484  
FNUS55 KCYS 201111  
FWFCYS  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA  
NATIONAL WEATHER SERVICE CHEYENNE WY  
411 AM MST SAT DEC 20 2025  
   
DISCUSSION  
NOW THAT THE WORST OF THIS PAST WEEK'S STRONG WINDS  
AND LOW RH VALUES ARE BEHIND US, FAIRER WEATHER IN REGARDS TO FIRE  
WEATHER CONDITIONS WILL BE EXPECTED OVER THE NEXT SEVERAL DAYS.  
WHILE GUSTY CONDITIONS MAY RETURN SUNDAY INTO MONDAY, THEY SHOULD  
BE MOSTLY RELEGATED TO THE WIND PRONE LOCATIONS OF WYOMING. MOVING  
INTO NEXT WEEK, EXPECT ABOVE NORMAL AND NEAR RECORD TEMPERATURES  
ALONGSIDE MOSTLY DRY CONDITIONS. RH VALUES MAY DROP BACK INTO THE  
TEENS BY CHRISTMAS DAY, AND THIS ALONGSIDE SOME BREEZY WINDS IN  
THE HIGH PLAINS COULD BRING AN ELEVATED FIRE WEATHER RISK AT THAT  
TIME.  
 
NEZ434-202315-  
PINE RIDGE/NEBRASKA NATIONAL FOREST-  
411 AM MST SAT DEC 20 2025  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY CLOUDY  
UNTIL 1200, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....39-44.  
24 HR TREND......23 DEGREES COOLER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 5 MPH AND GUSTY.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......700-2700 FT AGL.  
SMOKE DISPERSAL.....POOR (9300-23900 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....20-25.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........77-83 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......200-700 FT AGL.  
SMOKE DISPERSAL.....POOR (2500-4500 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......100-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (6800-9600 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
WARMER. PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN  
THE MID 60S. SOUTHWEST WINDS AROUND 15 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND 60.  
SOUTH WINDS AROUND 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS AROUND 10 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN  
THE LOWER 60S.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S.  
 
 
 
NEZ435-202315-  
BOX BUTTE/SOUTH SIOUX/NIOBRARA RIVER-  
411 AM MST SAT DEC 20 2025  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY CLOUDY  
UNTIL 1200, THEN MOSTLY SUNNY. SLIGHT CHANCE OF  
SNOW SHOWERS UNTIL 0800.  
MAX TEMPERATURE.....38-43.  
24 HR TREND......27 DEGREES COOLER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......25 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR (8600-19700 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....18-23.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........86-92 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......100-600 FT AGL.  
SMOKE DISPERSAL.....POOR (2400-4000 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......12 DEGREES WARMER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......300-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (7300-10700 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
WARMER. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN  
THE MID 60S. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. SOUTHWEST WINDS AROUND 5 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S.  
 
 
 
NEZ436-202315-  
LOWER NORTH PLATTE RIVER BASIN/SCOTTSBLUFF NATIONAL MONUMENT-  
411 AM MST SAT DEC 20 2025  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY. SLIGHT CHANCE OF  
SNOW SHOWERS UNTIL 0800SLIGHT CHANCE OF SNOW  
SHOWERS AFTER 1100 UNTIL 1400.  
MAX TEMPERATURE.....41-46.  
24 HR TREND......25 DEGREES COOLER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......34 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH AND GUSTY.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......300-2300 FT AGL.  
SMOKE DISPERSAL.....POOR (8400-15300 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....21-26.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........85-91 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......200-800 FT AGL.  
SMOKE DISPERSAL.....POOR (3000-3800 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....52-57.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH INCREASING TO AROUND 20 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......300-1200 FT AGL.  
SMOKE DISPERSAL.....POOR (6300-13700 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
WARMER. PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN  
THE MID 60S. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND 60.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S.  
 
 
 
NEZ437-202315-  
LODGEPOLE CREEK/SOUTHERN NEBRASKA PANHANDLE-  
411 AM MST SAT DEC 20 2025  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY. SLIGHT CHANCE OF  
SNOW SHOWERS UNTIL 1700CHANCE OF SHOWERS AFTER  
1300 UNTIL 1400, THEN SLIGHT CHANCE OF SHOWERS  
UNTIL 1700.  
MAX TEMPERATURE.....41-46.  
24 HR TREND......27 DEGREES COOLER.  
MIN HUMIDITY........40-46 PERCENT.  
24 HR TREND......32 PERCENT WETTER.  
20-FOOT WINDS.......NORTH AROUND 10 MPH SHIFTING TO THE WEST IN THE  
AFTERNOON. GUSTS UP TO 25 MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE WEST IN  
THE AFTERNOON.  
MIXING HEIGHT.......600-2600 FT AGL.  
SMOKE DISPERSAL.....POOR (10700-21600 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....21-26.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........91-97 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......300-900 FT AGL.  
SMOKE DISPERSAL.....POOR (3900-4300 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....51-56.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......400-1200 FT AGL.  
SMOKE DISPERSAL.....POOR (8500-15800 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
WARMER. PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN  
THE MID 60S. WEST WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
MID 60S. SOUTHWEST WINDS AROUND 5 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE  
LOWER 60S.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
UPPER 50S.  
 
 
 
WYZ417-202315-  
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL  
GRASSLAND-  
411 AM MST SAT DEC 20 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS  
MORNING...  
   
TODAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY SUNNY.  
MAX TEMPERATURE.....36-41.  
24 HR TREND......24 DEGREES COOLER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......25 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 5 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......700-2700 FT AGL.  
SMOKE DISPERSAL.....POOR (8200-30300 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....18-23.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......200-700 FT AGL.  
SMOKE DISPERSAL.....POOR (3100-5200 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....47-52.  
24 HR TREND......13 DEGREES WARMER.  
MIN HUMIDITY........48-54 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......100-1400 FT AGL.  
SMOKE DISPERSAL.....POOR (6100-11500 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 60.  
WEST WINDS AROUND 20 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN  
THE UPPER 50S.    
FRIDAY  
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S.  
 
 
 
WYZ418-202315-  
MIDDLE NORTH PLATTE RIVER BASIN/NIOBRARA AND CONVERSE HIGH PLAINS-  
411 AM MST SAT DEC 20 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS  
MORNING...  
   
TODAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY SUNNY.  
SLIGHT CHANCE OF SNOW SHOWERS UNTIL 0800.  
MAX TEMPERATURE.....36-41.  
24 HR TREND......25 DEGREES COOLER.  
MIN HUMIDITY........43-49 PERCENT.  
24 HR TREND......29 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 5 MPH AND GUSTY.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO WEST  
AROUND 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......800-2800 FT AGL.  
SMOKE DISPERSAL.....POOR (7400-35600 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....19-24.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........77-83 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......200-800 FT AGL.  
SMOKE DISPERSAL.....POOR (3700-5500 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....49-54.  
24 HR TREND......16 DEGREES WARMER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 40 MPH IN THE AFTERNOON.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......200-2100 FT AGL.  
SMOKE DISPERSAL.....POOR (10400-24300 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE UPPER 50S.  
WEST WINDS AROUND 20 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS AROUND 60.  
SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER  
60S. SOUTHWEST WINDS AROUND 10 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE  
UPPER 50S.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
50S.  
 
 
 
WYZ419-202315-  
NORTH LARAMIE RANGE AND ADJACENT HIGH PLAINS-  
411 AM MST SAT DEC 20 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS  
MORNING...  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY. CHANCE OF SNOW  
SHOWERS UNTIL 0800, THEN SLIGHT CHANCE OF SNOW  
SHOWERS UNTIL 1400. PATCHY BLOWING SNOW AFTER  
1000.  
MAX TEMPERATURE.....33-43.  
24 HR TREND......20 DEGREES COOLER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 45 MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO AROUND 35 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2500-4500 FT AGL.  
SMOKE DISPERSAL.....FAIR (56500 KNOT-FT) INCREASING TO VERY GOOD  
(147000 KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....23-31.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......400-2400 FT AGL.  
SMOKE DISPERSAL.....POOR (14100-18200 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....45-55.  
24 HR TREND......16 DEGREES WARMER.  
MIN HUMIDITY........42-48 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH. GUSTS UP TO 40 MPH  
INCREASING TO 55 MPH IN THE AFTERNOON.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH INCREASING TO AROUND 40  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1500-3500 FT AGL.  
SMOKE DISPERSAL.....FAIR (44200 KNOT-FT) INCREASING TO VERY GOOD  
(113400 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
WINDY. PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN  
THE LOWER 50S. WEST WINDS AROUND 30 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
MID 50S. SOUTHWEST WINDS AROUND 20 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
SNOW SHOWERS. LOWS AROUND 40. HIGHS IN THE LOWER 50S.    
FRIDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 40S.  
 
 
 
WYZ420-202315-  
NORTH LARAMIE VALLEY/SHIRLEY BASIN-  
411 AM MST SAT DEC 20 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS  
MORNING...  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY. CHANCE OF SNOW  
SHOWERS UNTIL 0800, THEN SLIGHT CHANCE OF SNOW  
SHOWERS UNTIL 1400.  
MAX TEMPERATURE.....37-42.  
24 HR TREND......13 DEGREES COOLER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 45 MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH INCREASING TO AROUND 40 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......3000-5000 FT AGL.  
SMOKE DISPERSAL.....GOOD (95600 KNOT-FT) INCREASING TO EXCELLENT  
(180000 KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 25 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......700-2700 FT AGL.  
SMOKE DISPERSAL.....POOR (14500-22500 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH GUSTS TO AROUND 35  
MPH INCREASING TO AROUND 20 MPH WITH GUSTS TO  
AROUND 45 MPH IN THE AFTERNOON.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH INCREASING TO AROUND 40  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1600-3600 FT AGL.  
SMOKE DISPERSAL.....POOR (36600 KNOT-FT) INCREASING TO VERY GOOD  
(119000 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER 50S.  
SOUTHWEST WINDS AROUND 20 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
CHRISTMAS DAY  
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE UPPER 30S. HIGHS AROUND 50.    
FRIDAY  
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE LOWER 30S. HIGHS IN THE MID 40S.  
 
 
 
WYZ421-202315-  
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-  
411 AM MST SAT DEC 20 2025  
   
..HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST THIS MORNING  
 
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY CLOUDY  
UNTIL 1200, THEN MOSTLY SUNNY. SLIGHT CHANCE OF  
SNOW SHOWERS UNTIL 0800.  
MAX TEMPERATURE.....35-43.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 45 MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH INCREASING TO AROUND 35 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2800-4800 FT AGL.  
SMOKE DISPERSAL.....GOOD (73300 KNOT-FT) INCREASING TO EXCELLENT  
(153500 KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....24-30.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......400-2400 FT AGL.  
SMOKE DISPERSAL.....POOR (10800-16200 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....44-52.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........45-51 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST AROUND 15 MPH INCREASING TO  
AROUND 25 MPH IN THE AFTERNOON. GUSTS UP TO 50  
MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH INCREASING TO AROUND 45  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000-3000 FT AGL.  
SMOKE DISPERSAL.....FAIR (43300 KNOT-FT) INCREASING TO VERY GOOD  
(100700 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS AROUND 40. HIGHS AROUND 50.  
SOUTHWEST WINDS AROUND 20 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS  
AROUND 40. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 20 MPH.   
CHRISTMAS DAY  
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S.    
FRIDAY  
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS  
IN THE MID 30S. HIGHS IN THE MID 40S.  
 
 
 
WYZ422-202315-  
CENTRAL AND WEST CARBON-  
411 AM MST SAT DEC 20 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS  
MORNING...  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS UNTIL 0800CHANCE  
OF SNOW SHOWERS AFTER 0800 UNTIL 1400, THEN  
SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1700.  
MAX TEMPERATURE.....38-43.  
24 HR TREND......13 DEGREES COOLER.  
MIN HUMIDITY........45-51 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH INCREASING TO AROUND 35 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2800-4800 FT AGL.  
SMOKE DISPERSAL.....GOOD (80900 KNOT-FT) INCREASING TO VERY GOOD  
(144600 KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........81-87 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR (14300-15500 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS AFTER 1100 UNTIL  
1200, THEN SLIGHT CHANCE OF SHOWERS UNTIL 1700.  
MAX TEMPERATURE.....46-51.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........45-51 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST AROUND 15 MPH INCREASING TO  
AROUND 25 MPH IN THE AFTERNOON. GUSTS UP TO 50  
MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH INCREASING TO AROUND 45  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1300-3300 FT AGL.  
SMOKE DISPERSAL.....FAIR (52300 KNOT-FT) INCREASING TO VERY GOOD  
(118400 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
BREEZY. PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS  
AROUND 50. SOUTHWEST WINDS AROUND 25 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.   
CHRISTMAS DAY  
CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE UPPER  
30S. HIGHS IN THE UPPER 40S.    
FRIDAY  
PARTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS  
IN THE MID 30S. HIGHS IN THE LOWER 40S.  
 
 
 
WYZ423-202315-  
SOUTHWEST CARBON COUNTY-  
411 AM MST SAT DEC 20 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 PM MST THIS  
EVENING...  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1700. CHANCE OF  
SHOWERS AFTER 1200 UNTIL 1600.  
MAX TEMPERATURE.....39-45.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........52-58 PERCENT.  
24 HR TREND......30 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......1600-3600 FT AGL.  
SMOKE DISPERSAL.....POOR TO GOOD (37400-78600 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
AFTER 0500.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........89-95 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......300-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (6700-9700 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1200, THEN MOSTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS UNTIL 1100SLIGHT  
CHANCE OF SHOWERS AFTER 1000. CHANCE OF SNOW  
SHOWERS AFTER 1100 UNTIL 1200.  
MAX TEMPERATURE.....46-51.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH 15 TO 20 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 25 MPH INCREASING TO SOUTHWEST  
AROUND 35 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1300-3300 FT AGL.  
SMOKE DISPERSAL.....POOR (37400 KNOT-FT) INCREASING TO GOOD (89300  
KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S. SOUTH WINDS AROUND 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE  
MID 30S. HIGHS IN THE LOWER 50S. SOUTH WINDS AROUND 15 MPH.    
CHRISTMAS DAY  
CLOUDY WITH CHANCE OF SHOWERS. LOWS IN THE MID  
30S. HIGHS IN THE UPPER 40S.    
FRIDAY  
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SNOW SHOWERS. LOWS  
IN THE LOWER 30S. HIGHS IN THE MID 40S.  
 
 
 
WYZ424-202315-  
SIERRA MADRE RANGE/MEDICINE BOW NF-  
411 AM MST SAT DEC 20 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 PM MST THIS  
EVENING...  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
PATCHY BLOWING SNOW UNTIL 0900PATCHY BLOWING  
SNOW AFTER 0900. SNOW SHOWERS UNTIL 1200, THEN  
SNOW SHOWERS LIKELY. SNOW ACCUMULATION OF 1 TO  
6 INCHES.  
MAX TEMPERATURE.....29-37.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........63-69 PERCENT.  
24 HR TREND......32 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.40 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......1700-3700 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (48300-71200 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SNOW SHOWERS UNTIL  
2000, THEN SLIGHT CHANCE OF SNOW SHOWERS.  
MIN TEMPERATURE.....22-27.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........88-94 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......100-1800 FT AGL.  
SMOKE DISPERSAL.....POOR (6900-10800 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY.  
SLIGHT CHANCE OF LIGHT FREEZING RAIN UNTIL  
1200. CHANCE OF SHOWERS AND SNOW SHOWERS.  
MAX TEMPERATURE.....36-44.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........61-67 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 45  
MPH.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH INCREASING TO AROUND 35  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1700-3700 FT AGL.  
SMOKE DISPERSAL.....FAIR (47900 KNOT-FT) INCREASING TO VERY GOOD  
(101800 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS, LIGHT FREEZING  
RAIN AND SNOW SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
40S. SOUTHWEST WINDS AROUND 20 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
40S. SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 40S. SOUTHWEST  
WINDS AROUND 10 MPH.    
CHRISTMAS DAY  
SNOW SHOWERS AND SHOWERS LIKELY. LOWS IN THE MID  
30S. HIGHS AROUND 40.    
FRIDAY  
SNOW SHOWERS AND SHOWERS LIKELY. LOWS IN THE LOWER 30S.  
HIGHS IN THE MID 30S.  
 
 
 
WYZ425-202315-  
UPPER NORTH PLATTE RIVER BASIN-  
411 AM MST SAT DEC 20 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS  
MORNING...  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1700SLIGHT CHANCE  
OF SNOW SHOWERS AFTER 1700.  
MAX TEMPERATURE.....38-43.  
24 HR TREND......14 DEGREES COOLER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......27 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH.  
MIXING HEIGHT.......2600-4600 FT AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (74000-120000 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
UNTIL 2300.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........78-84 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......600-1900 FT AGL.  
SMOKE DISPERSAL.....POOR (11200-12900 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....46-51.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 45  
MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 25 MPH INCREASING TO SOUTHWEST  
AROUND 40 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1700-3700 FT AGL.  
SMOKE DISPERSAL.....FAIR (46300 KNOT-FT) INCREASING TO VERY GOOD  
(115200 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS AROUND 50.  
SOUTHWEST WINDS AROUND 20 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS AROUND  
15 MPH.    
CHRISTMAS DAY  
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE UPPER 40S.    
FRIDAY  
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE MID 30S. HIGHS IN THE LOWER 40S.  
 
 
 
WYZ426-202315-  
SNOWY RANGE/MEDICINE BOW NF-  
411 AM MST SAT DEC 20 2025  
 
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 8 PM MST THIS  
EVENING...  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
PATCHY BLOWING SNOW UNTIL 1700. PATCHY BLOWING  
SNOW AFTER 1700. SNOW SHOWERS LIKELY UNTIL  
1400CHANCE OF SNOW SHOWERS AFTER 1400 UNTIL  
1700, THEN SLIGHT CHANCE OF SNOW SHOWERS. SNOW  
ACCUMULATION OF 1 TO 8 INCHES.  
MAX TEMPERATURE.....27-37.  
24 HR TREND......12 DEGREES COOLER.  
MIN HUMIDITY........65-71 PERCENT.  
24 HR TREND......32 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 45 MPH.  
CHC OF WETTING RAIN.40 PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH.  
MIXING HEIGHT.......2600-4600 FT AGL.  
SMOKE DISPERSAL.....GOOD TO VERY GOOD (75800-111100 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY. PATCHY BLOWING SNOW UNTIL 2200.  
SLIGHT CHANCE OF SNOW SHOWERS UNTIL 2300SLIGHT  
CHANCE OF SNOW SHOWERS AFTER 0200.  
MIN TEMPERATURE.....19-25.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........88-94 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH GUSTS TO AROUND 35  
MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR (18600-23100 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
UNTIL 1700.  
MAX TEMPERATURE.....37-47.  
24 HR TREND......13 DEGREES WARMER.  
MIN HUMIDITY........58-64 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 50  
MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH INCREASING TO AROUND 40  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1800-3800 FT AGL.  
SMOKE DISPERSAL.....GOOD (62700 KNOT-FT) INCREASING TO VERY GOOD  
(114900 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
40S. SOUTHWEST WINDS AROUND 20 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE MID  
40S. SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
MID 40S. SOUTHWEST WINDS AROUND 15 MPH.    
CHRISTMAS DAY  
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE LOWER 40S.    
FRIDAY  
MOSTLY CLOUDY WITH CHANCE OF SNOW SHOWERS AND SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE MID 30S.  
 
 
 
WYZ427-202315-  
NORTH SNOWY RANGE FOOTHILLS-  
411 AM MST SAT DEC 20 2025  
   
..HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST THIS MORNING  
 
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
PATCHY BLOWING SNOW UNTIL 1100. CHANCE OF SNOW  
SHOWERS UNTIL 1400, THEN SLIGHT CHANCE OF SNOW  
SHOWERS UNTIL 1700.  
MAX TEMPERATURE.....36-41.  
24 HR TREND......13 DEGREES COOLER.  
MIN HUMIDITY........46-52 PERCENT.  
24 HR TREND......28 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 45 MPH.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH INCREASING TO AROUND 40 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......3300-5300 FT AGL.  
SMOKE DISPERSAL.....VERY GOOD (109900 KNOT-FT) INCREASING TO  
EXCELLENT (171900 KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......900-2900 FT AGL.  
SMOKE DISPERSAL.....POOR (24200-25200 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....47-52.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........42-48 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST AROUND 15 MPH WITH GUSTS TO  
AROUND 40 MPH INCREASING TO AROUND 25 MPH WITH  
GUSTS TO AROUND 50 MPH IN THE AFTERNOON.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH INCREASING TO AROUND 45  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1900-3900 FT AGL.  
SMOKE DISPERSAL.....GOOD (65600 KNOT-FT) INCREASING TO VERY GOOD  
(142400 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
BREEZY. PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS  
AROUND 50. SOUTHWEST WINDS AROUND 25 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.   
CHRISTMAS DAY  
MOSTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE UPPER 40S.    
FRIDAY  
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE MID 30S. HIGHS IN THE LOWER 40S.  
 
 
 
WYZ428-202315-  
SOUTHERN LARAMIE VALLEY-  
411 AM MST SAT DEC 20 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS  
MORNING...  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1400, THEN SLIGHT  
CHANCE OF SNOW SHOWERS UNTIL 1700.  
MAX TEMPERATURE.....38-43.  
24 HR TREND......14 DEGREES COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......28 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH INCREASING TO AROUND 35 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2900-4900 FT AGL.  
SMOKE DISPERSAL.....GOOD (75700 KNOT-FT) INCREASING TO VERY GOOD  
(142000 KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....25-30.  
24 HR TREND......6 DEGREES COOLER.  
MAX HUMIDITY........74-80 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......600-2600 FT AGL.  
SMOKE DISPERSAL.....POOR (11400-16900 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....48-53.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........40-46 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH INCREASING TO AROUND 20  
MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH INCREASING TO AROUND 35  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1700-3700 FT AGL.  
SMOKE DISPERSAL.....POOR (38700 KNOT-FT) INCREASING TO VERY GOOD  
(102300 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN THE LOWER 50S.  
SOUTHWEST WINDS AROUND 20 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY WITH CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE LOWER 50S.    
FRIDAY  
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SNOW SHOWERS.  
LOWS IN THE MID 30S. HIGHS IN THE MID 40S.  
 
 
 
WYZ429-202315-  
SOUTHERN LARAMIE RANGE-  
411 AM MST SAT DEC 20 2025  
   
..HIGH WIND WARNING IN EFFECT UNTIL 11 AM MST THIS MORNING  
 
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
PATCHY BLOWING SNOW UNTIL 0800. SNOW SHOWERS  
LIKELY UNTIL 0800, THEN CHANCE OF SNOW SHOWERS  
UNTIL 1400, THEN SLIGHT CHANCE OF SNOW SHOWERS  
UNTIL 1700. SNOW ACCUMULATION UP TO 1 INCH.  
MAX TEMPERATURE.....35-40.  
24 HR TREND......14 DEGREES COOLER.  
MIN HUMIDITY........49-55 PERCENT.  
24 HR TREND......35 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 45 MPH.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH.  
MIXING HEIGHT.......2500-4500 FT AGL.  
SMOKE DISPERSAL.....GOOD (62100 KNOT-FT) INCREASING TO VERY GOOD  
(121800 KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........73-79 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......200-2200 FT AGL.  
SMOKE DISPERSAL.....POOR (8000-13100 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....45-50.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........40-46 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH. GUSTS UP TO 35 MPH  
INCREASING TO 50 MPH IN THE AFTERNOON.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH INCREASING TO AROUND 35  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1100-3100 FT AGL.  
SMOKE DISPERSAL.....POOR (34800 KNOT-FT) INCREASING TO GOOD (85000  
KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
BREEZY. MOSTLY CLEAR. LOWS AROUND 40. HIGHS AROUND 50.  
WEST WINDS AROUND 25 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
50S. SOUTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 50S. SOUTHWEST WINDS AROUND 15 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
SNOW SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 40S.    
FRIDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE MID 40S.  
 
 
 
WYZ430-202315-  
LARAMIE FOOTHILLS AND HIGH PLAINS-  
411 AM MST SAT DEC 20 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS  
MORNING...  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1400. CHANCE OF  
SHOWERS AFTER 1200 UNTIL 1400, THEN SLIGHT  
CHANCE OF SHOWERS AND SNOW SHOWERS UNTIL 1700.  
MAX TEMPERATURE.....43-48.  
24 HR TREND......14 DEGREES COOLER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......28 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO AROUND 30 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2600-4600 FT AGL.  
SMOKE DISPERSAL.....FAIR (42700 KNOT-FT) INCREASING TO VERY GOOD  
(117700 KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....24-29.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........79-85 PERCENT.  
24 HR TREND......18 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......300-2100 FT AGL.  
SMOKE DISPERSAL.....POOR (7400-12400 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....50-55.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......600-2600 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (17800-40700 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. WEST WINDS AROUND 20 MPH.    
TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. SOUTHWEST WINDS AROUND 10 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE UPPER 50S.    
FRIDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND SNOW  
SHOWERS. LOWS IN THE MID 30S. HIGHS IN THE LOWER 50S.  
 
 
 
WYZ431-202315-  
LARAMIE EAST HIGH PLAINS-  
411 AM MST SAT DEC 20 2025  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1400. CHANCE OF  
SHOWERS AFTER 1000 UNTIL 1400, THEN SLIGHT  
CHANCE OF SHOWERS AND SNOW SHOWERS UNTIL 1700.  
MAX TEMPERATURE.....44-49.  
24 HR TREND......18 DEGREES COOLER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......28 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......1900-3900 FT AGL.  
SMOKE DISPERSAL.....POOR (19300 KNOT-FT) INCREASING TO GOOD (70500  
KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....23-28.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........87-93 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
MIXING HEIGHT.......300-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (5300-6200 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....51-56.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 15 TO 20 MPH.  
MIXING HEIGHT.......300-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (9200-18500 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS AROUND 60.  
SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE MID  
60S. SOUTHWEST WINDS AROUND 10 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN  
THE LOWER 60S.    
FRIDAY  
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S.  
 
 
 
WYZ432-202315-  
BORDEAUX/CHUGWATER/WHEATLAND-  
411 AM MST SAT DEC 20 2025  
 
...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST EARLY THIS  
MORNING...  
   
TODAY  
 
SKY/WEATHER.........CLOUDY UNTIL 0900, THEN PARTLY CLOUDY UNTIL  
1500, THEN MOSTLY SUNNY. CHANCE OF SNOW SHOWERS  
UNTIL 0800, THEN SLIGHT CHANCE OF SNOW SHOWERS  
UNTIL 1400SLIGHT CHANCE OF SHOWERS AFTER 1300  
UNTIL 1400.  
MAX TEMPERATURE.....44-49.  
24 HR TREND......15 DEGREES COOLER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......29 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST 5 TO 10 MPH. GUSTS UP TO 25 MPH  
INCREASING TO 35 MPH IN THE AFTERNOON.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO WEST  
AROUND 25 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2000-4000 FT AGL.  
SMOKE DISPERSAL.....POOR (17600 KNOT-FT) INCREASING TO GOOD (87800  
KNOT-FT) IN THE AFTERNOON.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....26-31.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......300-1700 FT AGL.  
SMOKE DISPERSAL.....POOR (5800-7200 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 0900, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....55-60.  
24 HR TREND......11 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......900-2900 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (10200-42900 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE LOWER  
60S. SOUTHWEST WINDS AROUND 15 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. SOUTHWEST WINDS AROUND 10 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.  
SOUTHWEST WINDS AROUND 10 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN  
THE LOWER 60S.    
FRIDAY  
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 40S. HIGHS IN THE MID 50S.  
 
 
 
WYZ433-202315-  
GOSHEN/MIDDLE-LOWER NORTH PLATTE RIVER BASIN-  
411 AM MST SAT DEC 20 2025  
   
TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY. SLIGHT CHANCE OF  
SNOW SHOWERS UNTIL 1100.  
MAX TEMPERATURE.....42-47.  
24 HR TREND......23 DEGREES COOLER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......29 PERCENT WETTER.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH AND GUSTY.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 5 MPH INCREASING TO NORTHWEST  
AROUND 15 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......700-2700 FT AGL.  
SMOKE DISPERSAL.....POOR (7700-23900 KNOT-FT).  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....21-26.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......300-800 FT AGL.  
SMOKE DISPERSAL.....POOR (2800-3700 KNOT-FT).  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 1500, THEN MOSTLY CLOUDY.  
MAX TEMPERATURE.....54-59.  
24 HR TREND......13 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH INCREASING TO AROUND 20 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......200-1900 FT AGL.  
SMOKE DISPERSAL.....POOR (5600-16200 KNOT-FT).  
   
FORECAST DAYS 3 THROUGH 7  
   
MONDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. HIGHS IN THE  
LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE  
UPPER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
CHRISTMAS DAY  
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID  
60S.    
FRIDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S.  
 
 
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