470
FNUS75 KTFX 271432
FWSTFX
SPOT FORECAST FOR NORTH CANAL...WILDLAND FIRE SERVICE
NATIONAL WEATHER SERVICE GREAT FALLS MT
832 AM MDT WED MAY 27 2026
FORECAST IS BASED ON FORECAST START TIME OF 0900 MDT ON MAY 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
..HEAT ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING
DISCUSSION
SOUTHERLY TO SOUTHEASTERLY FLOW ALOFT AHEAD OF AN UPPER LEVEL
TROUGH WILL RESULT IN AFTERNOON AND EVENING SCATTERED SHOWERS AND
THUNDERSTORMS IN THE VICINITY OF THE FIRE THE NEXT TWO DAYS. MOST
SHOWER AND THUNDERSTORMS ACTIVITY LOOKS TO STAY OFF TO THE WEST,
BUT EVEN IN THAT SCENARIO OUTFLOW WIND GUSTS CAN STILL RESULT IN
GUSTY AND ERRATIC WINDS AT THE FIRE, FAR AWAY FROM WHERE THE
SHOWERS AND THUNDERSTORMS APPEAR ON RADAR.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT) SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE AFTERNOON.
CWR.................10 PERCENT.
CHANCE OF THUNDER...15 PERCENT.
MAX TEMPERATURE.....92-97.
MIN HUMIDITY........15-20 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......BREEZY. SOUTHEAST WINDS 20 TO 25 MPH.
RIDGETOP...........SOUTHEAST 30 MPH BECOMING SOUTH 20 TO 25
MPH LATE IN THE AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS IN THE
AFTERNOON.
MIXING HEIGHT.......10000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 20 TO 30 MPH.
TIME (MDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........63 56 62 50 53 52 46 44 63
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
CWR.............0 0 0 0 0 0 5 5 5
CHC OF THDR (%).0 0 0 0 0 0 15 15 15
TEMP............74 81 85 88 91 93 93 93 92
RH..............39 33 28 25 22 20 20 21 21
20 FT WIND DIR..E E SE SE SE SE SE SE SE
20 FT WIND SPD..20 20 20 20 25 25 25 25 25
20 FT WIND GUST.25 30 30 30 35 35 35 35 35
RIDGE WIND DIR..SE SE SE SE SE S S S S
RIDGE WIND SPD..35 35 35 35 30 25 20 20 20
MIX HGT (KFT)...1.5 2.5 4.0 6.5 8.0 9.5 10 9.5 9.5
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.20 20 25 25 30 30 30 25 25
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
CWR.................10 PERCENT.
CHANCE OF THUNDER...15 PERCENT.
MIN TEMPERATURE.....57-62.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS 15 TO 20 MPH BECOMING EAST 5 TO
10 MPH IN THE LATE EVENING AND OVERNIGHT.
GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE EVENING.
RIDGETOP...........SOUTH 20 TO 25 MPH DECREASING TO AROUND 15 MPH
AFTER 3 AM.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 20 TO 25 MPH DECREASING TO 10 TO 15
MPH EARLY IN THE EVENING, THEN SHIFTING TO THE
NORTH OVERNIGHT SHIFTING TO THE SOUTHEAST
OVERNIGHT SHIFTING TO THE SOUTHWEST.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........57 56 59 50 53 63 52 44 26 39 33 35
WEATHER COV.....SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH SCH
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
CHC OF THDR (%).20 10 10 0 0 0 0 0 0 0 0 0
TEMP............91 89 83 76 71 69 67 65 63 62 61 61
RH..............23 27 35 43 52 57 60 63 65 68 69 69
20 FT WIND DIR..SE SE SE SE E E E E E E E S
20 FT WIND SPD..20 15 15 10 10 5 5 5 5 5 5 5
20 FT WIND GUST.30 25 20 15 10 10 10 10 10 10 10
RIDGE WIND DIR..S S S S S S S S S S S S
RIDGE WIND SPD..20 25 25 25 25 25 25 25 20 20 15 15
MIX HGT (KFT)...9.5 5.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SE SE SE E E SE SE N SE SE SE SW
TRANSP WIND SPD.25 20 15 15 15 10 10 10 10 5 5 5
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE
FOR AN AFTERNOON SHOWER OR THUNDERSTORM.
CWR.................10 PERCENT.
CHANCE OF THUNDER...15 PERCENT.
MAX TEMPERATURE.....93-98.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
THE AFTERNOON.
RIDGETOP...........SOUTH 10 TO 15 MPH INCREASING TO SOUTHEAST 20
TO 25 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......9000 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10-15 MPH, INCREASING TO 20-25 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........35 35 35 23 23 23 22 22 22 43 43 43
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
CWR.............0 0 0 0 0 0 0 0 0 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 10 15 15
TEMP............60 63 68 74 82 87 89 93 95 95 95 95
RH..............69 64 55 45 38 32 27 24 22 22 22 22
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..5 5 5 5 5 5 10 10 10 10 10 10
20 FT WIND GUST.10 10 10 15 15 15 15 15 15 15 15 15
RIDGE WIND DIR..S S S SE SE S S S SE SE SE SE
RIDGE WIND SPD..10 10 10 15 15 15 15 15 15 20 20 25
MIX HGT (KFT)...0.5 0.5 1.0 2.0 2.0 3.0 4.0 6.0 8.0 8.0 9.0 9.0
TRANSP WIND DIR.SE E SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.5 5 10 10 10 10 10 15 15 10 10 15
FORECASTER...MCDOWELL
REQUESTED BY...LEWISTOWN DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 2614547.0/TFX
.DELDT 05/27/26
.FORMATTERVERSION 2.0.0
.EMAIL MTLEC@FIRENET.GOV,AGARZA@BLM.GOV, TFX.OPS@NOAA.GOV
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