497
FNUS75 KTFX 141132
FWSTFX
SPOT FORECAST FOR BULLION PARKS...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
532 AM MDT THU MAY 14 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON MAY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
..HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT
DISCUSSION
THE PRIMARY CONCERN WILL BE STRONG, GUSTY WESTERLY WINDS,
ESPECIALLY THIS MORNING. WINDS WILL SLOWLY DECREASE THIS
AFTERNOON, BUT RELATIVE HUMIDITY VALUES WILL FALL TO NEAR CRITICAL
LEVELS. WESTERLY FLOW ALOFT WILL MAINTAIN A MORE MODERATE BRAND
OF BREEZY TO WINDY CONDITIONS THROUGH THE FIRST HALF OF THE
WEEKEND. TEMPERATURES DO TREND CLOSER TO AVERAGE, BUT MINIMUM
RELATIVE HUMIDITIES WILL APPROACH CRITICAL LEVELS AGAIN ON FRIDAY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....45-50.
MIN HUMIDITY........23-27 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......VERY WINDY. WEST WINDS 35 TO 40 MPH WITH GUSTS
TO AROUND 55 MPH DECREASING TO AROUND 30 MPH IN
THE AFTERNOON.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....WEST 40 TO 45 MPH DECREASING TO AROUND 35 MPH
LATE IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........54 53 43 30 33 23 5 7 6 6 5 5
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............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............31 32 34 36 39 41 42 44 45 46 47 47
RH..............66 60 53 50 48 46 43 38 33 28 25 23
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..40 40 35 35 35 35 30 30 30 30 30 30
20 FT WIND GUST.55 50 50 45 45 45 40 40 40 40 40 35
MIX HGT (KFT)...1.0 2.0 3.0 3.5 4.0 4.5 5.0 5.5 5.5 5.5 5.5 5.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.40 40 45 40 40 40 40 40 40 40 35 35
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
MIN TEMPERATURE.....31-36.
MAX HUMIDITY........60-65 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......BREEZY. WEST WINDS 20 TO 25 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 30 TO 35 MPH DECREASING TO 20 TO 25 MPH IN
THE LATE EVENING AND OVERNIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........19 13 16 18 26 15 16 10 7 16 34 35
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............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............46 45 43 40 39 37 36 36 36 35 35 34
RH..............34 37 43 47 51 54 57 56 57 59 60 63
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..25 25 25 25 20 20 20 20 20 20 20 20
20 FT WIND GUST.35 35 35 35 35 35 35 35 35 35 35 30
MIX HGT (KFT)...5.0 5.0 3.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.35 30 30 25 20 20 25 25 25 25 25 25
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....44-49.
MIN HUMIDITY........24-28 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WINDY. WEST WINDS 25 TO 30 MPH.
MIXING HEIGHT.......8500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 25 MPH INCREASING TO 35 TO 40 MPH
IN THE MORNING, THEN INCREASING TO AROUND 45
MPH EARLY IN THE AFTERNOON DECREASING TO 35 TO
40 MPH LATE IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........42 42 42 25 25 25 13 13 13 9 9 9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............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............34 33 35 36 39 40 41 42 43 44 45 45
RH..............65 60 57 52 48 44 40 35 30 28 25 28
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..25 25 25 30 30 30 25 25 25 25 25 25
20 FT WIND GUST.35 35 35 40 40 40 35 35 35 30 30 30
MIX HGT (KFT)...1.0 2.0 3.5 4.5 5.0 5.0 6.0 8.5 8.5 6.5 8.0 7.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.25 35 35 40 35 40 35 45 45 35 40 40
FORECASTER...GREELY
REQUESTED BY...LEWIS TAFELMEYER
TYPE OF REQUEST...PRESCRIBED
.TAG 2613368.2/TFX
.DELDT 05/14/26
.FORMATTERVERSION 2.0.0
.EMAIL WAYNE.BALE-RUDNITSKI@USDA.GOV,LEWIS.TAFELMEYER@USDA.GOV,WILLIAM.MENNING@USDA.GOV,PHILLIP.QUIGLEY@USDA.GOV
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