808
FNUS73 KBIS 100737
FWSBIS
SPOT FORECAST FOR SE CORNER RX...USFS/NPS
NATIONAL WEATHER SERVICE BISMARCK ND
237 AM CDT FRI APR 10 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
CLEAR SKIES AND DRY WEATHER IS EXPECTED OVER THE BURN SITE AT THE
TIME OF IGNITION. A HIGH AROUND 58 DEGREES IS FORECAST FOR THIS
AFTERNOON, WITH MINIMUM RELATIVE HUMIDITY DROPPING AS LOW AS 30
PERCENT. LIGHT SOUTH WIND AROUND 5 TO 10 MPH THIS MORNING WILL
TURN SOUTHEASTERLY THIS AFTERNOON, STRENGTHENING TO AROUND 10 TO 13
MPH AND GUSTING UP TO 20 MPH THROUGH THE EVENING AND OVERNIGHT. A
LOW AROUND 39 IS EXPECTED TONIGHT INTO SATURDAY MORNING, WITH
WITH HUMIDITY RECOVERING TO A MAX OF AROUND 75 PERCENT.
ANOTHER CLEAR AND DRY DAY IS EXPECTED SATURDAY, WITH A HIGH
AROUND 73 IN THE AFTERNOON AND A MINIMUM RELATIVE HUMIDITY AROUND
39 PERCENT. BREEZY SOUTHEAST WINDS AROUND 10 TO 13 MPH WILL TURN
SOUTHERLY THROUGH THE LATE MORNING, LINGERING THROUGH THE
AFTERNOON.
TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........31 PERCENT.
WIND (20 FT)........LIGHT WINDS FROM THE SOUTH 5 TO 10 MPH IN
THE MORNING, TURNING TO THE SOUTHEAST FROM
10 TO 13 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4900 FT AGL.
TRANSPORT WINDS.....SOUTH 5 TO 15 MPH INCREASING TO 10 TO 13 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (81500 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........4 5 6 7 5 4 7 4 8 8 9 7
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............27 27 30 35 40 46 50 53 56 58 59 60
RH..............74 74 72 61 55 42 34 31 29 28 28 28
20 FT WIND DIR..S S S S S S S S S S SE SE
20 FT WIND SPD..4 4 5 5 6 7 9 10 11 12 12 13
20 FT WIND GUST.5 6 7 8 9 10 13 14 15 18 19 20
MIX HGT (KFT)...0.2 0.2 0.3 0.3 0.9 3.1 3.9 4.4 4.8 4.9 4.9 4.8
TRANSP WIND DIR.SW S S S S S S S S S S S
TRANSP WIND SPD.6 6 6 7 7 8 10 15 16 18 18 20
DISPR KT-FT/1K..1 1 1 2 5 22 35 57 67 78 79 82
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........73 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 12 TO 15 MPH.
MIXING HEIGHT.......800 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 20 TO 25 MPH.
SMOKE DISPERSAL.....GOOD (86100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (13600 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........9 16 12 16 20 35 22 41 37 29 33 36
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............59 57 54 50 47 45 44 43 42 42 42 41
RH..............30 33 38 46 53 58 58 57 60 60 62 67
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..14 14 14 14 14 14 14 14 14 13 12 12
20 FT WIND GUST.20 20 20 20 20 20 20 20 20 20 19 19
MIX HGT (KFT)...4.5 4.3 1.5 1.2 1.1 1.1 1.1 1.0 0.9 0.9 0.8 0.8
TRANSP WIND DIR.S SE SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.20 23 22 23 23 24 24 25 24 23 22 21
DISPR KT-FT/1K..80 86 28 25 22 23 22 21 19 17 15 14
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...3 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS TURNING SOUTHERLY 10 TO 12 MPH
IN THE LATE MORNING.
MIXING HEIGHT.......4100 FT AGL.
TRANSPORT WINDS.....SOUTH 14 TO 20 MPH.
SMOKE DISPERSAL.....POOR (11200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (57200 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 34 47 49 50 45 39 33 34 35 36 42
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............41 41 43 45 49 54 58 63 67 69 71 73
RH..............70 76 76 76 71 64 60 54 49 45 42 38
20 FT WIND DIR..SE SE SE S S S S S S S S S
20 FT WIND SPD..12 12 12 12 12 12 12 12 11 11 10 10
20 FT WIND GUST.18 17 17 17 17 18 17 17 17 17 17 15
MIX HGT (KFT)...0.7 0.7 0.9 1.1 1.3 1.7 2.0 2.3 2.9 3.5 4.1 3.5
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.20 18 18 20 20 18 17 16 16 16 16 14
DISPR KT-FT/1K..12 11 15 19 23 27 30 32 41 50 57 43
FORECASTER...ADAM
REQUESTED BY...KYLER HATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 2609752.1/BIS
.DELDT 04/10/26
.FORMATTERVERSION 2.0.0
.EMAIL KYLER.HATCH@USDA.GOV,KYLERHATCH@GMAIL.GOV
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