995
FNUS75 KMSO 180341
FWSMSO
SPOT FORECAST FOR RATTLESNAKE SAR
NATIONAL WEATHER SERVICE MISSOULA MT
941 PM MDT SAT MAY 17 2025
FORECAST IS BASED ON FORECAST START TIME OF 0900 MDT ON MAY 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A SIGNIFICANT LATE SPRING SNOW STORM WILL BEGIN
AFTER MIDNIGHT SATURDAY. A HEAVY, WET SNOW ACCUMULATION OF 2 TO 7
INCHES WILL BE POSSIBLE AT SAR ELEVATION, ELEVATIONS ABOVE 6000
FEET HAVE THE POTENTIAL TO RECEIVE 6 TO 10 INCHES WITH A 10%
CHANCE OF RECEIVING UP TO 18 INCHES. ELEVATIONS THAT HAVE TREES
WITH LEAVES, THE GREATEST THREAT WILL BE DOWNED LIMBS POTENTIALLY
BLOCKING FOREST SERVICE ROADS OR CAUSING INJURY. COLD, WET, AND
BREEZY CONDITIONS COULD CAUSE HYPOTHERMIA. SMALL STREAMS AND
CREEKS WILL LIKELY SEE QUICK RISES DURING AND WITHIN 24 HOURS OF
THE MODERATE TO HEAVY PRECIPITATION.
SUNDAY
* SKY/WEATHER.........CLOUDY. SNOW.
* CHANCE OF PRECIP....100 PERCENT.
* CHANCE LIGHTNING....UP TO 10 PERCENT.
* MAX TEMPERATURE.....35-40.
* MIN HUMIDITY........83-88 PERCENT.
* WIND CHILL..........23-29.
* WIND (20 FT)........WEST 10-15 MPH WITH GUSTS TO AROUND 25 MPH.
* PRECIP AMOUNT.......0.20-0.56 INCHES.
SUNDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,
THEN SLIGHT CHANCE OF RAIN AND SNOW OVERNIGHT.
* CHANCE OF PRECIP....50 PERCENT.
* CHANCE LIGHTNING....0 PERCENT.
* MIN TEMPERATURE.....28-33.
* MAX HUMIDITY........83-88 PERCENT.
* WIND CHILL..........13-20.
* WIND (20 FT)........WEST 9-14 MPH. GUSTS UP TO 25 MPH
DECREASING 15 TO 20 MPH OVERNIGHT.
* PRECIP AMOUNT.......0.04-0.16 INCHES.
FORECASTER...BEC
REQUESTED BY...JOE BLATTNER
TYPE OF REQUEST...SAR
.TAG 2514208.0/MSO
.DELDT 05/17/25
.FORMATTERVERSION 2.0.0
.EMAIL CHIEF@MISSOULASAR.COM
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page