639
FNUS75 KMSO 191114
FWSMSO
SPOT FORECAST FOR LOST HORSE
NATIONAL WEATHER SERVICE MISSOULA MT
514 AM MDT THU JUN 19 2025
FORECAST IS BASED ON FORECAST START TIME OF 0610 MDT ON JUNE 19.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SOUTHWESTERLY FLOW WILL TRANSPORT MOISTURE AND
INSTABILITY INTO THE AREA BY EARLY AFTERNOON, LEADING TO CUMULUS
BUILD UPS AND ISOLATED SHOWERS AND THUNDERSTORMS BY LATE
AFTERNOON. ANY STORMS THAT DEVELOP WILL BE CAPABLE OF PRODUCING
GUSTY OUTFLOW WINDS, WITH LITTLE TO ANY PRECIPITATION.
A CLOSED LOW PRESSURE SYSTEM WILL PUSH ACROSS THE PACIFIC
NORTHWEST TONIGHT INTO FRIDAY, WITH MULTIPLE WAVES OF SHOWERS AND
THUNDERSTORMS BEGINNING EARLY IN THE MORNING THROUGH THE
AFTERNOON, WITH AN 80% CHANCE FOR WETTING RAINS.
REST OF TODAY
* SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE AFTERNOON.
* CWR (> 0.10 INCH)...10 PERCENT.
* CHANCE LIGHTNING....20 PERCENT.
* MAX TEMPERATURE.....70-75.
* MIN HUMIDITY........28-33 PERCENT.
* WIND (20 FT)........SOUTHWEST 5-8 MPH.
* MIXING HEIGHT.......2000 FT AGL INCREASING TO 5500 FT AGL LATE IN
THE MORNING.
* MIXING WINDS........SOUTHWEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS OVERNIGHT.
* CWR (> 0.10 INCH)...30 PERCENT.
* CHANCE LIGHTNING....30 PERCENT.
* MIN TEMPERATURE.....40-45.
* MAX HUMIDITY........84-89 PERCENT.
* WIND (20 FT)........NORTHWEST 5-8 MPH.
* MIXING HEIGHT.......3500 FT AGL DECREASING TO LESS THAN 100 FT
AGL EARLY IN THE EVENING.
* MIXING WINDS........NORTHWEST 10 MPH.
* PRECIP AMOUNT.......0.01-0.07 INCHES.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN RAIN SHOWERS AND
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CWR (> 0.10 INCH)...80 PERCENT.
* CHANCE LIGHTNING....40 PERCENT.
* MAX TEMPERATURE.....53-58.
* MIN HUMIDITY........68-73 PERCENT.
* WIND (20 FT)........NORTHWEST 6-10 MPH.
* MIXING HEIGHT.......2000 FT AGL.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.08-0.28 INCHES.
FORECASTER...LUKINBEAL
REQUESTED BY...ZACHARY LEE
TYPE OF REQUEST...WILDFIRE
.TAG 2516153.1/MSO
.DELDT 06/19/25
.FORMATTERVERSION 2.0.0
.EMAIL ZACHARY.LEE@USDA.GOV,PATRICK.MITCHELL@USDA.GOV
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