071  
FNUS75 KBYZ 302254  
FWSBYZ  
 
SPOT FORECAST FOR LONG OTTER...MR-CRA  
NATIONAL WEATHER SERVICE BILLINGS MT  
454 PM MDT MON MAR 30 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1500 MDT ON MARCH 30.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
A COLD FRONT WILL MOVE IN FROM THE NORTH LATE THIS AFTERNOON/EARLY  
EVENING, BRINGING BREEZY NORTH WINDS AND RAIN SHOWERS BECOMING SNOW  
SHOWERS AS TEMPERATURES FALL. THROUGH 8 PM MDT, THERE IS A 20% CHANCE  
OF A GUST GREATER THAN 35 MPH. THE HEAVIEST SNOW WILL FALL LATE THIS  
EVENING, THEN THE CHANCE FOR SNOW WILL GRADUALLY DECREASE OVERNIGHT  
INTO TUESDAY MORNING. EXPECT AROUND 1 INCH OR LESS OF SNOW. EA  
 
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS.  
CWR.................5 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....54-60.  
MIN HUMIDITY........50-58 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTHWEST WINDS 10 TO 17 MPH WITH GUSTS TO AROUND  
25 MPH.  
RIDGETOP...........NORTHWEST 25-35 MPH.  
MIXING HEIGHT.......4800 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....NORTH 22 MPH.  
   
TONIGHT  
 
SKY/WEATHER.........CLOUDY. RAIN SHOWERS IN THE EVENING. SNOW  
SHOWERS LIKELY THROUGH THE NIGHT.  
CWR.................80 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....25-29.  
MAX HUMIDITY........92-96 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS 9 TO 15 MPH. GUSTS UP TO 35 MPH IN  
THE EVENING.  
RIDGETOP...........NORTH 25-35 MPH. STRONGEST IN THE EVENING.  
MIXING HEIGHT.......DECREASING TO 2400 FT AGL OVERNIGHT.  
TRANSPORT WINDS.....NORTH AROUND 23 MPH.  
   
TUESDAY  
 
SKY/WEATHER.........CLOUDY THEN BECOMING PARTLY SUNNY. CHANCE OF  
SNOW SHOWERS.  
CWR.................15 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....42-46.  
MIN HUMIDITY........46-52 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......EAST WINDS 5 TO 14 MPH. GUSTS UP TO 24 MPH IN  
THE AFTERNOON.  
RIDGETOP...........EAST 15 TO 25 MPH.  
MIXING HEIGHT.......2000 FT AGL EARLY IN THE MORNING INCREASING TO  
4600 FT AGL IN THE AFTERNOON.  
TRANSPORT WINDS.....EAST AROUND 20 MPH.  
 
 
FORECASTER...ARCHER/TESAR  
REQUESTED BY...SARAH  
TYPE OF REQUEST...WILDFIRE  
.TAG 2608613.0/BYZ  
.DELDT 03/30/26  
.FORMATTERVERSION 2.0.0  
.EMAIL MTBDC@FIRENET.GOV  
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