623  
FNUS73 KBIS 061226  
FWSBIS  
 
SPOT FORECAST FOR EDDY WPA...USFWS  
NATIONAL WEATHER SERVICE BISMARCK ND  
726 AM CDT FRI JUN 6 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON JUNE 06.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
IT SHOULD BE A RELATIVELY QUIET WEATHER DAY AT THE BURN SITE  
TODAY. BY THE IGNITION TIME, IT SHOULD BE MOSTLY SUNNY, BUT SOME  
SMOKE ALOFT FROM DISTANT WILDFIRES MAY KEEP THE SKY A BIT HAZY.  
THE HIGH SHOULD RISE TO AROUND 70 DEGREES WITH AFTERNOON HUMIDITY  
DROPPING TO AROUND 46 PERCENT. WINDS WILL BE RELATIVELY LIGHT OUT  
OF THE SOUTH, GENERALLY 7 TO 9 MPH, MAYBE INCREASING JUST A LITTLE  
BIT TONIGHT AS HUMIDITY RECOVERS TO AROUND 89 PERCENT.  
 
WINDS WILL BE STRONGER TOMORROW AS A COLD FRONT APPROACHES,  
SHIFTING WINDS FROM OUT OF THE SOUTHWEST TO OUT OF THE WEST.  
SUSTAINED VALUES UP TO 20 MPH AND GUSTS TO 27 MPH WILL BE POSSIBLE  
THROUGH THE DAY. SOME SHOWERS AND THUNDERSTORMS ARE LIKELY TO  
ACCOMPANY THIS COLD FRONT AS IT MOVES THROUGH IN THE AFTERNOON  
WITH A STRONGER STORM OR TWO POSSIBLE IN THE GENERAL AREA. HAIL TO  
THE SIZE OF PING PONG BALLS AND GUSTY/ERRATIC WINDS UP TO 60 MPH  
WOULD BE THE MAIN HAZARDS IF ONE OF THE STRONGEST STORMS CAN MOVE  
OVERHEAD. THE CHANCE FOR WETTING RAIN ON SATURDAY WILL INCREASE TO  
AROUND 77 PERCENT IN THE AFTERNOON.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...2 PERCENT.  
MAX TEMPERATURE.....AROUND 70.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........SOUTH WINDS 7 TO 9 MPH.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....SOUTH 8 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (27900 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (50000 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........30 30 30 31 30 30  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............66 67 68 69 70 70  
RH..............54 52 51 49 46 46  
20 FT WIND DIR..S S S S S S  
20 FT WIND SPD..7 8 9 9 9 9  
20 FT WIND GUST.11 12 13 14 14 14  
MIX HGT (KFT)...4.0 4.8 5.1 5.3 5.6 5.5  
TRANSP WIND DIR.SE SE S S S S  
TRANSP WIND SPD.8 9 9 9 10 10  
DISPR KT-FT/1K..28 38 41 42 50 49  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...1 PERCENT.  
MIN TEMPERATURE.....AROUND 52.  
MAX HUMIDITY........89 PERCENT.  
WIND (20 FT)........SOUTH WINDS 8 TO 12 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 9 TO 16 MPH.  
SMOKE DISPERSAL.....POOR (3700 KNOT-FT).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........30 30 30 33 36 34 31 30 30 30 30 30  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............69 69 67 63 59 58 56 55 54 54 53 53  
RH..............47 47 54 62 69 72 77 80 83 83 86 86  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..9 9 8 8 9 9 9 9 10 10 11 12  
20 FT WIND GUST.14 13 12 12 12 13 13 14 14 15 15 18  
MIX HGT (KFT)...4.8 4.4 1.4 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.5  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.9 9 9 9 9 10 12 14 14 14 16 16  
DISPR KT-FT/1K..39 35 11 4 4 4 4 5 5 5 6 7  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING PARTLY SUNNY. RAIN  
SHOWERS WITH THUNDERSTORMS LIKELY IN THE  
AFTERNOON.  
CWR.................0 PERCENT INCREASING TO 77 PERCENT IN THE  
AFTERNOON.  
CHANCE OF PCPN......80 PERCENT.  
CHANCE OF THUNDER...65 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........47 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 12 TO 20 MPH WITH GUSTS TO  
AROUND 27 MPH SHIFTING TO THE WEST LATE IN THE  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS IN THE AFTERNOON.  
MIXING HEIGHT.......5200 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 17 TO 24 MPH SHIFTING TO THE WEST 22  
TO 23 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (7900 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (72700 KNOT-FT) IN THE  
EARLY AFTERNOON INCREASING TO VERY GOOD  
(109800 KNOT-FT) LATE IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........30 42 39 36 31 52 63 74 70 67 63 61  
WEATHER COV..... DEF DEF DEF DEF DEF  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........ LKY LKY LKY LKY LKY  
CWR.............0 0 0 0 0 0 0 80 80 80 80 80  
CHC OF PCPN (%).0 0 0 0 0 0 0 80 80 80 80 80  
CHC OF THDR (%).0 0 0 0 0 0 0 70 70 70 70 70  
TEMP............52 54 59 63 67 70 72 73 74 74 73 71  
RH..............89 83 75 70 61 57 52 48 47 49 51 54  
20 FT WIND DIR..S S S S S S SW SW SW SW SW W  
20 FT WIND SPD..12 12 14 15 16 17 18 19 20 20 20 19  
20 FT WIND GUST.19 19 20 22 24 25 26 26 27 27 27 26  
MIX HGT (KFT)...0.5 0.6 0.8 1.6 2.3 2.6 3.1 3.5 5.2 5.1 4.9 4.1  
TRANSP WIND DIR.S S SW SW SW SW SW SW SW W W W  
TRANSP WIND SPD.17 17 18 22 22 22 23 24 24 24 23 22  
DISPR KT-FT/1K..8 9 13 31 43 49 62 73 110 105 99 77  
 

 
FORECASTER...HARGROVE  
REQUESTED BY...TERRY GWILLIAMS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2515447.0/BIS  
.DELDT 06/06/25  
.FORMATTERVERSION 2.0.0  
.EMAIL TERRY_GWILLIAMS@FWS.GOV  
 
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