995  
FNUS73 KBIS 071055  
FWSBIS  
 
SPOT FORECAST FOR MINOR RX...USFWS  
NATIONAL WEATHER SERVICE BISMARCK ND  
555 AM CDT TUE OCT 7 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON OCTOBER 07.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
TODAY WILL BE MOSTLY SUNNY WITH A HIGH OF 59. WINDS TODAY WILL  
START OFF LIGHT WITH A NORTHERNLY DIRECTION THIS MORNING, THEN  
BECOMING SUSTAINED AROUND 10 MPH FROM THE SOUTH IN THE AFTERNOON  
WITH GUSTS NEAR 17 MPH. AFTERNOON RELATIVE HUMIDITIES WILL BE  
AS LOW AS 45 PERCENT.  
 
TONIGHT, SOUTH WINDS WILL INCREASE TO BE SUSTAINED AROUND 13 MPH,  
AND GUSTING NEAR 23 MPH. OVERNIGHT LOWS WILL DROP TO 40 WITH A  
RELATIVE HUMIDITY VALUE OF 92 PERCENT. WEDNESDAY WILL BE 71 DEGREES  
WITH AN AFTERNOON RELATIVE HUMIDITY OF 46 PERCENT. SOUTH WINDS WILL BE  
AROUND 19 MPH, GUSTING NEAR 30 MPH.  
 
   
TODAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 59.  
MIN HUMIDITY........45 PERCENT.  
WIND (20 FT)........NORTH LIGHT WINDS IN THE MORNING BECOMING SOUTH  
AT 10 MPH WITH GUSTS TO 17 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......3600 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 10 MPH SHIFTING TO THE SOUTH 15  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (1600 KNOT-FT).  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 6 12 3 0 0 1 1 2 1 1 1  
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............35 33 32 32 38 42 45 49 53 56 57 58  
RH..............78 82 86 92 73 62 58 54 48 45 45 45  
20 FT WIND DIR..N N NE E SE SE SE S S S S S  
20 FT WIND SPD..4 5 6 7 8 9 10 10 10 11 11 10  
20 FT WIND GUST.7 7 8 9 9 11 13 13 15 17 17 15  
MIX HGT (KFT)...0.4 0.4 0.4 0.4 0.9 1.4 1.7 2.1 2.5 3.2 3.6 3.5  
TRANSP WIND DIR.N N NE E SE SE S S S S S S  
TRANSP WIND SPD.10 10 10 10 10 11 11 12 13 14 15 15  
DISPR KT-FT/1K..3 3 2 2 4 9 12 15 23 29 36 38  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 40.  
MAX HUMIDITY........92 PERCENT.  
WIND (20 FT)........SOUTH WINDS 13 MPH. GUSTS UP TO 23 MPH  
OVERNIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 16 MPH.  
SMOKE DISPERSAL.....POOR (4000 KNOT-FT).  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........2 2 4 7 9 7 7 9 5 6 6 9  
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............57 54 51 46 45 44 43 43 42 42 42 41  
RH..............47 55 63 76 79 79 82 82 82 82 82 86  
20 FT WIND DIR..S SE SE SE S S S S S S S S  
20 FT WIND SPD..8 7 8 9 9 9 10 13 13 14 13 15  
20 FT WIND GUST.11 11 12 14 15 15 17 17 20 22 23 24  
MIX HGT (KFT)...1.8 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.5  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.12 10 12 13 15 15 15 16 16 16 16 16  
DISPR KT-FT/1K..18 4 5 5 6 6 6 6 6 6 7 7  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........46 PERCENT.  
WIND (20 FT)........SOUTH WINDS 19 MPH WITH GUSTS TO AROUND  
30 MPH.  
MIXING HEIGHT.......3200 FT AGL.  
TRANSPORT WINDS.....SOUTH 19 TO 25 MPH.  
SMOKE DISPERSAL.....POOR (6600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (66700 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........8 8 14 4 0 0 1 2 2 1 1 1  
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............42 41 40 44 50 55 60 64 67 69 70 70  
RH..............82 86 92 86 71 64 58 52 49 47 46 46  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..12 12 13 14 14 15 15 16 17 19 18 17  
20 FT WIND GUST.20 20 20 21 22 24 24 24 25 29 29 27  
MIX HGT (KFT)...0.5 0.5 0.5 0.6 1.0 1.4 1.7 2.1 2.5 2.8 3.2 2.4  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.16 16 17 17 20 22 23 23 24 24 24 22  
DISPR KT-FT/1K..7 7 8 10 17 26 35 43 52 59 67 45  
 
 
FORECASTER...SMITH  
REQUESTED BY...MICHAEL MILLER  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2523033.1/BIS  
.DELDT 10/07/25  
.FORMATTERVERSION 2.0.0  
.EMAIL MICHAEL_A_MILLER@FWS.GOV  
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