612
FNUS75 KMSO 211805
FWSMSO
SPOT FORECAST FOR SILVERTIP
NATIONAL WEATHER SERVICE MISSOULA MT
1205 PM MDT FRI AUG 21 2026
FORECAST IS BASED ON FORECAST START TIME OF 1300 MDT ON AUGUST 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
NEAR ELEVATED FIRE WEATHER FROM SATURDAY EVENING
THROUGH EARLY SUNDAY MORNING DUE TO DRY THUNDERSTORM.
WARM TO HOT AND DRY CONDITIONS EXPECTED THROUGHOUT THE
FORECAST PERIOD. POOR OVERNIGHT RH RECOVERY ON MID-SLOPES AND
RIDGE TOPS. TERRAIN DRIVEN LIGHT DOWN-SLOPE WINDS MAY DEVELOP
OVERNIGHT OVER THE LOWER TERRAIN/VALLEY AREAS.
CLOUD COVERS, MAINLY HIGH CLOUDS, WILL GRADUALLY INCREASE
OVERNIGHT. VERY HIGH BASED SHOWERS MAY DEVELOP AFTER MID NIGHT,
WITH DRY THUNDERSTORM DEVELOPING OVER THE AREAS DURING SATURDAY
AFTERNOON. ERRATIC WINDS AND GUSTS UP TO 40 MPH POSSIBLE
ASSOCIATED WITH DRY THUNDERSTORM OUTFLOW, EVEN THOUGH ACTIVITIES
MAY BE FAR AWAY FROM THE FIRE GROUND. LITTLE RAINFALL FROM
SHOWERS/THUNDERSTORM EXPECTED REACHING GROUND, UNLESS IT IS DIRECT
HIT BY A THUNDERSTORM. EVEN IN THAT CASE, RAINFALL TOTALS STILL
EXPECTED TO BE LESS THAN 0.1 INCH.
.REST OF TODAY
* SKY/WEATHER.........MOSTLY SUNNY.
* CWR (> 0.10 INCH)...0 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MAX TEMPERATURE.....BOTTOM: 85-88. TOP: 81-84.
* MIN HUMIDITY........10-20 PERCENT.
* WIND (20 FT)........WEST TO NORTHWEST 5-10 MPH GUSTS 15-22 MPH.
* PRECIP AMOUNT.......0.00 INCHES.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF HIGH
BASED LIGHT SHOWERS AFTER MID NIGHT.
* CWR (> 0.10 INCH)...10 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....BOTTOM: 54-58. TOP: 59-62
* MAX HUMIDITY........BOTTOM: 70-80 PERCENT. TOP: 35-46 PERCENT.
* WIND (20 FT)........BOTTOM: VARIABLE 5-10 MPH. TOP: SOUTH TO
SOUTHEAST 8-12 MPH GUSTS TO 20 MPH AT TIMES.
* PRECIP AMOUNT.......0.00 INCHES.
SATURDAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF HIGH BASED
LIGHT SHOWERS. SLIGHT CHANCE OF DRY THUNDERSTORM IN THE
AFTERNOON.
* CWR (> 0.10 INCH)...10 PERCENT.
* CHANCE LIGHTNING....20 PERCENT.
* MAX TEMPERATURE.....BOTTOM: 81-86. TOP: 76-82.
* MIN HUMIDITY........30-40 PERCENT.
* WIND (20 FT)........SOUTH TO SOUTHEAST 5-10 MPH SHIFTING TO THE
WEST 8-12 MPH GUST TO 15-22 MPH IN THE AFTERNOON.
* PRECIP AMOUNT.......0.00-0.04 INCHES.
FORECASTER...BEC/JUNSMITHBOM
REQUESTED BY...JIM FLINT
TYPE OF REQUEST...WILDFIRE
.TAG 2620168.0/MSO
.DELDT 08/21/26
.FORMATTERVERSION 2.0.0
.EMAIL JAMES.FLINT@USDA.GOV,SCOTT.REID@USDA.GOV,TRISTAN.REID@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page