136  
FPUS55 KTFX 180319  
ZFPTFX  
 
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
818 PM MST MON FEB 17 2020  
 
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION  
ARE FOR THE REST OF TONIGHT, TUESDAY, TUESDAY NIGHT, AND  
WEDNESDAY.  
 
MTZ009-181100-  
NORTHERN ROCKY MOUNTAIN FRONT-  
INCLUDING LOGAN PASS, MARIAS PASS, BROWNING, AND HEART BUTTE  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW LATE IN  
THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. PATCHY FOG THROUGH  
THE NIGHT. NEW SNOW ACCUMULATION UP TO 1 INCH. LOWS 5 TO 10. WEST  
WINDS 5 TO 10 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT. CHANCE OF  
SNOW 70 PERCENT.    
TUESDAY
 
COLDER. CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. PATCHY FOG IN THE MORNING. A 50 PERCENT CHANCE OF SNOW.  
HIGHS 15 TO 20. EAST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 5 TO 10. SOUTHWEST WINDS 5 TO  
15 MPH. WIND CHILL READINGS 5 BELOW TO 15 BELOW ZERO.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS 25 TO 35. SOUTHWEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTHWEST WINDS  
10 TO 20 MPH.    
THURSDAY
 
BREEZY, SUNNY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH FRIDAY NIGHT
 
WINDY. PARTLY CLOUDY. LOWS  
15 TO 25. HIGHS 30 TO 40.    
SATURDAY
 
WINDY. MOSTLY CLOUDY. HIGHS 30 TO 40.    
SATURDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW. LOWS 25 TO 30.    
SUNDAY AND SUNDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A  
50 PERCENT CHANCE OF SNOW. HIGHS 35 TO 45. LOWS 20 TO 25.    
MONDAY
 
BREEZY. CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
25 TO 35.  
 

 
 
MTZ048-181100-  
SOUTHERN ROCKY MOUNTAIN FRONT-  
INCLUDING BYNUM, CHOTEAU, AND AUGUSTA  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. PATCHY FOG. LOWS 5 TO 10. WEST WINDS UP TO 10 MPH.    
TUESDAY
 
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A  
50 PERCENT CHANCE OF SNOW. HIGHS 15 TO 25. NORTH WINDS UP TO  
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 5 TO 10. SOUTHEAST WINDS UP  
TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS 30 TO 40. SOUTHWEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTHWEST WINDS  
5 TO 15 MPH.    
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLEAR. HIGHS 35 TO 45. LOWS  
15 TO 25.    
FRIDAY AND FRIDAY NIGHT
 
BREEZY. PARTLY CLOUDY. HIGHS 35 TO 45.  
LOWS 20 TO 30.    
SATURDAY
 
BREEZY. PARTLY CLOUDY. HIGHS 40 TO 50.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 25 TO 30.    
SUNDAY AND SUNDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A  
50 PERCENT CHANCE OF SNOW. HIGHS 40 TO 50. LOWS 20 TO 30.    
MONDAY
 
BREEZY. CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 40.  
 

 
 
MTZ010-181100-  
EASTERN GLACIER-  
INCLUDING CUT BANK  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. CHANCE OF SNOW LATE IN THE EVENING,  
THEN SNOW LIKELY AFTER MIDNIGHT. PATCHY FOG THROUGH THE NIGHT.  
NEW SNOW ACCUMULATION UP TO 1 INCH. LOWS ZERO TO 5 ABOVE.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
COLDER. PATCHY FOG IN THE MORNING. CLOUDY WITH CHANCE  
OF SNOW IN THE MORNING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SNOW IN THE AFTERNOON. HIGHS 15 TO 20. EAST WINDS UP TO 5 MPH  
SHIFTING TO THE SOUTH IN THE AFTERNOON. CHANCE OF SNOW  
50 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 5 ABOVE. SOUTHWEST  
WINDS UP TO 10 MPH.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS 30 TO 35. SOUTHWEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTHWEST WINDS  
5 TO 15 MPH.    
THURSDAY THROUGH FRIDAY
 
BREEZY. MOSTLY CLEAR. HIGHS AROUND 40.  
LOWS 15 TO 20.    
FRIDAY NIGHT AND SATURDAY
 
BREEZY. PARTLY CLOUDY. LOWS 20 TO  
25. HIGHS 40 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW. HIGHS 40 TO 45. LOWS AROUND 25.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS 30 TO 35.  
 

 
TEMPERATURE / PRECIPITATION  
 
CUT BANK 3 18 3 34 / 70 60 0 0  
 

 
 
MTZ046-181100-  
EASTERN PONDERA-  
INCLUDING BRADY AND CONRAD  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER, CLOUDY. CHANCE OF SNOW LATE IN THE  
EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. PATCHY FOG THROUGH THE  
NIGHT. NEW SNOW ACCUMULATION UP TO 1 INCH. LOWS AROUND 5. NORTH  
WINDS 5 TO 10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
COLDER. PATCHY FOG IN THE MORNING. CLOUDY WITH SNOW  
LIKELY IN THE MORNING, THEN PARTLY CLOUDY WITH CHANCE OF SNOW IN  
THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS AROUND 20.  
NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE  
AFTERNOON. CHANCE OF SNOW 60 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 5. SOUTHEAST WINDS UP  
TO 5 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS AROUND 35. SOUTHWEST WINDS  
UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTHWEST WINDS  
5 TO 10 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR. HIGHS AROUND 45. LOWS  
AROUND 20.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 25.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 45 TO 50.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS  
45 TO 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS AROUND 25.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS 35 TO 40.  
 

 
 
MTZ049-181100-  
EASTERN TETON-  
INCLUDING FAIRFIELD AND DUTTON  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW LATE IN  
THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. PATCHY FOG THROUGH  
THE NIGHT. LITTLE OR NO NEW SNOW ACCUMULATION. LOWS 5 TO 10.  
NORTHEAST WINDS 5 TO 10 MPH. CHANCE OF SNOW 60 PERCENT.    
TUESDAY
 
COLDER. CLOUDY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY. PATCHY FOG IN THE MORNING. A 50 PERCENT CHANCE OF SNOW.  
HIGHS AROUND 20. EAST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS 5 TO 10. SOUTHEAST WINDS UP  
TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS AROUND 35. SOUTHWEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 15. SOUTH WINDS 5 TO  
15 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR. HIGHS 45 TO 50. LOWS  
AROUND 20.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 25.    
SATURDAY
 
PARTLY CLOUDY. HIGHS AROUND 50.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS AROUND 30. HIGHS  
AROUND 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 25 TO 30.    
MONDAY
 
COLDER. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS AROUND 40.  
 

 
 
MTZ044-181100-  
TOOLE-  
INCLUDING SHELBY AND SUNBURST  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. CHANCE OF SNOW LATE IN THE EVENING,  
THEN SNOW LIKELY AFTER MIDNIGHT. PATCHY FOG THROUGH THE NIGHT.  
NEW SNOW ACCUMULATION UP TO 1 INCH. LOWS ZERO TO 5 ABOVE. NORTH  
WINDS 5 TO 15 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
COLDER. PATCHY FOG IN THE MORNING. CLOUDY WITH SNOW  
LIKELY IN THE MORNING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF  
SNOW IN THE AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS  
15 TO 20. NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH IN  
THE AFTERNOON. CHANCE OF SNOW 70 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 5 ABOVE. SOUTH WINDS  
UP TO 10 MPH.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS 30 TO 35. SOUTH WINDS UP  
TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTH WINDS UP TO  
10 MPH.    
THURSDAY THROUGH FRIDAY NIGHT
 
MOSTLY CLEAR. HIGHS 40 TO 45.  
LOWS 15 TO 25.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS  
AROUND 45.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS AROUND 25.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS 35 TO 40.  
 

 
 
MTZ045-181100-  
LIBERTY-  
INCLUDING CHESTER AND WHITLASH  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW LATE IN  
THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. PATCHY FOG THROUGH  
THE NIGHT. NEW SNOW ACCUMULATION AROUND 1 INCH. LOWS ZERO TO  
5 ABOVE. NORTH WINDS 5 TO 10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
COLDER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. SNOW  
LIKELY IN THE MORNING, THEN SLIGHT CHANCE OF SNOW IN THE  
AFTERNOON. LITTLE OR NO SNOW ACCUMULATION. HIGHS 10 TO 15.  
NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON. CHANCE OF SNOW 60 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 5 ABOVE. SOUTH WINDS  
UP TO 5 MPH.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS 25 TO 35. SOUTH WINDS UP  
TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTH WINDS UP TO  
10 MPH.    
THURSDAY THROUGH FRIDAY
 
MOSTLY CLEAR. HIGHS 35 TO 45. LOWS  
15 TO 20.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 25.    
SATURDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS 25 TO 30. HIGHS  
45 TO 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT  
CHANCE OF RAIN. LOWS 25 TO 30. CHANCE OF PRECIPITATION  
30 PERCENT.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS 35 TO 40.  
 

 
 
MTZ011-181100-  
HILL-  
INCLUDING HAVRE, ROCKY BOY, AND RUDYARD  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW LATE IN  
THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. PATCHY FOG THROUGH  
THE NIGHT. NEW SNOW ACCUMULATION UP TO 1 INCH. LOWS ZERO TO  
5 ABOVE. NORTH WINDS 5 TO 15 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
COLDER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING.  
CHANCE OF SNOW IN THE MORNING, THEN SLIGHT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS 10 TO 15. EAST WINDS UP TO 10 MPH. CHANCE OF  
SNOW 50 PERCENT. WIND CHILL READINGS 5 BELOW TO 15 BELOW ZERO.    
TUESDAY NIGHT
 
COLDER. PARTLY CLOUDY. LOWS 5 BELOW TO 5 ABOVE  
ZERO. SOUTHEAST WINDS UP TO 10 MPH.    
WEDNESDAY
 
NOT AS COLD. PARTLY CLOUDY IN THE MORNING THEN  
BECOMING SUNNY. HIGHS 25 TO 30. SOUTH WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTH WINDS 5 TO  
10 MPH.    
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLEAR. HIGHS 35 TO 40. LOWS  
15 TO 20.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 40 TO 45.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 20 TO 25.    
SATURDAY AND SATURDAY NIGHT
 
PARTLY CLOUDY. HIGHS 40 TO 45.  
LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 40.  
 

 
TEMPERATURE / PRECIPITATION  
 
HAVRE 3 11 0 29 / 70 60 0 0  
 

 
 
MTZ047-181100-  
BLAINE-  
INCLUDING CHINOOK, HARLEM, AND HAYS  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. PATCHY FOG. LOWS 5 BELOW TO 5 ABOVE ZERO. NORTH WINDS  
5 TO 15 MPH.    
TUESDAY
 
COLDER. PATCHY FOG IN THE MORNING. CLOUDY WITH A  
50 PERCENT CHANCE OF SNOW. HIGHS 5 TO 15. EAST WINDS UP TO  
10 MPH. WIND CHILL READINGS 10 BELOW TO 20 BELOW ZERO.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 5 BELOW TO ZERO. SOUTHEAST WINDS UP TO  
10 MPH.    
WEDNESDAY
 
NOT AS COLD. PARTLY CLOUDY IN THE MORNING THEN  
BECOMING SUNNY. HIGHS 20 TO 25. SOUTH WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 5 TO 15. SOUTH WINDS UP TO  
10 MPH.    
THURSDAY AND THURSDAY NIGHT
 
NOT AS COOL. MOSTLY CLEAR. HIGHS  
35 TO 40. LOWS 15 TO 20.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 35 TO 45.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLEAR. LOWS 20 TO 25. HIGHS  
40 TO 45.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 20 TO 30.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 40 TO 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 40.  
 

 
 
MTZ013-181100-  
CHOUTEAU-  
INCLUDING FORT BENTON, CARTER, AND BIG SANDY  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY. CHANCE OF SNOW LATE IN  
THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. PATCHY FOG THROUGH  
THE NIGHT. NEW SNOW ACCUMULATION UP TO 1 INCH. LOWS 5 TO 10.  
NORTH WINDS 5 TO 15 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
COLDER, CLOUDY. PATCHY FOG IN THE MORNING. SNOW LIKELY  
IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. SNOW  
ACCUMULATION UP TO 2 INCHES. HIGHS 15 TO 20. NORTHEAST WINDS UP  
TO 10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 5. SOUTHEAST WINDS UP  
TO 5 MPH.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS 30 TO 35. SOUTH WINDS UP  
TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTH WINDS UP TO  
10 MPH.    
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLEAR. HIGHS 40 TO 45. LOWS  
20 TO 25.    
FRIDAY THROUGH SATURDAY NIGHT
 
PARTLY CLOUDY. HIGHS 45 TO 50.  
LOWS 25 TO 35.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT  
CHANCE OF RAIN. LOWS 25 TO 30. CHANCE OF PRECIPITATION  
40 PERCENT.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS 35 TO 40.  
 

 
 
MTZ012-181100-  
CASCADE-  
INCLUDING GREAT FALLS, CASCADE, BELT, AND KINGS HILL PASS  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW LATE IN THE  
EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. PATCHY FOG THROUGH THE  
NIGHT. NEW SNOW ACCUMULATION UP TO 2 INCHES. LOWS AROUND 10. WEST  
WINDS UP TO 10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
COLDER. MOSTLY CLOUDY. PATCHY FOG IN THE MORNING. SNOW  
LIKELY IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. SNOW  
ACCUMULATION UP TO 2 INCHES. HIGHS 20 TO 25. NORTH WINDS UP TO  
10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY NIGHT
 
PARTLY CLOUDY. PATCHY DENSE FOG IN THE EVENING.  
LOWS 5 TO 10. EAST WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER  
MIDNIGHT.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS 25 TO 35. SOUTHWEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 20. SOUTH WINDS 5 TO  
15 MPH.    
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLEAR. HIGHS 35 TO 45. LOWS  
20 TO 25.    
FRIDAY
 
BREEZY, SUNNY. HIGHS 40 TO 50.    
FRIDAY NIGHT THROUGH SATURDAY NIGHT
 
BREEZY. PARTLY CLOUDY.  
LOWS 25 TO 35. HIGHS 40 TO 50.    
SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
40 TO 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
LOWS 25 TO 30.    
MONDAY
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS 30 TO  
40.  
 

 
TEMPERATURE / PRECIPITATION  
 
GREAT FALLS ARPT 9 21 8 36 / 60 60 0 0  
 

 
 
MTZ050-181100-  
JUDITH BASIN-  
INCLUDING RAYNESFORD, STANFORD, AND HOBSON  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. SNOW LIKELY. PATCHY FOG. NEW SNOW  
ACCUMULATION UP TO 2 INCHES. LOWS 5 TO 10. NORTHWEST WINDS 5 TO  
10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
COLDER. PATCHY FOG IN THE MORNING. SNOW LIKELY. SNOW  
ACCUMULATION UP TO 2 INCHES. HIGHS 15 TO 20. NORTH WINDS UP TO  
10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY NIGHT
 
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW IN THE EVENING, THEN MOSTLY CLEAR AFTER MIDNIGHT. LOWS  
ZERO TO 5 ABOVE. SOUTHEAST WINDS UP TO 10 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS 25 TO 30. SOUTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY NIGHT
 
CLEAR. LOWS 10 TO 15. SOUTHWEST WINDS 5 TO  
15 MPH.    
THURSDAY
 
NOT AS COOL. SUNNY. HIGHS 35 TO 45.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS 15 TO 20.    
FRIDAY
 
PARTLY CLOUDY. HIGHS 35 TO 45.    
FRIDAY NIGHT AND SATURDAY
 
BREEZY. MOSTLY CLEAR. LOWS 20 TO 25.  
HIGHS 35 TO 45.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
40 TO 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SNOW.  
LOWS 20 TO 30.    
MONDAY
 
BREEZY. CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 40.  
 

 
 
MTZ051-181100-  
FERGUS-  
INCLUDING LEWISTOWN, WINIFRED, LEWISTOWN DIVIDE, AND GRASS RANGE  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. PATCHY FOG. LOWS 5 TO 10. NORTH WINDS 5 TO 15 MPH.    
TUESDAY
 
COLDER, CLOUDY. PATCHY FOG IN THE MORNING. SNOW LIKELY  
IN THE MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. SNOW  
ACCUMULATION UP TO 2 INCHES. HIGHS AROUND 15. NORTHEAST WINDS  
5 TO 10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY NIGHT
 
COLDER. MOSTLY CLOUDY IN THE EVENING THEN  
BECOMING PARTLY CLOUDY. LOWS ZERO TO 5 ABOVE. SOUTH WINDS UP TO  
10 MPH.    
WEDNESDAY
 
NOT AS COLD. SUNNY. HIGHS 25 TO 30. SOUTH WINDS UP  
TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTH WINDS UP TO  
10 MPH.    
THURSDAY
 
NOT AS COOL. SUNNY. HIGHS 35 TO 45.    
THURSDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 20.    
FRIDAY THROUGH SATURDAY NIGHT
 
PARTLY CLOUDY. HIGHS 40 TO 50.  
LOWS 25 TO 30.    
SUNDAY
 
MOSTLY CLOUDY. HIGHS 45 TO 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT  
CHANCE OF RAIN. LOWS 25 TO 30. CHANCE OF PRECIPITATION  
50 PERCENT.    
MONDAY
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS 35 TO 40.  
 

 
TEMPERATURE / PRECIPITATION  
 
LEWISTOWN 7 15 0 29 / 60 70 10 0  
 

 
 
MTZ014-181100-  
CENTRAL AND SOUTHERN LEWIS AND CLARK-  
INCLUDING HELENA, FLESHER PASS, LINCOLN, MACDONALD PASS,  
AND ROGERS PASS  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
MOSTLY CLOUDY. SNOW LIKELY LATE IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. PATCHY FOG THROUGH  
THE NIGHT. NEW SNOW ACCUMULATION UP TO 1 INCH. LOWS 10 TO 15.  
WEST WINDS UP TO 10 MPH. CHANCE OF SNOW 70 PERCENT.    
TUESDAY
 
PATCHY FOG IN THE MORNING. MOSTLY CLOUDY WITH A  
50 PERCENT CHANCE OF SNOW. HIGHS 20 TO 30. NORTHWEST WINDS UP TO  
10 MPH.    
TUESDAY NIGHT
 
COLDER. PARTLY CLOUDY. LOWS 5 TO 10. NORTH WINDS  
UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.    
WEDNESDAY
 
SUNNY. HIGHS 25 TO 35. SOUTHWEST WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 10 TO 15. SOUTHWEST WINDS  
5 TO 15 MPH.    
THURSDAY
 
SUNNY. HIGHS 30 TO 40.    
THURSDAY NIGHT THROUGH SATURDAY
 
PARTLY CLOUDY. LOWS 15 TO 25.  
HIGHS 35 TO 45.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS 25 TO 30.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. HIGHS 35 TO 45. LOWS 20 TO 30.    
MONDAY
 
CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS 25 TO  
35.  
 

 
TEMPERATURE / PRECIPITATION  
 
HELENA 14 30 8 34 / 40 20 10 0  
 

 
 
MTZ052-181100-  
JEFFERSON-  
INCLUDING MONTANA CITY, BOULDER, BOULDER HILL, ELK PARK PASS,  
HOMESTAKE PASS, AND WHITEHALL  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY LATE IN THE EVENING THEN  
BECOMING PARTLY CLOUDY. A 50 PERCENT CHANCE OF SNOW. LOWS 5 TO  
15. WEST WINDS 5 TO 10 MPH. WIND CHILL READINGS 5 BELOW TO  
15 BELOW ZERO.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
20 TO 30. WEST WINDS 5 TO 15 MPH. WIND CHILL READINGS 5 BELOW TO  
15 BELOW ZERO IN THE MORNING.    
TUESDAY NIGHT
 
COLDER. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
SNOW IN THE EVENING. LOWS ZERO TO 10 ABOVE. WEST WINDS UP TO  
10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS 20 TO 30. SOUTHWEST WINDS UP TO 10 MPH.   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 5 TO 10. SOUTHWEST WINDS UP  
TO 10 MPH.    
THURSDAY
 
NOT AS COLD. SUNNY. HIGHS 30 TO 40.    
THURSDAY NIGHT AND FRIDAY
 
PARTLY CLOUDY. LOWS 10 TO 15. HIGHS  
30 TO 40.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 15 TO 20.    
SATURDAY AND SATURDAY NIGHT
 
PARTLY CLOUDY. HIGHS 35 TO 45.  
LOWS 20 TO 30.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. HIGHS 35 TO 45. LOWS 20 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
25 TO 35.  
 

 
 
MTZ053-181100-  
BROADWATER-  
INCLUDING TOSTON, TOWNSEND, AND WINSTON  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SNOW. LOWS 10 TO 15. SOUTHWEST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
20 TO 30. WEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
COLDER. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
5 TO 10. NORTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS 25 TO 30. SOUTH WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 10 ABOVE. SOUTH  
WINDS UP TO 10 MPH.    
THURSDAY
 
NOT AS COLD. SUNNY. HIGHS 30 TO 40.    
THURSDAY NIGHT AND FRIDAY
 
PARTLY CLOUDY. LOWS 15 TO 20. HIGHS  
35 TO 40.    
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS 20 TO 25.    
SATURDAY AND SATURDAY NIGHT
 
PARTLY CLOUDY. HIGHS 35 TO 45.  
LOWS 25 TO 30.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. HIGHS 40 TO 45. LOWS 25 TO 30.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 35.  
 

 
 
MTZ054-181100-  
MEAGHER-  
INCLUDING MARTINSDALE AND WHITE SULPHUR SPRINGS  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
SNOW LIKELY. NEW SNOW ACCUMULATION UP TO  
2 INCHES. LOWS 5 TO 10. WEST WINDS 5 TO 10 MPH. CHANCE OF SNOW  
70 PERCENT.    
TUESDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
15 TO 25. WEST WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
COLDER. PATCHY DENSE FOG IN THE EVENING. MOSTLY  
CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE EVENING, THEN  
PARTLY CLOUDY AFTER MIDNIGHT. LOWS ZERO TO 5 ABOVE. NORTH WINDS  
UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
HIGHS 20 TO 30. SOUTHWEST WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 5 TO 10. SOUTHWEST WINDS  
5 TO 10 MPH.    
THURSDAY AND THURSDAY NIGHT
 
MOSTLY CLEAR. HIGHS 30 TO 35. LOWS  
10 TO 15.    
FRIDAY THROUGH SATURDAY NIGHT
 
PARTLY CLOUDY. HIGHS 30 TO 40.  
LOWS 15 TO 25.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. HIGHS 35 TO 40. LOWS 20 TO 25.    
MONDAY
 
SNOW LIKELY. HEAVY SNOW ACCUMULATIONS. HIGHS 25 TO 35.  
CHANCE OF SNOW 70 PERCENT.  
 

 
 
MTZ055-181100-  
GALLATIN-  
INCLUDING BOZEMAN, WEST YELLOWSTONE, BATTLE RIDGE PASS,  
BOZEMAN PASS, AND TARGHEE PASS  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. LOWS ZERO TO 10 ABOVE. SOUTHWEST WINDS UP TO 10 MPH.    
TUESDAY
 
PARTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN  
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS 15 TO 25. WEST  
WINDS UP TO 10 MPH. CHANCE OF SNOW 50 PERCENT. WIND CHILL  
READINGS 5 BELOW TO 15 BELOW ZERO.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING. LOWS ZERO TO 10 ABOVE. WEST WINDS UP TO 10 MPH  
SHIFTING TO THE SOUTH AFTER MIDNIGHT.    
WEDNESDAY
 
PARTLY CLOUDY IN THE MORNING THEN BECOMING SUNNY.  
HIGHS 20 TO 30. WEST WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 10 ABOVE ZERO.  
SOUTH WINDS UP TO 10 MPH.    
THURSDAY
 
NOT AS COLD. SUNNY. HIGHS 30 TO 40.    
THURSDAY NIGHT AND FRIDAY
 
PARTLY CLOUDY. LOWS 5 TO 15. HIGHS  
30 TO 40.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLEAR. LOWS 10 TO 20. HIGHS  
35 TO 45.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 15 TO 25.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. HIGHS 35 TO 45. LOWS 15 TO 25.    
MONDAY
 
SNOW LIKELY. HEAVY SNOW ACCUMULATIONS. HIGHS 25 TO 35.  
CHANCE OF SNOW 70 PERCENT.  
 

 
TEMPERATURE / PRECIPITATION  
 
BOZEMAN AIRPORT 9 26 5 30 / 40 30 10 0  
BOZEMAN MSU 11 26 6 29 / 50 40 10 0  
WEST YELLOWSTONE -10 18 -10 23 / 40 20 10 0  
 

 
 
MTZ015-181100-  
MADISON-  
INCLUDING ENNIS, NORRIS HILL, RAYNOLDS PASS, TWIN BRIDGES,  
AND VIRGINIA CITY  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
COLDER. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. LOWS ZERO TO 10 ABOVE. SOUTHWEST WINDS 5 TO 10 MPH. WIND  
CHILL READINGS 10 BELOW TO 20 BELOW ZERO AFTER MIDNIGHT.    
TUESDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN THE  
MORNING, THEN SUNNY IN THE AFTERNOON. HIGHS 15 TO 25. SOUTHWEST  
WINDS 5 TO 15 MPH. WIND CHILL READINGS 10 BELOW TO 20 BELOW ZERO  
IN THE MORNING.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING. LOWS ZERO TO 5 ABOVE. SOUTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS 15 TO 25. WEST WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 10 ABOVE ZERO.  
SOUTH WINDS 5 TO 15 MPH.    
THURSDAY
 
NOT AS COLD. SUNNY. HIGHS 25 TO 35.    
THURSDAY NIGHT AND FRIDAY
 
PARTLY CLOUDY. LOWS 5 TO 15. HIGHS  
25 TO 35.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLEAR. LOWS 10 TO 20. HIGHS  
30 TO 40.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 15 TO 25.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. HIGHS 30 TO 40. LOWS 15 TO 25.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
25 TO 35.  
 

 
 
MTZ008-181100-  
BEAVERHEAD-  
INCLUDING BIG HOLE PASS, WISDOM, DILLON, CHIEF JOSEPH PASS,  
MONIDA PASS, AND WISE RIVER  
818 PM MST MON FEB 17 2020  
   
REST OF TONIGHT
 
MOSTLY CLOUDY LATE IN THE EVENING THEN  
BECOMING PARTLY CLOUDY. CHANCE OF SNOW LATE IN THE EVENING, THEN  
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS ZERO TO 5 ABOVE. WEST  
WINDS 5 TO 10 MPH. CHANCE OF SNOW 50 PERCENT.    
TUESDAY
 
SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE MORNING.  
HIGHS 15 TO 25. SOUTHWEST WINDS UP TO 10 MPH. WIND CHILL READINGS  
10 BELOW TO 20 BELOW ZERO IN THE MORNING.    
TUESDAY NIGHT
 
COLDER. MOSTLY CLEAR. LOWS 5 BELOW TO ZERO. WEST  
WINDS UP TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS 15 TO 25. SOUTHWEST WINDS UP TO 10 MPH.   
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS ZERO TO 5 ABOVE ZERO. SOUTH  
WINDS 5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS 25 TO 30.    
THURSDAY NIGHT AND FRIDAY
 
PARTLY CLOUDY. LOWS 5 TO 10. HIGHS  
25 TO 35.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLEAR. LOWS 10 TO 15. HIGHS  
30 TO 35.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS 15 TO 20.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. HIGHS 30 TO 35. LOWS 15 TO 20.    
MONDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
20 TO 30.  
 

 
TEMPERATURE / PRECIPITATION  
 
DILLON 6 25 3 26 / 40 10 10 0  
 

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