR TREND......6% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 55 MPH BECOMING AROUND 45 MPH AFTER
MIDNIGHT.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER) UNTIL 1200,
THEN PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....52-58 NEAR 5000 FEET.
45-52 NEAR 7000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........32-42% NEAR 5000 FEET.
37-47% NEAR 7000 FEET.
24 HR TREND......2% WETTER NEAR 5000 FEET.
9% WETTER NEAR 7000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH BECOMING AROUND 40 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......5100 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......450.
FORECAST DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS.
THURSDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
MID 30S. HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S
IN THE MOUNTAINS.
=
UTZ492-191300-
CENTRAL UTAH WEST DESERT-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....34-44 NEAR 5000 FEET.
30-40 NEAR 8000 FEET.
24 HR TREND......11 DEGREES WARMER.
MAX HUMIDITY........48-58% NEAR 5000 FEET.
43-53% NEAR 8000 FEET.
24 HR TREND......25% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING SOUTH
AROUND 15 MPH WITH GUSTS TO AROUND 30 MPH AFTER
MIDNIGHT.
12K FT MSL WINDS....WEST AROUND 45 MPH.
FRIDAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....57-65 NEAR 5000 FEET.
46-53 NEAR 8000 FEET.
24 HR TREND......9 DEGREES WARMER.
MIN HUMIDITY........21-31% NEAR 5000 FEET.
27-37% NEAR 8000 FEET.
24 HR TREND......12% DRIER.
20-FOOT WINDS.......SOUTH 15-20 MPH WITH GUSTS TO AROUND 35 MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH.
MIXING HEIGHT.......3800 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......600.
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER). AREAS OF RAIN.
CHANCE LIGHTNING....0%.
CWR.................20%.
MIN TEMPERATURE.....32-42.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........64-74% NEAR 5000 FEET.
60-70% NEAR 8000 FEET.
24 HR TREND......14% WETTER.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30
MPH.
12K FT MSL WINDS....WEST 40-45 MPH.
SATURDAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER) UNTIL 1200, THEN
PARTLY SUNNY (65-75% CLOUD COVER). AREAS OF
RAIN.
CHANCE LIGHTNING....0%.
CWR.................10%.
MAX TEMPERATURE.....52-60 NEAR 5000 FEET.
40-47 NEAR 8000 FEET.
24 HR TREND......6 DEGREES COOLER.
MIN HUMIDITY........38-48% NEAR 5000 FEET.
47-57% NEAR 8000 FEET.
24 HR TREND......17% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH BECOMING AROUND 30 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......5000 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......440.
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS.
SOUTH WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
SOUTH WINDS AROUND 20 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND
60 IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. SOUTH
WINDS AROUND 20 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS.
THURSDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
UPPER 30S. HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE LOWER
40S IN THE MOUNTAINS.
=
UTZ493-191300-
CENTRAL UTAH MOUNTAINS-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55% CLOUD COVER) UNTIL 2400,
THEN MOSTLY CLOUDY (70-80% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....30-40.
24 HR TREND......8 DEGREES WARMER.
MAX HUMIDITY........54-64% NEAR 5000 FEET.
49-59% NEAR 8000 FEET.
24 HR TREND......33% DRIER NEAR 5000 FEET.
16% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING
SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 35
MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 40-45 MPH.
FRIDAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....60-66 NEAR 5000 FEET.
48-58 NEAR 8000 FEET.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........21-31%.
24 HR TREND......11% DRIER.
20-FOOT WINDS.......SOUTHWEST 15-20 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST AROUND 50 MPH.
MIXING HEIGHT.......3400 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......580.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER). AREAS OF
RAIN AND SNOW AFTER 2400.
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....36-42 NEAR 5000 FEET.
29-39 NEAR 8000 FEET.
24 HR TREND......6 DEGREES WARMER NEAR 5000 FEET.
UNCHANGED NEAR 8000 FEET.
MAX HUMIDITY........64-70% NEAR 5000 FEET.
57-67% NEAR 8000 FEET.
24 HR TREND......6% WETTER.
20-FOOT WINDS.......SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 35
MPH.
12K FT MSL WINDS....WEST 45-50 MPH.
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (75-85% CLOUD COVER) UNTIL 1200,
THEN PARTLY CLOUDY (45-55% CLOUD COVER). AREAS
OF RAIN AND SNOW UNTIL 1200.
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....53-59 NEAR 5000 FEET.
44-52 NEAR 8000 FEET.
24 HR TREND......5 DEGREES COOLER.
MIN HUMIDITY........37-47%.
24 HR TREND......17% WETTER.
20-FOOT WINDS.......WEST AROUND 15 MPH IN THE MORNING BECOMING
UPSLOPE/UPVALLEY 5-10 MPH. GUSTS UP TO 30 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH BECOMING AROUND 35 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......5500 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......720.
FORECAST DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER
60S IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS. SOUTH WINDS
AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
MID 30S. HIGHS IN THE UPPER 50S IN THE VALLEYS AND IN THE MID 40S
IN THE MOUNTAINS.
THURSDAY
WIDESPREAD SNOW AND RAIN. LOWS IN THE LOWER 30S.
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE LOWER 40S IN THE
MOUNTAINS.
=
UTZ494-191300-
HENRY MOUNTAINS-
206 PM MST THU DEC 18 2025
TONIGHT
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 NEAR 5000 FEET.
34-40 NEAR 8000 FEET.
24 HR TREND......3 DEGREES WARMER.
MAX HUMIDITY........59-69% NEAR 5000 FEET.
38-48% NEAR 8000 FEET.
24 HR TREND......4% DRIER NEAR 5000 FEET.
10% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST 40-45 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....55-63 NEAR 5000 FEET.
44-53 NEAR 8000 FEET.
24 HR TREND......7 DEGREES WARMER.
MIN HUMIDITY........25-35%.
24 HR TREND......1% DRIER NEAR 5000 FEET.
10% DRIER NEAR 8000 FEET.
20-FOOT WINDS.......SOUTH AROUND 15 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH.
MIXING HEIGHT.......2500 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......310.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....31-41.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........57-67% NEAR 5000 FEET.
37-46% NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST 45-50 MPH.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....55-61 NEAR 5000 FEET.
44-53 NEAR 8000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........29-35% NEAR 5000 FEET.
34-44% NEAR 8000 FEET.
24 HR TREND......2% WETTER NEAR 5000 FEET.
7% WETTER NEAR 8000 FEET.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH BECOMING AROUND 35 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......3400 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......220.
FORECAST DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS. SOUTH
WINDS AROUND 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
SOUTH WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S IN THE VALLEYS AND IN THE MID 40S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE MID 30S.
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS.
THURSDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS AROUND 40. HIGHS
IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS.
=
UTZ495-191300-
COLOR COUNTRY WEST DESERT-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....30-40 NEAR 5000 FEET.
36-46 NEAR 7000 FEET.
24 HR TREND......9 DEGREES WARMER.
MAX HUMIDITY........57-67% NEAR 5000 FEET.
42-52% NEAR 7000 FEET.
24 HR TREND......26% DRIER NEAR 5000 FEET.
18% DRIER NEAR 7000 FEET.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH BECOMING SOUTH
AROUND 15 MPH AFTER MIDNIGHT.
12K FT MSL WINDS....WEST 40-45 MPH.
FRIDAY
SKY/WEATHER.........CLOUDY (85-95% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....59-65 NEAR 5000 FEET.
50-56 NEAR 7000 FEET.
24 HR TREND......2 DEGREES WARMER.
MIN HUMIDITY........25-35%.
24 HR TREND......3% DRIER.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 30
MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH.
MIXING HEIGHT.......3100 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......570.
FRIDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....28-38 NEAR 5000 FEET.
33-43 NEAR 7000 FEET.
24 HR TREND......2 DEGREES COOLER.
MAX HUMIDITY........65-75% NEAR 5000 FEET.
47-57% NEAR 7000 FEET.
24 HR TREND......8% WETTER.
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH.
12K FT MSL WINDS....WEST 40-45 MPH.
SATURDAY
SKY/WEATHER.........PARTLY SUNNY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....57-63 NEAR 5000 FEET.
49-55 NEAR 7000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........33-39% NEAR 5000 FEET.
34-44% NEAR 7000 FEET.
24 HR TREND......7% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 40 MPH BECOMING AROUND 30 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......4900 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......460.
FORECAST DAYS 3 THROUGH 7
SUNDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S IN THE VALLEYS AND
IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN THE
VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. SOUTH WINDS AROUND
15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S IN THE VALLEYS AND
IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN THE
VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. SOUTH WINDS AROUND
20 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 30S IN THE VALLEYS
AND IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE LOWER 60S IN
THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. SOUTH WINDS
AROUND 20 MPH.
WEDNESDAY
WIDESPREAD RAIN AND AREAS OF SNOW. LOWS IN THE MID
30S IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS
IN THE MID 50S IN THE VALLEYS AND IN THE UPPER 40S IN THE
MOUNTAINS.
THURSDAY
WIDESPREAD RAIN AND SNOW. LOWS IN THE UPPER 30S.
HIGHS IN THE MID 50S IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS.
=
UTZ496-191300-
COLOR COUNTRY MOUNTAINS-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (50-60% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....29-39.
24 HR TREND......6 DEGREES WARMER.
MAX HUMIDITY........57-67% NEAR 6000 FEET.
51-61% NEAR 8000 FEET.
24 HR TREND......10% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 45 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER) UNTIL 1200,
THEN PARTLY SUNNY (60-70% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....54-64 NEAR 6000 FEET.
48-58 NEAR 8000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........23-33%.
24 HR TREND......5% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH.
MIXING HEIGHT.......3200 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......480.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....29-39.
24 HR TREND......UNCHANGED.
MAX HUMIDITY........57-67% NEAR 6000 FEET.
52-62% NEAR 8000 FEET.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....53-62 NEAR 6000 FEET.
45-54 NEAR 8000 FEET.
24 HR TREND......3 DEGREES COOLER.
MIN HUMIDITY........32-42%.
24 HR TREND......8% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST 35-40 MPH.
MIXING HEIGHT.......4800 FT AGL.
CLIMATOLOGY......30-40TH PERCENTILE.
CLEARING INDEX......520.
FORECAST DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID
50S IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.
SOUTHWEST WINDS AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID
50S IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS. SOUTH WINDS
AROUND 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN AND SNOW. LOWS IN THE
MID 30S. HIGHS AROUND 50 IN THE VALLEYS AND IN THE MID 40S IN THE
MOUNTAINS.
THURSDAY
WIDESPREAD RAIN AND SNOW. LOWS IN THE UPPER 30S IN
THE VALLEYS AND IN THE LOWER 30S IN THE MOUNTAINS. HIGHS IN THE
UPPER 40S IN THE VALLEYS AND IN THE LOWER 40S IN THE MOUNTAINS.
=
UTZ497-191300-
MOJAVE DESERT-
206 PM MST THU DEC 18 2025
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 NEAR 3000 FEET.
37-46 NEAR 6000 FEET.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........49-59% NEAR 3000 FEET.
43-53% NEAR 6000 FEET.
24 HR TREND......UNCHANGED.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST 35-40 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....61-67 NEAR 3000 FEET.
50-57 NEAR 6000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........27-34% NEAR 3000 FEET.
30-39% NEAR 6000 FEET.
24 HR TREND......3% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 40 MPH.
MIXING HEIGHT.......3300 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......230.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....40-50 NEAR 3000 FEET.
37-44 NEAR 6000 FEET.
24 HR TREND......1 DEGREE COOLER.
MAX HUMIDITY........54-64% NEAR 3000 FEET.
46-56% NEAR 6000 FEET.
24 HR TREND......4% WETTER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 40 MPH BECOMING AROUND 30 MPH AFTER
MIDNIGHT.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (35-45% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....61-67 NEAR 3000 FEET.
50-56 NEAR 6000 FEET.
24 HR TREND......UNCHANGED.
MIN HUMIDITY........29-36% NEAR 3000 FEET.
33-43% NEAR 6000 FEET.
24 HR TREND......3% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 30 MPH.
MIXING HEIGHT.......3400 FT AGL.
CLIMATOLOGY......10-20TH PERCENTILE.
CLEARING INDEX......140.
FORECAST DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
MONDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
WEDNESDAY
WIDESPREAD RAIN. LOWS IN THE MID 40S. HIGHS AROUND
60 IN THE VALLEYS AND AROUND 50 IN THE MOUNTAINS.
THURSDAY
WIDESPREAD RAIN. LOWS IN THE UPPER 40S IN THE VALLEYS
AND IN THE LOWER 40S IN THE MOUNTAINS. HIGHS IN THE UPPER 50S IN
THE VALLEYS AND IN THE UPPER 40S IN THE MOUNTAINS.
=
UTZ498-191300-
GRAND STAIRCASE-
206 PM MST THU DEC 18 2025
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....32-42.
24 HR TREND......2 DEGREES WARMER.
MAX HUMIDITY........55-65% NEAR 4000 FEET.
61-71% NEAR 6000 FEET.
24 HR TREND......3% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....NORTHWEST AROUND 40 MPH.
FRIDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....57-67 NEAR 4000 FEET.
53-62 NEAR 6000 FEET.
24 HR TREND......4 DEGREES WARMER.
MIN HUMIDITY........24-34%.
24 HR TREND......2% DRIER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH.
MIXING HEIGHT.......3100 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......500.
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MIN TEMPERATURE.....34-43 NEAR 4000 FEET.
30-40 NEAR 6000 FEET.
24 HR TREND......1 DEGREE WARMER.
MAX HUMIDITY........56-66% NEAR 4000 FEET.
62-72% NEAR 6000 FEET.
24 HR TREND......1% DRIER.
20-FOOT WINDS.......DOWNSLOPE/DOWNVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST AROUND 45 MPH.
SATURDAY
SKY/WEATHER.........PARTLY CLOUDY (30-40% CLOUD COVER).
CHANCE LIGHTNING....0%.
CWR.................0%.
MAX TEMPERATURE.....58-65 NEAR 4000 FEET.
52-61 NEAR 6000 FEET.
24 HR TREND......1 DEGREE COOLER.
MIN HUMIDITY........26-36%.
24 HR TREND......2% WETTER.
20-FOOT WINDS.......UPSLOPE/UPVALLEY 5-10 MPH.
12K FT MSL WINDS....WEST 35-40 MPH.
MIXING HEIGHT.......3500 FT AGL.
CLIMATOLOGY......20-30TH PERCENTILE.
CLEARING INDEX......330.
FORECAST DAYS 3 THROUGH 7
SUNDAY
PARTLY CLOUDY. 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.
MONDAY
MOSTLY CLOUDY. 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 50S IN THE MOUNTAINS. WINDS GENERALLY
LESS THAN 15 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER
50S IN THE VALLEYS AND IN THE MID 50S IN THE MOUNTAINS. WINDS
GENERALLY LESS THAN 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE UPPER 30S
IN THE VALLEYS AND IN THE MID 30S IN THE MOUNTAINS. HIGHS IN THE
UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE MOUNTAINS.
THURSDAY
MOSTLY CLOUDY. AREAS OF RAIN. LOWS IN THE LOWER 40S
IN THE VALLEYS AND IN THE UPPER 30S IN THE MOUNTAINS. HIGHS IN
THE UPPER 50S IN THE VALLEYS AND IN THE LOWER 50S IN THE
MOUNTAINS.
=
.8-14 DAY OUTLOOK FOR FRIDAY DECEMBER 26 TO THURSDAY JANUARY 01
TEMPERATURE... ABOVE NORMAL
PRECIPITATION... ABOVE NORMAL
=
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