156
FNUS75 KMSO 181133
FWSMSO
SPOT FORECAST FOR C-PTPA PRACTICE FIRE/FIELD DAY
NATIONAL WEATHER SERVICE MISSOULA MT
533 AM MDT THU JUN 18 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 PDT ON JUNE 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
TODAY THERE IS A SLIGHT WARMING AND DRYING TREND
TODAY COMPARED TO YESTERDAY UNDER MOSTLY SUNNY SKIES. A RIDGE OVER
THE US WEST COAST WILL CAUSE NORTHWESTERLY THIS AFTERNOON, BUT THE
BURN SITE IS FAR ENOUGH WEST THAT WINDS BE LIGHT AT 5-6 MPH.
REST OF TODAY
* SKY/WEATHER.........SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....75-80.
* MIN HUMIDITY........21-26 PERCENT.
* WIND (20 FT)........WEST 5-6 MPH.
* MIXING HEIGHT.......5500 FT AGL INCREASING TO 6500 FT AGL LATE IN
THE AFTERNOON.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....44-49.
* MAX HUMIDITY........67-72 PERCENT.
* WIND (20 FT)........NORTHWEST AROUND 5 MPH SHIFTING TO THE EAST
OVERNIGHT.
* MIXING HEIGHT.......5000 FT AGL DECREASING TO 500 FT AGL EARLY IN
THE EVENING.
* MIXING WINDS........NORTHEAST 5 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
JUNETEENTH
* SKY/WEATHER.........MOSTLY CLOUDY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....80-85.
* MIN HUMIDITY........17-22 PERCENT.
* WIND (20 FT)........EAST AROUND 5 MPH IN THE MORNING BECOMING
VARIABLE 2-4 MPH.
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 6000 FT AGL IN THE
AFTERNOON.
* MIXING WINDS........SOUTH 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
FORECASTER...LEACH
REQUESTED BY...DILLON ALEXANDER
TYPE OF REQUEST...PRESCRIBED
.TAG 2615731.0/MSO
.DELDT 06/18/26
.FORMATTERVERSION 2.0.0
.EMAIL DALEXANDER@CPTPA.COM
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