616  
FNUS55 KCYS 100102  
FWFCYS  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST WYOMING/WESTERN NEBRASKA  
NATIONAL WEATHER SERVICE CHEYENNE WY  
702 PM MDT WED SEP 9 2026  
 
...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY FOR GUSTY WINDS  
AND LOW RELATIVE HUMIDITIES FOR CENTRAL AND SOUTH CENTRAL WYOMING...  
   
DISCUSSION
 
CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE ACROSS  
PORTIONS OF THE FORECAST AREA THROUGH FRIDAY. VERY DRY CONDITIONS  
TONIGHT THROUGH THURSDAY NIGHT, WITH DAYTIME RELATIVE HUMIDITY POTENTIALLY  
LOWERING INTO THE SINGLE DIGITS WITH NIGHTTIME RECOVERIES NOT MUCH  
BETTER AND GENERALLY BETWEEN 15 TO 30 PERCENT ACROSS SOUTHEAST WYOMING.  
A ZONAL FLOW PATTERN WILL LEAD TO BLUSTERY CONDITIONS THROUGH THROUGH  
THE END OF THE WEEK. PRECIPITATION CHANCES RETURN FOR THE WEEKEND,  
RAISING RELATIVE HUMIDITY ABOVE CRITICAL THRESHOLDS.  
 
NEZ434-101230-  
PINE RIDGE/NEBRASKA NATIONAL FOREST-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....52-57.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........56-62 PERCENT.  
24 HR TREND......5 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
MIXING HEIGHT.......2100-4100 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (5100-9800 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....87-92.  
24 HR TREND......10 DEGREES WARMER.  
MIN HUMIDITY........9 PERCENT.  
24 HR TREND......8 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
MIXING HEIGHT.......800-2800 FT AGL INCREASING TO 5300-7300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (6800 KNOT-FT) INCREASING TO GOOD (73700  
KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....58-63.  
24 HR TREND......7 DEGREES WARMER.  
MAX HUMIDITY........19-25 PERCENT.  
24 HR TREND......36 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST  
AROUND 20 MPH AFTER MIDNIGHT.  
MIXING HEIGHT.......1300-3300 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (8200-8600 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....88-93.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........9-15 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 35 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......2900-4900 FT AGL INCREASING TO 8400-10400 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (43900 KNOT-FT) INCREASING TO EXCELLENT  
(209500 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
NOT AS WARM. PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND  
15 MPH.    
MONDAY
 
PARTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.  
NORTHWEST WINDS AROUND 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE UPPER  
70S.    
WEDNESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.  
 

 
 
NEZ435-101230-  
BOX BUTTE/SOUTH SIOUX/NIOBRARA RIVER-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........71-77 PERCENT.  
24 HR TREND......17 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......1900-3900 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6200-9800 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....85-90.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........4-10 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......700-2700 FT AGL INCREASING TO 4700-6700 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (8900 KNOT-FT) INCREASING TO GOOD (77700  
KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........30-36 PERCENT.  
24 HR TREND......61 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......900-2900 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (7900-8500 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....87-92.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........9-15 PERCENT.  
24 HR TREND......5 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......2600-4600 FT AGL INCREASING TO 8400-10400 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (34800 KNOT-FT) INCREASING TO EXCELLENT  
(200600 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
NOT AS WARM. PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S. NORTHEAST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND  
15 MPH.    
MONDAY
 
NOT AS WARM. PARTLY CLOUDY. SHOWERS LIKELY AND CHANCE  
OF THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S. NORTH  
WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
70S.    
WEDNESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S.  
 

 
 
NEZ436-101230-  
LOWER NORTH PLATTE RIVER BASIN/SCOTTSBLUFF NATIONAL MONUMENT-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....51-56.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........68-74 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......1400-3400 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (5800-9800 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....87-92.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........3-9 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......1000-3000 FT AGL INCREASING TO 5500-7500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (13100 KNOT-FT) INCREASING TO GOOD (88300  
KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........32-38 PERCENT.  
24 HR TREND......40 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......900-2900 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (7500-8500 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....88-93.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........13 PERCENT.  
24 HR TREND......6 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2300-4300 FT AGL INCREASING TO 8400-10400 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (29500 KNOT-FT) INCREASING TO EXCELLENT  
(186900 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
NOT AS WARM. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE LOWER 50S. HIGHS AROUND 80. NORTHEAST WINDS AROUND  
10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND  
15 MPH.    
MONDAY
 
NOT AS WARM. MOSTLY CLEAR. SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
NORTH WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 80S.  
 

 
 
NEZ437-101230-  
LODGEPOLE CREEK/SOUTHERN NEBRASKA PANHANDLE-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....52-57.  
24 HR TREND......4 DEGREES COOLER.  
MAX HUMIDITY........79-85 PERCENT.  
24 HR TREND......29 PERCENT WETTER.  
HUMIDITY RECOVERY...GOOD.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
MIXING HEIGHT.......1400-3400 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6500-9700 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....85-90.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........5-11 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1400-3400 FT AGL INCREASING TO 6000-8000 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (16800 KNOT-FT) INCREASING TO GOOD (81900  
KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........62-68 PERCENT.  
24 HR TREND......6 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......1500-3500 FT AGL DECREASING TO 400-900 FT AGL  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR (8800-11700 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....87-92.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........12 PERCENT.  
24 HR TREND......2 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2000-4000 FT AGL INCREASING TO 6200-8200 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (25600 KNOT-FT) INCREASING TO VERY GOOD  
(121300 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
NOT AS WARM. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. NORTHEAST WINDS  
AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S. SOUTH  
WINDS AROUND 15 MPH.    
MONDAY
 
NOT AS WARM. MOSTLY CLEAR. CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
NORTH WINDS AROUND 15 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.    
WEDNESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE  
LOWER 80S.  
 

 
 
WYZ417-101230-  
NIOBRARA/LOWER ELEVATIONS OF CONVERSE/THUNDER BASIN NATIONAL  
GRASSLAND-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....46-51.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........45-51 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......NORTHWEST AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE WEST AFTER  
MIDNIGHT.  
MIXING HEIGHT.......3800-5800 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (3000-21400 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....85-90.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........8 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST 5 TO 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......1400-3400 FT AGL INCREASING TO 5800-7800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (12000 KNOT-FT) INCREASING TO VERY GOOD  
(104700 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....56-61.  
24 HR TREND......11 DEGREES WARMER.  
MAX HUMIDITY........20-26 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......3000-5000 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (8900-21000 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....82-87.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........11-17 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 35 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......3000-5000 FT AGL INCREASING TO 8800-10800 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (48300 KNOT-FT) INCREASING TO EXCELLENT  
(228900 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. EAST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.  
SOUTH WINDS AROUND 20 MPH.    
MONDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
UPPER 70S.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 50S. HIGHS AROUND 80.  
 

 
 
WYZ418-101230-  
MIDDLE NORTH PLATTE RIVER BASIN/NIOBRARA AND CONVERSE HIGH PLAINS-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........36-42 PERCENT.  
24 HR TREND......26 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......3100-5100 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (3400-18900 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....83-88.  
24 HR TREND......5 DEGREES WARMER.  
MIN HUMIDITY........8 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST 5 TO 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......1400-3400 FT AGL INCREASING TO 5800-7800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (12900 KNOT-FT) INCREASING TO VERY GOOD  
(111100 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....55-60.  
24 HR TREND......7 DEGREES WARMER.  
MAX HUMIDITY........22-28 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2900-4900 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (7500-24100 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1500, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....80-86.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........13-19 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL INCREASING TO 8600-10600 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (48000 KNOT-FT) INCREASING TO EXCELLENT  
(239300 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S. EAST WINDS  
AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.  
SOUTH WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID  
70S.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ419-101230-  
NORTH LARAMIE RANGE AND ADJACENT HIGH PLAINS-  
702 PM MDT WED SEP 9 2026  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY
 
 
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. SMOKE UNTIL 2100PATCHY SMOKE  
AFTER 2400 UNTIL 0300.  
MIN TEMPERATURE.....46-54.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........22-28 PERCENT.  
24 HR TREND......28 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST 5 TO 10 MPH. GUSTS UP TO 35 MPH DECREASING  
TO 25 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3300-5300 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (5400-30000 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....73-83.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........2-8 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......1600-3600 FT AGL INCREASING TO 5300-7300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (26600 KNOT-FT) INCREASING TO VERY GOOD  
(134100 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....51-61.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........20-26 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......2400-4400 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (9800-35100 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....72-82.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........15-21 PERCENT.  
24 HR TREND......7 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 45 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH.  
MIXING HEIGHT.......3100-5100 FT AGL INCREASING TO 9100-11100 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (65900 KNOT-FT) INCREASING TO EXCELLENT  
(282200 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S. SOUTHEAST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 40S. HIGHS IN THE LOWER 70S.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.  
 

 
 
WYZ420-101230-  
NORTH LARAMIE VALLEY/SHIRLEY BASIN-  
702 PM MDT WED SEP 9 2026  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY
 
 
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....42-47.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........26-32 PERCENT.  
24 HR TREND......27 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 40 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3400-5400 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (4100-35400 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........7 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH INCREASING TO WEST  
AROUND 20 MPH IN THE AFTERNOON. GUSTS UP TO 40  
MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......1100-3100 FT AGL INCREASING TO 4700-6700 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (23100 KNOT-FT) INCREASING TO VERY GOOD  
(140800 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....47-52.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........25-31 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 35 MPH  
BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2500-4500 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (7400-38400 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........14-20 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 45 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO AROUND 35 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2800-4800 FT AGL INCREASING TO 8800-10800 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (58500 KNOT-FT) INCREASING TO EXCELLENT  
(286000 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 70S. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S. SOUTH  
WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE MID 70S.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.  
 

 
 
WYZ421-101230-  
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-  
702 PM MDT WED SEP 9 2026  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY
 
 
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....43-48.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........27-33 PERCENT.  
24 HR TREND......21 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST 5 TO 10 MPH. GUSTS UP TO 35 MPH DECREASING  
TO 15 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3600-5600 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (4000-35400 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....73-81.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........8 PERCENT.  
24 HR TREND......UNCHANGED.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH INCREASING TO WEST  
AROUND 20 MPH IN THE AFTERNOON. GUSTS UP TO 40  
MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH INCREASING TO WEST  
AROUND 25 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......900-2900 FT AGL INCREASING TO 4400-6400 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (20600 KNOT-FT) INCREASING TO VERY GOOD  
(134500 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......7 DEGREES WARMER.  
MAX HUMIDITY........26-32 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
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 15 TO 20 MPH.  
MIXING HEIGHT.......2500-4500 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6900-37800 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....71-79.  
24 HR TREND......6 DEGREES COOLER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......15 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 40  
MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH INCREASING TO WEST  
AROUND 30 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2600-4600 FT AGL INCREASING TO 8500-10500 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (49100 KNOT-FT) INCREASING TO EXCELLENT  
(264200 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID  
70S. WEST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 70S.    
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ422-101230-  
CENTRAL AND WEST CARBON-  
702 PM MDT WED SEP 9 2026  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY
 
 
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....41-46.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........29-35 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST 5 TO 10 MPH. GUSTS UP TO 35 MPH DECREASING  
TO 15 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......2900-4900 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (4800-32800 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........8 PERCENT.  
24 HR TREND......1 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 40  
MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH INCREASING TO WEST  
AROUND 25 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1200-3200 FT AGL INCREASING TO 4600-6600 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (23300 KNOT-FT) INCREASING TO VERY GOOD  
(136800 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........26-32 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 15 MPH AND GUSTY BECOMING SOUTHWEST  
AROUND 5 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2600-4600 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6300-36700 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......13 PERCENT WETTER.  
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 INCREASING TO WEST  
AROUND 30 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2600-4600 FT AGL INCREASING TO 8000-10000 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (45100 KNOT-FT) INCREASING TO EXCELLENT  
(239700 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 20 MPH.    
MONDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE UPPER 60S. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
70S.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.  
 

 
 
WYZ423-101230-  
SOUTHWEST CARBON COUNTY-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....40-45.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........32-38 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY SHIFTING TO THE  
SOUTH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....NORTHWEST 5 TO 10 MPH.  
MIXING HEIGHT.......3400-5400 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (3000-27600 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........9 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO WEST  
AROUND 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......900-2900 FT AGL INCREASING TO 5300-7300 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (11800 KNOT-FT) INCREASING TO VERY GOOD  
(111000 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....45-50.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........26-32 PERCENT.  
24 HR TREND......9 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 25 MPH IN  
THE EVENING.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (3900-28100 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......2 DEGREES COOLER.  
MIN HUMIDITY........16-22 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 20 MPH  
INCREASING TO 30 MPH IN THE AFTERNOON.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND 20  
MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2000-4000 FT AGL INCREASING TO 6400-8400 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (21600 KNOT-FT) INCREASING TO EXCELLENT  
(151700 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND 80. SOUTH  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS AROUND 40. HIGHS  
IN THE UPPER 60S. WEST WINDS AROUND 5 MPH.    
TUESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE LOWER 70S.    
WEDNESDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.  
 

 
 
WYZ424-101230-  
SIERRA MADRE RANGE/MEDICINE BOW NF-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....40-45.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........27-33 PERCENT.  
24 HR TREND......10 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
MIXING HEIGHT.......2900-4900 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (3700-24400 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....66-74.  
24 HR TREND......4 DEGREES WARMER.  
MIN HUMIDITY........10 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH INCREASING TO WEST  
AROUND 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1500-3500 FT AGL INCREASING TO 4600-6600 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (21500 KNOT-FT) INCREASING TO GOOD (98900  
KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....43-49.  
24 HR TREND......3 DEGREES WARMER.  
MAX HUMIDITY........23-29 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 25 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......2500-4500 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (4800-23200 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....65-73.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........16-22 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH INCREASING TO WEST  
AROUND 25 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2400-4400 FT AGL INCREASING TO 6700-8200 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (35800 KNOT-FT) INCREASING TO EXCELLENT  
(157600 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS AROUND 50. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS AROUND  
15 MPH.    
MONDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.    
WEDNESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S.  
 

 
 
WYZ425-101230-  
UPPER NORTH PLATTE RIVER BASIN-  
702 PM MDT WED SEP 9 2026  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY
 
 
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....40-45.  
24 HR TREND......2 DEGREES COOLER.  
MAX HUMIDITY........30-36 PERCENT.  
24 HR TREND......13 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (4100-29300 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........8 PERCENT.  
24 HR TREND......1 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 AROUND 10 MPH INCREASING TO WEST  
AROUND 20 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......1800-3800 FT AGL INCREASING TO 5500-7500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (24700 KNOT-FT) INCREASING TO VERY GOOD  
(125300 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....44-50.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........25-31 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......2700-4700 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (4800-29200 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........18 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH INCREASING TO WEST  
AROUND 25 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......2500-4500 FT AGL INCREASING TO 7800-9800 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (42900 KNOT-FT) INCREASING TO EXCELLENT  
(202100 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS IN THE LOWER 40S.  
HIGHS AROUND 70. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 70S.    
WEDNESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID  
70S.  
 

 
 
WYZ426-101230-  
SNOWY RANGE/MEDICINE BOW NF-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....36-44.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........30-36 PERCENT.  
24 HR TREND......16 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST 5 TO 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......2700-4700 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (5400-28700 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....64-74.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........9 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1500-3500 FT AGL INCREASING TO 5000-7000 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (28300 KNOT-FT) INCREASING TO VERY GOOD  
(117700 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....39-49.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........26-32 PERCENT.  
24 HR TREND......1 PERCENT WETTER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2300-4300 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6500-28900 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....63-73.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........17-23 PERCENT.  
24 HR TREND......12 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO AROUND 30 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2600-4600 FT AGL INCREASING TO 7200-9000 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (53200 KNOT-FT) INCREASING TO EXCELLENT  
(210100 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS AROUND 70. SOUTHWEST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS IN THE UPPER 30S.  
HIGHS IN THE MID 60S. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 60S.    
WEDNESDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.  
 

 
 
WYZ427-101230-  
NORTH SNOWY RANGE FOOTHILLS-  
702 PM MDT WED SEP 9 2026  
   
..RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THURSDAY
 
 
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....45-50.  
24 HR TREND......1 DEGREE WARMER.  
MAX HUMIDITY........22-28 PERCENT.  
24 HR TREND......20 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3100-5100 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6600-35500 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....75-80.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........7 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......1600-3600 FT AGL INCREASING TO 5200-7200 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (34400 KNOT-FT) INCREASING TO VERY GOOD  
(142900 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....50-55.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........20-26 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2600-4600 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (7700-37000 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY UNTIL 0900, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........14-20 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
20-FOOT WINDS.......WEST 15 TO 20 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 25 TO 30 MPH.  
MIXING HEIGHT.......3000-5000 FT AGL INCREASING TO 8600-10600 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD (73800 KNOT-FT) INCREASING TO EXCELLENT  
(267100 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE UPPER 70S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS AROUND 70. WEST WINDS AROUND 15 MPH.    
TUESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS IN THE  
MID 40S. HIGHS IN THE MID 70S.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE MID 70S.  
 

 
 
WYZ428-101230-  
SOUTHERN LARAMIE VALLEY-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....42-47.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........27-33 PERCENT.  
24 HR TREND......23 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......3200-5200 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (5200-31100 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....77-82.  
24 HR TREND......2 DEGREES WARMER.  
MIN HUMIDITY........6 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1900-3900 FT AGL INCREASING TO 6500-8500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (26900 KNOT-FT) INCREASING TO VERY GOOD  
(137600 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....46-51.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........21-27 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 15 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......2800-4800 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (5800-31100 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....76-81.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........16 PERCENT.  
24 HR TREND......10 PERCENT WETTER.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH INCREASING TO WEST  
AROUND 20 MPH IN THE AFTERNOON. GUSTS UP TO 40  
MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO AROUND 30 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2900-4900 FT AGL INCREASING TO 8900-10900 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (51800 KNOT-FT) INCREASING TO EXCELLENT  
(254600 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 70S.  
SOUTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS. LOWS IN THE MID 40S.  
HIGHS IN THE LOWER 70S. WEST WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 70S.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.  
 

 
 
WYZ429-101230-  
SOUTHERN LARAMIE RANGE-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....46-51.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........28-34 PERCENT.  
24 HR TREND......38 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 10 MPH. GUSTS UP TO 30 MPH  
DECREASING TO 20 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3100-5100 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6100-28000 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....74-79.  
24 HR TREND......3 DEGREES WARMER.  
MIN HUMIDITY........7 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH.  
MIXING HEIGHT.......1700-3700 FT AGL INCREASING TO 6400-8400 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (31100 KNOT-FT) INCREASING TO VERY GOOD  
(132500 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....50-55.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........16-22 PERCENT.  
24 HR TREND......3 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 10 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 25 MPH AFTER MIDNIGHT.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......3100-5100 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (7200-28400 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....72-78.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........12-18 PERCENT.  
24 HR TREND......11 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 40 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO AROUND 30 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2700-4700 FT AGL INCREASING TO 8600-10600 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (57200 KNOT-FT) INCREASING TO EXCELLENT  
(238700 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S.  
SOUTHWEST WINDS AROUND 15 MPH.    
MONDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND 70. WEST WINDS  
AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S.    
WEDNESDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.  
 

 
 
WYZ430-101230-  
LARAMIE FOOTHILLS AND HIGH PLAINS-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....48-53.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........36-42 PERCENT.  
24 HR TREND......21 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 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.......2700-4700 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6500-18700 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....81-86.  
24 HR TREND......7 DEGREES WARMER.  
MIN HUMIDITY........2-8 PERCENT.  
24 HR TREND......2 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2200-4200 FT AGL INCREASING TO 7500-9500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (28100 KNOT-FT) INCREASING TO VERY GOOD  
(118100 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....52-57.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........19-25 PERCENT.  
24 HR TREND......20 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2400-4400 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6700-17900 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....81-86.  
24 HR TREND......UNCHANGED.  
MIN HUMIDITY........14 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......2500-4500 FT AGL INCREASING TO 8300-10300 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (41300 KNOT-FT) INCREASING TO EXCELLENT  
(202400 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
NORTHWEST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND  
15 MPH.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S. WEST  
WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.    
WEDNESDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
 

 
 
WYZ431-101230-  
LARAMIE EAST HIGH PLAINS-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....49-54.  
24 HR TREND......1 DEGREE COOLER.  
MAX HUMIDITY........53-59 PERCENT.  
24 HR TREND......24 PERCENT DRIER.  
HUMIDITY RECOVERY...FAIR.  
20-FOOT WINDS.......SOUTH AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
MIXING HEIGHT.......1700-3700 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6600-12700 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....83-88.  
24 HR TREND......8 DEGREES WARMER.  
MIN HUMIDITY........3-9 PERCENT.  
24 HR TREND......12 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2000-4000 FT AGL INCREASING TO 7500-9500 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (21100 KNOT-FT) INCREASING TO VERY GOOD  
(101200 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....53-58.  
24 HR TREND......4 DEGREES WARMER.  
MAX HUMIDITY........30-36 PERCENT.  
24 HR TREND......20 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH.  
MIXING HEIGHT.......2100-4100 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6300-14700 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....84-89.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........13 PERCENT.  
24 HR TREND......4 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......2300-4300 FT AGL INCREASING TO 7100-9100 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (32100 KNOT-FT) INCREASING TO EXCELLENT  
(167000 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE LOWER 50S. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 10 MPH.   
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.  
LOWS IN THE MID 50S. HIGHS IN THE MID 80S. SOUTH WINDS AROUND  
15 MPH.    
MONDAY
 
MOSTLY CLEAR. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE UPPER 70S. NORTHWEST  
WINDS AROUND 10 MPH.    
TUESDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 70S.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ432-101230-  
BORDEAUX/CHUGWATER/WHEATLAND-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE UNTIL 2100PATCHY  
SMOKE AFTER 2400 UNTIL 0300.  
MIN TEMPERATURE.....53-58.  
24 HR TREND......2 DEGREES WARMER.  
MAX HUMIDITY........31-37 PERCENT.  
24 HR TREND......15 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
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.....SOUTH AROUND 10 MPH SHIFTING TO THE WEST AFTER  
MIDNIGHT.  
MIXING HEIGHT.......2200-4200 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (5300-14400 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....85-90.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........6 PERCENT.  
24 HR TREND......4 PERCENT DRIER.  
20-FOOT WINDS.......WEST AROUND 10 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
MIXING HEIGHT.......1800-3800 FT AGL INCREASING TO 6900-8900 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (23200 KNOT-FT) INCREASING TO VERY GOOD  
(138000 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....59-64.  
24 HR TREND......6 DEGREES WARMER.  
MAX HUMIDITY........15-21 PERCENT.  
24 HR TREND......17 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......WEST AROUND 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH.  
MIXING HEIGHT.......2100-4100 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (7600-19900 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MAX TEMPERATURE.....85-90.  
24 HR TREND......1 DEGREE COOLER.  
MIN HUMIDITY........15 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WEST AROUND 15 MPH WITH GUSTS TO AROUND 35 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 20 TO 25 MPH.  
MIXING HEIGHT.......2800-4800 FT AGL INCREASING TO 9700-11700 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (45600 KNOT-FT) INCREASING TO EXCELLENT  
(261600 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS AROUND 80. NORTHEAST  
WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S.  
SOUTH WINDS AROUND 15 MPH.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 50. HIGHS IN THE UPPER 70S.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER 80S.  
 

 
 
WYZ433-101230-  
GOSHEN/MIDDLE-LOWER NORTH PLATTE RIVER BASIN-  
702 PM MDT WED SEP 9 2026  
   
REST OF TONIGHT
 
 
SKY/WEATHER.........CLEAR.  
MIN TEMPERATURE.....50-55.  
24 HR TREND......UNCHANGED.  
MAX HUMIDITY........41-47 PERCENT.  
24 HR TREND......19 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTH AROUND 5 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT.  
MIXING HEIGHT.......1400-3400 FT AGL DECREASING TO 500 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (4000-9200 KNOT-FT).  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY.  
MAX TEMPERATURE.....88-93.  
24 HR TREND......9 DEGREES WARMER.  
MIN HUMIDITY........6 PERCENT.  
24 HR TREND......11 PERCENT DRIER.  
20-FOOT WINDS.......WEST 5 TO 10 MPH AND GUSTY.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST 10 TO 15 MPH.  
MIXING HEIGHT.......1300-3300 FT AGL INCREASING TO 6200-8200 FT AGL  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (12700 KNOT-FT) INCREASING TO VERY GOOD  
(110800 KNOT-FT) IN THE AFTERNOON.  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
MIN TEMPERATURE.....56-61.  
24 HR TREND......5 DEGREES WARMER.  
MAX HUMIDITY........18-24 PERCENT.  
24 HR TREND......21 PERCENT DRIER.  
HUMIDITY RECOVERY...POOR.  
20-FOOT WINDS.......SOUTHWEST AROUND 10 MPH.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH.  
MIXING HEIGHT.......1300-3300 FT AGL DECREASING TO 600 FT AGL AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR (6000-11100 KNOT-FT).  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY CLOUDY UNTIL 0900, THEN MOSTLY SUNNY  
UNTIL 1200, THEN PARTLY CLOUDY.  
MAX TEMPERATURE.....88-93.  
24 HR TREND......1 DEGREE WARMER.  
MIN HUMIDITY........14 PERCENT.  
24 HR TREND......8 PERCENT WETTER.  
20-FOOT WINDS.......WEST 10 TO 15 MPH WITH HIGHER GUSTS.  
CHC OF WETTING RAIN.ZERO PERCENT.  
TRANSPORT WINDS.....WEST AROUND 15 MPH INCREASING TO AROUND 25 MPH  
IN THE AFTERNOON.  
MIXING HEIGHT.......2500-4500 FT AGL INCREASING TO 9500-11500 FT  
AGL IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (36700 KNOT-FT) INCREASING TO EXCELLENT  
(236700 KNOT-FT) IN THE AFTERNOON.  
   
FORECAST DAYS 3 THROUGH 7
 
   
SATURDAY
 
NOT AS WARM. PARTLY CLOUDY WITH CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN  
THE LOWER 80S. NORTHEAST WINDS AROUND 10 MPH.    
SUNDAY
 
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S.  
SOUTH WINDS AROUND 15 MPH.    
MONDAY
 
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.  
NORTHWEST WINDS AROUND 10 MPH.    
TUESDAY
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF SHOWERS. LOWS IN  
THE UPPER 40S. HIGHS AROUND 80.    
WEDNESDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 80S.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WY Page
The Nexlab NE Page Main Text Page