794  
FNUS53 KUNR 012026  
FWFUNR  
 
FIRE WEATHER PLANNING FORECAST FOR NE WYOMING AND WRN SOUTH DAKOTA  
NATIONAL WEATHER SERVICE RAPID CITY SD  
226 PM MDT SUN AUG 1 2021  
   
DISCUSSION
 
AN UPPER LEVEL RIDGE TO THE WEST WILL DOMINATE THE  
WEATHER THROUGH THE UPCOMING WEEK. VERY WARM CONDITIONS CAN BE  
EXPECTED. SOMEWHAT ELEVATED FIRE WEATHER CONDITIONS ARE POSSIBLE  
AT TIMES THIS WEEK AS RELATIVE HUMIDITIES DROP INTO THE TEENS ON  
SOME DAYS, ESPECIALLY OVER NORTHEAST WYOMING INTO FAR WESTERN  
SOUTH DAKOTA. AT THIS POINT, WINDS LOOK TO BE RELATIVELY LIGHT  
MOST DAYS. DRY WEATHER WILL CONTINUE EARLY THIS WEEK, WITH  
ISOLATED SHOWERS AND THUNDERSTORMS POSSIBLE LATE TUESDAY THROUGH  
MIDWEEK. WETTING RAIN CHANCES WILL REMAIN LOW.  
 
WYZ314-021100-  
NORTHERN CAMPBELL-  
INCLUDING GILLETTE AND WESTON  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........53-59 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........14 PERCENT.  
20-FOOT WINDS.......SOUTH 10 TO 15 MPH SHIFTING TO THE EAST 5 TO 10  
MPH IN THE AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTH AROUND 20 MPH BECOMING WEST AROUND 10 MPH  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......8000 TO 10000 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........54-60 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......400 TO 500 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
CHC OF WETTING RAIN.10 PERCENT.  
LAL.................1 UNTIL 1200, THEN 2.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........20 PERCENT.  
20-FOOT WINDS.......NORTHWEST 10 TO 15 MPH.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH.  
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7900 TO 9900 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 90S.  
NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 90. WEST WINDS  
15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 90.   
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER  
90S.  
 

 
 
WYZ315-021100-  
SOUTHERN CAMPBELL-  
INCLUDING WRIGHT AND SAVAGETON  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........58-65 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........16 PERCENT.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH SHIFTING TO THE SOUTHEAST IN  
THE AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7200 TO 9000 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 59.  
MAX HUMIDITY........60 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE WEST  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......400 TO 500 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.  
CHC OF WETTING RAIN.10 PERCENT.  
LAL.................1 UNTIL 1200, THEN 2.  
MAX TEMPERATURE.....AROUND 87.  
MIN HUMIDITY........22 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 15 MPH.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH.  
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......8000 TO 10000 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.  
NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE  
LOWER 90S. SOUTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.  
WEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER  
80S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER  
90S.  
 

 
 
WYZ316-021100-  
CROOK COUNTY PLAINS-  
INCLUDING MOORCROFT, DEVILS TOWER, HULETT, AND NEW HAVEN  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........55-62 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........16 PERCENT.  
20-FOOT WINDS.......SOUTH 10 TO 15 MPH SHIFTING TO THE EAST 5 TO 10  
MPH IN THE AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTH AROUND 20 MPH BECOMING WEST AROUND 10 MPH  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7900 TO 9900 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 60.  
MAX HUMIDITY........56-62 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........20 PERCENT.  
20-FOOT WINDS.......WEST 5 TO 10 MPH SHIFTING TO THE NORTH 10 TO 15  
MPH IN THE AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTHWEST IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....POOR INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7900 TO 9900 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 90S.  
NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE MID 90S.  
SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 90. WEST WINDS  
AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE  
UPPER 80S.    
SUNDAY
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.  
 

 
 
WYZ317-021100-  
WESTON COUNTY PLAINS-  
INCLUDING NEWCASTLE, UPTON, AND ROCHELLE  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 56.  
MAX HUMIDITY........56-63 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........2 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........16 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 5 TO 10 MPH.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7100 TO 8900 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 60.  
MAX HUMIDITY........49-56 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........19 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....NORTHWEST 15 TO 20 MPH.  
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......8200 TO 10300 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 80S.  
NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE  
LOWER 90S. SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S. HIGHS IN THE  
LOWER 90S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS AROUND 90.   
SUNDAY
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE LOWER 90S.  
 

 
 
WYZ318-021100-  
WYOMING BLACK HILLS-  
INCLUDING SUNDANCE AND FOUR CORNERS  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....56-62.  
MAX HUMIDITY........49-57 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........2 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....83-89.  
MIN HUMIDITY........18-24 PERCENT.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH SHIFTING TO THE NORTH IN THE  
AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE WEST IN  
THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7200 TO 9100 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........48-56 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....82-88.  
MIN HUMIDITY........24 PERCENT.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH SHIFTING TO THE NORTH IN  
THE AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7600 TO 9600 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S.  
NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS AROUND 60. HIGHS IN THE UPPER 80S.  
SOUTH WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S. WEST  
WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
80S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER  
80S.  
 

 
 
SDZ327-021100-  
BUTTE COUNTY AREA-  
INCLUDING BELLE FOURCHE, COLONY, AND NEWELL  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 60.  
MAX HUMIDITY........61-67 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........20 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 5 TO 10 MPH SHIFTING TO THE NORTHEAST  
IN THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....WEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7600 TO 9600 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 60.  
MAX HUMIDITY........61 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........22 PERCENT.  
20-FOOT WINDS.......EAST 5 TO 10 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7700 TO 9700 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE  
LOWER 90S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. SOUTHEAST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER  
90S.  
 

 
 
SDZ319-021100-  
NORTHERN BLACK HILLS-  
INCLUDING LEAD, DEADWOOD, AND ROCHFORD  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....50-58.  
MAX HUMIDITY........53-63 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
10 TO 15 MPH AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....76-84.  
MIN HUMIDITY........24-30 PERCENT.  
20-FOOT WINDS.......WEST 5 TO 10 MPH SHIFTING TO THE NORTHEAST IN  
THE AFTERNOON.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTH IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....FAIR.  
MIXING HEIGHT.......6400 TO 8100 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....53-61.  
MAX HUMIDITY........51-61 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....76-84.  
MIN HUMIDITY........28 PERCENT.  
20-FOOT WINDS.......NORTHWEST 5 TO 10 MPH SHIFTING TO THE EAST IN  
THE AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH.  
SMOKE DISPERSAL.....FAIR.  
MIXING HEIGHT.......6800 TO 8600 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.  
NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE  
LOWER 80S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.  
SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER  
70S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER  
80S.  
 

 
 
SDZ320-021100-  
CENTRAL BLACK HILLS-  
INCLUDING CUSTER, HILL CITY, AND KEYSTONE  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....51-59.  
MAX HUMIDITY........53-63 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....77-85.  
MIN HUMIDITY........23-29 PERCENT.  
20-FOOT WINDS.......WEST 5 TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTH IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....FAIR.  
MIXING HEIGHT.......6700 TO 8400 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....55-61.  
MAX HUMIDITY........48-58 PERCENT.  
20-FOOT WINDS.......EAST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....77-85.  
MIN HUMIDITY........28 PERCENT.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH SHIFTING TO THE WEST IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....FAIR.  
MIXING HEIGHT.......7100 TO 8900 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS AROUND 60. HIGHS AROUND 80. NORTHWEST WINDS  
AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
80S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE MID 80S.  
SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE  
LOWER 80S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE MID  
80S.  
 

 
 
SDZ321-021100-  
SOUTHERN BLACK HILLS-  
INCLUDING PRINGLE, CUSTER STATE PARK, AND WIND CAVE  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........52-58 PERCENT.  
20-FOOT WINDS.......EAST 5 TO 10 MPH SHIFTING TO THE NORTHWEST  
AFTER MIDNIGHT.  
HAINES INDEX........2 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....84-90.  
MIN HUMIDITY........22 PERCENT.  
20-FOOT WINDS.......WEST 5 TO 10 MPH SHIFTING TO THE SOUTHEAST IN  
THE AFTERNOON.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....WEST AROUND 10 MPH.  
SMOKE DISPERSAL.....FAIR.  
MIXING HEIGHT.......7000 TO 8800 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 62.  
MAX HUMIDITY........47-53 PERCENT.  
20-FOOT WINDS.......NORTHEAST 5 TO 10 MPH.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE NORTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....84-90.  
MIN HUMIDITY........24 PERCENT.  
20-FOOT WINDS.......NORTHEAST 5 TO 10 MPH SHIFTING TO THE EAST IN  
THE AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST AROUND 10 MPH SHIFTING TO THE  
SOUTHEAST IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR.  
MIXING HEIGHT.......7400 TO 9300 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 80S.  
NORTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 90.  
SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS AROUND 90.  
SOUTHWEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE  
UPPER 80S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER  
90S.  
 

 
 
SDZ322-021100-  
FALL RIVER COUNTY AREA-  
INCLUDING HOT SPRINGS, EDGEMONT, AND ARDMORE  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........58-65 PERCENT.  
20-FOOT WINDS.......EAST 5 TO 10 MPH.  
HAINES INDEX........2 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........16 PERCENT.  
20-FOOT WINDS.......SOUTHWEST AROUND 5 MPH SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7200 TO 9100 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 62.  
MAX HUMIDITY........52-59 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........19 PERCENT.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......8400 TO 10500 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 90. NORTHWEST  
WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE  
LOWER 90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S.  
 

 
 
SDZ323-021100-  
NORTHERN FOOT HILLS-  
INCLUDING SPEARFISH AND STURGIS  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........53-60 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........22 PERCENT.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH SHIFTING TO THE NORTHEAST IN  
THE AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....NORTHWEST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7000 TO 8800 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........50-57 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........25 PERCENT.  
20-FOOT WINDS.......NORTHEAST 5 TO 10 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7400 TO 9300 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 80S.  
NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER  
90S. EAST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS AROUND 90. WEST WINDS  
AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE  
UPPER 80S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER  
90S.  
 

 
 
SDZ324-021100-  
EASTERN FOOT HILLS-  
INCLUDING RAPID CITY AND PIEDMONT  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........54-61 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........21 PERCENT.  
20-FOOT WINDS.......WEST 5 TO 10 MPH SHIFTING TO THE NORTHEAST IN  
THE AFTERNOON.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTH IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7200 TO 9000 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........52-58 PERCENT.  
20-FOOT WINDS.......EAST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........23 PERCENT.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTH 10 TO 15 MPH.  
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7600 TO 9500 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE UPPER 80S.  
NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE LOWER  
90S. NORTHEAST WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE  
LOWER 90S. SOUTHWEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS AROUND 90.   
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S.  
 

 
 
SDZ325-021100-  
CUSTER COUNTY PLAINS-  
INCLUDING HERMOSA, FAIRBURN, BUFFALO GAP, AND FOLSOM  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........62-69 PERCENT.  
20-FOOT WINDS.......EAST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
HAINES INDEX........3 VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....EAST AROUND 10 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........19 PERCENT.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH SHIFTING TO THE NORTHEAST  
IN THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7300 TO 9200 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........58-65 PERCENT.  
20-FOOT WINDS.......EAST 5 TO 10 MPH SHIFTING TO THE NORTHWEST  
AFTER MIDNIGHT.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE WEST AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........21 PERCENT.  
20-FOOT WINDS.......NORTH 5 TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 10 MPH.  
SMOKE DISPERSAL.....FAIR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7900 TO 9900 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 90. NORTHWEST  
WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. EAST WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S. SOUTHWEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE  
LOWER 90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S.  
 

 
 
SDZ326-021100-  
PINE RIDGE AREA-  
INCLUDING PINE RIDGE, OELRICHS, BATESLAND, AND KYLE  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........69 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........4 LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........16 PERCENT.  
20-FOOT WINDS.......SOUTHWEST 5 TO 10 MPH SHIFTING TO THE NORTH IN  
THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7400 TO 9300 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 60.  
MAX HUMIDITY........66 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........19 PERCENT.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......8600 TO 10800 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 90. NORTHWEST  
WINDS 10 TO 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. WEST WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE UPPER  
90S.  
 

 
 
SDZ328-021100-  
PERKINS COUNTY-  
INCLUDING LEMMON AND BISON  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........68-75 PERCENT.  
20-FOOT WINDS.......EAST 5 TO 10 MPH SHIFTING TO THE SOUTHEAST  
AFTER MIDNIGHT.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 10 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........20 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 5 TO 10 MPH SHIFTING TO THE NORTHEAST  
IN THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR INCREASING TO GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7000 TO 8800 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 60.  
MAX HUMIDITY........61-67 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........22 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH.  
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7800 TO 9800 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S.  
NORTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. NORTHEAST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S. SOUTH  
WINDS AROUND 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS AROUND 90.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S.  
 

 
 
SDZ329-021100-  
WEST CENTRAL PLAINS-  
INCLUDING FAITH, ELLSWORTH AFB, NEW UNDERWOOD, AND WALL  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 59.  
MAX HUMIDITY........61-67 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........18 PERCENT.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH SHIFTING TO THE NORTHEAST IN  
THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7200 TO 9000 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........61 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........20 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.  
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......8300 TO 10400 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S.  
NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. NORTHEAST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE  
LOWER 90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S.  
 

 
 
SDZ332-021100-  
BADLANDS AREA-  
INCLUDING INTERIOR, SCENIC, ROCKYFORD, AND WANBLEE  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........68-74 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........17 PERCENT.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH SHIFTING TO THE NORTH 5  
TO 10 MPH IN THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7400 TO 9300 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........64-70 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTHEAST  
AFTER MIDNIGHT.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........19 PERCENT.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH SHIFTING TO THE EAST 10 TO 15  
MPH IN THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTH AROUND 10 MPH SHIFTING TO THE NORTHEAST  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......8600 TO 10800 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S.  
NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE  
UPPER 90S. NORTH WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE  
UPPER 90S. SOUTHWEST WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER  
90S.  
 

 
 
SDZ333-021100-  
BENNETT COUNTY AREA-  
INCLUDING MARTIN, TUTHILL, ALLEN, AND LONG VALLEY  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........73-79 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......400 TO 500 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........19 PERCENT.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH SHIFTING TO THE NORTH 5  
TO 10 MPH IN THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 20 MPH BECOMING NORTHWEST  
AROUND 10 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7200 TO 9100 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 60.  
MAX HUMIDITY........69-76 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......400 TO 500 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........21 PERCENT.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 15 MPH SHIFTING TO THE  
NORTHEAST IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......8400 TO 10600 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 90. NORTHWEST  
WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. NORTHWEST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S. SOUTHWEST WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE  
LOWER 90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER  
90S.  
 

 
 
SDZ330-021100-  
ZIEBACH COUNTY-  
INCLUDING DUPREE AND GLAD VALLEY  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........74 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHEAST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........21 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 5 TO 10 MPH SHIFTING TO THE NORTHEAST  
IN THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......6900 TO 8700 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 62.  
MAX HUMIDITY........66 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....NORTHEAST 10 TO 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........21 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH.  
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7900 TO 9900 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE  
LOWER 90S. WEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. NORTHEAST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 90S. SOUTH  
WINDS AROUND 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S.  
 

 
 
SDZ331-021100-  
HAAKON COUNTY AREA-  
INCLUDING PHILIP, KADOKA, BELVIDERE, AND MIDLAND  
226 PM MDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........75 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 93.  
MIN HUMIDITY........19 PERCENT.  
20-FOOT WINDS.......SOUTH 5 TO 10 MPH SHIFTING TO THE NORTHEAST IN  
THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST AROUND 10 MPH SHIFTING TO THE  
NORTHWEST IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7500 TO 9400 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........65-71 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTHEAST  
AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........20 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH.  
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......8500 TO 10700 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE  
LOWER 90S. NORTHWEST WINDS AROUND 15 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE  
UPPER 90S. NORTH WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE UPPER  
90S. SOUTH WINDS AROUND 15 MPH.    
SATURDAY
 
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE MID 90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER  
90S.  
 

 
 
SDZ334-021100-  
MELLETTE AND TODD COUNTIES-  
INCLUDING MISSION, WHITE RIVER, AND SAINT FRANCIS  
326 PM CDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........75-81 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......400 TO 500 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........23 PERCENT.  
20-FOOT WINDS.......SOUTHWEST 10 TO 15 MPH SHIFTING TO THE EAST IN  
THE AFTERNOON.  
GUSTS TO AROUND 25 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....WEST 15 TO 20 MPH.  
SMOKE DISPERSAL.....FAIR INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......7400 TO 9300 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........73-80 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........24 PERCENT.  
20-FOOT WINDS.......SOUTH 10 TO 15 MPH SHIFTING TO THE SOUTHEAST IN  
THE AFTERNOON.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH SHIFTING TO THE SOUTHEAST  
IN THE AFTERNOON.  
SMOKE DISPERSAL.....GOOD INCREASING TO EXCELLENT IN THE AFTERNOON.  
MIXING HEIGHT.......8600 TO 10800 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS IN THE LOWER 90S.  
SOUTHWEST WINDS 15 TO 20 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. HIGHS IN THE MID  
90S. NORTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE  
UPPER 90S. SOUTH WINDS AROUND 20 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER  
90S.  
 

 
 
SDZ335-021100-  
TRIPP COUNTY-  
INCLUDING WINNER, COLOME, AND HAMILL  
326 PM CDT SUN AUG 1 2021  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 58.  
MAX HUMIDITY........75-81 PERCENT.  
20-FOOT WINDS.......EAST 10 TO 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....EAST AROUND 15 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......300 TO 400 FT AGL.  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. PATCHY SMOKE.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........22-28 PERCENT.  
20-FOOT WINDS.......SOUTH 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTHWEST 15 TO 20 MPH.  
SMOKE DISPERSAL.....GOOD.  
MIXING HEIGHT.......7000 TO 8800 FT AGL.  
   
MONDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 61.  
MAX HUMIDITY........75-82 PERCENT.  
20-FOOT WINDS.......SOUTHEAST 10 TO 15 MPH.  
HAINES INDEX........5 MODERATE POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....SOUTH 20 TO 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......400 TO 500 FT AGL.  
   
TUESDAY
 
 
SKY/WEATHER.........SUNNY.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 91.  
MIN HUMIDITY........23-29 PERCENT.  
20-FOOT WINDS.......SOUTH 10 TO 15 MPH.  
HAINES INDEX........6 HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE  
GROWTH.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
SMOKE DISPERSAL.....GOOD INCREASING TO VERY GOOD IN THE AFTERNOON.  
MIXING HEIGHT.......8800 TO 11000 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
WEDNESDAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 90. SOUTHWEST  
WINDS 15 TO 20 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S. NORTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE  
UPPER 90S. SOUTH WINDS 15 TO 20 MPH.    
SATURDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE MID  
90S.    
SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 60S. HIGHS IN THE UPPER  
90S.  
 

 
 
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