008
FNUS73 KBIS 111015
FWSBIS
SPOT FORECAST FOR SE CORNER RX...USFS/NPS
NATIONAL WEATHER SERVICE BISMARCK ND
515 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 37 PERCENT.
BREEZY SOUTH TO SOUTHEAST WINDS ARE EXPECTED TODAY, WITH SUSTAINED
SPEEDS AROUND 10 TO 15 MPH GUSTING AS HIGH AS 20 MPH. WINDS WILL
DIMINISH OVERNIGHT, BECOMING LIGHT AROUND 9 MPH WHILE TURNING OUT
OF THE WEST. 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...2 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........SOUTH WINDS 10 TO 15 MPH.
MIXING HEIGHT.......4400 FT AGL.
TRANSPORT WINDS.....SOUTH 16 TO 22 MPH.
SMOKE DISPERSAL.....POOR (9800 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (61400 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........54 53 46 40 33 29 25 21 22 23 25 34
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 0
TEMP............37 37 40 45 49 54 60 64 67 70 72 73
RH..............75 82 79 70 68 61 51 48 45 41 38 38
20 FT WIND DIR..SE SE S S S S S S S S S S
20 FT WIND SPD..15 14 13 12 12 12 12 11 11 10 10 10
20 FT WIND GUST.20 19 18 18 18 18 17 17 15 15 14 14
MIX HGT (KFT)...0.7 0.6 0.6 0.9 1.3 1.4 1.9 2.3 2.7 3.3 3.9 4.4
TRANSP WIND DIR.SE SE S S S S S S S S S S
TRANSP WIND SPD.21 21 20 22 22 21 20 18 17 18 16 16
DISPR KT-FT/1K..12 11 10 18 25 26 32 37 41 53 54 61
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CHANCE OF RAIN IN THE EVENING AND
OVERNIGHT. ISOLATED THUNDERSTORMS.
CWR.................12 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 9 MPH SHIFTING TO THE WEST
OVERNIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 20 MPH SHIFTING TO THE WEST 16 TO
23 MPH OVERNIGHT.
SMOKE DISPERSAL.....FAIR (51500 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (5700 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........47 53 56 63 64 66 67 69 67 64 63 62
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH 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
CWR.............10 10 10 10 10 10 10 10 10 10 10 10
CHC OF PCPN (%).20 20 20 20 20 20 20 20 30 30 40 40
CHC OF THDR (%).0 20 20 20 20 20 20 20 20 20 20 20
TEMP............73 72 68 64 61 59 57 55 54 53 52 52
RH..............37 38 45 52 60 64 72 72 74 77 77 77
20 FT WIND DIR..S S SE SE S SE SE SE SW W W W
20 FT WIND SPD..9 8 8 8 8 8 8 8 9 9 9 10
20 FT WIND GUST.13 12 12 12 12 12 12 12 12 13 14 14
MIX HGT (KFT)...4.0 2.5 0.6 0.6 0.5 0.4 0.5 0.5 0.6 0.5 0.7 0.5
TRANSP WIND DIR.S S SE S S S S S W W W W
TRANSP WIND SPD.15 16 17 17 15 20 14 13 16 16 21 23
DISPR KT-FT/1K..52 35 10 9 6 8 6 6 8 7 12 11
SUNDAY
SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF RAIN AND ISOLATED
THUNDERSTORMS IN THE MORNING.
CWR.................12 PERCENT.
CHANCE OF PCPN......40 PERCENT.
CHANCE OF THUNDER...15 PERCENT.
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 15 MPH SHIFTING TO THE
NORTHWEST IN THE AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS.
MIXING HEIGHT.......6600 FT AGL.
TRANSPORT WINDS.....WEST 23 TO 28 MPH.
SMOKE DISPERSAL.....POOR (11600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (154000 KNOT-FT) IN THE
AFTERNOON IN.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........62 63 55 48 40 36 33 30 29 29 28 29
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.............10 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............51 50 51 53 56 59 61 63 64 65 65 65
RH..............80 83 80 74 66 60 56 52 50 46 45 43
20 FT WIND DIR..W W W W W W W W W NW NW NW
20 FT WIND SPD..10 12 12 13 15 15 15 15 15 15 14 13
20 FT WIND GUST.15 17 18 20 20 21 21 21 21 21 20 20
MIX HGT (KFT)...0.6 0.7 1.1 1.5 2.1 3.0 4.1 5.1 5.8 6.4 6.6 6.6
TRANSP WIND DIR.W W W W W W W W W W W NW
TRANSP WIND SPD.24 28 28 26 24 24 26 28 28 28 26 23
DISPR KT-FT/1K..12 16 26 35 44 65 93 122 142 154 152 136
FORECASTER...ADAM
REQUESTED BY...KYLER HATCH
TYPE OF REQUEST...PRESCRIBED
.TAG 2609757.2/BIS
.DELDT 04/11/26
.FORMATTERVERSION 2.0.0
.EMAIL KYLERHATCH@GMAIL.COM,KYLER.HATCH@USDA.GOV
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