310
FNUS75 KTFX 100858
FWSTFX
SPOT FORECAST FOR TWO CALF UNIT A RX...BLM
NATIONAL WEATHER SERVICE GREAT FALLS MT
258 AM MDT FRI APR 10 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 MDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SOUTHEAST SURFACE WINDS WILL BECOME BREEZY BEYOND 1000 LOCAL TIME
THIS MORNING AS MIXING INCREASES, WITH BREEZY AND GUSTY WINDS
EXPECTED THROUGH 2100 LOCAL TIME THIS EVENING. TEMPERATURES WILL
WARM SOME 10 TO 15 DEGREES FROM THAT OF THURSDAY THANKS TO THESE
INCREASING SOUTHEAST WINDS, WITH CONTINUED DRY CONDITIONS THROUGH
THE DAY. PRECIPITATION CHANCES BEGIN TO INCREASE ON SATURDAY
AHEAD OF AN UPPER LEVEL DISTURBANCE, WITH CHANCES FOR WETTING
RAINFALL INCREASING TO BETWEEN A 25-35% CHANCE FROM SUNDAY EVENING
THROUGH MONDAY NIGHT. - MOLDAN
TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....65-70.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 10 MPH PRIOR TO 1000 INCREASING
TO AROUND 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH FOR
THE REMAINDER OF THE MORNING AND AFTERNOON HOURS.
MIXING HEIGHT.......4500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH INCREASING TO 20 TO 25
MPH IN THE LATE MORNING AND AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........14 16 18 14 17 21 19 18 24 26 29 36
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 30 34 39 48 52 56 59 63 65 66 67
RH..............69 69 62 52 43 37 33 31 28 27 26 26
20 FT WIND DIR..SE E SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..5 5 5 10 10 15 15 15 15 15 15 15
20 FT WIND GUST.10 10 10 15 15 20 25 25 30 25 25 25
MIX HGT (KFT)...0.5 0.5 0.5 1.5 2.0 2.5 4.0 4.0 4.0 4.5 4.5 4.5
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE SE SE
TRANSP WIND SPD.10 15 10 15 20 25 25 25 20 20 20 20
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (50-60 PERCENT).
CWR.................5 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........65-70 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTHEAST WINDS 10 TO 15 MPH THROUGH 2100 DECREASING
TO BETWEEN 3 TO 8 MPH THEREAFTER.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH DECREASING TO 5 TO 10
MPH OVERNIGHT.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........38 48 51 48 45 47 46 49 53 52 52 58
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............65 63 59 54 52 50 48 47 46 44 43 42
RH..............26 32 38 43 46 50 54 58 59 63 65 68
20 FT WIND DIR..SE SE E E E E E E E E E E
20 FT WIND SPD..15 10 10 5 5 5 5 5 0 0 0 0
20 FT WIND GUST.25 20 15 15 15 10 10 10 5 5 5 5
MIX HGT (KFT)...4.0 1.5 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 SE SE E E SE
TRANSP WIND SPD.20 20 15 15 15 15 10 10 10 5 5 5
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON.
CWR.................5 PERCENT.
CHANCE OF THUNDER...12 PERCENT.
MAX TEMPERATURE.....75-80.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......SOUTH WINDS BETWEEN 3 TO 8 MPH EARLY
IN THE AFTERNOON, THEN SHIFTING TO THE
SOUTHWEST LATE IN THE AFTERNOON.
MIXING HEIGHT.......7500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST AROUND 5 MPH SHIFTING TO THE
SOUTHWEST IN THE LATE MORNING AND EARLY
AFTERNOON, THEN INCREASING TO AROUND 15 MPH
LATE IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........39 39 39 33 33 33 43 43 43 43 43 43
WEATHER COV..... SCH SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
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 10 10 10
TEMP............41 43 46 48 54 61 68 72 75 76 77 76
RH..............70 69 64 57 50 43 37 32 28 26 24 24
20 FT WIND DIR..SE SE SE SE SE SE S S S SW SW SW
20 FT WIND SPD..0 0 0 0 0 0 5 5 5 5 5 5
20 FT WIND GUST.5 5 5 5 5 5 10 10 10 15 15 15
MIX HGT (KFT)...0.5 0.5 0.5 1.0 1.0 1.5 2.0 4.0 6.0 7.5 7.5 7.0
TRANSP WIND DIR.SE SE S SW SW SW W W SW SW SW W
TRANSP WIND SPD.5 5 5 5 5 5 5 10 15 15 15 15
FORECASTER...MOLDAN
REQUESTED BY...JAY PETERMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 2609513.2/TFX
.DELDT 04/10/26
.FORMATTERVERSION 2.0.0
.EMAIL JPETERMAN@BLM.GOV, TFX.OPS@NOAA.GOV
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