167  
FNUS73 KBIS 111106  
FWSBIS  
 
SPOT FORECAST FOR DOG TOWN...NPS  
NATIONAL WEATHER SERVICE BISMARCK ND  
606 AM CDT SAT APR 11 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON APRIL 11.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
.DISCUSSION
 
 
PARTLY TO MOSTLY CLOUD SKIES ARE EXPECTED NEAR THE BURNSITE THIS  
MORNING. THERE IS A CHANCE OF SCATTERED SHOWERS LATE THIS  
AFTERNOON THROUGH TONIGHT. ISOLATED THUNDERSTORMS ARE POSSIBLE.  
THE HIGH THIS AFTERNOON IS EXPECTED TO BE AROUND 75, WITH MINIMUM  
RELATIVE HUMIDITY THIS AFTERNOON DROPPING AS LOW AS 32 PERCENT.  
LIGHT SOUTH TO SOUTHEAST WINDS ARE EXPECTED TODAY, WITH SUSTAINED  
SPEEDS AROUND 10 MPH. WINDS WILL TURN WESTERLY OVERNIGHT. GUSTY AND  
ERRATIC WINDS SHOULD BE EXPECTED WHERE THUNDERSTORMS DEVELOP. LOW  
TEMPERATURES TONIGHT IS FORECAST AROUND 48, WITH RELATIVE  
HUMIDITY RECOVERING TO A MAX OF 83 PERCENT.  
 
LINGERING SHOWERS AND ISOLATED THUNDERSTORMS WILL DIMINISH  
THROUGH SUNDAY MORNING, ALONG WITH DECREASING CLOUD COVER. THE  
HIGH IS FORECAST AROUND 67, WITH MINIMUM RELATIVE HUMIDITY  
DROPPING AS LOW AS 37 PERCENT IN THE AFTERNOON. WINDS WILL  
STRENGTHEN THROUGH THE LATE MORNING AND AFTERNOON, AGAIN BECOMING  
BREEZY WITH SPEEDS AROUND 10 TO 15 MPH AND GUSTS UP TO AROUND 20  
MPH OUT OF THE WEST NORTHWEST.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................5 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...6 PERCENT.  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........32 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 9 MPH.  
MIXING HEIGHT.......4900 FT AGL.  
TRANSPORT WINDS.....SOUTH 16 TO 22 MPH.  
SMOKE DISPERSAL.....POOR (8500 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (69100 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........54 54 47 41 34 29 24 19 22 24 26 35  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 10 10  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 10  
TEMP............36 35 38 44 50 56 61 66 69 72 74 75  
RH..............79 85 82 73 66 55 50 43 39 37 34 32  
20 FT WIND DIR..SE SE S S S S S S S S S S  
20 FT WIND SPD..9 9 9 9 9 9 9 9 9 9 8 8  
20 FT WIND GUST.15 14 14 14 15 14 14 14 14 14 14 13  
MIX HGT (KFT)...0.6 0.6 0.6 0.9 1.4 1.5 2.0 2.4 2.9 3.8 4.4 4.9  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.17 16 16 20 22 20 20 18 17 17 17 16  
DISPR KT-FT/1K..10 9 9 15 27 26 34 39 44 58 67 69  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.  
SLIGHT CHANCE OF RAIN IN THE EVENING. ISOLATED  
THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF RAIN  
OVERNIGHT.  
CWR.................6 PERCENT.  
CHANCE OF PCPN......40 PERCENT.  
CHANCE OF THUNDER...15 PERCENT.  
MIN TEMPERATURE.....AROUND 48.  
MAX HUMIDITY........83 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 6 TO 8 MPH SHIFTING TO THE WEST  
OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 17 MPH SHIFTING TO THE WEST 17 TO  
23 MPH AFTER 3 AM.  
SMOKE DISPERSAL.....GOOD (62400 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (4500 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........48 55 57 63 64 66 67 69 67 65 64 64  
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC  
WEATHER TYPE....RN RN RN RN RN RN RN RN RN RN RN RN  
TSTM COV........ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO ISO  
CWR.............10 10 10 10 10 10 10 10 10 10 0 0  
CHC OF PCPN (%).20 20 20 20 20 20 20 30 30 40 40 40  
CHC OF THDR (%).20 20 20 20 20 20 20 20 20 20 20 20  
TEMP............75 74 68 64 61 58 56 54 53 52 52 52  
RH..............33 34 44 52 60 67 72 77 77 80 77 77  
20 FT WIND DIR..S S S S SE SE SE S SW W W W  
20 FT WIND SPD..7 6 5 5 5 5 5 5 5 6 7 8  
20 FT WIND GUST.11 10 10 9 9 9 9 10 10 11 12 13  
MIX HGT (KFT)...4.8 2.9 0.9 0.7 0.6 0.5 0.6 0.5 0.6 0.6 0.7 0.7  
TRANSP WIND DIR.S S S S S S S S SW W W W  
TRANSP WIND SPD.15 14 17 16 16 17 15 10 16 17 22 23  
DISPR KT-FT/1K..62 34 13 10 8 8 7 5 8 9 14 13  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. CHANCE OF RAIN AND ISOLATED THUNDERSTORMS  
IN THE MORNING.  
CWR.................5 PERCENT.  
CHANCE OF PCPN......40 PERCENT.  
CHANCE OF THUNDER...15 PERCENT.  
MAX TEMPERATURE.....AROUND 68.  
MIN HUMIDITY........37 PERCENT.  
WIND (20 FT)........WEST WINDS 10 TO 15 MPH SHIFTING TO THE  
NORTHWEST LATE IN THE AFTERNOON.  
GUSTY AND ERRATIC WINDS EXPECTED NEAR  
THUNDERSTORMS EARLY IN THE MORNING.  
MIXING HEIGHT.......6800 FT AGL.  
TRANSPORT WINDS.....WEST 23 TO 28 MPH.  
SMOKE DISPERSAL.....POOR (13900 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (155500 KNOT-FT) IN  
THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........64 64 56 48 39 36 33 30 30 29 29 30  
WEATHER COV.....CHC SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RN RN RN RN RN RN RN  
TSTM COV........ISO ISO ISO ISO  
CWR.............0 10 10 10 10 10 10 0 0 0 0 0  
CHC OF PCPN (%).40 20 20 20 20 20 20 10 10 10 10 10  
CHC OF THDR (%).20 20 20 20 0 0 0 0 0 0 10 10  
TEMP............50 50 51 53 56 59 61 63 65 66 66 66  
RH..............83 83 80 74 66 60 56 50 45 42 40 38  
20 FT WIND DIR..W W W W W W W W NW NW NW NW  
20 FT WIND SPD..10 10 10 11 12 13 14 14 15 14 13 12  
20 FT WIND GUST.14 14 15 17 18 19 20 20 20 20 19 18  
MIX HGT (KFT)...0.6 1.0 1.1 1.5 2.4 3.4 4.5 5.5 6.2 6.7 6.8 6.7  
TRANSP WIND DIR.W W W W W W W W W W W NW  
TRANSP WIND SPD.26 28 25 25 25 26 28 28 28 26 25 23  
DISPR KT-FT/1K..14 25 23 33 53 77 106 131 148 156 149 131  
 

 
FORECASTER...ADAM  
REQUESTED BY...LOGAN BAIRD  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609810.1/BIS  
.DELDT 04/11/26  
.FORMATTERVERSION 2.0.0  
.EMAIL JHIGGINS@NLTFPD.NET,LBAIRD@BLM.GOV  
 
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