936  
FPUS55 KTFX 162110  
ZFPTFX  
 
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
209 PM MST MON DEC 16 2024  
 
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION  
ARE FOR TONIGHT, TUESDAY, TUESDAY NIGHT, AND WEDNESDAY.  
 
MTZ301-171100-  
EAST GLACIER PARK REGION-  
INCLUDING EAST GLACIER PARK, KIOWA, BABB, SAINT MARY,  
MARIAS PASS, AND LOGAN PASS  
209 PM MST MON DEC 16 2024  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST  
TUESDAY...  
...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE  
WEDNESDAY NIGHT...  
   
TONIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS  
15 TO 20. SOUTH WINDS UP TO 10 MPH SHIFTING TO THE WEST AFTER  
MIDNIGHT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
25 TO 30. WEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
SNOW LIKELY IN THE EVENING, THEN SNOW AFTER  
MIDNIGHT. SNOW ACCUMULATION OF 2 TO 5 INCHES. LOWS 20 TO 25.  
SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 35 MPH AFTER MIDNIGHT.  
CHANCE OF SNOW 90 PERCENT.    
WEDNESDAY
 
VERY WINDY. NOT AS COLD. SNOW IN THE MORNING, THEN  
SNOW AND RAIN IN THE AFTERNOON. HEAVY SNOW ACCUMULATIONS. HIGHS  
30 TO 40. SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS TO AROUND  
70 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY. SNOW LIKELY IN THE  
EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW  
ACCUMULATIONS. LOWS 20 TO 25. WEST WINDS 25 TO 35 MPH DECREASING  
TO 15 TO 25 MPH AFTER MIDNIGHT. GUSTS UP TO 65 MPH. CHANCE OF  
SNOW 70 PERCENT.    
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SNOW. HIGHS 30 TO 35. LOWS 25 TO 30.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SNOW. HIGHS 35 TO 45.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. LOWS 30 TO 35. HIGHS  
35 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 25 TO 35.    
SUNDAY
 
WINDY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS 30 TO 40.    
SUNDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SNOW. LOWS 25 TO 35.    
MONDAY
 
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS 30 TO 40.  
 

 
 
MTZ307-171100-  
SOUTHERN ROCKY MOUNTAIN FRONT-  
INCLUDING ROGERS PASS  
209 PM MST MON DEC 16 2024  
 
...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE  
WEDNESDAY NIGHT...  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING, THEN  
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. NEAR STEADY TEMPERATURE IN  
THE LOWER 20S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF SNOW  
50 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
25 TO 30. WEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
SNOW LIKELY IN THE EVENING, THEN SNOW AFTER  
MIDNIGHT. SNOW ACCUMULATION UP TO 2 INCHES. LOWS 20 TO 25.  
SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 35 MPH AFTER MIDNIGHT.  
CHANCE OF SNOW 90 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COLD. SNOW AND RAIN LIKELY IN THE  
MORNING, THEN SNOW AND RAIN IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. SNOW LEVEL 6000 FEET. HIGHS 30 TO 40. SOUTHWEST  
WINDS 25 TO 35 MPH WITH GUSTS TO AROUND 60 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH SNOW LIKELY IN THE  
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW AFTER  
MIDNIGHT. LOWS 20 TO 25. WEST WINDS 25 TO 35 MPH WITH GUSTS TO  
AROUND 65 MPH. CHANCE OF SNOW 70 PERCENT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH SATURDAY
 
MOSTLY CLOUDY. LOWS 25 TO 35.  
HIGHS 35 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 25 TO 35.    
SUNDAY
 
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS 30 TO 40.    
SUNDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SNOW. LOWS 25 TO 30.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS 30 TO 40.  
 

 
 
MTZ302-171100-  
NORTHERN HIGH PLAINS-  
INCLUDING BROWNING, HEART BUTTE, AND DUPUYER  
209 PM MST MON DEC 16 2024  
 
...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE  
WEDNESDAY NIGHT...  
   
TONIGHT
 
COLDER. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF  
SNOW. LOWS 10 TO 20. SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE  
NORTHWEST AFTER MIDNIGHT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 20 TO 25.  
NORTH WINDS UP TO 10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,  
THEN SNOW LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION UP TO 1 INCH.  
LOWS 15 TO 20. SOUTHEAST WINDS 5 TO 15 MPH. CHANCE OF SNOW  
70 PERCENT.    
WEDNESDAY
 
VERY WINDY. NOT AS COOL. CHANCE OF SNOW AND RAIN  
LIKELY IN THE MORNING, THEN RAIN AND SNOW LIKELY IN THE  
AFTERNOON. SNOW LEVEL 4500 FEET. HIGHS AROUND 45. SOUTHWEST WINDS  
20 TO 30 MPH INCREASING TO WEST 30 TO 45 MPH IN THE AFTERNOON.  
GUSTS UP TO 55 MPH INCREASING TO 65 MPH IN THE AFTERNOON. CHANCE  
OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH CHANCE OF SNOW AND  
RAIN IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SNOW AFTER MIDNIGHT. LOWS 15 TO 25. WEST WINDS 25 TO 35 MPH  
DECREASING TO 15 TO 25 MPH AFTER MIDNIGHT. GUSTS UP TO 60 MPH.  
CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS AROUND 40.    
THURSDAY NIGHT THROUGH SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS  
25 TO 35. HIGHS 45 TO 50.    
SUNDAY AND SUNDAY NIGHT
 
WINDY. MOSTLY CLOUDY. HIGHS 40 TO 45.  
LOWS 30 TO 35.    
MONDAY
 
WINDY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW. HIGHS 40 TO 45.  
 

 
 
MTZ308-171100-  
SOUTHERN HIGH PLAINS-  
INCLUDING BYNUM, CHOTEAU, AND PENDROY  
209 PM MST MON DEC 16 2024  
 
...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE  
WEDNESDAY NIGHT...  
   
TONIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. LOWS  
15 TO 20. SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 25 TO 35. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO  
THE EAST IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
LOWS 15 TO 25. SOUTH WINDS UP TO 10 MPH.    
WEDNESDAY
 
VERY WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF  
RAIN AND SNOW IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.  
HIGHS AROUND 50. SOUTHWEST WINDS 20 TO 30 MPH INCREASING TO WEST  
30 TO 45 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH CHANCE OF SNOW AND  
RAIN IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SNOW AFTER MIDNIGHT. LOWS 20 TO 30. WEST WINDS 25 TO 35 MPH  
DECREASING TO 15 TO 25 MPH AFTER MIDNIGHT. GUSTS UP TO 60 MPH.  
CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
35. HIGHS 50 TO 55.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 50 TO 55.    
SATURDAY NIGHT AND SUNDAY
 
BREEZY. MOSTLY CLOUDY. LOWS 30 TO  
35. HIGHS 45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 30 TO 35.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW. HIGHS 45 TO 50.  
 

 
 
MTZ303-171100-  
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-  
INCLUDING CUT BANK, ETHRIDGE, AND SANTA RITA  
209 PM MST MON DEC 16 2024  
 
...HIGH WIND WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH LATE  
WEDNESDAY NIGHT...  
   
TONIGHT
 
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SNOW. LOWS 10 TO 15. EAST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 20 TO 25. NORTH WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
LOWS 10 TO 15. SOUTHEAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
VERY WINDY. NOT AS COOL. MOSTLY CLOUDY WITH A  
50 PERCENT CHANCE OF SNOW AND RAIN. HIGHS AROUND 45. SOUTH WINDS  
20 TO 30 MPH SHIFTING TO THE WEST 25 TO 40 MPH WITH GUSTS TO  
AROUND 55 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW AND RAIN IN THE EVENING, THEN PARTLY CLOUDY AFTER  
MIDNIGHT. LOWS 10 TO 15. NORTHWEST WINDS 20 TO 30 MPH DECREASING  
TO 10 TO 20 MPH AFTER MIDNIGHT. GUSTS UP TO 50 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH SUNDAY
 
BREEZY. MOSTLY CLOUDY. LOWS  
20 TO 30. HIGHS 40 TO 50.    
SUNDAY NIGHT
 
BREEZY. PARTLY CLOUDY. LOWS AROUND 30.    
MONDAY
 
BREEZY. MOSTLY CLOUDY. HIGHS 45 TO 50.  
 

 
TEMPERATURE / PRECIPITATION  
 
CUT BANK 14 22 11 45 / 40 10 50 40  
 

 
 
MTZ304-171100-  
EASTERN TOOLE AND LIBERTY-  
INCLUDING DEVON, SHELBY, CHESTER, GALATA, JOPLIN, LOTHAIR,  
AND WHITLASH  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS  
10 TO 15. EAST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 20 TO 25.  
NORTH WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. SNOW ACCUMULATION UP TO  
1 INCH. LOWS 5 TO 10. EAST WINDS UP TO 10 MPH. CHANCE OF SNOW  
70 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY WITH A 50 PERCENT  
CHANCE OF SNOW AND RAIN. HIGHS 40 TO 45. SOUTH WINDS 10 TO 15 MPH  
INCREASING TO WEST 20 TO 30 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF RAIN AND SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER  
MIDNIGHT. LOWS 5 TO 10. NORTHWEST WINDS 15 TO 25 MPH DECREASING  
TO 10 TO 15 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 25 TO 35.    
THURSDAY NIGHT THROUGH SATURDAY
 
MOSTLY CLOUDY. LOWS 15 TO 25.  
HIGHS 35 TO 45.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS  
40 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 45.  
 

 
 
MTZ305-171100-  
HILL COUNTY-  
INCLUDING HAVRE  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SNOW AFTER  
MIDNIGHT. LOWS 10 TO 15. NORTHEAST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING. HIGHS AROUND 20. NORTH WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SNOW AFTER  
MIDNIGHT. LOWS 5 TO 10. NORTHEAST WINDS UP TO 10 MPH.    
WEDNESDAY
 
BREEZY. NOT AS COOL. MOSTLY CLOUDY. SNOW LIKELY IN  
THE MORNING, THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. LIGHT  
SNOW ACCUMULATIONS. HIGHS 35 TO 45. SOUTHEAST WINDS 10 TO 15 MPH  
SHIFTING TO THE SOUTHWEST 15 TO 25 MPH IN THE AFTERNOON. CHANCE  
OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY. A 50 PERCENT CHANCE OF  
SNOW AND RAIN IN THE EVENING. LOWS ZERO TO 5 ABOVE ZERO.  
NORTHWEST WINDS 20 TO 30 MPH DECREASING TO 10 TO 20 MPH AFTER  
MIDNIGHT.    
THURSDAY
 
COLDER. PARTLY CLOUDY. HIGHS 20 TO 25.    
THURSDAY NIGHT THROUGH SATURDAY
 
MOSTLY CLOUDY. LOWS 5 TO 15.  
HIGHS 30 TO 40.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 15 TO 20. HIGHS  
40 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 25.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.  
 

 
TEMPERATURE / PRECIPITATION  
 
HAVRE 13 22 7 39 / 30 30 50 60  
 

 
 
MTZ306-171100-  
NORTHERN BLAINE COUNTY-  
INCLUDING CHINOOK, ZURICH, HARLEM, HOGELAND, AND FORT BELKNAP  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW AFTER  
MIDNIGHT. LOWS AROUND 10. EAST WINDS UP TO 10 MPH.    
TUESDAY
 
CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE MORNING.  
HIGHS AROUND 20. NORTHEAST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
COLDER. MOSTLY CLOUDY. A 50 PERCENT CHANCE OF  
SNOW AFTER MIDNIGHT. LOWS ZERO TO 5 ABOVE. EAST WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
BREEZY. NOT AS COLD. SNOW IN THE MORNING, THEN SNOW  
AND RAIN LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS  
30 TO 40. SOUTHEAST WINDS 10 TO 20 MPH SHIFTING TO THE SOUTH  
15 TO 25 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
90 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW AND RAIN IN THE EVENING, THEN PARTLY CLOUDY AFTER  
MIDNIGHT. LOWS 5 BELOW TO 5 ABOVE ZERO. NORTHWEST WINDS 20 TO  
30 MPH WITH GUSTS TO AROUND 45 MPH.    
THURSDAY
 
COLDER, SUNNY. HIGHS 15 TO 20.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS ZERO TO 5 ABOVE ZERO.    
FRIDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
AROUND 25.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. LOWS 5 TO 10. HIGHS  
25 TO 30.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 15.    
SUNDAY
 
NOT AS COLD. MOSTLY CLOUDY. HIGHS 35 TO 40.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 20 TO 25.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 40.  
 

 
 
MTZ309-171100-  
EASTERN PONDERA AND EASTERN TETON-  
INCLUDING BRADY, CONRAD, AND LEDGER  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS AROUND  
15. EAST WINDS UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 25 TO 30. NORTH WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 10 TO 15.  
SOUTHEAST WINDS UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF RAIN  
AND SNOW IN THE MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON.  
HIGHS AROUND 50. SOUTH WINDS 10 TO 20 MPH INCREASING TO SOUTHWEST  
25 TO 35 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE EVENING. LOWS 10 TO 20. WEST WINDS 20 TO  
30 MPH BECOMING NORTHWEST 10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP  
TO 45 MPH.    
THURSDAY
 
COLDER. PARTLY CLOUDY. HIGHS AROUND 40.    
THURSDAY NIGHT THROUGH SUNDAY
 
MOSTLY CLOUDY. LOWS 20 TO 30.  
HIGHS 45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.  
 

 
 
MTZ310-171100-  
WESTERN AND CENTRAL CHOUTEAU COUNTY-  
INCLUDING FLOWEREE, CARTER, AND FORT BENTON  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS 15 TO  
20. EAST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING. HIGHS 25 TO 30. NORTH WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 10 TO 15. EAST  
WINDS UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF RAIN  
AND SNOW IN THE MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON.  
HIGHS 45 TO 50. SOUTH WINDS 10 TO 15 MPH INCREASING TO SOUTHWEST  
20 TO 30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE EVENING. LOWS 10 TO 20. WEST WINDS 20 TO  
30 MPH BECOMING NORTHWEST 10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP  
TO 45 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. LOWS 15 TO 25. HIGHS  
40 TO 45.    
FRIDAY NIGHT THROUGH SUNDAY
 
MOSTLY CLOUDY. LOWS 20 TO 30.  
HIGHS 45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 30 TO 35.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.  
 

 
 
MTZ311-171100-  
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-  
INCLUDING ROCKY BOY  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS  
15 TO 20. EAST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING. HIGHS IN THE MID 20S. NORTH WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 10 TO 15. EAST  
WINDS UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.    
WEDNESDAY
 
BREEZY. NOT AS COOL. MOSTLY CLOUDY. SNOW LIKELY IN  
THE MORNING, THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. SNOW  
LEVEL 3500 FEET. HIGHS 40 TO 45. SOUTHEAST WINDS 10 TO 15 MPH  
SHIFTING TO THE SOUTHWEST 15 TO 25 MPH IN THE AFTERNOON. CHANCE  
OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH CHANCE OF RAIN AND  
SNOW IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SNOW AFTER MIDNIGHT. LOWS 10 TO 15. WEST WINDS 20 TO 30 MPH WITH  
GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
THURSDAY
 
COLDER, SUNNY. HIGHS 25 TO 30.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. LOWS 10 TO 20. HIGHS  
35 TO 40.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. LOWS 20 TO 25. HIGHS  
35 TO 45.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 45.  
 

 
 
MTZ312-171100-  
CASCADE COUNTY BELOW 5000FT-  
INCLUDING GREAT FALLS  
209 PM MST MON DEC 16 2024  
 
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE  
WEDNESDAY NIGHT...  
   
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS AROUND  
20. SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE WEST AFTER  
MIDNIGHT.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 30 TO 35. NORTHWEST WINDS UP TO  
5 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 15 TO 20.  
SOUTHEAST WINDS UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.    
WEDNESDAY
 
VERY WINDY. NOT AS COOL. MOSTLY CLOUDY. SLIGHT  
CHANCE OF RAIN AND SNOW IN THE MORNING, THEN CHANCE OF RAIN IN  
THE AFTERNOON. HIGHS 50 TO 55. SOUTHWEST WINDS 20 TO 30 MPH  
INCREASING TO 30 TO 40 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE EVENING. LOWS 20 TO 25. WEST WINDS 25 TO  
35 MPH DECREASING TO 10 TO 20 MPH AFTER MIDNIGHT. GUSTS UP TO  
50 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO  
35. HIGHS AROUND 50.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 50 TO 55.    
SATURDAY NIGHT AND SUNDAY
 
BREEZY. MOSTLY CLOUDY. LOWS 30 TO  
35. HIGHS AROUND 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 35.    
MONDAY
 
WINDY. MOSTLY CLOUDY. HIGHS 50 TO 55.  
 

 
TEMPERATURE / PRECIPITATION  
 
GREAT FALLS ARPT 20 30 19 52 / 50 10 30 20  
 

 
 
MTZ313-171100-  
JUDITH BASIN COUNTY AND JUDITH GAP-  
INCLUDING RAYNESFORD, GEYSER, STANFORD, WINDHAM, BENCHLAND,  
HOBSON, AND MOCCASIN  
209 PM MST MON DEC 16 2024  
 
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE  
WEDNESDAY NIGHT...  
   
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS AROUND  
20. SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER  
MIDNIGHT.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 30 TO 35. NORTHWEST WINDS UP TO  
10 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 15 TO 20. SOUTH  
WINDS UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF RAIN  
AND SNOW IN THE MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON.  
HIGHS AROUND 50. SOUTHWEST WINDS 15 TO 25 MPH INCREASING TO 25 TO  
35 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE EVENING. LOWS 20 TO 25. WEST WINDS 25 TO  
35 MPH WITH GUSTS TO AROUND 50 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
35. HIGHS AROUND 50.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 50 TO 55.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 30 TO 35. HIGHS  
45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 30 TO 35.    
MONDAY
 
BREEZY. MOSTLY CLOUDY. HIGHS AROUND 50.  
 

 
 
MTZ314-171100-  
FERGUS COUNTY BELOW 4500FT-  
INCLUDING HILGER AND LEWISTOWN  
209 PM MST MON DEC 16 2024  
 
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE  
WEDNESDAY NIGHT...  
   
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS AROUND  
20. SOUTHEAST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING. HIGHS AROUND 30. NORTHWEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF SNOW AFTER  
MIDNIGHT. LOWS 15 TO 20. SOUTHEAST WINDS UP TO 10 MPH.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF SNOW  
AND RAIN IN THE MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON.  
HIGHS 45 TO 50. SOUTH WINDS 10 TO 15 MPH INCREASING TO SOUTHWEST  
20 TO 30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
50 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF RAIN AND SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER  
MIDNIGHT. LOWS 15 TO 20. WEST WINDS 20 TO 30 MPH WITH GUSTS TO  
AROUND 50 MPH.    
THURSDAY
 
SUNNY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH SATURDAY
 
MOSTLY CLOUDY. LOWS 20 TO 30.  
HIGHS 40 TO 50.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS AROUND 30. HIGHS  
45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.  
 

 
TEMPERATURE / PRECIPITATION  
 
LEWISTOWN 20 31 16 48 / 60 20 30 30  
 

 
 
MTZ315-171100-  
UPPER BLACKFOOT AND MACDONALD PASS-  
INCLUDING MARYSVILLE, LINCOLN, FLESHER PASS, AND MACDONALD PASS  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING, THEN  
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. NEAR STEADY TEMPERATURE IN  
THE MID 20S. SOUTHWEST WINDS UP TO 5 MPH. CHANCE OF SNOW  
50 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING. HIGHS 30 TO 35. WEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
LOWS IN THE MID 20S. SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO  
30 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF SNOW  
AND RAIN IN THE MORNING, THEN RAIN AND SNOW LIKELY IN THE  
AFTERNOON. SNOW LEVEL 5500 FEET. HIGHS 35 TO 45. SOUTHWEST WINDS  
20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION  
70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH SNOW LIKELY AND  
CHANCE OF RAIN IN THE EVENING, THEN PARTLY CLOUDY WITH SLIGHT  
CHANCE OF SNOW AFTER MIDNIGHT. LOWS 25 TO 30. WEST WINDS 20 TO  
30 MPH WITH GUSTS TO AROUND 55 MPH. CHANCE OF PRECIPITATION  
70 PERCENT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
30. HIGHS 40 TO 45.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS 30 TO 35.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW. HIGHS 35 TO 40. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW AND  
RAIN. HIGHS 35 TO 45.  
 

 
 
MTZ316-171100-  
GATES OF THE MOUNTAINS-  
INCLUDING CANYON CREEK, WOLF CREEK, AND CRAIG  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING, THEN  
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 20 TO 25. SOUTH WINDS  
UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 30 TO 35. SOUTHWEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 25 TO 30. SOUTH  
WINDS 5 TO 15 MPH. CHANCE OF SNOW 50 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY WITH A 50 PERCENT  
CHANCE OF RAIN AND SNOW. HIGHS 45 TO 50. SOUTHWEST WINDS 20 TO  
30 MPH WITH GUSTS TO AROUND 45 MPH.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE EVENING. LOWS 25 TO 30. WEST WINDS 20 TO  
30 MPH WITH GUSTS TO AROUND 50 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO  
35. HIGHS 40 TO 50.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 30 TO 35. HIGHS  
40 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 30 TO 35.    
MONDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS 40 TO 50.  
 

 
 
MTZ317-171100-  
LITTLE BELT AND HIGHWOOD MOUNTAINS-  
INCLUDING MONARCH, NEIHART, AND KINGS HILL PASS  
209 PM MST MON DEC 16 2024  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST  
TUESDAY...  
   
TONIGHT
 
CLOUDY. SNOW LIKELY IN THE EVENING, THEN CHANCE OF  
SNOW AFTER MIDNIGHT. SNOW ACCUMULATION OF 2 TO 5 INCHES. NEAR  
STEADY TEMPERATURE IN THE LOWER 20S. SOUTH WINDS UP TO 10 MPH  
SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT. CHANCE OF SNOW  
70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 25 TO 30.  
WEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 20 TO 25.  
SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.  
CHANCE OF SNOW 50 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY WITH A 50 PERCENT  
CHANCE OF SNOW AND RAIN. HIGHS 35 TO 45. SOUTHWEST WINDS 20 TO  
30 MPH WITH GUSTS TO AROUND 50 MPH.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH CHANCE OF SNOW AND  
SLIGHT CHANCE OF RAIN IN THE EVENING, THEN PARTLY CLOUDY WITH  
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 20 TO 25. WEST WINDS  
20 TO 30 MPH WITH GUSTS TO AROUND 55 MPH. CHANCE OF PRECIPITATION  
40 PERCENT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
35. HIGHS 40 TO 45.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 40 TO 50.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SNOW. LOWS 30 TO 35. HIGHS 35 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 35.    
MONDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 45.  
 

 
 
MTZ318-171100-  
SNOWY AND JUDITH MOUNTAINS-  
209 PM MST MON DEC 16 2024  
 
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE  
WEDNESDAY NIGHT...  
   
TONIGHT
 
CHANCE OF SNOW IN THE EVENING, THEN SNOW LIKELY AFTER  
MIDNIGHT. SNOW ACCUMULATION OF 2 TO 5 INCHES. LOWS AROUND 20.  
SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER  
MIDNIGHT. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING. HIGHS 25 TO 30. NORTHWEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A 40 PERCENT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 15 TO 20.  
SOUTH WINDS UP TO 10 MPH.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY WITH A 40 PERCENT  
CHANCE OF SNOW AND RAIN. HIGHS 40 TO 45. SOUTHWEST WINDS 10 TO  
20 MPH INCREASING TO 20 TO 30 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE EVENING. LOWS AROUND 20. WEST WINDS 25 TO  
35 MPH WITH GUSTS TO AROUND 55 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO  
30. HIGHS 40 TO 50.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO 35.    
SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS 40 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 50.  
 

 
 
MTZ319-171100-  
HELENA VALLEY-  
INCLUDING HELENA  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
CLOUDY. CHANCE OF SNOW IN THE EVENING, THEN SLIGHT  
CHANCE OF SNOW AFTER MIDNIGHT. LOWS 20 TO 25. SOUTH WINDS UP TO  
5 MPH. CHANCE OF SNOW 50 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 35 TO 40. SOUTH WINDS UP TO 5 MPH SHIFTING TO THE  
EAST IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN SLIGHT CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. LOWS  
IN THE MID 20S. SOUTHEAST WINDS UP TO 10 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. SLIGHT CHANCE OF  
RAIN AND SNOW IN THE MORNING, THEN CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS AROUND 50. SOUTH WINDS 15 TO 25 MPH SHIFTING TO  
THE SOUTHWEST 20 TO 30 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE EVENING. LOWS 25 TO 30. WEST WINDS 20 TO  
30 MPH DECREASING TO 10 TO 20 MPH AFTER MIDNIGHT. GUSTS UP TO  
45 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS AROUND 45.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
30. HIGHS 45 TO 50.    
SATURDAY
 
PARTLY CLOUDY. HIGHS AROUND 50.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS  
45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50.  
 

 
TEMPERATURE / PRECIPITATION  
 
HELENA 23 40 28 52 / 40 10 20 40  
 

 
 
MTZ320-171100-  
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-  
INCLUDING TRIDENT, MAUDLOW, BATTLE RIDGE PASS, BOZEMAN PASS,  
AND DEEP CREEK PASS  
209 PM MST MON DEC 16 2024  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST  
TUESDAY...  
   
TONIGHT
 
SNOW LIKELY IN THE EVENING, THEN CHANCE OF SNOW AFTER  
MIDNIGHT. SNOW ACCUMULATION OF 5 TO 8 INCHES. NEAR STEADY  
TEMPERATURE IN THE MID 20S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE  
OF SNOW 70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 25 TO 35.  
SOUTHWEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 20 TO 25.  
SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.  
CHANCE OF SNOW 50 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. SLIGHT CHANCE OF  
SNOW IN THE MORNING, THEN CHANCE OF SNOW AND RAIN IN THE  
AFTERNOON. HIGHS 35 TO 45. SOUTHWEST WINDS 20 TO 30 MPH WITH  
GUSTS TO AROUND 50 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
20 TO 25. WEST WINDS 20 TO 30 MPH WITH GUSTS TO AROUND 55 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
30. HIGHS 35 TO 45.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SNOW. LOWS AROUND 30. HIGHS 35 TO 40.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 40.  
 

 
 
MTZ321-171100-  
MEAGHER COUNTY VALLEYS-  
INCLUDING MARTINSDALE, CHECKERBOARD, RINGLING,  
AND WHITE SULPHUR SPRINGS  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
SNOW LIKELY IN THE EVENING, THEN CHANCE OF SNOW AFTER  
MIDNIGHT. SNOW ACCUMULATION OF 1 TO 4 INCHES. LOWS AROUND 20.  
SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER  
MIDNIGHT. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 30 TO 35.  
WEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 20 TO 25. SOUTH  
WINDS 5 TO 15 MPH. CHANCE OF SNOW 50 PERCENT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. SLIGHT CHANCE OF  
SNOW IN THE MORNING, THEN CHANCE OF RAIN AND SNOW IN THE  
AFTERNOON. HIGHS 40 TO 45. SOUTHWEST WINDS 20 TO 30 MPH WITH  
GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF RAIN AND SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER  
MIDNIGHT. LOWS 20 TO 25. WEST WINDS 20 TO 30 MPH WITH GUSTS TO  
AROUND 55 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
30. HIGHS 40 TO 45.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
40 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 25.    
MONDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
40 TO 45.  
 

 
 
MTZ322-171100-  
ELKHORN AND BOULDER MOUNTAINS-  
INCLUDING MONTANA CITY, CLANCY, BOULDER, CORBIN, WICKES,  
ELK PARK PASS, AND HOMESTAKE PASS  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS  
15 TO 25. SOUTHWEST WINDS UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 30 TO 35. WEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS IN THE MID 20S. SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO  
30 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. SLIGHT CHANCE OF  
SNOW IN THE MORNING, THEN CHANCE OF SNOW AND RAIN IN THE  
AFTERNOON. HIGHS 35 TO 45. SOUTHWEST WINDS 20 TO 30 MPH. CHANCE  
OF PRECIPITATION 50 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 50 PERCENT CHANCE OF  
SNOW IN THE EVENING. LOWS 20 TO 25. WEST WINDS 20 TO 30 MPH WITH  
GUSTS TO AROUND 45 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
30. HIGHS 35 TO 45.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 35.    
SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 45.  
 

 
 
MTZ323-171100-  
CANYON FERRY AREA-  
INCLUDING TOSTON, TOWNSEND, AND WINSTON  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS 20 TO  
25. SOUTH WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 35 TO 40. SOUTH WINDS UP TO 5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
NEAR STEADY TEMPERATURE AROUND 30. SOUTH WINDS 5 TO 15 MPH.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. SLIGHT CHANCE OF  
RAIN AND SNOW IN THE MORNING, THEN CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 45 TO 50. SOUTHWEST WINDS 20 TO 30 MPH. CHANCE  
OF PRECIPITATION 50 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE EVENING. LOWS 25 TO 30. WEST WINDS 15 TO  
25 MPH DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO  
40 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS AROUND 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
30. HIGHS AROUND 45.    
SATURDAY
 
PARTLY CLOUDY. HIGHS AROUND 45.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 30 TO 35. HIGHS  
AROUND 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 45.  
 

 
 
MTZ324-171100-  
MISSOURI HEADWATERS-  
INCLUDING HARRISON, THREE FORKS, WILLOW CREEK, PONY,  
AND WHITEHALL  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING, THEN  
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 20 TO 25. SOUTHWEST  
WINDS UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS  
35 TO 40. SOUTHWEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTHWEST WINDS  
5 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. A 20 PERCENT  
CHANCE OF RAIN IN THE AFTERNOON. HIGHS 45 TO 50. SOUTHWEST WINDS  
25 TO 35 MPH.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. LOWS AROUND 25.  
SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
30. HIGHS 45 TO 50.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS AROUND 30. HIGHS  
45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
45 TO 50.  
 

 
 
MTZ325-171100-  
MADISON RIVER VALLEY-  
INCLUDING CAMERON, ENNIS, JEFFERS, MCALLISTER, AND NORRIS  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS  
20 TO 25. SOUTH WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 35 TO 40.  
SOUTH WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SNOW. NEAR STEADY TEMPERATURE IN THE LOWER 30S. SOUTH WINDS 10 TO  
20 MPH INCREASING TO 20 TO 30 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
VERY WINDY. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN  
THE MORNING, THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS  
40 TO 45. SOUTH WINDS 30 TO 45 MPH. CHANCE OF PRECIPITATION  
40 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
SNOW IN THE EVENING. LOWS 20 TO 25. SOUTHWEST WINDS 25 TO 35 MPH  
DECREASING TO 15 TO 25 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
35. HIGHS 45 TO 50.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF RAIN AND SNOW. LOWS 30 TO 35. HIGHS 40 TO 45.    
SUNDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SNOW. LOWS 25 TO 30.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW  
AND RAIN. HIGHS 40 TO 45.  
 

 
 
MTZ326-171100-  
GALLATIN VALLEY-  
INCLUDING BOZEMAN AND GALLATIN GATEWAY  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. LOWS 20 TO  
25. SOUTHEAST WINDS UP TO 5 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS IN THE MID  
30S. SOUTHWEST WINDS UP TO 5 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A 20 PERCENT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 20 TO 25.  
SOUTH WINDS 5 TO 15 MPH.    
WEDNESDAY
 
WINDY. MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW  
IN THE MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS  
AROUND 45. SOUTH WINDS 10 TO 20 MPH INCREASING TO SOUTHWEST 20 TO  
30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE EVENING. LOWS 20 TO 25. SOUTHWEST WINDS  
20 TO 30 MPH DECREASING TO 10 TO 20 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO  
30. HIGHS AROUND 45.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS AROUND 30.    
SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS AROUND 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS AROUND 45.  
 

 
TEMPERATURE / PRECIPITATION  
 
BOZEMAN AIRPORT 20 38 22 47 / 60 10 10 30  
BOZEMAN MSU 23 36 24 45 / 70 30 20 30  
 

 
 
MTZ330-171100-  
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-  
INCLUDING BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,  
AND RAYNOLDS PASS  
209 PM MST MON DEC 16 2024  
 
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST  
TUESDAY...  
   
TONIGHT
 
CLOUDY. SNOW LIKELY IN THE EVENING, THEN CHANCE OF  
SNOW AFTER MIDNIGHT. SNOW ACCUMULATION OF 4 TO 7 INCHES. NEAR  
STEADY TEMPERATURE IN THE LOWER 20S. SOUTHWEST WINDS 5 TO 15 MPH.  
CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 25 TO 35.  
SOUTHWEST WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 15 TO 25. SOUTH  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH. CHANCE OF SNOW  
50 PERCENT.    
WEDNESDAY
 
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SNOW. HIGHS 30 TO 40. SOUTH WINDS 20 TO 30 MPH WITH GUSTS TO  
AROUND 45 MPH.    
WEDNESDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
15 TO 25. SOUTHWEST WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH  
AFTER MIDNIGHT. GUSTS UP TO 40 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO  
30. HIGHS 30 TO 40.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 35 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 20 TO 30.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. HIGHS 30 TO 40. LOWS 20 TO 25.  
 

 
TEMPERATURE / PRECIPITATION  
 
WEST YELLOWSTONE 15 30 17 32 / 90 50 60 50  
 

 
 
MTZ327-171100-  
NORTHWEST BEAVERHEAD COUNTY-  
INCLUDING DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,  
AND CHIEF JOSEPH PASS  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING, THEN CHANCE  
OF SNOW AFTER MIDNIGHT. SNOW ACCUMULATION OF 6 TO 9 INCHES. LOWS  
15 TO 20. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF SNOW  
70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SNOW IN THE  
MORNING. HIGHS 25 TO 35. WEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,  
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. NEAR STEADY  
TEMPERATURE IN THE MID 20S. SOUTHWEST WINDS 5 TO 15 MPH. CHANCE  
OF SNOW 50 PERCENT.    
WEDNESDAY
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SNOW. HIGHS 30 TO 40. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 40 MPH.    
WEDNESDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
15 TO 20. WEST WINDS 15 TO 25 MPH DECREASING TO 10 TO 15 MPH  
AFTER MIDNIGHT. GUSTS UP TO 40 MPH.    
THURSDAY THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 30 TO 40.  
LOWS 20 TO 25.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 35 TO 45.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SNOW. LOWS 20 TO 25. HIGHS 30 TO 35.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
LOWS AROUND 20.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 40.  
 

 
 
MTZ328-171100-  
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-  
INCLUDING BANNACK, DILLON, GLEN, AND WATERLOO  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING, THEN  
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS AROUND 20. SOUTH WINDS  
UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 35 TO 40.  
SOUTHWEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
WINDY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
AND SNOW IN THE AFTERNOON. HIGHS 40 TO 45. SOUTHWEST WINDS 20 TO  
30 MPH.    
WEDNESDAY NIGHT
 
BREEZY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
SNOW IN THE EVENING. LOWS 20 TO 25. SOUTHWEST WINDS 15 TO 25 MPH  
DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO  
30. HIGHS 40 TO 45.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 40 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 20 TO 25.    
MONDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW AND  
RAIN. HIGHS 40 TO 45.  
 

 
TEMPERATURE / PRECIPITATION  
 
DILLON 20 38 24 44 / 30 10 10 10  
 

 
 
MTZ329-171100-  
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-  
INCLUDING MONIDA PASS  
209 PM MST MON DEC 16 2024  
   
TONIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING, THEN  
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 15 TO 20. SOUTH WINDS  
5 TO 15 MPH. CHANCE OF SNOW 50 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN PARTLY CLOUDY IN THE AFTERNOON. HIGHS 25 TO 35.  
SOUTHWEST WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. NEAR STEADY TEMPERATURE IN THE  
LOWER 20S. SOUTH WINDS 10 TO 20 MPH.    
WEDNESDAY
 
WINDY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN  
THE AFTERNOON. HIGHS 30 TO 40. SOUTH WINDS 20 TO 30 MPH.    
WEDNESDAY NIGHT
 
BREEZY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
SNOW IN THE EVENING. LOWS 15 TO 20. SOUTHWEST WINDS 15 TO 25 MPH  
DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT.    
THURSDAY THROUGH FRIDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 30 TO 40.  
LOWS 20 TO 25.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SNOW. LOWS 20 TO 30. HIGHS 30 TO 40.    
MONDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 35.  
 

 
 
HTTP://WWW.WEATHER.GOV/GREATFALLS  
HTTPS://WWW.TWITTER.COM/NWSGREATFALLS  
HTTPS://WWW.FACEBOOK.COM/NWSGREATFALLS  
 
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