023
FNUS75 KTFX 142009
FWSTFX
SPOT FORECAST FOR SOUTH FORK...BLM LEWISTOWN DISPATCH
NATIONAL WEATHER SERVICE GREAT FALLS MT
109 PM MST WED JAN 14 2026
FORECAST IS BASED ON FORECAST START TIME OF 1300 MST ON JANUARY 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
UPPER LEVEL RIDGING OVER THE NORTHERN ROCKIES THROUGH THE DAY
TODAY WILL BRING OVERALL LIGHT WINDS AND WELL ABOVE NORMAL
TEMPERATURES TO THE INCIDENT AREA. BY THIS EVENING A WEAK
DISTURBANCE WILL BEGIN TO CREST THE RIDGE AND DIVE SOUTHEAST OVER
NORTH CENTRAL AND CENTRAL MONTANA THROUGH THE DAY ON THURSDAY.
THIS DISTURBANCE MAY BRING LIGHT PRECIPITATION TO THE ISLAND
RANGES OF CENTRAL MONTANA THROUGH THE DAY ON THURSDAY, BUT ANY
PRECIPITATION IS LIKELY TO FALL BELOW A WETTING EVENT. THIS
BIGGEST IMPACT FROM THE DISTURBANCE AND ASSOCIATED COLD FRONT WILL
BE INCREASING NORTH WINDS THROUGH THE DAY ON THURSDAY, WITH A
60-70% CHANCE FOR WIND GUSTS IN EXCESS OF 55 MPH DURING THE LATE
AFTERNOON AND EVENING HOURS ON THURSDAY.
REST OF TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....57-62.
MIN HUMIDITY........17-22 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS AROUND 15 MPH.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....NORTHWEST AROUND 30
MPH DECREASING TO AROUND 20 MPH LATE IN THE
AFTERNOON.
TIME (MST) 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 5 6 9 10
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0
TEMP............58 59 58 56 54
RH..............24 23 22 24 26
20 FT WIND DIR..NW NW NW NW W
20 FT WIND SPD..15 15 15 15 15
20 FT WIND GUST.25 25 25 25 25
MIX HGT (KFT)...1.5 2.0 1.5 1.0 0.5
TRANSP WIND DIR.NW NW NW NW NW
TRANSP WIND SPD.30 30 30 20 20
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....31-36.
MAX HUMIDITY........42-47 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......BREEZY. NORTHWEST WINDS 15 TO 20 MPH INCREASING
TO 20 TO 25 MPH OVERNIGHT.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH INCREASING TO 30 TO 35
MPH LATE IN THE EVENING, THEN DECREASING TO
AROUND 25 MPH EARLY IN THE MORNING.
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........11 11 10 12 8 10 8 9 14 19 17 16
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............51 49 48 48 48 48 47 47 46 43 40 39
RH..............28 26 25 24 24 23 24 26 30 37 38 39
20 FT WIND DIR..W W NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..15 20 20 20 20 20 20 25 25 20 20 20
20 FT WIND GUST.25 30 30 30 30 30 30 35 35 30 30 30
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.20 25 25 25 25 30 30 30 35 30 30 25
THURSDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING MOSTLY
SUNNY (45-55 PERCENT) CHANCE OF SNOW EARLY IN THE
AFTERNOON. SLIGHT CHANCE OF SNOW LATE IN THE
AFTERNOON.
CWR.................0 PERCENT INCREASING TO 10 PERCENT LATE IN THE
MORNING, THEN DECREASING TO 0 PERCENT LATE IN
THE AFTERNOON.
CHANCE OF THUNDER...1 PERCENT.
MAX TEMPERATURE.....42-47.
MIN HUMIDITY........30-35 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WINDY. NORTHWEST WINDS 15 TO 20 MPH INCREASING
TO 25 TO 30 MPH WITH GUSTS TO AROUND 45 MPH
LATE IN THE MORNING.
MIXING HEIGHT.......3500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 20 TO 25 MPH INCREASING TO 40 TO 45
MPH.
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........21 13 13 17 34 29 51 56 59 59 49 39
WEATHER COV..... PTY PTY CHC SCH SCH SCH PTY
WEATHER TYPE.... BDT BDT SN SN SN SN BDT
TSTM COV........
CWR.............0 0 0 0 0 10 10 10 10 10 10 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............39 35 37 40 42 42 40 41 35 35 32 28
RH..............39 44 47 39 35 35 36 45 52 44 58 58
20 FT WIND DIR..NW W W W NW NW NW NW NW NW NW NW
20 FT WIND SPD..15 15 15 15 20 25 25 25 25 30 30 30
20 FT WIND GUST.30 25 25 30 30 35 35 35 35 40 40 45
MIX HGT (KFT)...0.1 0.1 0.1 1.0 2.0 3.0 3.0 3.5 3.0 3.5 3.0 3.0
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.25 20 20 20 30 35 35 40 40 45 40 45
FORECASTER...MOLDAN
REQUESTED BY...LEWISTOWN INTERAGENCY DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 2528878.2/TFX
.DELDT 01/14/26
.FORMATTERVERSION 2.0.0
.EMAIL MTLEC@FIRENET.GOV, TFX.OPS@NOAA.GOV
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