605
FNUS75 KTFX 111108
FWSTFX
SPOT FORECAST FOR THS SOUTH SLOPE RX...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
508 AM MDT TUE MAR 11 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON MARCH 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A GENERAL WESTERLY FLOW ALOFT CONTINUES ACROSS THE NORTHERN
ROCKIES TODAY AND TONIGHT WITH EMBEDDED MOISTURE RESULTING IN
CONSIDERABLE CLOUD-COVER BUT ONLY A SLIGHT CHANCE OF A FEW
FLURRIES OR LIGHT SNOW SHOWERS, MAINLY THIS MORNING. TEMPERATURES
WILL WARM SLIGHTLY TODAY AND AGAIN TOMORROW WITH A PERIOD OF
BREEZY AFTERNOON WINDS.
TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF
A SNOW SHOWER EARLY IN THE MORNING.
CWR.................5 PERCENT.
MAX TEMPERATURE.....48-53.
MIN HUMIDITY........31-36 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS AROUND 5 TO1 10 MPH BECOMING
WEST AND INCREASING TO 10 TO 15 MPH WITH GUSTS TO
AROUND 20 MPH IN THE AFTERNOON.
MIXING HEIGHT.......5500 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH BECOMING WEST 15
TO 20 MPH LATE IN THE MORNING.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........62 40 57 61 62 59 56 65 69 66 77 76
WEATHER COV.....SCH
WEATHER TYPE....SN
TSTM COV........
CWR.............10 10 10 10 10 10 0 0 0 0 0 0
TEMP............34 34 34 36 39 43 47 48 48 50 49 48
RH..............75 75 74 72 60 51 46 43 39 39 39 41
20 FT WIND DIR..S S S SW W W W W W W W W
20 FT WIND SPD..5 5 5 5 5 10 10 15 15 10 10 10
20 FT WIND GUST.15 15 20 20 20 25 25 25 25 25 20 20
MIX HGT (KFT)...1.0 1.0 1.0 1.0 2.0 3.5 4.5 5.5 5.5 5.5 5.0 4.5
TRANSP WIND DIR.SW W W SW W W W W W W W W
TRANSP WIND SPD.10 10 10 10 15 20 20 20 20 20 20 15
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....31-36.
MAX HUMIDITY........57-62 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST 5 TO 10 MPH.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....WEST 5 TO 10 MPH SHIFTING TO THE SOUTHWEST IN
THE LATE EVENING AND OVERNIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........73 75 68 73 74 69 78 81 83 79 73 63
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............46 41 39 37 37 36 36 35 35 35 35 35
RH..............47 54 58 62 62 62 62 62 61 62 61 60
20 FT WIND DIR..W W SW S S S SW S S S S S
20 FT WIND SPD..5 5 5 0 0 0 5 0 5 5 5 5
20 FT WIND GUST.15 10 10 5 5 5 5 10 10
MIX HGT (KFT)...3.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0
TRANSP WIND DIR.W W W S S S SW SW SW SW SW SW
TRANSP WIND SPD.10 5 5 5 5 10 10 10 10 10 10 10
WEDNESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....54-59.
MIN HUMIDITY........28-33 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH
IN THE AFTERNOON.
MIXING HEIGHT.......6000 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 10 TO 15 MPH INCREASING TO 20 TO 25
MPH IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........62 64 66 67 68 69 69 69 69 84 84 84
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............34 34 35 36 41 45 50 54 55 55 55 53
RH..............60 58 56 56 52 46 41 37 34 34 36 40
20 FT WIND DIR..S S S S S SW SW SW SW SW SW SW
20 FT WIND SPD..5 5 5 5 5 5 5 5 5 10 10 10
20 FT WIND GUST.10 15 15 15 15 15 20 20 20 25 25 25
MIX HGT (KFT)...1.0 1.0 1.0 1.0 1.5 2.0 3.5 4.5 5.5 6.0 5.0 3.5
TRANSP WIND DIR.S S S SW S SW SW SW SW SW SW SW
TRANSP WIND SPD.10 10 10 10 10 15 20 25 25 30 25 15
FORECASTER...HOENISCH
REQUESTED BY...WILL MENNING
TYPE OF REQUEST...PRESCRIBED
.TAG 2505039.6/TFX
.DELDT 03/11/25
.FORMATTERVERSION 2.0.0
.EMAIL WILLIAM.MENNING@USDA.GOV,PHILIP.QUIGLEY@USDA.GOV,LEWIS.TAFELMEYER@USDA.GOV
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