048
FNUS75 KTFX 282318
FWSTFX
SPOT FORECAST FOR SPUR...MT DNRC
NATIONAL WEATHER SERVICE GREAT FALLS MT
518 PM MDT SAT MAR 28 2026
FORECAST IS BASED ON FORECAST START TIME OF 1700 MDT ON MARCH 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
WINDS GRADUALLY DECREASE THIS EVENING AND BECOME LIGHT AND
VARIABLE DURING THE OVERNIGHT HOURS. RELATIVE HUMIDITY RECOVERY
WILL BE MODERATE TO POOR, LOWEST AT THE MID-SLOPES AND ABOVE. A
SHORTWAVE AND WEAK COLD FRONT WILL BRING A RETURN OF GUSTY WINDS
BY SUNDAY AFTERNOON. AFTERNOON RELATIVE HUMIDITY VALUES SHOULDN'T
BE QUITE AS LOW AS SATURDAY WITH MINIMUM VALUES MOSTLY IN THE 20S
AND 30S.
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN PARTLY CLOUDY
(20-40 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....33-38.
MAX HUMIDITY........57-63 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST NORTHWEST WINDS 5 TO 15 MPH IN THE EVENING BECOMING
LIGHT AND VARIABLE OVERNIGHT.
RIDGETOP...........WEST 15 TO 25 MPH DECREASING TO 5 TO 15 MPH.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 20 MPH DECREASING TO 5 TO 10 MPH IN
THE EVENING, THEN BECOMING LIGHT SOUTHERLY
OVERNIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........83 76 57 57 52 35 35 30 30 30 30 30
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............60 56 51 48 46 45 43 41 40 38 37 37
RH..............21 27 31 38 42 43 47 49 51 60 60 63
20 FT WIND DIR..W W W W NW N W W SW S S S
20 FT WIND SPD..10 5 5 5 5 0 0 0 0 0 0 0
20 FT WIND GUST.15 15 15 10 10 10 10 5 5 5 5 5
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..25 25 25 25 15 15 15 10 10 10 10 15
MIX HGT (KFT)...4.5 1.0 0.5 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 SW SW S S S S
TRANSP WIND SPD.20 10 5 5 5 5 5 5 5 5 5 5
SUNDAY
SKY/WEATHER.........PARTLY SUNNY (40-60 PERCENT) WITH INCREASING CLOUDINESS
IN THE AFTERNOON
CWR.................5 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....58-63.
MIN HUMIDITY........23-27 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......LIGHT AND VARIABLE WINDS BECOMING WEST SOUTHWEST 10
TO 15 MPH IN THE AFTERNOON WITH GUSTS UP TO 30 MPH.
RIDGETOP...........WEST SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO AROUND 30
MPH IN THE AFTERNOON.
MIXING HEIGHT.......7000 FT AGL.
TRANSPORT WINDS.....LIGHT SOUTHERLY BECOMING SOUTHWEST 10
TO 15 MPH LATE IN THE MORNING, THEN INCREASING
TO 25 TO 30 MPH IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........30 35 40 40 41 44 49 53 64 70 60 60
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 10 10 10 10 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............35 36 36 39 45 49 53 56 57 59 60 59
RH..............60 59 57 52 44 39 35 25 25 25 25 30
20 FT WIND DIR..S S S S S SW SW SW W W W W
20 FT WIND SPD..0 0 0 0 5 5 10 10 15 15 15 15
20 FT WIND GUST.5 5 5 10 10 15 20 20 25 25 25 25
RIDGE WIND DIR..W SW SW SW SW SW SW SW W W W W
RIDGE WIND SPD..25 25 25 20 20 20 20 20 25 25 30 30
MIX HGT (KFT)...0.1 0.1 0.1 0.5 2.5 3.5 4.0 5.5 6.0 7.0 6.0 5.5
TRANSP WIND DIR.S S S S SW SW SW W W W W W
TRANSP WIND SPD.5 5 5 5 10 15 15 25 25 30 30 30
FORECASTER...GREELY
REQUESTED BY...WARD
TYPE OF REQUEST...WILDFIRE
.TAG 2608295.0/TFX
.DELDT 03/28/26
.FORMATTERVERSION 2.0.0
.EMAIL MTHDC@FIRENT.GOV, TFX.OPS@NOAA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page