404  
FNUS53 KUNR 181202  
FWFUNR  
 
FIRE WEATHER PLANNING FORECAST FOR NE WYOMING AND WRN SOUTH DAKOTA  
NATIONAL WEATHER SERVICE RAPID CITY SD  
502 AM MST SUN FEB 18 2018  
   
DISCUSSION
 
A STRONG UPPER LEVEL SYSTEM WILL IMPACT THE AREA LATER TODAY  
THROUGH MONDAY NIGHT. SIGNIFICANT SNOWFALL OF 6 TO 12 INCHES IS EXPECTED  
ACROSS MUCH OF THE AREA, WITH LOCALLY HIGHER AMOUNTS LIKELY. BITTER COLD  
TEMPERATURES CAN BE EXPECTED FOR THE FIRST HALF OF THE WEEK.  
 
WYZ297-190115-  
NORTHERN CAMPBELL-  
INCLUDING THE CITY OF GILLETTE  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW LIKELY UNTIL  
1200. SNOW AFTER 1200.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 28.  
MIN HUMIDITY........61-69 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1400 TO 1800 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW UNTIL 2400. SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 2 BELOW.  
MAX HUMIDITY........94-100 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 15 MPH.  
GUSTS TO AROUND 25 MPH IN THE EVENING.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1200 TO 1400 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. SNOW LIKELY.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 4 ABOVE.  
MIN HUMIDITY........71-77 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1900 TO 2400 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND  
16 BELOW. HIGHS AROUND 3. WEST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
NOT AS COLD. PARTLY CLOUDY. LOWS AROUND 14 BELOW.  
HIGHS AROUND 14. SOUTH WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS NEAR ZERO. HIGHS IN THE LOWER  
20S. SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 5. HIGHS IN THE MID 20S.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 6. HIGHS IN THE UPPER 20S.  
 

 
 
WYZ259-190115-  
SOUTHERN CAMPBELL-  
INCLUDING THE CITY OF WRIGHT  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1200, THEN SNOW.  
PATCHY BLOWING SNOW AFTER 1200.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 30.  
MIN HUMIDITY........44-50 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1400 TO 1800 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW UNTIL 2400. SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 3 BELOW.  
MAX HUMIDITY........93-99 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 20 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTH 20 TO 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1000 TO 1200 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. SNOW UNTIL 1200, THEN CHANCE OF SNOW.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 4 ABOVE.  
MIN HUMIDITY........73-81 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 15 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......2000 TO 2500 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND  
17 BELOW. HIGHS AROUND 3. NORTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
NOT AS COLD. PARTLY CLOUDY. LOWS AROUND 15 BELOW.  
HIGHS AROUND 15. SOUTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS NEAR ZERO. HIGHS IN THE MID 20S.  
SOUTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 6. HIGHS IN THE UPPER 20S.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 5. HIGHS IN THE UPPER 20S.  
 

 
 
WYZ298-190115-  
CROOK AND WESTON COUNTY PLAINS-  
INCLUDING THE CITIES OF COLONY, MOORCROFT, NEWCASTLE, AND UPTON  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. SNOW LIKELY UNTIL 1200, THEN SNOW.  
PATCHY BLOWING SNOW AFTER 1200.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 30.  
MIN HUMIDITY........45-69 PERCENT.  
20-FOOT WINDS.......NORTH 15 TO 20 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1500 TO 1900 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 1 BELOW.  
MAX HUMIDITY........89-96 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH.  
GUSTS TO AROUND 25 MPH IN THE EVENING.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 20 TO 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......700 TO 800 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. SNOW UNTIL 1200, THEN CHANCE OF SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 7 ABOVE.  
MIN HUMIDITY........69-76 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......2000 TO 2600 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND  
16 BELOW. HIGHS AROUND 4. NORTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
PARTLY CLOUDY. LOWS AROUND 16 BELOW. HIGHS AROUND  
13. SOUTH WINDS 10 TO 15 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 3 BELOW. HIGHS IN THE  
LOWER 20S. SOUTH WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 5. HIGHS IN THE UPPER 20S.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 5. HIGHS IN THE UPPER 20S.  
 

 
 
WYZ299-190115-  
WYOMING BLACK HILLS-  
INCLUDING THE CITIES OF SUNDANCE AND FOUR CORNERS  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. SNOW LIKELY UNTIL 1200, THEN SNOW.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 29.  
MIN HUMIDITY........50-60 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 15 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1500 TO 1900 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 2 BELOW.  
MAX HUMIDITY........86-96 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST AROUND 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......600 TO 700 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. SNOW UNTIL 1200, THEN CHANCE OF SNOW.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 6 ABOVE.  
MIN HUMIDITY........62-72 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....EAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1900 TO 2400 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND  
15 BELOW. HIGHS AROUND 5. NORTHWEST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 13 BELOW. HIGHS AROUND 14.  
SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS NEAR ZERO. HIGHS IN THE MID 20S.  
SOUTH WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 7. HIGHS IN THE UPPER 20S.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 8. HIGHS AROUND 30.  
 

 
 
SDZ260-190115-  
NORTHERN BLACK HILLS-  
INCLUDING THE CITIES OF LEAD, DEADWOOD, SPEARFISH, AND STURGIS  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1200, THEN SNOW.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 31.  
MIN HUMIDITY........49-60 PERCENT.  
20-FOOT WINDS.......NORTHWEST 15 TO 20 MPH WITH GUSTS TO AROUND 30  
MPH.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHWEST AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1500 TO 1900 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 3 BELOW.  
MAX HUMIDITY........90-98 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 20 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......600 TO 700 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. SNOW.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 3 ABOVE.  
MIN HUMIDITY........69-79 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST AROUND 15 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1500 TO 1900 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND  
13 BELOW. HIGHS AROUND 5. NORTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 13 BELOW. HIGHS AROUND 14.  
SOUTH WINDS AROUND 10 MPH.    
THURSDAY
 
NOT AS COLD. PARTLY CLOUDY. LOWS NEAR ZERO. HIGHS IN  
THE MID 20S. WEST WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 7. HIGHS IN THE UPPER 20S.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 9. HIGHS IN THE LOWER 30S.  
 

 
 
SDZ262-190115-  
SOUTHERN BLACK HILLS-  
INCLUDING THE CITIES OF RAPID CITY, HILL CITY, CUSTER,  
HOT SPRINGS, AND EDGEMONT  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 1200, THEN SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....32-38.  
MIN HUMIDITY........40-50 PERCENT.  
20-FOOT WINDS.......NORTHWEST 15 TO 20 MPH SHIFTING TO THE  
NORTHEAST 15 TO 25 MPH IN THE AFTERNOON.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....NORTHWEST AROUND 20 MPH INCREASING TO NORTHEAST  
AROUND 30 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1400 TO 1800 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW.  
CHC OF WETTING RAIN.70 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 1 BELOW.  
MAX HUMIDITY........84-92 PERCENT.  
20-FOOT WINDS.......NORTHEAST 15 TO 25 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST AROUND 30 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......500 TO 600 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 6 ABOVE.  
MIN HUMIDITY........70-80 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 20 TO 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1600 TO 2000 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND  
12 BELOW. HIGHS AROUND 6. NORTHWEST WINDS AROUND 15 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 14 BELOW. HIGHS AROUND 16.  
SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS NEAR ZERO. HIGHS IN THE MID 20S.  
WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 7. HIGHS AROUND 30.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 8.  
HIGHS IN THE LOWER 30S.  
 

 
 
SDZ261-190115-  
NORTHWESTERN SOUTH DAKOTA PLAINS-  
INCLUDING THE CITIES OF BELLE FOURCHE, BISON, FAITH,  
UNION CENTER, NEW UNDERWOOD, AND WASTA  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1200.  
CHANCE OF SNOW AFTER 1200.  
CHC OF WETTING RAIN.40 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....22-29.  
MIN HUMIDITY........69-76 PERCENT.  
20-FOOT WINDS.......NORTH 15 TO 25 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1600 TO 2000 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 1 BELOW.  
MAX HUMIDITY........84-91 PERCENT.  
20-FOOT WINDS.......NORTH 15 TO 25 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1100 TO 1300 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW UNTIL 1200.  
SNOW LIKELY AFTER 1200.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 4 ABOVE.  
MIN HUMIDITY........72-79 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 20 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 15 TO 20 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1600 TO 2100 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. MOSTLY CLOUDY WITH CHANCE OF SNOW. LOWS AROUND  
11 BELOW. HIGHS AROUND 5. NORTHWEST WINDS AROUND 20 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 16 BELOW. HIGHS AROUND 12.  
SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 5 BELOW. HIGHS IN THE  
LOWER 20S. WEST WINDS AROUND 10 MPH.    
FRIDAY
 
PARTLY CLOUDY. LOWS AROUND 3. HIGHS IN THE MID 20S.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 6. HIGHS IN THE UPPER 20S.  
 

 
 
SDZ264-190115-  
BADLANDS AREA-  
INCLUDING THE CITIES OF WALL, INTERIOR, RED SHIRT, AND SCENIC  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1200, THEN  
SNOW.  
CHC OF WETTING RAIN.40 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 36.  
MIN HUMIDITY........55-62 PERCENT.  
20-FOOT WINDS.......NORTHWEST 15 TO 20 MPH SHIFTING TO THE NORTH 15  
TO 25 MPH IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTH 25 TO 30 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1400 TO 1800 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW.  
CHC OF WETTING RAIN.70 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 2 ABOVE.  
MAX HUMIDITY........81-88 PERCENT.  
20-FOOT WINDS.......NORTH 15 TO 25 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST AROUND 30 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1500 TO 1800 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 5 ABOVE.  
MIN HUMIDITY........75-82 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 20 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 20 TO 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1600 TO 2100 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. PATCHY BLOWING SNOW. CLOUDY WITH CHANCE OF  
SNOW. LOWS AROUND 8 BELOW. HIGHS AROUND 6. NORTH WINDS 15 TO  
20 MPH.    
WEDNESDAY
 
NOT AS COLD. MOSTLY CLEAR. LOWS AROUND 15 BELOW.  
HIGHS AROUND 17. SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS NEAR ZERO. HIGHS IN THE UPPER 20S.  
SOUTHWEST WINDS 10 TO 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 6.  
HIGHS AROUND 30.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 8.  
HIGHS IN THE LOWER 30S.  
 

 
 
SDZ263-190115-  
SOUTHWESTERN SOUTH DAKOTA-  
INCLUDING THE CITIES OF PINE RIDGE, ARDMORE, OELRICHS, AND OGLALA  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW UNTIL  
1200, THEN CHANCE OF SNOW.  
CHC OF WETTING RAIN.40 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 39.  
MIN HUMIDITY........49-56 PERCENT.  
20-FOOT WINDS.......WEST 15 TO 20 MPH SHIFTING TO THE NORTHEAST 10  
TO 20 MPH IN THE AFTERNOON.  
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....WEST AROUND 20 MPH INCREASING TO NORTHEAST  
AROUND 30 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1400 TO 1800 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 1 ABOVE.  
MAX HUMIDITY........82-89 PERCENT.  
20-FOOT WINDS.......NORTHEAST 15 TO 20 MPH WITH GUSTS TO AROUND 30  
MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST AROUND 30 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1400 TO 1600 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 6 ABOVE.  
MIN HUMIDITY........73-79 PERCENT.  
20-FOOT WINDS.......NORTHEAST 10 TO 15 MPH WITH GUSTS TO AROUND 25  
MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 20 TO 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1600 TO 2100 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. PATCHY BLOWING SNOW. MOSTLY CLOUDY WITH CHANCE  
OF SNOW. LOWS AROUND 11 BELOW. HIGHS AROUND 6. NORTHWEST WINDS  
AROUND 15 MPH.    
WEDNESDAY
 
NOT AS COLD. MOSTLY CLEAR. LOWS AROUND 18 BELOW.  
HIGHS AROUND 17. SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS AROUND 2 BELOW. HIGHS IN THE UPPER  
20S. SOUTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 5.  
HIGHS AROUND 30.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 6. HIGHS IN THE LOWER 30S.  
 

 
 
SDZ266-190115-  
CENTRAL SOUTH DAKOTA PLAINS-  
INCLUDING THE CITIES OF DUPREE AND PHILIP  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW AFTER 1200.  
CHC OF WETTING RAIN.30 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....24-31.  
MIN HUMIDITY........66-72 PERCENT.  
20-FOOT WINDS.......NORTH 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1400 TO 1800 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW.  
CHC OF WETTING RAIN.60 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 1 ABOVE.  
MAX HUMIDITY........82-88 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 20 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1400 TO 1600 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 6 ABOVE.  
MIN HUMIDITY........75-81 PERCENT.  
20-FOOT WINDS.......NORTH 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 20 TO 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1500 TO 1900 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. CLOUDY WITH CHANCE OF SNOW. LOWS AROUND  
8 BELOW. HIGHS AROUND 7. NORTHWEST WINDS 15 TO 20 MPH.    
WEDNESDAY
 
MOSTLY CLEAR. LOWS AROUND 15 BELOW. HIGHS AROUND 12.  
SOUTHWEST WINDS AROUND 10 MPH.    
THURSDAY
 
MOSTLY CLEAR. LOWS AROUND 5 BELOW. HIGHS IN THE LOWER  
20S. SOUTHWEST WINDS AROUND 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. LOWS AROUND 4. HIGHS IN THE UPPER 20S.    
SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 7. HIGHS AROUND 30.  
 

 
 
SDZ265-190115-  
SOUTH CENTRAL SOUTH DAKOTA-  
INCLUDING THE CITIES OF MARTIN, MISSION, WHITE RIVER, AND WINNER  
502 AM MST SUN FEB 18 2018  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER  
1200.  
CHC OF WETTING RAIN.0 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....39-45.  
MIN HUMIDITY........48-58 PERCENT.  
20-FOOT WINDS.......WEST 20 TO 30 MPH SHIFTING TO THE NORTH 15 TO  
20 MPH IN THE AFTERNOON.  
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
TRANSPORT WINDS.....WEST AROUND 25 MPH SHIFTING TO THE NORTH IN THE  
AFTERNOON.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1600 TO 2000 FT AGL.  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW UNTIL 2400, THEN SNOW  
LIKELY. PATCHY BLOWING SNOW AFTER 2400.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MIN TEMPERATURE.....AROUND 5 ABOVE.  
MAX HUMIDITY........79-85 PERCENT.  
20-FOOT WINDS.......NORTH 15 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTH AROUND 30 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1600 TO 1900 FT AGL.  
   
WASHINGTONS BIRTHDAY
 
 
SKY/WEATHER.........CLOUDY. PATCHY BLOWING SNOW. SNOW UNTIL 1200.  
SNOW LIKELY AFTER 1200.  
CHC OF WETTING RAIN.50 PERCENT.  
LAL.................1.  
MAX TEMPERATURE.....AROUND 9 ABOVE.  
MIN HUMIDITY........70-76 PERCENT.  
20-FOOT WINDS.......NORTH 15 TO 20 MPH.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
TRANSPORT WINDS.....NORTHEAST 20 TO 25 MPH.  
SMOKE DISPERSAL.....POOR.  
MIXING HEIGHT.......1600 TO 2000 FT AGL.  
 
   
FORECAST DAYS 3 THROUGH 7
 
   
TUESDAY
 
COLDER. CLOUDY WITH CHANCE OF SNOW. PATCHY BLOWING  
SNOW. LOWS AROUND 5 BELOW. HIGHS AROUND 8. NORTHWEST WINDS 15 TO  
20 MPH.    
WEDNESDAY
 
NOT AS COLD. MOSTLY CLEAR. LOWS AROUND 13 BELOW.  
HIGHS AROUND 19. SOUTHWEST WINDS 10 TO 15 MPH.    
THURSDAY
 
NOT AS COLD. MOSTLY CLEAR. LOWS AROUND 5. HIGHS  
AROUND 30. SOUTHWEST WINDS AROUND 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW. LOWS AROUND 11. HIGHS IN  
THE LOWER 30S.    
SATURDAY
 
PARTLY CLOUDY. SLIGHT CHANCE OF SNOW. LOWS AROUND 12.  
HIGHS IN THE MID 30S.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab SD Page
The Nexlab WY Page Main Text Page