484  
FNUS55 KCYS 080850  
FWFCYS  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA  
NATIONAL WEATHER SERVICE CHEYENNE WY  
150 AM MST THU DEC 8 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING  
TO 8 PM MST THIS EVENING...  
 
...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO 8  
PM MST THIS EVENING...  
   
..WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON
 
 
...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 8 PM MST  
THIS EVENING...  
   
DISCUSSION
 
 
FIRE WEATHER CONCERNS WILL BE LOW WITH SEASONABLY COOL TEMPERATURES  
AND CHANCES FOR SNOW SHOWERS TODAY AND TONIGHT WITH THE PASSAGE OF  
A UPPER LEVEL LOW PRESSURE SYSTEM. ACCUMULATIONS WILL RANGE FROM  
4 TO 9 INCHES OVER THE SNOWY AND SIERRA MADRE MOUNTAINS, TO 2 TO 4  
INCHES ALONG THE PINE RIDGE IN THE NORTHERN NEBRASKA PANHANDLE.  
STRONG WESTERLY WINDS WILL DEVELOP EARLY THIS MORNING OVER PORTIONS  
OF SOUTHEAST WYOMING WITH GUSTS OF 60 TO 70 MPH. THESE WINDS WILL  
SUBSIDE TONIGHT BUT INCREASE ONCE AGAIN FRIDAY THROUGH SATURDAY.  
MINIMUM HUMIDITIES 30 TO 40 PERCENT TODAY, WILL DECREASE TO 25 TO  
35 PERCENT FRIDAY AND SATURDAY. A MORE POTENT UPPER LEVEL LOW  
PRESSURE SYSTEM AND COLD FRONT WILL BRING COLDER TEMPERATURES AND  
ACCUMULATING SNOWFALL TO THE REGION MONDAY THROUGH WEDNESDAY.  
 
NEZ434-082330-  
PINE RIDGE/NEBRASKA NATIONAL FOREST-  
150 AM MST THU DEC 8 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING  
TO 8 PM MST THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. SNOW SHOWERS LIKELY. PATCHY FOG AFTER  
1000 UNTIL 1200. PATCHY BLOWING SNOW AFTER 1100  
UNTIL 1500. SNOW ACCUMULATION OF 2 TO 3 INCHES.  
MAX TEMPERATURE.....32-37.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........60-66 PERCENT.  
24 HR TREND......37 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.25 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......500-1500 FT AGL.  
SMOKE DISPERSAL.....POOR (7900-17400 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS  
UNTIL 2000.  
MIN TEMPERATURE.....12-17.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......500 FT AGL.  
SMOKE DISPERSAL.....POOR (4000-7300 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....39-44.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-1100 FT AGL.  
SMOKE DISPERSAL.....POOR (5400-11800 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 19. HIGHS IN THE LOWER 40S.  
SOUTHWEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 40S. SOUTH WINDS AROUND 15 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS IN THE  
LOWER 20S. HIGHS IN THE MID 30S. NORTHEAST WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. SNOW LIKELY. PATCHY BLOWING SNOW AFTER  
MIDNIGHT. AREAS OF BLOWING SNOW. LOWS AROUND 11. HIGHS AROUND 20.   
WEDNESDAY
 
BLOWING SNOW. AREAS OF BLOWING SNOW IN THE MORNING.  
MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 9. HIGHS IN THE  
LOWER 20S.  
 

 
 
NEZ435-082330-  
BOX BUTTE/SOUTH SIOUX/NIOBRARA RIVER-  
150 AM MST THU DEC 8 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM EARLY THIS MORNING  
TO 8 PM MST THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SNOW SHOWERS LIKELY UNTIL  
1200. CHANCE OF SNOW SHOWERS AFTER 1200. AREAS OF  
FOG AFTER 0900 UNTIL 1200. PATCHY BLOWING SNOW  
AFTER 1100 UNTIL 1400. PATCHY FOG AFTER 1200  
UNTIL 1400. SNOW ACCUMULATION OF 1 TO 2 INCHES.  
MAX TEMPERATURE.....32-37.  
24 HR TREND......10 DEGREES COOLER.  
MIN HUMIDITY........67-73 PERCENT.  
24 HR TREND......46 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.20 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......600-1800 FT AGL.  
SMOKE DISPERSAL.....POOR (10700-25600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....11-16.  
24 HR TREND......7 DEGREES COOLER.  
MAX HUMIDITY........80-86 PERCENT.  
24 HR TREND......UNCHANGED.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST 10 TO 15 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......300-800 FT AGL.  
SMOKE DISPERSAL.....POOR (3300-8500 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....37-42.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........37-43 PERCENT.  
24 HR TREND......27 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......300-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (5300-13400 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 17. HIGHS IN THE UPPER 30S.  
WEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE MID 40S.  
SOUTH WINDS AROUND 10 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND  
19. HIGHS IN THE MID 30S. EAST WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH CHANCE OF SNOW. PATCHY BLOWING  
SNOW. BLOWING SNOW IN THE AFTERNOON. LOWS AROUND 9. HIGHS AROUND  
18.    
WEDNESDAY
 
MOSTLY CLOUDY. BLOWING SNOW, THEN AREAS OF BLOWING  
SNOW IN THE MORNING. SLIGHT CHANCE OF SNOW. LOWS AROUND 7. HIGHS  
IN THE LOWER 20S.  
 

 
 
NEZ436-082330-  
LOWER NORTH PLATTE RIVER BASIN/SCOTTSBLUFF NATIONAL MONUMENT-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1300. SLIGHT CHANCE  
OF SNOW SHOWERS AFTER 1300 UNTIL 1400. PATCHY  
FOG AFTER 0800 UNTIL 1100.  
MAX TEMPERATURE.....36-41.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........54-60 PERCENT.  
24 HR TREND......35 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 45 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......400-2400 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (16600-43200 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....14-19.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........69-75 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST 10 TO 15 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO AROUND 10 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......400-900 FT AGL.  
SMOKE DISPERSAL.....POOR (4000-12300 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....40-45.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......20 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......400-1800 FT AGL.  
SMOKE DISPERSAL.....POOR (5100-16400 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 20. HIGHS IN THE LOWER 40S.  
WEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE UPPER 40S.  
SOUTH WINDS AROUND 10 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW. LOWS IN THE  
LOWER 20S. HIGHS IN THE UPPER 30S. WINDS GENERALLY LESS THAN  
10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH CHANCE OF SNOW. PATCHY BLOWING  
SNOW AFTER MIDNIGHT. AREAS OF BLOWING SNOW IN THE MORNING, THEN  
BLOWING SNOW IN THE AFTERNOON. LOWS AROUND 11. HIGHS AROUND 20.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF BLOWING SNOW IN THE EVENING.  
AREAS OF BLOWING SNOW. SLIGHT CHANCE OF SNOW. LOWS AROUND 10.  
HIGHS IN THE LOWER 20S.  
 

 
 
NEZ437-082330-  
LODGEPOLE CREEK/SOUTHERN NEBRASKA PANHANDLE-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1000, THEN SLIGHT  
CHANCE OF SNOW SHOWERS UNTIL 1300.  
MAX TEMPERATURE.....39-44.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......14 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. WEST AROUND 15 MPH INCREASING TO  
NORTHWEST AROUND 25 MPH IN THE AFTERNOON. GUSTS  
UP TO 45 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO NORTHWEST  
AROUND 30 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......700 FT AGL INCREASING TO 2600-3500 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO GOOD (21100-67200 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....12-17.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........67-73 PERCENT.  
24 HR TREND......32 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST 10 TO 15 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......500-1100 FT AGL.  
SMOKE DISPERSAL.....POOR (4700-16900 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....40-45.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........24-30 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......300-2200 FT AGL.  
SMOKE DISPERSAL.....POOR (7300-22200 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 19. HIGHS IN THE LOWER 40S.  
WEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE UPPER 40S.  
SOUTH WINDS AROUND 10 MPH.    
MONDAY
 
COLDER. PARTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 20.  
HIGHS IN THE UPPER 30S. EAST WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. PATCHY  
BLOWING SNOW. BLOWING SNOW IN THE AFTERNOON. LOWS AROUND 9. HIGHS  
AROUND 20.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF BLOWING SNOW IN THE EVENING,  
THEN PATCHY BLOWING SNOW. SLIGHT CHANCE OF SNOW. LOWS AROUND 9.  
HIGHS IN THE MID 20S.  
 

 
 
WYZ417-082330-  
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL  
GRASSLAND-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY UNTIL 1500, THEN PARTLY CLOUDY. SLIGHT  
CHANCE OF SNOW SHOWERS UNTIL 0700, THEN CHANCE  
OF SNOW SHOWERS UNTIL 1400. SLIGHT CHANCE OF SNOW  
SHOWERS AFTER 1400 UNTIL 1600. PATCHY FOG AFTER  
0900 UNTIL 1000.  
MAX TEMPERATURE.....33-38.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........46-52 PERCENT.  
24 HR TREND......26 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......500-1600 FT AGL.  
SMOKE DISPERSAL.....POOR (9100-19400 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....12-18.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......300-800 FT AGL.  
SMOKE DISPERSAL.....POOR (8000-8100 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY CLOUDY  
UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....37-42.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........35-41 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......300-1900 FT AGL.  
SMOKE DISPERSAL.....POOR (9500-23700 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 16. HIGHS AROUND 40. WEST  
WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 40S. SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS IN THE  
LOWER 20S. HIGHS IN THE LOWER 30S. NORTHWEST WINDS AROUND 10 MPH.   
TUESDAY
 
COLDER. CLOUDY WITH SNOW LIKELY. PATCHY BLOWING SNOW  
AFTER MIDNIGHT. AREAS OF BLOWING SNOW. LOWS AROUND 8. HIGHS  
AROUND 17.    
WEDNESDAY
 
PATCHY BLOWING SNOW. PATCHY BLOWING SNOW IN THE  
MORNING. MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND 7.  
HIGHS IN THE LOWER 20S.  
 

 
 
WYZ418-082330-  
MIDDLE NORTH PLATTE RIVER BASIN/NIOBRARA AND CONVERSE HIGH PLAINS-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1200. SLIGHT CHANCE  
OF SNOW SHOWERS AFTER 1200. PATCHY FOG AFTER  
0700 UNTIL 1100PATCHY BLOWING SNOW AFTER 1000  
UNTIL 1400.  
MAX TEMPERATURE.....34-39.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......34 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 40 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......600-1900 FT AGL.  
SMOKE DISPERSAL.....POOR (13900-29300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....13-21.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........68-74 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......300-800 FT AGL.  
SMOKE DISPERSAL.....POOR (7900-10400 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....35-40.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........38-44 PERCENT.  
24 HR TREND......18 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......300-2200 FT AGL.  
SMOKE DISPERSAL.....POOR (10200-25100 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 16. HIGHS AROUND 40.  
SOUTHWEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE UPPER  
40S. SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS IN THE  
LOWER 20S. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH SNOW LIKELY. PATCHY BLOWING SNOW.  
BLOWING SNOW IN THE AFTERNOON. LOWS AROUND 7. HIGHS AROUND 17.    
WEDNESDAY
 
BLOWING SNOW IN THE EVENING. PATCHY BLOWING SNOW.  
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND 7. HIGHS  
AROUND 20.  
 

 
 
WYZ419-082330-  
NORTH LARAMIE RANGE AND ADJACENT HIGH PLAINS-  
150 AM MST THU DEC 8 2022  
 
...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO  
8 PM MST THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1000. SLIGHT CHANCE  
OF SNOW SHOWERS AFTER 1000 UNTIL 1100. PATCHY  
FOG UNTIL 0700. PATCHY BLOWING SNOW AFTER 0800  
UNTIL 1600.  
MAX TEMPERATURE.....26-34.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........47-53 PERCENT.  
24 HR TREND......18 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST 25 TO 30 MPH WITH GUSTS TO AROUND  
70 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 35 MPH.  
MIXING HEIGHT.......800-2000 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (35300-47900 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....16-24.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......26 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......BREEZY. WEST 20 TO 25 MPH WITH GUSTS TO AROUND  
50 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH.  
MIXING HEIGHT.......600-1100 FT AGL.  
SMOKE DISPERSAL.....POOR (15200-20800 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....29-39.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........34-40 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH. GUSTS UP TO 35 MPH  
INCREASING TO 45 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 2100-2900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (17800-45700 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 18. HIGHS IN THE MID 30S.  
WEST WINDS AROUND 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE LOWER  
40S. SOUTHWEST WINDS AROUND 20 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS IN THE  
MID 20S. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH SNOW LIKELY. PATCHY BLOWING SNOW.  
AREAS OF BLOWING SNOW IN THE AFTERNOON. LOWS AROUND 8. HIGHS  
AROUND 15.    
WEDNESDAY
 
PATCHY BLOWING SNOW IN THE EVENING. PATCHY BLOWING  
SNOW. MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS AROUND 8.  
HIGHS AROUND 18.  
 

 
 
WYZ420-082330-  
NORTH LARAMIE VALLEY/SHIRLEY BASIN-  
150 AM MST THU DEC 8 2022  
 
...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO  
8 PM MST THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY UNTIL 1200, THEN PARTLY CLOUDY. PATCHY  
FOG UNTIL 0700. CHANCE OF SNOW SHOWERS UNTIL  
1000, THEN SLIGHT CHANCE OF SNOW SHOWERS UNTIL  
1100.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........53-59 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. WEST AROUND 25 MPH WITH GUSTS TO AROUND  
60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH.  
MIXING HEIGHT.......1000-2200 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (32800-48000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....11-16.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........73-79 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 40 MPH  
BECOMING SOUTHWEST AROUND 10 MPH AND GUSTY  
AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH BECOMING SOUTHWEST AROUND 15  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......500-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (7800-16300 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....30-35.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR (12200-34900 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 13. HIGHS IN THE LOWER 30S.  
WEST WINDS AROUND 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS AROUND 18. HIGHS IN THE UPPER 30S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SNOW LIKELY. LOWS AROUND 17. HIGHS  
IN THE LOWER 30S. SOUTHEAST WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH SNOW LIKELY. PATCHY BLOWING SNOW.  
LOWS AROUND 5. HIGHS AROUND 13.    
WEDNESDAY
 
PATCHY BLOWING SNOW. MOSTLY CLOUDY WITH SLIGHT  
CHANCE OF SNOW. LOWS AROUND 4. HIGHS AROUND 15.  
 

 
 
WYZ421-082330-  
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY UNTIL 1200, THEN PARTLY CLOUDY. PATCHY  
FOG UNTIL 0700. CHANCE OF SNOW SHOWERS UNTIL  
0900. SLIGHT CHANCE OF SNOW SHOWERS AFTER 0900  
UNTIL 1100.  
MAX TEMPERATURE.....24-32.  
24 HR TREND......4 DEGREES COOLER.  
MIN HUMIDITY........52-58 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 50  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......700-1800 FT AGL.  
SMOKE DISPERSAL.....POOR (22200-31500 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0300, THEN MOSTLY CLOUDY.  
MIN TEMPERATURE.....15-21.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........73-79 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 40  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......700 FT AGL.  
SMOKE DISPERSAL.....POOR (12000-14400 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....27-33.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........49-55 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......800-2400 FT AGL.  
SMOKE DISPERSAL.....POOR (18400-38600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 15. HIGHS AROUND 30.  
SOUTHWEST WINDS AROUND 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
UPPER 30S. SOUTHWEST WINDS AROUND 20 MPH.    
MONDAY
 
SNOW LIKELY. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER  
20S. SOUTH WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH SNOW LIKELY. LOWS AROUND 8. HIGHS  
AROUND 15.    
WEDNESDAY
 
PATCHY BLOWING SNOW. MOSTLY CLOUDY WITH SLIGHT  
CHANCE OF SNOW. LOWS AROUND 6. HIGHS AROUND 16.  
 

 
 
WYZ422-082330-  
CENTRAL AND WEST CARBON-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY. PATCHY FOG UNTIL  
0700. PATCHY BLOWING SNOW AFTER 0900 UNTIL 1100.  
CHANCE OF SNOW SHOWERS UNTIL 0900. SLIGHT CHANCE  
OF SNOW SHOWERS AFTER 0900 UNTIL 1100.  
MAX TEMPERATURE.....25-30.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........58-64 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. SOUTHWEST AROUND 25 MPH WITH GUSTS TO  
AROUND 55 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 30 MPH.  
MIXING HEIGHT.......1000-2100 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (33200-43200 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....14-19.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........75-81 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH. GUSTS UP TO 45 MPH  
DECREASING TO 30 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH DECREASING TO AROUND 15  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......600 FT AGL.  
SMOKE DISPERSAL.....POOR (8300-12300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AFTER  
1100 UNTIL 1700.  
MAX TEMPERATURE.....28-33.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........49-55 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 40  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......400-2400 FT AGL.  
SMOKE DISPERSAL.....POOR (16300-35700 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 13. HIGHS AROUND 30.  
SOUTHWEST WINDS AROUND 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE MID  
30S. SOUTHWEST WINDS AROUND 20 MPH.    
MONDAY
 
SNOW LIKELY. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER  
30S. SOUTH WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 7.  
HIGHS AROUND 14.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. PATCHY  
BLOWING SNOW IN THE MORNING. LOWS AROUND 5. HIGHS AROUND 15.  
 

 
 
WYZ423-082330-  
SOUTHWEST CARBON COUNTY-  
150 AM MST THU DEC 8 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS  
AFTERNOON...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 0900. SLIGHT CHANCE  
OF SNOW SHOWERS AFTER 0900 UNTIL 1100. PATCHY  
FOG UNTIL 1000. PATCHY BLOWING SNOW AFTER 1000  
UNTIL 1600.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........60-66 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......1000-2300 FT AGL.  
SMOKE DISPERSAL.....POOR (23300-31100 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0300, THEN MOSTLY CLOUDY.  
MIN TEMPERATURE.....10-16.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........84-90 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...EXCELLENT.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......500 FT AGL.  
SMOKE DISPERSAL.....POOR (5600-5700 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY BLOWING SNOW AFTER 1100  
UNTIL 1700. CHANCE OF SNOW SHOWERS AFTER 1100  
UNTIL 1700. SLIGHT CHANCE OF SNOW SHOWERS AFTER  
1700.  
MAX TEMPERATURE.....27-32.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........52-58 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH AROUND 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 20 MPH.  
MIXING HEIGHT.......500-2100 FT AGL.  
SMOKE DISPERSAL.....POOR (11500-26100 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS.  
PATCHY BLOWING SNOW IN THE AFTERNOON. LOWS AROUND 11. HIGHS  
AROUND 30. SOUTHWEST WINDS AROUND 15 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. PATCHY  
BLOWING SNOW IN THE AFTERNOON. LOWS AROUND 17. HIGHS IN THE LOWER  
30S. SOUTH WINDS AROUND 15 MPH.    
MONDAY
 
SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 30S.  
SOUTH WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. SNOW LIKELY. LOWS AROUND 8. HIGHS AROUND 16.    
WEDNESDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 4.  
HIGHS AROUND 16.  
 

 
 
WYZ424-082330-  
SIERRA MADRE RANGE/MEDICINE BOW NF-  
150 AM MST THU DEC 8 2022  
 
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS  
AFTERNOON...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
SNOW SHOWERS LIKELY UNTIL 0900. CHANCE OF SNOW  
SHOWERS AFTER 0900 UNTIL 1100. SLIGHT CHANCE OF  
SNOW SHOWERS AFTER 1100 UNTIL 1400. PATCHY  
DENSE FOG AND BLOWING SNOW. SNOW ACCUMULATION  
UP TO 3 INCHES.  
MAX TEMPERATURE.....20-26.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........62-68 PERCENT.  
24 HR TREND......18 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 40  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......1600-2300 FT AGL.  
SMOKE DISPERSAL.....POOR (34900-38200 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....9-15.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........79-85 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......700 FT AGL.  
SMOKE DISPERSAL.....POOR (9800-11400 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. PATCHY BLOWING SNOW AFTER 0900.  
CHANCE OF SNOW SHOWERS AFTER 1100.  
MAX TEMPERATURE.....23-31.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........41-47 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.15 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH.  
MIXING HEIGHT.......600-2600 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (17800-43200 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY. CHANCE OF SNOW SHOWERS. PATCHY BLOWING  
SNOW IN THE EVENING. PATCHY BLOWING SNOW. LOWS AROUND 12. HIGHS  
IN THE UPPER 20S. SOUTHWEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. PATCHY  
BLOWING SNOW. LOWS AROUND 19. HIGHS IN THE LOWER 30S. SOUTH WINDS  
AROUND 15 MPH.    
MONDAY
 
PATCHY BLOWING SNOW. SNOW. LOWS IN THE LOWER 20S. HIGHS  
IN THE UPPER 20S. SOUTH WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER, SNOW. LOWS AROUND 7. HIGHS AROUND 13.    
WEDNESDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW. PATCHY BLOWING  
SNOW IN THE MORNING. LOWS AROUND 3. HIGHS AROUND 13.  
 

 
 
WYZ425-082330-  
UPPER NORTH PLATTE RIVER BASIN-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY. CHANCE OF SNOW  
SHOWERS UNTIL 1000, THEN SLIGHT CHANCE OF SNOW  
SHOWERS UNTIL 1200.  
MAX TEMPERATURE.....26-31.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........52-58 PERCENT.  
24 HR TREND......20 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 20 MPH WITH GUSTS TO AROUND 50  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 25 MPH.  
MIXING HEIGHT.......1100-2500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (30800-44600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....10-16.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........72-78 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH 10 TO 15 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......600 FT AGL.  
SMOKE DISPERSAL.....POOR (5700-8000 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS AFTER  
1100 UNTIL 1700, THEN SLIGHT CHANCE OF SNOW  
SHOWERS.  
MAX TEMPERATURE.....30-35.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........39-45 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......600 FT AGL INCREASING TO 2300-2800 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (12700-36300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS.  
LOWS AROUND 13. HIGHS IN THE MID 30S. SOUTHWEST WINDS AROUND  
15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS AROUND 40.  
SOUTH WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SNOW LIKELY. LOWS AROUND 20. HIGHS  
IN THE MID 30S. SOUTH WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 7.  
HIGHS AROUND 15.    
WEDNESDAY
 
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. LOWS  
AROUND 4. HIGHS AROUND 17.  
 

 
 
WYZ426-082330-  
SNOWY RANGE/MEDICINE BOW NF-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1000. SLIGHT  
CHANCE OF SNOW SHOWERS AFTER 1000 UNTIL 1100.  
PATCHY DENSE FOG UNTIL 1200. BLOWING SNOW.  
MAX TEMPERATURE.....20-26.  
24 HR TREND......8 DEGREES COOLER.  
MIN HUMIDITY........56-62 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST 25 TO 30 MPH WITH GUSTS TO AROUND  
60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 35 MPH.  
MIXING HEIGHT.......1400-2500 FT AGL.  
SMOKE DISPERSAL.....FAIR (51200-59500 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. PATCHY BLOWING SNOW UNTIL 2300.  
MIN TEMPERATURE.....6-14.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........70-76 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH. GUSTS UP TO 45 MPH  
DECREASING TO 30 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......700 FT AGL.  
SMOKE DISPERSAL.....POOR (10800-16800 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY CLOUDY. PATCHY BLOWING  
SNOW AFTER 1000 UNTIL 1300. PATCHY BLOWING SNOW  
AFTER 1500. CHANCE OF SNOW SHOWERS AFTER 1100.  
MAX TEMPERATURE.....24-30.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........36-42 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 20 TO 25 MPH.  
MIXING HEIGHT.......700 FT AGL INCREASING TO 2400-2900 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (19100-49800 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SNOW SHOWERS. PATCHY  
DENSE FOG AND BLOWING SNOW IN THE EVENING. PATCHY BLOWING SNOW.  
LOWS AROUND 11. HIGHS IN THE UPPER 20S. SOUTHWEST WINDS AROUND  
20 MPH.    
SUNDAY
 
PARTLY CLOUDY. PATCHY BLOWING SNOW. LOWS AROUND 17.  
HIGHS IN THE MID 30S. SOUTHWEST WINDS AROUND 20 MPH.    
MONDAY
 
PATCHY BLOWING SNOW IN THE EVENING. MOSTLY CLOUDY WITH  
SNOW LIKELY. LOWS AROUND 17. HIGHS IN THE UPPER 20S. SOUTHWEST  
WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. SNOW LIKELY. PATCHY BLOWING SNOW. LOWS AROUND  
5. HIGHS AROUND 11.    
WEDNESDAY
 
PATCHY BLOWING SNOW. PATCHY BLOWING SNOW IN THE  
MORNING. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND 2. HIGHS  
AROUND 12.  
 

 
 
WYZ427-082330-  
NORTH SNOWY RANGE FOOTHILLS-  
150 AM MST THU DEC 8 2022  
 
...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO  
8 PM MST THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY. CHANCE OF SNOW  
SHOWERS UNTIL 1000, THEN SLIGHT CHANCE OF SNOW  
SHOWERS UNTIL 1100.  
MAX TEMPERATURE.....25-30.  
24 HR TREND......11 DEGREES COOLER.  
MIN HUMIDITY........52-58 PERCENT.  
24 HR TREND......21 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST AROUND 35 MPH WITH GUSTS TO AROUND  
70 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.10 PERCENT.  
TRANSPORT WINDS.....WEST 40 TO 45 MPH.  
MIXING HEIGHT.......1600-2400 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (56200-70300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....13-18.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......27 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......BREEZY. WEST AROUND 25 MPH WITH GUSTS TO AROUND  
55 MPH BECOMING SOUTHWEST AROUND 10 MPH AND  
GUSTY AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH BECOMING SOUTHWEST AROUND 15  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......500-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (7800-20300 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....30-35.  
24 HR TREND......6 DEGREES WARMER.  
MIN HUMIDITY........37-43 PERCENT.  
24 HR TREND......20 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 35  
MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......400-900 FT AGL INCREASING TO 2400-2900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (13900-42300 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 15. HIGHS IN THE LOWER  
30S. SOUTHWEST WINDS AROUND 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS IN THE UPPER 30S.  
SOUTHWEST WINDS AROUND 20 MPH.    
MONDAY
 
MOSTLY CLOUDY WITH SNOW LIKELY. LOWS AROUND 20. HIGHS  
IN THE LOWER 30S. SOUTH WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH SNOW LIKELY. PATCHY BLOWING SNOW.  
LOWS AROUND 7. HIGHS AROUND 13.    
WEDNESDAY
 
PATCHY BLOWING SNOW. MOSTLY CLOUDY WITH SLIGHT  
CHANCE OF SNOW. LOWS AROUND 5. HIGHS AROUND 15.  
 

 
 
WYZ428-082330-  
SOUTHERN LARAMIE VALLEY-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY  
UNTIL 1500, THEN MOSTLY SUNNY. CHANCE OF SNOW  
SHOWERS UNTIL 0800, THEN SLIGHT CHANCE OF SNOW  
SHOWERS UNTIL 1100.  
MAX TEMPERATURE.....28-33.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........43-49 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST 25 TO 30 MPH WITH GUSTS TO AROUND  
60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH.  
MIXING HEIGHT.......1400-3000 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (45000-68000 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....10-15.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........61-67 PERCENT.  
24 HR TREND......35 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 45 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......300-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (6100-15000 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
SLIGHT CHANCE OF SNOW SHOWERS AFTER 1100.  
MAX TEMPERATURE.....32-37.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........32-38 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......500 FT AGL INCREASING TO 2500-3100 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (10200-37700 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SNOW SHOWERS. LOWS  
AROUND 13. HIGHS IN THE MID 30S. WEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS AROUND 19. HIGHS IN THE LOWER 40S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 18. HIGHS IN  
THE MID 30S. SOUTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH CHANCE OF SNOW. PATCHY BLOWING  
SNOW. LOWS AROUND 6. HIGHS AROUND 15.    
WEDNESDAY
 
PATCHY BLOWING SNOW. MOSTLY CLOUDY WITH SLIGHT  
CHANCE OF SNOW. LOWS AROUND 4. HIGHS AROUND 17.  
 

 
 
WYZ429-082330-  
SOUTHERN LARAMIE RANGE-  
150 AM MST THU DEC 8 2022  
 
...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO  
8 PM MST THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY UNTIL 0900, THEN PARTLY CLOUDY UNTIL  
1500, THEN MOSTLY SUNNY. SLIGHT CHANCE OF SNOW  
SHOWERS UNTIL 0700, THEN CHANCE OF SNOW SHOWERS  
UNTIL 0900, THEN SLIGHT CHANCE OF SNOW SHOWERS  
UNTIL 1100.  
MAX TEMPERATURE.....27-32.  
24 HR TREND......9 DEGREES COOLER.  
MIN HUMIDITY........42-48 PERCENT.  
24 HR TREND......3 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST AROUND 35 MPH WITH GUSTS TO AROUND  
65 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 40 MPH.  
MIXING HEIGHT.......1300-2700 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (58200-79300 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....14-20.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........51-57 PERCENT.  
24 HR TREND......22 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......BREEZY. WEST AROUND 25 MPH WITH GUSTS TO AROUND  
55 MPH DECREASING TO AROUND 15 MPH WITH GUSTS  
TO AROUND 35 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH DECREASING TO AROUND 20 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......600-1100 FT AGL.  
SMOKE DISPERSAL.....POOR (10000-24100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....31-36.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........27-33 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
MIXING HEIGHT.......500 FT AGL INCREASING TO 2500-3000 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR TO FAIR (12400-41800 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 17. HIGHS IN THE MID 30S.  
WEST WINDS AROUND 20 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS IN THE  
LOWER 40S. SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLOUDY. SNOW LIKELY. LOWS IN THE LOWER 20S.  
HIGHS IN THE LOWER 30S. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. SNOW LIKELY. PATCHY BLOWING SNOW AFTER  
MIDNIGHT. AREAS OF BLOWING SNOW IN THE MORNING. BLOWING SNOW IN  
THE AFTERNOON. LOWS AROUND 8. HIGHS AROUND 13.    
WEDNESDAY
 
PARTLY CLOUDY. AREAS OF BLOWING SNOW IN THE EVENING.  
AREAS OF BLOWING SNOW. SLIGHT CHANCE OF SNOW. LOWS AROUND 7.  
HIGHS AROUND 16.  
 

 
 
WYZ430-082330-  
LARAMIE FOOTHILLS AND HIGH PLAINS-  
150 AM MST THU DEC 8 2022  
 
...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 8 PM MST  
THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY UNTIL 0900, THEN PARTLY CLOUDY UNTIL  
1500, THEN MOSTLY SUNNY. SLIGHT CHANCE OF SNOW  
SHOWERS UNTIL 1100.  
MAX TEMPERATURE.....34-39.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........31-37 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST 30 TO 35 MPH WITH GUSTS TO AROUND  
70 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 35 TO 40 MPH.  
MIXING HEIGHT.......1300-3300 FT AGL.  
SMOKE DISPERSAL.....FAIR TO GOOD (53500-88600 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....18-23.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........45-51 PERCENT.  
24 HR TREND......35 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......BREEZY. WEST AROUND 25 MPH WITH GUSTS TO AROUND  
50 MPH DECREASING TO AROUND 15 MPH AND GUSTY  
AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH DECREASING TO AROUND 15 MPH  
AFTER MIDNIGHT.  
MIXING HEIGHT.......300-1100 FT AGL.  
SMOKE DISPERSAL.....POOR (7600-24100 KNOT-FT).  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY CLOUDY  
UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....37-42.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........20-26 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400 FT AGL INCREASING TO 1600-3000 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (10000-27800 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 19. HIGHS AROUND 40. WEST  
WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS IN THE UPPER  
40S. SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW. LOWS IN THE  
LOWER 20S. HIGHS IN THE UPPER 30S. NORTHWEST WINDS AROUND 10 MPH.   
TUESDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. PATCHY  
BLOWING SNOW AFTER MIDNIGHT. AREAS OF BLOWING SNOW. LOWS AROUND  
10. HIGHS AROUND 19.    
WEDNESDAY
 
PARTLY CLOUDY. AREAS OF BLOWING SNOW. PATCHY BLOWING  
SNOW IN THE MORNING. SLIGHT CHANCE OF SNOW. LOWS AROUND 9. HIGHS  
IN THE LOWER 20S.  
 

 
 
WYZ431-082330-  
LARAMIE EAST HIGH PLAINS-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY UNTIL 0900, THEN PARTLY CLOUDY UNTIL  
1500, THEN MOSTLY SUNNY. SLIGHT CHANCE OF SNOW  
SHOWERS UNTIL 0700, THEN CHANCE OF SNOW SHOWERS  
UNTIL 0900, THEN SLIGHT CHANCE OF SNOW SHOWERS  
UNTIL 1100.  
MAX TEMPERATURE.....37-42.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........33-39 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST AROUND 20 MPH INCREASING TO  
NORTHWEST AROUND 30 MPH IN THE AFTERNOON. GUSTS  
UP TO 50 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 25 MPH INCREASING TO NORTHWEST  
AROUND 35 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1000 FT AGL INCREASING TO 3000-3900 FT AGL IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (34000 KNOT-FT) INCREASING TO GOOD (87900  
KNOT-FT) IN THE AFTERNOON.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....15-20.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........55-61 PERCENT.  
24 HR TREND......29 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST AROUND 20 MPH WITH GUSTS TO AROUND 40 MPH  
DECREASING TO AROUND 10 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (4400-17200 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY CLOUDY  
UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....38-43.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........22-28 PERCENT.  
24 HR TREND......7 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (6900-15200 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 19. HIGHS IN THE LOWER 40S.  
WEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 20S. HIGHS AROUND 50.  
SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
COLDER. PARTLY CLOUDY. CHANCE OF SNOW. LOWS IN THE  
LOWER 20S. HIGHS IN THE UPPER 30S. NORTHWEST WINDS AROUND 10 MPH.   
TUESDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. PATCHY  
BLOWING SNOW AFTER MIDNIGHT. BLOWING SNOW. LOWS AROUND 9. HIGHS  
AROUND 19.    
WEDNESDAY
 
MOSTLY CLOUDY. PATCHY BLOWING SNOW. SLIGHT CHANCE OF  
SNOW. LOWS AROUND 9. HIGHS IN THE MID 20S.  
 

 
 
WYZ432-082330-  
BORDEAUX/CHUGWATER/WHEATLAND-  
150 AM MST THU DEC 8 2022  
 
...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO  
8 PM MST THIS EVENING...  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1000, THEN SLIGHT  
CHANCE OF SNOW SHOWERS UNTIL 1100.  
MAX TEMPERATURE.....35-40.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........37-43 PERCENT.  
24 HR TREND......19 PERCENT WETTER.  
20-FOOT WINDS.......WINDY. WEST 25 TO 30 MPH WITH GUSTS TO AROUND  
60 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST 30 TO 35 MPH.  
MIXING HEIGHT.......800-2700 FT AGL.  
SMOKE DISPERSAL.....POOR TO GOOD (34600-66700 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....18-24.  
24 HR TREND......5 DEGREES COOLER.  
MAX HUMIDITY........51-57 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......BREEZY. WEST AROUND 25 MPH WITH GUSTS TO AROUND  
50 MPH BECOMING SOUTHWEST AROUND 15 MPH AND  
GUSTY AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 30 MPH BECOMING SOUTHWEST AROUND 15  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (8600-22600 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....38-43.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........26-32 PERCENT.  
24 HR TREND......14 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......400-2200 FT AGL.  
SMOKE DISPERSAL.....POOR (7400-20100 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 20S. HIGHS IN THE  
LOWER 40S. WEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S. HIGHS AROUND 50.  
SOUTHWEST WINDS AROUND 10 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS IN THE  
MID 20S. HIGHS IN THE UPPER 30S. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH CHANCE OF SNOW. PATCHY BLOWING  
SNOW AFTER MIDNIGHT. AREAS OF BLOWING SNOW. LOWS AROUND 12. HIGHS  
AROUND 20.    
WEDNESDAY
 
MOSTLY CLOUDY. PATCHY BLOWING SNOW. SLIGHT CHANCE OF  
SNOW. LOWS AROUND 12. HIGHS IN THE LOWER 20S.  
 

 
 
WYZ433-082330-  
GOSHEN/MIDDLE-LOWER NORTH PLATTE RIVER BASIN-  
150 AM MST THU DEC 8 2022  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY UNTIL 1500, THEN PARTLY CLOUDY.  
CHANCE OF SNOW SHOWERS UNTIL 1000. SLIGHT  
CHANCE OF SNOW SHOWERS AFTER 1000 UNTIL 1400.  
PATCHY FOG AFTER 0800 UNTIL 1000.  
MAX TEMPERATURE.....37-42.  
24 HR TREND......7 DEGREES COOLER.  
MIN HUMIDITY........44-50 PERCENT.  
24 HR TREND......25 PERCENT WETTER.  
20-FOOT WINDS.......BREEZY. WEST 20 TO 25 MPH WITH GUSTS TO AROUND  
45 MPH.  
LAL.................1.  
CHC OF WETTING RAIN.5 PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO AROUND 30 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......500-2500 FT AGL.  
SMOKE DISPERSAL.....POOR TO FAIR (19300-48600 KNOT-FT).  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....13-18.  
24 HR TREND......3 DEGREES COOLER.  
MAX HUMIDITY........65-71 PERCENT.  
24 HR TREND......23 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......WEST 10 TO 15 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH BECOMING SOUTHWEST AROUND 10  
MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......400-1000 FT AGL.  
SMOKE DISPERSAL.....POOR (4100-12600 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY CLOUDY  
UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....39-44.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........30-36 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH AND GUSTY.  
LAL.................1.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......400-1300 FT AGL.  
SMOKE DISPERSAL.....POOR (3900-11300 KNOT-FT).  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
MOSTLY CLEAR. LOWS AROUND 19. HIGHS IN THE MID 40S.  
WEST WINDS AROUND 15 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS AROUND 20. HIGHS AROUND 50. SOUTH  
WINDS AROUND 10 MPH.    
MONDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND  
20. HIGHS IN THE UPPER 30S. WINDS GENERALLY LESS THAN 10 MPH.    
TUESDAY
 
COLDER. CLOUDY WITH CHANCE OF SNOW. PATCHY BLOWING  
SNOW AFTER MIDNIGHT. AREAS OF BLOWING SNOW IN THE MORNING, THEN  
BLOWING SNOW IN THE AFTERNOON. LOWS AROUND 10. HIGHS AROUND 20.    
WEDNESDAY
 
MOSTLY CLOUDY. AREAS OF BLOWING SNOW IN THE EVENING.  
PATCHY BLOWING SNOW. SLIGHT CHANCE OF SNOW. LOWS AROUND 9. HIGHS  
IN THE MID 20S.  
 

 
MAJ  
 
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