870
FNUS75 KTFX 301111
FWSTFX
SPOT FORECAST FOR JERICHO CREEK FIRE...USFS
NATIONAL WEATHER SERVICE GREAT FALLS MT
511 AM MDT SAT MAY 30 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 MDT ON MAY 30.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
PERIODS OF RAIN WILL AFFECT THE BURN AREA TODAY, BUT DO EXPECT A
FEW HOURS OF LITTLE/NO RAIN. ANY THUNDERSTORMS SHOULD BE ISOLATED.
SNOW LEVELS LOOK RATHER HIGH, MOSTLY ABOVE 8500 FEET. RAINFALL
SHOULD DECREASE BY LATE SUN AFTERNOON. STILL THINKING 1 TO 2
INCHES TOTAL RAINFALL THIS WEEKEND. THERE IS A CHANCE FOR
SHOWERS/THUNDERSTORMS MOST DAYS NEXT WEEK, ALONG WITH A SLOW
WARMING TREND.
TODAY
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS.
CWR.................55 PERCENT INCREASING TO 95 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...24 PERCENT.
MAX TEMPERATURE.....47-52.
MIN HUMIDITY........88-93 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......NORTHWEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS IN THE LATE
MORNING AND AFTERNOON.
RIDGETOP...........NORTH 10 TO 15 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........94 95 89 86 88 89 90 92 92 98 94 90
WEATHER COV.....CHC CHC CHC LKY LKY DEF DEF DEF DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH SCH SCH SCH
CWR.............60 60 60 60 60 60 100 100 100 100 100 100
CHC OF THDR (%).10 10 10 20 20 20 20 20 20 20 20 20
TEMP............47 45 44 46 48 48 47 48 47 48 47 47
RH..............93 93 94 93 100 100 100 100 100 100 93 93
20 FT WIND DIR..W NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..5 5 5 10 10 10 10 10 10 10 10 10
20 FT WIND GUST.15 15 15 15 15 15 15 15 20 20 20 20
RIDGE WIND DIR..N N N N N N N N N N N N
RIDGE WIND SPD..10 10 10 10 10 15 15 15 15 15 15 15
MIX HGT (KFT)...1.0 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.10 10 10 10 10 10 10 15 15 15 15 15
TONIGHT
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN THROUGH THE
NIGHT. SNOW OVERNIGHT, MOSTLY ABOVE 8000
FEET.
CWR.................90 PERCENT.
CHANCE OF THUNDER...11 PERCENT.
MIN TEMPERATURE.....34-39.
MAX HUMIDITY........88-93 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 10 TO 15 MPH.
RIDGETOP...........NORTHWEST 10 TO 15 MPH INCREASING TO WEST
AROUND 30 MPH.
MIXING HEIGHT.......1500 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 20 MPH INCREASING TO 20 TO 25 MPH
AFTER 3 AM.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........96 96 97 98 97 97 95 95 96 96 96 96
WEATHER COV.....DEF DEF DEF DEF DEF DEF LKY LKY LKY LKY DEF DEF
WEATHER TYPE....RN RN RN RN RN RN RN RN RN RN RS RS
TSTM COV........
CWR.............90 90 90 90 90 90 90 90 90 90 90 90
CHC OF THDR (%).10 10 10 10 10 10 0 0 0 0 0 0
TEMP............46 44 43 42 42 42 42 41 41 41 40 38
RH..............93 93 93 93 93 93 93 92 92 90 93 92
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..10 10 15 15 15 15 15 15 15 15 15 15
20 FT WIND GUST.20 20 25 25 25 25 25 25 25 25 25 25
RIDGE WIND DIR..N N NW NW NW NW NW NW NW W W W
RIDGE WIND SPD..10 10 10 10 15 15 15 20 20 25 30 30
MIX HGT (KFT)...1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.15 15 20 15 20 15 20 20 20 25 20 20
SUNDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN AND SNOW EARLY IN
THE MORNING, CHANCE OF RAIN IN THE LATE MORNING AND
AFTERNOON.
CWR.................70 PERCENT DECREASING TO 35 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...10 PERCENT.
MAX TEMPERATURE.....44-49.
MIN HUMIDITY........68-73 PERCENT.
WIND (20 FT)........
SLOPE/VALLEY.......WEST WINDS 10 TO 15 MPH. GUSTS UP TO 30 MPH IN
THE MORNING AND EARLY AFTERNOON.
RIDGETOP...........WEST 30 TO 35 MPH DECREASING TO 20 TO 25 MPH
LATE IN THE MORNING.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....WEST 15 TO 20 MPH.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........96 96 96 91 91 91 94 94 94 89 89 89
WEATHER COV.....DEF DEF DEF DEF CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RS RS RS RS RS RS RS RN RN RN RN RN
TSTM COV........
CWR.............70 70 70 70 70 70 40 40 40 40 40 40
CHC OF THDR (%).0 0 0 0 0 0 10 10 10 10 10 10
TEMP............38 38 36 38 39 40 41 42 43 45 44 45
RH..............89 90 93 93 95 93 89 87 85 81 76 73
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..15 15 15 15 15 15 15 15 15 10 10 10
20 FT WIND GUST.30 30 30 25 25 25 25 25 25 20 20 20
RIDGE WIND DIR..W W W W W W W W W W W W
RIDGE WIND SPD..30 35 35 30 30 25 25 25 25 25 25 20
MIX HGT (KFT)...1.5 1.5 1.5 1.5 2.0 2.5 2.5 3.5 3.5 3.0 4.0 4.0
TRANSP WIND DIR.W W W W W W W W W W W W
TRANSP WIND SPD.20 20 20 15 20 20 20 20 20 20 20 20
FORECASTER...BRUSDA
REQUESTED BY...JAKE FITZGERALD
TYPE OF REQUEST...WILDFIRE
.TAG 2613863.13/TFX
.DELDT 05/30/26
.FORMATTERVERSION 2.0.0
.EMAIL MTHDC@FIRENET.GOV,AASHDALE@LCCOUNTYMT.GOV,SCOTT.NELSON@DNR.WA.GOV,JAKE.FITZGERALD@USDA.GOV,SAMUEL.ADAMS2@USDA.GOV
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