531  
FPUS55 KTFX 180946  
ZFPTFX  
 
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
245 AM MST WED DEC 18 2024  
 
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION  
ARE FOR TODAY, TONIGHT, AND THURSDAY.  
 
MTZ301-182300-  
EAST GLACIER PARK REGION-  
INCLUDING EAST GLACIER PARK, KIOWA, BABB, SAINT MARY,  
MARIAS PASS, AND LOGAN PASS  
245 AM MST WED DEC 18 2024  
 
...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
STRONG WINDS. NOT AS COLD. SNOW, CHANCE OF RAIN AND  
FREEZING RAIN IN THE MORNING, THEN SNOW AND RAIN IN THE  
AFTERNOON. BLOWING SNOW THROUGH THE DAY. SNOW MAY BE HEAVY AT  
TIMES. VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. SNOW  
ACCUMULATION OF 7 TO 13 INCHES. ICE ACCUMULATION OF LESS THAN ONE  
QUARTER OF AN INCH. NEAR STEADY TEMPERATURE IN THE MID 30S.  
SOUTHWEST WINDS 35 TO 50 MPH WITH GUSTS TO AROUND 80 MPH. CHANCE  
OF PRECIPITATION NEAR 100 PERCENT.    
TONIGHT
 
VERY WINDY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW  
IN THE EVENING. BLOWING SNOW IN THE EVENING. PATCHY BLOWING SNOW  
AFTER MIDNIGHT. VISIBILITY ONE QUARTER MILE OR LESS AT TIMES.  
LOWS 20 TO 25. WEST WINDS 30 TO 40 MPH WITH GUSTS TO AROUND  
70 MPH DECREASING TO 20 TO 30 MPH WITH GUSTS TO AROUND 50 MPH  
AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40. SOUTHWEST WINDS 10 TO  
20 MPH. GUSTS UP TO 35 MPH IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTHWEST WINDS  
10 TO 20 MPH. GUSTS UP TO 35 MPH AFTER MIDNIGHT.    
FRIDAY
 
BREEZY. PARTLY CLOUDY. HIGHS 35 TO 45. SOUTHWEST WINDS  
15 TO 25 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO 35.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 35 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT  
CHANCE OF RAIN. LOWS 25 TO 35. CHANCE OF PRECIPITATION  
50 PERCENT.    
SUNDAY AND SUNDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SNOW. HIGHS 30 TO 40. LOWS 25 TO 30.    
MONDAY
 
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS 30 TO 40.    
MONDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SNOW. LOWS 25 TO 30.    
TUESDAY
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW  
AND RAIN. HIGHS 30 TO 40.  
 

 
 
MTZ307-182300-  
SOUTHERN ROCKY MOUNTAIN FRONT-  
INCLUDING ROGERS PASS  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
VERY WINDY. SNOW, SLIGHT CHANCE OF RAIN AND LIGHT  
FREEZING RAIN IN THE MORNING, THEN SNOW IN THE AFTERNOON. PATCHY  
BLOWING SNOW IN THE MORNING. BLOWING SNOW IN THE AFTERNOON.  
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. SNOW ACCUMULATION  
OF 3 TO 6 INCHES. NEAR STEADY TEMPERATURE IN THE MID 30S.  
SOUTHWEST WINDS 25 TO 35 MPH SHIFTING TO THE WEST 30 TO 45 MPH IN  
THE AFTERNOON. GUSTS UP TO 75 MPH. CHANCE OF PRECIPITATION NEAR  
100 PERCENT.    
TONIGHT
 
VERY WINDY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. BLOWING  
SNOW IN THE EVENING. PATCHY BLOWING SNOW AFTER MIDNIGHT.  
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. LOWS 20 TO 25. WEST  
WINDS 30 TO 45 MPH WITH GUSTS TO AROUND 80 MPH DECREASING TO  
20 TO 30 MPH WITH GUSTS TO AROUND 60 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40. WEST WINDS 5 TO  
15 MPH. GUSTS UP TO 35 MPH IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTHWEST WINDS  
5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 35 TO 45. SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO  
30 MPH IN THE MORNING.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 35.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 35 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT  
CHANCE OF RAIN. LOWS 25 TO 35. CHANCE OF PRECIPITATION  
50 PERCENT.    
SUNDAY AND SUNDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SNOW. HIGHS 30 TO 40. LOWS 25 TO 30.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS 30 TO 40.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW AND  
RAIN. HIGHS 35 TO 45.  
 

 
 
MTZ302-182300-  
NORTHERN HIGH PLAINS-  
INCLUDING BROWNING, HEART BUTTE, AND DUPUYER  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
STRONG WINDS. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF  
RAIN, SLIGHT CHANCE OF LIGHT FREEZING RAIN AND SNOW IN THE  
MORNING, THEN CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS 40 TO 45. SOUTH WINDS 25 TO 35 MPH BECOMING WEST  
AND INCREASING TO 45 TO 60 MPH IN THE AFTERNOON. GUSTS UP TO  
75 MPH INCREASING TO 85 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.    
TONIGHT
 
STRONG WINDS. PARTLY CLOUDY. LOWS 20 TO 25. WEST WINDS  
35 TO 50 MPH WITH GUSTS TO AROUND 75 MPH DECREASING TO 20 TO  
30 MPH WITH GUSTS TO AROUND 50 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45. SOUTHWEST WINDS 5 TO  
15 MPH. GUSTS UP TO 30 MPH IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTHWEST WINDS  
5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN CLEARING. HIGHS 45 TO  
50. WEST WINDS 10 TO 20 MPH.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. LOWS 30 TO 35. HIGHS  
50 TO 55.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS 30 TO 35.    
SUNDAY
 
WINDY. MOSTLY CLOUDY. HIGHS 40 TO 45.    
SUNDAY NIGHT
 
WINDY. PARTLY CLOUDY. LOWS AROUND 30.    
MONDAY
 
WINDY. MOSTLY CLOUDY. HIGHS 40 TO 45.    
MONDAY NIGHT
 
BREEZY. PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS 45 TO 50.  
 

 
 
MTZ308-182300-  
SOUTHERN HIGH PLAINS-  
INCLUDING BYNUM, CHOTEAU, AND PENDROY  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
STRONG WINDS. NOT AS COOL. MOSTLY CLOUDY. SLIGHT CHANCE  
OF RAIN, LIGHT FREEZING RAIN AND SNOW IN THE MORNING, THEN CHANCE  
OF RAIN AND SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 45 TO  
50. SOUTH WINDS 20 TO 30 MPH BECOMING SOUTHWEST AND INCREASING TO  
40 TO 55 MPH IN THE AFTERNOON. GUSTS UP TO 65 MPH INCREASING TO  
75 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.    
TONIGHT
 
STRONG WINDS. PARTLY CLOUDY. LOWS 25 TO 30. WEST WINDS  
35 TO 50 MPH WITH GUSTS TO AROUND 80 MPH DECREASING TO 20 TO  
30 MPH WITH GUSTS TO AROUND 55 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50. SOUTHWEST WINDS 5 TO  
10 MPH. GUSTS UP TO 30 MPH IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 35. SOUTHWEST WINDS  
UP TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 50 TO 55. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO 35.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 50 TO 55.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS AROUND 35.    
SUNDAY
 
WINDY. MOSTLY CLOUDY. HIGHS 45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS AROUND 50.  
 

 
 
MTZ303-182300-  
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-  
INCLUDING CUT BANK, ETHRIDGE, AND SANTA RITA  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
STRONG WINDS. NOT AS COOL. CLOUDY WITH SLIGHT CHANCE OF  
LIGHT FREEZING RAIN AND SNOW IN THE MORNING, THEN PARTLY CLOUDY  
WITH SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 45 TO 50.  
SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 50 MPH  
INCREASING TO WEST 35 TO 50 MPH WITH GUSTS TO AROUND 75 MPH IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
VERY WINDY. MOSTLY CLEAR. LOWS 10 TO 20. WEST WINDS  
30 TO 45 MPH WITH GUSTS TO AROUND 65 MPH DECREASING TO 15 TO  
25 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40. WEST WINDS 5 TO 10 MPH  
SHIFTING TO THE SOUTH IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY IN THE MORNING THEN  
CLEARING. HIGHS 45 TO 50. WEST WINDS 5 TO 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
SATURDAY
 
PARTLY CLOUDY. HIGHS AROUND 50.    
SATURDAY NIGHT AND SUNDAY
 
WINDY. MOSTLY CLOUDY. LOWS AROUND  
30. HIGHS 40 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
BREEZY. MOSTLY CLOUDY. HIGHS 45 TO 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 25.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50.  
 

 
TEMPERATURE / PRECIPITATION  
 
CUT BANK 46 17 37 / 30 10 0  
 

 
 
MTZ304-182300-  
EASTERN TOOLE AND LIBERTY-  
INCLUDING DEVON, SHELBY, CHESTER, GALATA, JOPLIN, LOTHAIR,  
AND WHITLASH  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF SNOW IN THE  
MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 40 TO  
50. SOUTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH  
INCREASING TO WEST 25 TO 35 MPH WITH GUSTS TO AROUND 55 MPH IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.    
TONIGHT
 
WINDY. MOSTLY CLEAR. A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING. LOWS 5 TO 10. WEST WINDS 25 TO 35 MPH WITH GUSTS TO  
AROUND 55 MPH BECOMING NORTHWEST 10 TO 20 MPH WITH GUSTS TO  
AROUND 35 MPH AFTER MIDNIGHT.    
THURSDAY
 
COLDER, SUNNY. HIGHS 25 TO 35. WEST WINDS UP TO  
10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 15 TO 20. SOUTHEAST WINDS  
UP TO 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY IN THE MORNING THEN  
CLEARING. HIGHS 40 TO 45. SOUTHWEST WINDS UP TO 10 MPH SHIFTING  
TO THE WEST IN THE AFTERNOON.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 20 TO 25. HIGHS  
40 TO 50.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS  
40 TO 45.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND  
25. HIGHS 40 TO 50.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.  
 

 
 
MTZ305-182300-  
HILL COUNTY-  
INCLUDING HAVRE  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
5 AM MST THURSDAY...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. SNOW LIKELY AND  
SLIGHT CHANCE OF LIGHT FREEZING RAIN IN THE MORNING, THEN SLIGHT  
CHANCE OF RAIN, LIGHT FREEZING RAIN AND SNOW IN THE AFTERNOON.  
PATCHY BLOWING SNOW IN THE AFTERNOON. SNOW ACCUMULATION UP TO  
1 INCH. HIGHS 40 TO 45. EAST WINDS 5 TO 15 MPH INCREASING TO  
SOUTHWEST 20 TO 30 MPH WITH GUSTS TO AROUND 55 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.    
TONIGHT
 
VERY WINDY. MOSTLY CLOUDY WITH CHANCE OF RAIN, LIGHT  
FREEZING RAIN AND SLIGHT CHANCE OF SNOW IN THE EVENING, THEN  
MOSTLY CLEAR AFTER MIDNIGHT. LOWS ZERO TO 5 ABOVE. WEST WINDS  
25 TO 40 MPH BECOMING NORTHWEST 15 TO 25 MPH AFTER MIDNIGHT.  
GUSTS UP TO 55 MPH. CHANCE OF PRECIPITATION 50 PERCENT. WIND  
CHILL READINGS 5 BELOW TO 15 BELOW ZERO.    
THURSDAY
 
COLDER, SUNNY. HIGHS 15 TO 25. WEST WINDS UP TO  
10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON. WIND CHILL  
READINGS 5 BELOW TO 15 BELOW ZERO IN THE MORNING.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 5 TO 10. EAST WINDS UP TO 10 MPH.    
FRIDAY
 
NOT AS COLD. MOSTLY CLOUDY IN THE MORNING THEN  
CLEARING. HIGHS 30 TO 40. SOUTH WINDS UP TO 10 MPH SHIFTING TO  
THE WEST IN THE AFTERNOON.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS 10 TO 20.    
SATURDAY THROUGH SUNDAY
 
MOSTLY CLOUDY. HIGHS 35 TO 45. LOWS  
15 TO 25.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 20 TO  
25. HIGHS 40 TO 45.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.  
 

 
TEMPERATURE / PRECIPITATION  
 
HAVRE 41 4 21 / 80 50 0  
 

 
 
MTZ306-182300-  
NORTHERN BLAINE COUNTY-  
INCLUDING CHINOOK, ZURICH, HARLEM, HOGELAND, AND FORT BELKNAP  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
5 AM MST THURSDAY...  
   
TODAY
 
WINDY. NOT AS COLD. CLOUDY. CHANCE OF SNOW, LIGHT  
FREEZING RAIN AND SLIGHT CHANCE OF LIGHT SLEET IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN, LIGHT FREEZING RAIN AND SNOW IN THE  
AFTERNOON. PATCHY BLOWING SNOW IN THE AFTERNOON. HIGHS 35 TO 40.  
SOUTHEAST WINDS 10 TO 20 MPH INCREASING TO SOUTH 20 TO 30 MPH  
WITH GUSTS TO AROUND 50 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.    
TONIGHT
 
VERY WINDY. COLDER. MOSTLY CLOUDY WITH A 50 PERCENT  
CHANCE OF RAIN, SNOW AND LIGHT FREEZING RAIN IN THE EVENING, THEN  
MOSTLY CLEAR AFTER MIDNIGHT. PATCHY BLOWING SNOW THROUGH THE  
NIGHT. LOWS 5 BELOW TO ZERO. WEST WINDS 25 TO 40 MPH SHIFTING TO  
THE NORTHWEST 20 TO 30 MPH AFTER MIDNIGHT. GUSTS UP TO 55 MPH.  
WIND CHILL READINGS 10 BELOW TO 20 BELOW ZERO AFTER MIDNIGHT.    
THURSDAY
 
MUCH COLDER. SUNNY. HIGHS 10 TO 15. NORTHWEST WINDS  
5 TO 10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON. WIND  
CHILL READINGS 10 BELOW TO 20 BELOW ZERO IN THE MORNING.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS ZERO TO 5 ABOVE ZERO. SOUTHEAST WINDS 5 TO  
10 MPH.    
FRIDAY
 
NOT AS COLD. MOSTLY CLOUDY IN THE MORNING THEN  
CLEARING. HIGHS 25 TO 30. SOUTHEAST WINDS UP TO 10 MPH SHIFTING  
TO THE SOUTHWEST IN THE AFTERNOON.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS 10 TO 15.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLOUDY. HIGHS AROUND 30.  
LOWS 15 TO 20.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 35 TO 40.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND  
20. HIGHS 35 TO 40.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 35 TO 40.  
 

 
 
MTZ309-182300-  
EASTERN PONDERA AND EASTERN TETON-  
INCLUDING BRADY, CONRAD, AND LEDGER  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
VERY WINDY. NOT AS COOL. MOSTLY CLOUDY WITH SLIGHT  
CHANCE OF RAIN AND SNOW IN THE MORNING, THEN PARTLY CLOUDY WITH  
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS AROUND 50. SOUTH  
WINDS 15 TO 25 MPH INCREASING TO SOUTHWEST 30 TO 45 MPH IN THE  
AFTERNOON. GUSTS UP TO 65 MPH. CHANCE OF PRECIPITATION  
20 PERCENT.    
TONIGHT
 
VERY WINDY. MOSTLY CLEAR. LOWS 15 TO 20. WEST WINDS  
25 TO 40 MPH WITH GUSTS TO AROUND 55 MPH DECREASING TO 10 TO  
20 MPH WITH GUSTS TO AROUND 35 MPH AFTER MIDNIGHT.    
THURSDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.  
HIGHS 40 TO 45. SOUTH WINDS UP TO 10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS UP TO  
10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY IN THE MORNING THEN  
CLEARING. HIGHS 50 TO 55. SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
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 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 25.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.  
 

 
 
MTZ310-182300-  
WESTERN AND CENTRAL CHOUTEAU COUNTY-  
INCLUDING FLOWEREE, CARTER, AND FORT BENTON  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF LIGHT  
FREEZING RAIN AND SNOW IN THE MORNING, THEN SLIGHT CHANCE OF RAIN  
IN THE AFTERNOON. HIGHS AROUND 50. SOUTHEAST WINDS 10 TO 15 MPH  
WITH GUSTS TO AROUND 40 MPH INCREASING TO SOUTHWEST 25 TO 35 MPH  
WITH GUSTS TO AROUND 60 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.    
TONIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND  
SNOW IN THE EVENING. LOWS 10 TO 20. WEST WINDS 25 TO 35 MPH WITH  
GUSTS TO AROUND 55 MPH DECREASING TO 10 TO 20 MPH WITH GUSTS TO  
AROUND 35 MPH AFTER MIDNIGHT.    
THURSDAY
 
COLDER, SUNNY. HIGHS 30 TO 40. WEST WINDS UP TO  
10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 15 TO 25. SOUTHEAST WINDS  
UP TO 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY IN THE MORNING THEN  
CLEARING. HIGHS 45 TO 50. SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS  
45 TO 55.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS 25 TO 35.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50.  
 

 
 
MTZ311-182300-  
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-  
INCLUDING ROCKY BOY  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
5 AM MST THURSDAY...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF SNOW AND  
SLIGHT CHANCE OF LIGHT FREEZING RAIN IN THE MORNING, THEN SLIGHT  
CHANCE OF LIGHT FREEZING RAIN IN THE AFTERNOON. HIGHS 40 TO 45.  
SOUTHEAST WINDS 10 TO 15 MPH INCREASING TO SOUTHWEST 20 TO 30 MPH  
WITH GUSTS TO AROUND 50 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 50 PERCENT.    
TONIGHT
 
VERY WINDY. COLDER. MOSTLY CLOUDY WITH A 50 PERCENT  
CHANCE OF RAIN AND SNOW IN THE EVENING, THEN MOSTLY CLEAR AFTER  
MIDNIGHT. LOWS 5 TO 15. WEST WINDS 30 TO 40 MPH BECOMING  
NORTHWEST 20 TO 30 MPH AFTER MIDNIGHT. GUSTS UP TO 55 MPH.    
THURSDAY
 
COLDER, SUNNY. HIGHS 25 TO 30. NORTHWEST WINDS 5 TO  
10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 10 TO 20. SOUTHEAST WINDS UP TO 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY IN THE MORNING THEN  
CLEARING. HIGHS 40 TO 45. SOUTH WINDS UP TO 10 MPH SHIFTING TO  
THE WEST IN THE AFTERNOON.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 20 TO 30. HIGHS  
40 TO 45.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 25 TO 35. HIGHS  
40 TO 45.    
SUNDAY NIGHT AND MONDAY
 
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS  
40 TO 45.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.  
 

 
 
MTZ312-182300-  
CASCADE COUNTY BELOW 5000FT-  
INCLUDING GREAT FALLS  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
STRONG WINDS. NOT AS COOL. MOSTLY CLOUDY WITH SLIGHT  
CHANCE OF RAIN AND SNOW IN THE MORNING, THEN PARTLY CLOUDY WITH  
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 50 TO 55. SOUTH  
WINDS 25 TO 35 MPH INCREASING TO SOUTHWEST 35 TO 50 MPH IN THE  
AFTERNOON. GUSTS UP TO 60 MPH INCREASING TO 70 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
VERY WINDY. PARTLY CLOUDY. LOWS 20 TO 25. WEST WINDS  
30 TO 45 MPH BECOMING SOUTHWEST 15 TO 25 MPH AFTER MIDNIGHT.  
GUSTS UP TO 60 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS IN THE MID 40S. SOUTHWEST WINDS  
5 TO 10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 35. SOUTH WINDS 5 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 50 TO 55. SOUTHWEST WINDS 10 TO 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO 35.    
SATURDAY
 
PARTLY CLOUDY. HIGHS AROUND 55.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS AROUND 35.    
SUNDAY AND SUNDAY NIGHT
 
WINDY. PARTLY CLOUDY. HIGHS 45 TO 50.  
LOWS 30 TO 35.    
MONDAY
 
BREEZY. MOSTLY CLOUDY. HIGHS AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 30 TO 35.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.  
 

 
TEMPERATURE / PRECIPITATION  
 
GREAT FALLS ARPT 52 22 45 / 10 10 0  
 

 
 
MTZ313-182300-  
JUDITH BASIN COUNTY AND JUDITH GAP-  
INCLUDING RAYNESFORD, GEYSER, STANFORD, WINDHAM, BENCHLAND,  
HOBSON, AND MOCCASIN  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
VERY WINDY. NOT AS COOL. CLOUDY WITH CHANCE OF RAIN,  
LIGHT FREEZING RAIN AND SNOW IN THE MORNING, THEN PARTLY CLOUDY  
WITH SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 45 TO 50.  
SOUTHWEST WINDS 15 TO 25 MPH INCREASING TO 30 TO 45 MPH IN THE  
AFTERNOON. GUSTS UP TO 65 MPH. CHANCE OF PRECIPITATION  
30 PERCENT.    
TONIGHT
 
STRONG WINDS. MOSTLY CLEAR. A 20 PERCENT CHANCE OF  
SNOW IN THE EVENING. LOWS 20 TO 25. WEST WINDS 35 TO 50 MPH  
DECREASING TO 20 TO 30 MPH AFTER MIDNIGHT. GUSTS UP TO 65 MPH.    
THURSDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
HIGHS 40 TO 45. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH SHIFTING TO THE SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTH WINDS 5 TO 15 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. HIGHS 50 TO 55. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS  
AROUND 55.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS 30 TO 35.    
SUNDAY
 
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW. HIGHS 45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.  
 

 
 
MTZ314-182300-  
FERGUS COUNTY BELOW 4500FT-  
INCLUDING HILGER AND LEWISTOWN  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
5 AM MST THURSDAY...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. A 50 PERCENT CHANCE  
OF LIGHT FREEZING RAIN AND SNOW IN THE MORNING. HIGHS 45 TO 50.  
SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO  
SOUTHWEST 20 TO 30 MPH WITH GUSTS TO AROUND 55 MPH IN THE  
AFTERNOON.    
TONIGHT
 
VERY WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
AND SNOW IN THE EVENING. LOWS 15 TO 20. WEST WINDS 30 TO 45 MPH  
DECREASING TO 20 TO 30 MPH AFTER MIDNIGHT. GUSTS UP TO 60 MPH.    
THURSDAY
 
SUNNY. HIGHS 30 TO 40. WEST WINDS 5 TO 15 MPH WITH  
GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTHEAST UP TO 5 MPH IN  
THE AFTERNOON.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. HIGHS 45 TO 50. SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS  
45 TO 55.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO 35.    
SUNDAY
 
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
HIGHS 45 TO 50.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 50.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 30.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50.  
 

 
TEMPERATURE / PRECIPITATION  
 
LEWISTOWN 48 20 41 / 40 20 0  
 

 
 
MTZ315-182300-  
UPPER BLACKFOOT AND MACDONALD PASS-  
INCLUDING MARYSVILLE, LINCOLN, FLESHER PASS, AND MACDONALD PASS  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF SNOW AND  
SLIGHT CHANCE OF RAIN IN THE MORNING, THEN SNOW LIKELY AND CHANCE  
OF RAIN IN THE AFTERNOON. PATCHY BLOWING SNOW. VISIBILITY ONE  
QUARTER MILE OR LESS AT TIMES IN THE AFTERNOON. SNOW ACCUMULATION  
UP TO 1 INCH. SNOW LEVEL 5500 FEET. HIGHS 35 TO 45. SOUTHWEST  
WINDS 25 TO 35 MPH WITH GUSTS TO AROUND 60 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
TONIGHT
 
VERY WINDY. PARTLY CLOUDY. PATCHY BLOWING SNOW.  
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. LOWS 20 TO 25. WEST  
WINDS 30 TO 40 MPH DECREASING TO 20 TO 30 MPH AFTER MIDNIGHT.  
GUSTS UP TO 60 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40. SOUTHWEST WINDS 5 TO  
15 MPH. GUSTS UP TO 30 MPH IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTHWEST WINDS  
UP TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45. SOUTHWEST WINDS UP TO  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
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
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 40.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 40.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW AND  
RAIN. HIGHS 35 TO 45.  
 

 
 
MTZ316-182300-  
GATES OF THE MOUNTAINS-  
INCLUDING CANYON CREEK, WOLF CREEK, AND CRAIG  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
VERY WINDY. NOT AS COOL. MOSTLY CLOUDY. PATCHY BLOWING  
SNOW IN THE MORNING. SLIGHT CHANCE OF RAIN, LIGHT FREEZING RAIN  
AND SNOW IN THE MORNING, THEN CHANCE OF RAIN AND SNOW IN THE  
AFTERNOON. HIGHS 45 TO 50. SOUTH WINDS 20 TO 30 MPH INCREASING TO  
SOUTHWEST 30 TO 40 MPH IN THE AFTERNOON. GUSTS UP TO 60 MPH.  
CHANCE OF PRECIPITATION 50 PERCENT.    
TONIGHT
 
VERY WINDY. PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 25 TO 30. WEST WINDS 30 TO 45 MPH BECOMING  
SOUTHWEST 20 TO 30 MPH AFTER MIDNIGHT. GUSTS UP TO 60 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45. SOUTHWEST WINDS 5 TO  
15 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 35. SOUTH WINDS 5 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 45 TO 50. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 30 TO 35.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS 30 TO 35.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 30 TO 35.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 35.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS 40 TO 50.  
 

 
 
MTZ317-182300-  
LITTLE BELT AND HIGHWOOD MOUNTAINS-  
INCLUDING MONARCH, NEIHART, AND KINGS HILL PASS  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
MIDNIGHT MST TONIGHT...  
   
TODAY
 
VERY WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF SNOW  
AND LIGHT FREEZING RAIN IN THE MORNING, THEN SLIGHT CHANCE OF  
RAIN AND SNOW IN THE AFTERNOON. PATCHY BLOWING SNOW IN THE  
MORNING. PATCHY BLOWING SNOW IN THE AFTERNOON. VISIBILITY ONE  
QUARTER MILE OR LESS AT TIMES IN THE AFTERNOON. HIGHS 35 TO 45.  
SOUTHWEST WINDS 20 TO 30 MPH INCREASING TO 25 TO 40 MPH IN THE  
AFTERNOON. GUSTS UP TO 65 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
TONIGHT
 
VERY WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW  
IN THE EVENING. PATCHY BLOWING SNOW THROUGH THE NIGHT. VISIBILITY  
ONE QUARTER MILE OR LESS AT TIMES. LOWS 20 TO 25. WEST WINDS  
30 TO 45 MPH DECREASING TO 20 TO 30 MPH AFTER MIDNIGHT. GUSTS UP  
TO 65 MPH.    
THURSDAY
 
SUNNY IN THE MORNING THEN BECOMING PARTLY CLOUDY.  
HIGHS 35 TO 40. SOUTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO 35 MPH  
IN THE MORNING.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTHWEST WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 40 TO 45. SOUTHWEST WINDS 10 TO 15 MPH.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 30 TO 35. HIGHS  
40 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS 30 TO 35.    
SUNDAY
 
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
HIGHS 35 TO 40.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 35 TO 45.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.  
 

 
 
MTZ318-182300-  
SNOWY AND JUDITH MOUNTAINS-  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
5 AM MST THURSDAY...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. CHANCE OF SNOW,  
SLIGHT CHANCE OF RAIN AND LIGHT FREEZING RAIN IN THE MORNING.  
HIGHS 40 TO 45. SOUTHWEST WINDS 15 TO 25 MPH INCREASING TO WEST  
25 TO 35 MPH IN THE AFTERNOON. GUSTS UP TO 55 MPH. CHANCE OF  
PRECIPITATION 50 PERCENT.    
TONIGHT
 
VERY WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW  
IN THE EVENING. BLOWING SNOW IN THE EVENING. PATCHY BLOWING SNOW  
AFTER MIDNIGHT. VISIBILITY ONE QUARTER MILE OR LESS AT TIMES.  
LOWS 20 TO 25. WEST WINDS 30 TO 45 MPH DECREASING TO 25 TO 35 MPH  
AFTER MIDNIGHT. GUSTS UP TO 60 MPH.    
THURSDAY
 
SUNNY. HIGHS 35 TO 40. WEST WINDS 5 TO 15 MPH. GUSTS  
UP TO 35 MPH IN THE MORNING.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS UP TO  
10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. HIGHS 45 TO 50. WEST WINDS 5 TO 15 MPH.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS AROUND 30. HIGHS  
45 TO 55.    
SATURDAY NIGHT AND SUNDAY
 
BREEZY. MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF RAIN AND SNOW. LOWS 30 TO 35. HIGHS 40 TO  
45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 50.  
 

 
 
MTZ319-182300-  
HELENA VALLEY-  
INCLUDING HELENA  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
MIDNIGHT MST TONIGHT...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. PATCHY BLOWING SNOW  
IN THE MORNING. 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 INCREASING TO WEST 25 TO 35 MPH WITH GUSTS TO  
AROUND 55 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
40 PERCENT.    
TONIGHT
 
VERY WINDY. PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 20S. WEST WINDS 25 TO 40 MPH WITH  
GUSTS TO AROUND 55 MPH BECOMING SOUTHWEST 15 TO 25 MPH AFTER  
MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45. SOUTHEAST WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS AROUND 45. SOUTH WINDS UP TO  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN.  
LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS AROUND 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS AROUND 45.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 25.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS AROUND 45.  
 

 
TEMPERATURE / PRECIPITATION  
 
HELENA 51 27 43 / 40 0 0  
 

 
 
MTZ320-182300-  
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-  
INCLUDING TRIDENT, MAUDLOW, BATTLE RIDGE PASS, BOZEMAN PASS,  
AND DEEP CREEK PASS  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
MIDNIGHT MST TONIGHT...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW  
IN THE MORNING, THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON.  
PATCHY BLOWING SNOW THROUGH THE DAY. VISIBILITY ONE QUARTER MILE  
OR LESS AT TIMES. HIGHS 35 TO 45. SOUTHWEST WINDS 25 TO 35 MPH  
WITH GUSTS TO AROUND 60 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
TONIGHT
 
VERY WINDY. PARTLY CLOUDY. PATCHY BLOWING SNOW.  
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. LOWS 20 TO 25. WEST  
WINDS 25 TO 40 MPH DECREASING TO 20 TO 30 MPH AFTER MIDNIGHT.  
GUSTS UP TO 60 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40. SOUTHWEST WINDS 5 TO  
15 MPH. GUSTS UP TO 30 MPH IN THE MORNING.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTH WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 35 TO 45. SOUTHWEST WINDS 5 TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS  
40 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW  
AND RAIN. LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 40.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 30 TO 40.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 45.  
 

 
 
MTZ321-182300-  
MEAGHER COUNTY VALLEYS-  
INCLUDING MARTINSDALE, CHECKERBOARD, RINGLING,  
AND WHITE SULPHUR SPRINGS  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
MIDNIGHT MST TONIGHT...  
   
TODAY
 
VERY WINDY. MOSTLY CLOUDY. PATCHY BLOWING SNOW IN THE  
MORNING. SLIGHT CHANCE OF SNOW IN THE MORNING, THEN SLIGHT CHANCE  
OF RAIN AND SNOW IN THE AFTERNOON. HIGHS 40 TO 45. SOUTHWEST  
WINDS 20 TO 30 MPH INCREASING TO 25 TO 40 MPH IN THE AFTERNOON.  
GUSTS UP TO 60 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
VERY WINDY. PARTLY CLOUDY. LOWS 20 TO 25. WEST WINDS  
30 TO 40 MPH DECREASING TO 20 TO 30 MPH AFTER MIDNIGHT. GUSTS UP  
TO 60 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40. SOUTHWEST WINDS UP TO  
10 MPH. GUSTS UP TO 30 MPH IN THE MORNING.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 45. SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS  
45 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
AROUND 40.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 20 TO 25.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 20 TO 25.    
TUESDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.  
 

 
 
MTZ322-182300-  
ELKHORN AND BOULDER MOUNTAINS-  
INCLUDING MONTANA CITY, CLANCY, BOULDER, CORBIN, WICKES,  
ELK PARK PASS, AND HOMESTAKE PASS  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
MIDNIGHT MST TONIGHT...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW  
IN THE MORNING, THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON.  
PATCHY BLOWING SNOW THROUGH THE DAY. HIGHS 35 TO 45. SOUTHWEST  
WINDS 15 TO 25 MPH INCREASING TO WEST 25 TO 35 MPH IN THE  
AFTERNOON. GUSTS UP TO 55 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
TONIGHT
 
WINDY. PARTLY CLOUDY. PATCHY BLOWING SNOW IN THE  
EVENING. LOWS 20 TO 25. WEST WINDS 25 TO 35 MPH DECREASING TO  
15 TO 25 MPH AFTER MIDNIGHT. GUSTS UP TO 50 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40. SOUTHWEST WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTHWEST WINDS  
UP TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45. SOUTHWEST WINDS UP TO  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY. 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.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 25.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 45.  
 

 
 
MTZ323-182300-  
CANYON FERRY AREA-  
INCLUDING TOSTON, TOWNSEND, AND WINSTON  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
MIDNIGHT MST TONIGHT...  
   
TODAY
 
WINDY. NOT AS COOL. MOSTLY CLOUDY. A 20 PERCENT CHANCE  
OF RAIN IN THE AFTERNOON. HIGHS 45 TO 50. SOUTHWEST WINDS 20 TO  
30 MPH WITH GUSTS TO AROUND 50 MPH.    
TONIGHT
 
WINDY. PARTLY CLOUDY. LOWS 20 TO 25. WEST WINDS 25 TO  
35 MPH BECOMING SOUTHWEST 10 TO 20 MPH AFTER MIDNIGHT. GUSTS UP  
TO 50 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS AROUND 40. SOUTH WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS AROUND 45. SOUTH WINDS UP TO  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
SATURDAY
 
PARTLY CLOUDY. HIGHS AROUND 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SLIGHT  
CHANCE OF SNOW. LOWS AROUND 30. CHANCE OF PRECIPITATION  
50 PERCENT.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS AROUND 45.  
 

 
 
MTZ324-182300-  
MISSOURI HEADWATERS-  
INCLUDING HARRISON, THREE FORKS, WILLOW CREEK, PONY,  
AND WHITEHALL  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
MIDNIGHT MST TONIGHT...  
   
TODAY
 
VERY WINDY. MOSTLY CLOUDY IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. HIGHS 45 TO 50. SOUTHWEST WINDS 15 TO 25 MPH  
INCREASING TO 25 TO 40 MPH IN THE AFTERNOON. GUSTS UP TO 55 MPH.    
TONIGHT
 
WINDY. PARTLY CLOUDY. LOWS 20 TO 25. WEST WINDS 25 TO  
35 MPH BECOMING SOUTHWEST 15 TO 25 MPH AFTER MIDNIGHT. GUSTS UP  
TO 55 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45. SOUTHWEST WINDS 5 TO  
15 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS AROUND 25. SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50. SOUTHWEST WINDS UP TO  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS AROUND 30.    
SUNDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
SUNDAY NIGHT AND MONDAY
 
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS  
40 TO 45.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS AROUND 45.  
 

 
 
MTZ325-182300-  
MADISON RIVER VALLEY-  
INCLUDING CAMERON, ENNIS, JEFFERS, MCALLISTER, AND NORRIS  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST  
TONIGHT...  
   
TODAY
 
STRONG WINDS. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
AND SNOW IN THE AFTERNOON. HIGHS 40 TO 45. SOUTH WINDS 35 TO  
50 MPH WITH GUSTS TO AROUND 65 MPH.    
TONIGHT
 
VERY WINDY. COLDER. PARTLY CLOUDY. LOWS 20 TO 25.  
SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS TO AROUND 60 MPH BECOMING  
SOUTH 15 TO 25 MPH AFTER MIDNIGHT.    
THURSDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS 40 TO 45. SOUTH WINDS 5 TO 15 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 25 TO 30. SOUTH WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50. SOUTH WINDS 10 TO  
15 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF RAIN AND SNOW. LOWS AROUND 30.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW. HIGHS 40 TO 45. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT CHANCE OF  
RAIN. HIGHS 40 TO 45. CHANCE OF PRECIPITATION 50 PERCENT.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 25 TO 30.    
TUESDAY
 
BREEZY. MOSTLY CLOUDY WITH CHANCE OF RAIN AND SLIGHT  
CHANCE OF SNOW. HIGHS AROUND 45. CHANCE OF PRECIPITATION  
40 PERCENT.  
 

 
 
MTZ326-182300-  
GALLATIN VALLEY-  
INCLUDING BOZEMAN AND GALLATIN GATEWAY  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
MIDNIGHT MST TONIGHT...  
   
TODAY
 
WINDY. MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 40S. SOUTH WINDS 10 TO 15 MPH WITH  
GUSTS TO AROUND 30 MPH INCREASING TO SOUTHWEST 20 TO 30 MPH WITH  
GUSTS TO AROUND 55 MPH IN THE AFTERNOON.    
TONIGHT
 
WINDY. PARTLY CLOUDY. LOWS 20 TO 25. WEST WINDS 25 TO  
35 MPH WITH GUSTS TO AROUND 55 MPH BECOMING SOUTHWEST 15 TO  
25 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS AROUND 40. SOUTH WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS UP TO 10 MPH.    
FRIDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. HIGHS AROUND 45. SOUTH WINDS UP TO 10 MPH.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS  
45 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS AROUND 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.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS AROUND 45.  
 

 
TEMPERATURE / PRECIPITATION  
 
BOZEMAN AIRPORT 48 20 42 / 20 10 0  
BOZEMAN MSU 45 23 42 / 30 10 0  
 

 
 
MTZ330-182300-  
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-  
INCLUDING BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,  
AND RAYNOLDS PASS  
245 AM MST WED DEC 18 2024  
 
...HIGH WIND WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO  
MIDNIGHT MST TONIGHT...  
   
TODAY
 
WINDY. NOT AS COLD. MOSTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF SNOW. PATCHY BLOWING SNOW IN THE MORNING. PATCHY  
BLOWING SNOW IN THE AFTERNOON. VISIBILITY ONE QUARTER MILE OR  
LESS AT TIMES IN THE AFTERNOON. HIGHS 30 TO 40. SOUTHWEST WINDS  
20 TO 30 MPH WITH GUSTS TO AROUND 50 MPH.    
TONIGHT
 
WINDY. PARTLY CLOUDY. PATCHY BLOWING SNOW IN THE  
EVENING. LOWS 15 TO 20. SOUTHWEST WINDS 20 TO 30 MPH DECREASING  
TO 10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO 45 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40. SOUTHWEST WINDS 5 TO  
10 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 15 TO 25. SOUTH WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS 30 TO 40. SOUTH WINDS 5 TO 15 MPH.   
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS 20 TO 30. HIGHS  
35 TO 45.    
SATURDAY NIGHT AND SUNDAY
 
COLDER. MOSTLY CLOUDY WITH A  
50 PERCENT CHANCE OF SNOW. LOWS 20 TO 30. HIGHS 25 TO 35.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 20 TO 25.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
25 TO 35.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 20 TO 25.    
TUESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 40.  
 

 
TEMPERATURE / PRECIPITATION  
 
WEST YELLOWSTONE 32 9 33 / 40 20 0  
 

 
 
MTZ327-182300-  
NORTHWEST BEAVERHEAD COUNTY-  
INCLUDING DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,  
AND CHIEF JOSEPH PASS  
245 AM MST WED DEC 18 2024  
   
TODAY
 
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
PATCHY BLOWING SNOW IN THE MORNING. PATCHY BLOWING SNOW IN THE  
AFTERNOON. VISIBILITY ONE QUARTER MILE OR LESS AT TIMES IN THE  
AFTERNOON. HIGHS 30 TO 40. SOUTHWEST WINDS 20 TO 30 MPH WITH  
GUSTS TO AROUND 45 MPH.    
TONIGHT
 
WINDY, COLDER. MOSTLY CLEAR. PATCHY BLOWING SNOW IN  
THE EVENING. LOWS 10 TO 20. WEST WINDS 20 TO 30 MPH DECREASING TO  
10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO 45 MPH.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 35. SOUTHWEST WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTHWEST WINDS  
UP TO 10 MPH.    
FRIDAY
 
NOT AS COOL. MOSTLY CLOUDY. HIGHS 35 TO 45. SOUTHWEST  
WINDS UP TO 10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO 25.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 35 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
LOWS 20 TO 25.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW. HIGHS 30 TO 35. LOWS 20 TO 25.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 35.    
MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 20 TO 25.    
TUESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 40.  
 

 
 
MTZ328-182300-  
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-  
INCLUDING BANNACK, DILLON, GLEN, AND WATERLOO  
245 AM MST WED DEC 18 2024  
   
TODAY
 
WINDY. PATCHY BLOWING SNOW IN THE MORNING. MOSTLY CLOUDY  
IN THE MORNING, THEN PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
RAIN AND SNOW IN THE AFTERNOON. HIGHS 40 TO 45. SOUTH WINDS 15 TO  
25 MPH INCREASING TO SOUTHWEST 25 TO 35 MPH IN THE AFTERNOON.    
TONIGHT
 
WINDY, COLDER. MOSTLY CLEAR. LOWS 15 TO 20. SOUTHWEST  
WINDS 20 TO 30 MPH DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40. SOUTH WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS 5 TO  
10 MPH.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 45. SOUTH WINDS UP TO  
10 MPH.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO 25.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW  
AND RAIN. LOWS 25 TO 30.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. HIGHS 35 TO 45. LOWS  
20 TO 25.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW. HIGHS 35 TO 45. LOWS 20 TO 25.    
TUESDAY
 
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SLIGHT CHANCE OF  
SNOW. HIGHS 40 TO 45. CHANCE OF PRECIPITATION 40 PERCENT.  
 

 
TEMPERATURE / PRECIPITATION  
 
DILLON 45 19 40 / 10 0 0  
 

 
 
MTZ329-182300-  
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-  
INCLUDING MONIDA PASS  
245 AM MST WED DEC 18 2024  
   
TODAY
 
WINDY. MOSTLY CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. PATCHY BLOWING SNOW. HIGHS 30 TO 40. SOUTH WINDS 20 TO  
30 MPH WITH GUSTS TO AROUND 45 MPH.    
TONIGHT
 
BREEZY. PARTLY CLOUDY. PATCHY BLOWING SNOW IN THE  
EVENING. LOWS 15 TO 20. WEST WINDS 15 TO 25 MPH SHIFTING TO THE  
SOUTHWEST 10 TO 15 MPH AFTER MIDNIGHT.    
THURSDAY
 
PARTLY CLOUDY. HIGHS 30 TO 40. SOUTH WINDS 5 TO  
10 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 20 TO 25. SOUTH WINDS 5 TO 15 MPH.    
FRIDAY
 
MOSTLY CLOUDY. HIGHS 35 TO 40. SOUTH WINDS 5 TO 15 MPH.   
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS 20 TO 25.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 35 TO 40.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
LOWS 20 TO 25.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 30 TO 35.    
SUNDAY NIGHT THROUGH MONDAY NIGHT
 
MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SNOW. LOWS 20 TO 25. HIGHS 30 TO 35.    
TUESDAY
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SNOW. HIGHS 30 TO 40.  
 

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