090
FNUS73 KBIS 041131
FWSBIS
SPOT FORECAST FOR 2025 PINES PILES RX...USFS
NATIONAL WEATHER SERVICE BISMARCK ND
531 AM CST THU DEC 4 2025
FORECAST IS BASED ON IGNITION TIME OF 0700 MST ON DECEMBER 04.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
NEAR NORMAL TEMPERATURES ARE EXPECTED AT THE BURN SITE TODAY, WITH A
HIGH RIGHT AROUND FREEZING AND A WESTERLY BREEZE SUSTAINED AROUND 20
MPH AND GUSTING UP TO 30 MPH. MINIMUM RELATIVE HUMIDITY WILL BE AROUND
78 PERCENT. CHANCES FOR SNOW RETURN THIS EVENING AND THROUGH THE NIGHT,
WITH MINIMAL ACCUMULATION EXPECTED.
EXPECT SIMILAR TEMPERATURES ON FRIDAY, WITH SLIGHTLY HIGHER RELATIVE
HUMIDITY VALUES AND NORTHWEST WINDS SUSTAINED AROUND 15 MPH.
REST OF TODAY
SKY/WEATHER.........PARTLY TO MOSTLY CLOUDY.
CWR.................1 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 33.
MIN HUMIDITY........78 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 20 MPH. GUSTS UP TO 30 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......1400 FT AGL.
TRANSPORT WINDS.....WEST 16 TO 21 MPH.
SMOKE DISPERSAL.....POOR (9500 KNOT-FT).
TIME (MST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM
SKY (%).........67 49 44 37 51 51 46 39 64 82
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............16 19 23 27 31 32 33 34 33 31
RH..............92 96 92 88 81 82 82 78 78 81
20 FT WIND DIR..SW SW W W W W W W W W
20 FT WIND SPD..9 11 12 14 15 18 19 17 13 12
20 FT WIND GUST.15 18 20 21 22 27 28 26 21 19
MIX HGT (KFT)...0.6 0.7 0.8 1.2 1.4 1.4 1.4 1.3 1.1 0.9
TRANSP WIND DIR.W W W W W W W W W W
TRANSP WIND SPD.17 17 17 20 21 21 20 17 16 16
DISPR KT-FT/1K..10 11 12 20 25 25 23 20 15 13
TONIGHT
SKY/WEATHER.........CLOUDY. CHANCE OF SNOW IN THE EVENING. SLIGHT
CHANCE OF SNOW OVERNIGHT.
CWR.................7 PERCENT.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MIN TEMPERATURE.....AROUND 23.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 12 MPH.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....WEST 16 TO 21 MPH.
SMOKE DISPERSAL.....POOR (9900 KNOT-FT).
TIME (MST) 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM
SKY (%).........87 89 93 90 95 94 94 91 91 89 92 92
WEATHER COV..... CHC CHC CHC CHC CHC SCH SCH
WEATHER TYPE.... SN SN SN SN SN SN SN
TSTM COV........
CWR.............10 10 10 10 10 10 10 10 10 0 0 0
CHC OF PCPN (%).10 30 30 30 30 30 20 20 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............31 29 28 29 29 29 29 29 28 28 26 24
RH..............81 92 96 96 100 100 100 100 100 100 100 100
20 FT WIND DIR..W W W W W W W W W W NW W
20 FT WIND SPD..10 9 9 9 9 9 9 9 9 9 10 10
20 FT WIND GUST.15 14 14 14 14 14 14 14 14 14 15 15
MIX HGT (KFT)...0.9 0.8 0.7 0.7 0.7 0.7 0.8 0.9 1.0 0.8 0.8 0.9
TRANSP WIND DIR.W W W W W W W W NW NW NW NW
TRANSP WIND SPD.16 16 16 16 16 17 18 20 21 20 18 18
DISPR KT-FT/1K..13 11 10 10 10 11 14 16 18 13 12 15
FRIDAY
SKY/WEATHER.........CLOUDY.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 32.
MIN HUMIDITY........85 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 10 TO 15 MPH DECREASING TO
AROUND 7 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......2700 FT AGL.
TRANSPORT WINDS.....NORTHWEST 15 TO 24 MPH.
SMOKE DISPERSAL.....POOR (10300 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (56800 KNOT-FT) IN THE
AFTERNOON.
TIME (MST) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM
SKY (%).........95 92 87 85 82 84 85 85 86 86 88 89
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............26 26 26 27 28 30 31 31 30 29 27 24
RH..............100 96 100 100 100 92 88 85 85 85 88 92
20 FT WIND DIR..W W W W W NW NW NW NW NW NW NW
20 FT WIND SPD..10 11 12 12 13 14 14 14 13 12 10 7
20 FT WIND GUST.15 17 18 18 19 20 20 20 20 19 15 12
MIX HGT (KFT)...0.7 0.8 1.2 1.3 1.7 2.2 2.6 2.7 2.5 2.3 1.9 1.5
TRANSP WIND DIR.W W NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.16 17 18 18 20 22 24 24 23 21 18 15
DISPR KT-FT/1K..10 12 19 21 29 42 55 57 51 41 29 19
FORECASTER...JONES
REQUESTED BY...DAWSON GLOCK
TYPE OF REQUEST...PRESCRIBED
.TAG 2526774.1/BIS
.DELDT 12/04/25
.FORMATTERVERSION 2.0.0
.EMAIL DAWSON.GLOCK@USDA.GOV
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