083
FNUS75 KMSO 182229
FWSMSO
SPOT FORECAST FOR BANANA LAKE FIRE
NATIONAL WEATHER SERVICE MISSOULA MT
429 PM MDT WED JUN 18 2025
FORECAST IS BASED ON FORECAST START TIME OF 1800 MDT ON JUNE 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THURSDAY WILL SEE SIMILAR TEMPERATURES AND RHS TO
WHAT WAS OBSERVED ON WEDNESDAY. BY THURSDAY LATE EVENING INTO
FRIDAY MORNING, SHOWERS AND ISOLATED THUNDERSTORMS WILL LIKELY
INCREASE OVER THE AREA. FRIDAY WILL SEE SEVERAL WAVES OF SHOWER
AND THUNDERSTORM ACTIVITY BUT RHS WILL BE HIGHER AND TEMPS COOLER.
THIS WEEKEND LOOKS WET WITH A 100% CHANCE OF SEEING AT LEAST A
WETTING RAIN. CURRENT FORECAST MODEL GUIDANCE SHOWS A REASONABLE
STORM TOTAL OF 0.30 TO 0.56". THERE ARE SOME MODELS SHOWING AN
EVEN WETTER SOLUTION, WITH A 40 PERCENT CHANCE STORM TOTAL
AMOUNTS COULD GO OVER 0.75" BY SUNDAY MORNING.
JUNETEENTH
* SKY/WEATHER.........MOSTLY SUNNY BECOMING PARTLY CLOUDY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....77-82.
* MIN HUMIDITY........14-19 PERCENT.
* WIND (20 FT)........WEST 5-8 MPH.
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 7000 FT AGL.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
THURSDAY NIGHT
* SKY/WEATHER.........BECOMING MOSTLY CLOUDY. CHANCE OF RAIN
OVERNIGHT. SLIGHT CHANCE OF THUNDERSTORMS.
* CWR (> 0.10 INCH)...10 PERCENT.
* CHANCE LIGHTNING....20 PERCENT.
* MIN TEMPERATURE.....51-56.
* MAX HUMIDITY........50-55 PERCENT.
* WIND (20 FT)........WEST 5-8 MPH. GUSTY WINDS POSSIBLE WITH
SHOWERS.
* MIXING HEIGHT.......5000 FT AGL DECREASING TO 500 FT AGL EARLY IN
THE EVENING.
* MIXING WINDS........WEST 5 MPH.
* PRECIP AMOUNT.......0.00-0.02 INCHES.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. THEN RAIN
SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CWR (> 0.10 INCH)...40 PERCENT.
* CHANCE LIGHTNING....20 PERCENT, INCREASING TO 40 PERCENT.
* MAX TEMPERATURE.....59-64.
* MIN HUMIDITY........45-50 PERCENT.
* WIND (20 FT)........WEST 5-10 MPH. GUSTS TO 17 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......3000 FT AGL INCREASING TO 3500 FT AGL LATE IN
THE AFTERNOON.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.06-0.12 INCHES.
FRIDAY NIGHT
* SKY/WEATHER.........CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN RAIN LIKELY OVERNIGHT.
* CWR (> 0.10 INCH)...80 PERCENT.
* CHANCE LIGHTNING....20 PERCENT.
* MIN TEMPERATURE.....43-48.
* MAX HUMIDITY........66-71 PERCENT.
* WIND (20 FT)........WEST 8-9 MPH.
* MIXING HEIGHT.......1500 FT AGL DECREASING TO 500 FT AGL IN THE
LATE EVENING AND OVERNIGHT.
* MIXING WINDS........WEST 10 MPH.
* PRECIP AMOUNT.......0.13-0.33 INCHES.
SATURDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN LIKELY IN THE MORNING,
THEN RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CWR (> 0.10 INCH)...50 PERCENT.
* CHANCE LIGHTNING....15 PERCENT.
* MAX TEMPERATURE.....50-55.
* MIN HUMIDITY........52-57 PERCENT.
* WIND (20 FT)........WEST 9-15 MPH. GUSTS TO 25 MPH.
* MIXING HEIGHT.......3500 FT AGL INCREASING TO 7000 FT AGL.
* MIXING WINDS........WEST 20 MPH.
* PRECIP AMOUNT.......0.05-0.25 INCHES.
SATURDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN.
* CWR (> 0.10 INCH)...50 PERCENT.
* CHANCE LIGHTNING....UP TO 10 PERCENT.
* MIN TEMPERATURE.....42-47.
* MAX HUMIDITY........75-80 PERCENT.
* WIND (20 FT)........WEST 6-14 MPH.
* MIXING HEIGHT.......4500 FT AGL DECREASING TO LESS THAN 100 FT
AGL EARLY IN THE EVENING.
* MIXING WINDS........NORTHWEST 10 MPH.
* PRECIP AMOUNT.......0.02-0.12 INCHES.
SUNDAY
* SKY/WEATHER.........CLOUDY. RAIN IN THE MORNING, THEN RAIN LIKELY
IN THE AFTERNOON.
* CWR (> 0.10 INCH)...30 PERCENT.
* CHANCE LIGHTNING....UP TO 10 PERCENT.
* MAX TEMPERATURE.....51-56.
* MIN HUMIDITY........53-58 PERCENT.
* WIND (20 FT)........WEST 6-8 MPH.
* MIXING HEIGHT.......4000 FT AGL IN THE MORNING AND EARLY
AFTERNOON.
* MIXING WINDS........NORTHWEST 5 MPH.
* PRECIP AMOUNT.......0.05-0.10 INCHES.
FORECASTER...JENNK
REQUESTED BY...TERRENCE CALDWELL
TYPE OF REQUEST...WILDFIRE
.TAG 2516206.0/MSO
.DELDT 06/18/25
.FORMATTERVERSION 2.0.0
.EMAIL TERRENCE.CALDWELL@MT.GOV
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