999  
FPUS55 KTFX 151042  
ZFPTFX  
 
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
442 AM MDT TUE SEP 15 2026  
 
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION  
ARE FOR TODAY, TONIGHT, AND WEDNESDAY.  
 
MTZ301-152200-  
EAST GLACIER PARK REGION-  
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,  
SAINT MARY, MARIAS PASS, AND LOGAN PASS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
CLOUDY. PATCHY FOG IN THE MORNING. SLIGHT CHANCE OF RAIN  
EARLY IN THE AFTERNOON. CHANCE OF RAIN LATE IN THE AFTERNOON.  
HIGHS 43 TO 51. SOUTHEAST WINDS UP TO 10 MPH. CHANCE OF RAIN  
50 PERCENT.    
TONIGHT
 
CLOUDY. RAIN LIKELY IN THE EVENING, THEN CHANCE OF  
RAIN AFTER MIDNIGHT. LOWS 35 TO 41. NORTHEAST WINDS UP TO 10 MPH.  
CHANCE OF RAIN 70 PERCENT.    
WEDNESDAY
 
PARTLY SUNNY. HIGHS 47 TO 55. NORTHEAST WINDS UP TO  
5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. SOUTH  
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.    
THURSDAY
 
WARMER, SUNNY. HIGHS 58 TO 66. SOUTHWEST WINDS UP TO  
10 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S.    
FRIDAY
 
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 55 TO  
63. CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS 55 TO 65.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
MID 40S. HIGHS 57 TO 67.    
MONDAY
 
MOSTLY SUNNY. HIGHS 57 TO 67.  
 

 
 
MTZ307-152200-  
SOUTHERN ROCKY MOUNTAIN FRONT-  
INCLUDING THE CITY OF ROGERS PASS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
NOT AS COOL. PARTLY SUNNY. HIGHS 48 TO 58. SOUTHEAST  
WINDS UP TO 10 MPH.    
TONIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. LOWS  
IN THE UPPER 30S. NORTHEAST WINDS UP TO 10 MPH WITH GUSTS TO  
AROUND 25 MPH.    
WEDNESDAY
 
PARTLY SUNNY. HIGHS 48 TO 56. EAST WINDS UP TO  
10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. EAST  
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.    
THURSDAY
 
WARMER, SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 60 TO 68. WEST WINDS UP TO 5 MPH SHIFTING  
TO THE EAST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOWS  
IN THE MID 40S. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 55 TO 63. CHANCE OF PRECIPITATION  
50 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER  
40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 57 TO 65.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER  
40S. HIGHS 58 TO 69.  
 

 
 
MTZ302-152200-  
NORTHERN HIGH PLAINS-  
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. A  
20 PERCENT CHANCE OF RAIN LATE IN THE AFTERNOON. HIGHS IN THE MID  
50S. SOUTHEAST WINDS UP TO 10 MPH.    
TONIGHT
 
RAIN LIKELY IN THE EVENING, THEN CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE LOWER 40S. EAST WINDS UP TO 10 MPH SHIFTING  
TO THE NORTH AFTER MIDNIGHT. CHANCE OF RAIN 70 PERCENT.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE MID 50S. NORTH WINDS UP TO 10 MPH SHIFTING TO  
THE SOUTHEAST IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. SOUTH WINDS UP  
TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 60S. SOUTHWEST WINDS UP TO  
5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE MID 40S.    
FRIDAY
 
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE MID 60S. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT THROUGH SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE  
MID 40S. HIGHS IN THE UPPER 60S.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLEAR. HIGHS IN THE UPPER 60S.  
LOWS IN THE MID 40S.    
MONDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.  
 

 
 
MTZ308-152200-  
SOUTHERN HIGH PLAINS-  
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HIGHS  
AROUND 60. EAST WINDS UP TO 10 MPH.    
TONIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. LOWS  
IN THE MID 40S. NORTH WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
MORNING. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO 10 MPH SHIFTING  
TO THE EAST IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST  
WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.    
THURSDAY
 
WARMER, SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST  
WINDS UP TO 5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. CHANCE OF PRECIPITATION 50 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE UPPER  
40S.    
SATURDAY
 
SUNNY. HIGHS AROUND 70.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. HIGHS IN THE LOWER 70S.  
LOWS IN THE UPPER 40S.  
 

 
 
MTZ303-152200-  
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-  
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HIGHS IN  
THE MID 50S. EAST WINDS UP TO 10 MPH.    
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO 10 MPH SHIFTING  
TO THE SOUTHEAST IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTH  
WINDS 5 TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. LOWS IN THE MID 40S.    
FRIDAY
 
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE MORNING, THEN SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. LOWS IN THE MID 40S.  
HIGHS AROUND 70.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID  
40S. HIGHS IN THE LOWER 70S.  
 

 
TEMPERATURE / PRECIPITATION  
 
CUT BANK 56 43 57 / 10 80 10  
 

 
 
MTZ304-152200-  
EASTERN TOOLE AND LIBERTY-  
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,  
LOTHAIR, AND WHITLASH  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HIGHS  
56 TO 62. EAST WINDS UP TO 10 MPH.    
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN. LOWS IN THE  
MID 40S. NORTHEAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST  
WINDS UP TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS. LOWS IN THE UPPER 40S.    
FRIDAY
 
PARTLY SUNNY WITH CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SATURDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
MORNING. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 70S.  
 

 
 
MTZ305-152200-  
HILL COUNTY-  
INCLUDING THE CITY OF HAVRE  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HIGHS IN  
THE LOWER 60S. EAST WINDS UP TO 5 MPH INCREASING TO 5 TO 15 MPH  
IN THE AFTERNOON.    
TONIGHT
 
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN. LOWS IN THE  
MID 40S. NORTHEAST WINDS 10 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST  
WINDS UP TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS AROUND 70. SOUTHEAST WINDS UP TO 10 MPH.   
THURSDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER  
MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF PRECIPITATION  
20 PERCENT.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 70. CHANCE OF PRECIPITATION  
40 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING, THEN SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN  
THE MID 40S. CHANCE OF PRECIPITATION 20 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
MORNING. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
UPPER 40S. HIGHS IN THE MID 70S.    
MONDAY
 
SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE AFTERNOON.  
HIGHS IN THE MID 70S.  
 

 
TEMPERATURE / PRECIPITATION  
 
HAVRE 65 43 64 / 0 70 20  
 

 
 
MTZ306-152200-  
NORTHERN BLAINE COUNTY-  
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,  
AND FORT BELKNAP  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
PARTLY SUNNY. PATCHY FOG IN THE MORNING. HIGHS IN THE  
LOWER 60S. EAST WINDS UP TO 5 MPH INCREASING TO 5 TO 15 MPH IN  
THE AFTERNOON.    
TONIGHT
 
CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING, THEN  
RAIN LIKELY AFTER MIDNIGHT. LOWS IN THE LOWER 40S. EAST WINDS  
10 TO 15 MPH. CHANCE OF RAIN 70 PERCENT.    
WEDNESDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
MORNING. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST  
WINDS UP TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS 10 TO  
20 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF PRECIPITATION  
50 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE UPPER  
40S. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE LOWER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. HIGHS IN THE MID 70S. LOWS  
IN THE UPPER 40S.  
 

 
 
MTZ309-152200-  
EASTERN PONDERA AND EASTERN TETON-  
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. HIGHS IN  
THE LOWER 60S. EAST WINDS UP TO 5 MPH INCREASING TO 5 TO 15 MPH  
IN THE AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN. LOWS  
IN THE MID 40S. NORTH WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. SOUTHEAST  
WINDS UP TO 5 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE UPPER 60S. SOUTH WINDS UP TO  
5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. CHANCE OF PRECIPITATION 50 PERCENT.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE  
OF RAIN. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. HIGHS IN THE MID 70S. LOWS  
IN THE UPPER 40S.  
 

 
 
MTZ310-152200-  
WESTERN AND CENTRAL CHOUTEAU COUNTY-  
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
PARTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. HIGHS IN  
THE MID 60S. EAST WINDS UP TO 10 MPH INCREASING TO 10 TO 15 MPH  
IN THE AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE MID 40S. NORTHEAST WINDS 5 TO 15 MPH WITH  
GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS  
UP TO 10 MPH.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS UP TO  
10 MPH. GUSTS UP TO 25 MPH IN THE MORNING.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS AROUND 50. HIGHS  
IN THE UPPER 60S. CHANCE OF PRECIPITATION 50 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE UPPER 40S.  
CHANCE OF PRECIPITATION 40 PERCENT.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE LOWER 70S.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 70S.  
 

 
 
MTZ311-152200-  
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-  
INCLUDING THE CITY OF ROCKY BOY  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
PARTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. HIGHS  
59 TO 65. SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE EAST 5 TO  
15 MPH IN THE AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE EVENING,  
THEN CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE LOWER 40S. EAST  
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF RAIN  
50 PERCENT.    
WEDNESDAY
 
PARTLY SUNNY. HIGHS 58 TO 64. NORTH WINDS UP TO  
10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS  
UP TO 10 MPH. GUSTS UP TO 25 MPH AFTER MIDNIGHT.    
THURSDAY
 
WARMER, SUNNY. HIGHS 67 TO 73. SOUTHEAST WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF  
RAIN SHOWERS AFTER MIDNIGHT. LOWS AROUND 50. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS 65 TO 71. LOWS IN THE  
UPPER 40S. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN  
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS 67 TO 73. CHANCE OF  
RAIN 30 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY THROUGH MONDAY
 
MOSTLY CLEAR. HIGHS 69 TO 78. LOWS  
AROUND 50.  
 

 
 
MTZ312-152200-  
CASCADE COUNTY BELOW 5000FT-  
INCLUDING THE CITY OF GREAT FALLS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. HIGHS IN  
THE MID 60S. EAST WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE  
AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHEAST WINDS  
5 TO 15 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.    
WEDNESDAY
 
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. NORTH WINDS  
UP TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST  
WINDS UP TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.    
THURSDAY
 
WARMER, SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS UP  
TO 5 MPH SHIFTING TO THE NORTHEAST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
FRIDAY AND FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE UPPER 60S. LOWS  
IN THE UPPER 40S. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE LOWER 70S.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 70S.  
 

 
TEMPERATURE / PRECIPITATION  
 
GREAT FALLS ARPT 64 44 60 / 0 10 10  
 

 
 
MTZ313-152200-  
JUDITH BASIN COUNTY AND JUDITH GAP-  
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,  
BENCHLAND, HOBSON, AND MOCCASIN  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHEAST WINDS UP  
TO 10 MPH INCREASING TO 10 TO 20 MPH IN THE AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST WINDS 10 TO 15 MPH  
SHIFTING TO THE WEST AFTER MIDNIGHT. GUSTS UP TO 30 MPH.    
WEDNESDAY
 
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS  
AROUND 60. NORTH WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST  
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH 5 TO 15 MPH AFTER  
MIDNIGHT.    
THURSDAY
 
WARMER, SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS  
5 TO 15 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF  
RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF PRECIPITATION  
70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SLIGHT CHANCE OF  
RAIN AFTER MIDNIGHT. LOWS IN THE MID 40S. CHANCE OF PRECIPITATION  
50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING,  
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE UPPER 60S.  
CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
UPPER 40S. HIGHS IN THE LOWER 70S.    
MONDAY
 
SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE MORNING.  
HIGHS IN THE MID 70S.  
 

 
 
MTZ314-152200-  
FERGUS COUNTY BELOW 4500FT-  
INCLUDING THE CITIES OF HILGER AND LEWISTOWN  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY SUNNY. PATCHY FOG EARLY IN THE MORNING. HIGHS IN  
THE MID 60S. SOUTHEAST WINDS UP TO 10 MPH INCREASING TO 10 TO  
15 MPH IN THE AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS 10 TO  
15 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT. GUSTS UP TO  
35 MPH.    
WEDNESDAY
 
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN  
THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND  
30 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S. EAST WINDS  
UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.    
THURSDAY
 
SUNNY. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS 5 TO  
15 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF  
RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 50S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF PRECIPITATION  
70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF PRECIPITATION  
50 PERCENT.    
SATURDAY
 
PARTLY SUNNY. CHANCE OF RAIN IN THE MORNING, THEN  
SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 70S.  
CHANCE OF RAIN 30 PERCENT.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE  
UPPER 40S. HIGHS IN THE MID 70S.    
MONDAY
 
SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE MORNING.  
HIGHS IN THE UPPER 70S.  
 

 
TEMPERATURE / PRECIPITATION  
 
LEWISTOWN 65 41 61 / 0 0 0  
 

 
 
MTZ315-152200-  
UPPER BLACKFOOT AND MACDONALD PASS-  
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,  
AND MACDONALD PASS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
NOT AS COOL. MOSTLY SUNNY. HIGHS 56 TO 64. SOUTH WINDS  
UP TO 5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 36 TO 42. NORTH WINDS UP TO 10 MPH WITH GUSTS TO  
AROUND 25 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS 52 TO 60. NORTHEAST WINDS UP TO  
10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 37 TO 43. NORTHEAST WINDS  
UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.    
THURSDAY
 
WARMER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 73. SOUTH WINDS UP TO  
5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN SHOWERS  
AFTER MIDNIGHT. LOWS 43 TO 49. CHANCE OF PRECIPITATION  
80 PERCENT.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 57 TO 65. CHANCE OF PRECIPITATION  
60 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS 40 TO 46. CHANCE OF RAIN 40 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
MORNING. HIGHS 60 TO 68.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLEAR. LOWS IN THE MID 40S.  
HIGHS 63 TO 71.    
SUNDAY NIGHT
 
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN IN THE  
EVENING. LOWS 42 TO 48.    
MONDAY
 
SUNNY. HIGHS 64 TO 72.  
 

 
 
MTZ316-152200-  
GATES OF THE MOUNTAINS-  
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY SUNNY. HIGHS 60 TO 66. SOUTH WINDS UP TO 5 MPH  
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 40S. NORTH WINDS 5 TO 15 MPH WITH GUSTS  
TO AROUND 35 MPH.    
WEDNESDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
MORNING. HIGHS 54 TO 62. NORTH WINDS 5 TO 10 MPH WITH GUSTS TO  
AROUND 25 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE  
SOUTHWEST AFTER MIDNIGHT.    
THURSDAY
 
WARMER, SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 68 TO 74. SOUTH WINDS UP TO 5 MPH  
SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 63 TO 69. CHANCE OF PRECIPITATION  
50 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS IN THE UPPER 40S. CHANCE OF RAIN 40 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 66 TO 72.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER  
40S. HIGHS 68 TO 76.  
 

 
 
MTZ317-152200-  
LITTLE BELT AND HIGHWOOD MOUNTAINS-  
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
NOT AS COOL. MOSTLY SUNNY. HIGHS 55 TO 63. SOUTHEAST  
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 35 TO 41. SOUTHEAST WINDS 5 TO 10 MPH SHIFTING TO  
THE SOUTHWEST AFTER MIDNIGHT. GUSTS UP TO 30 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS 53 TO 59. NORTH WINDS UP TO  
10 MPH WITH GUSTS TO AROUND 30 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 37 TO 43. EAST WINDS 5 TO  
10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT. GUSTS UP TO 30 MPH.    
THURSDAY
 
WARMER, SUNNY. HIGHS 64 TO 70. SOUTH WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS 44 TO 50. CHANCE OF PRECIPITATION  
70 PERCENT.    
FRIDAY
 
RAIN SHOWERS LIKELY IN THE MORNING, THEN RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO  
64. CHANCE OF PRECIPITATION 80 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. LOWS 41 TO 47. CHANCE  
OF PRECIPITATION 50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING,  
THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 59 TO 67. CHANCE OF  
RAIN 30 PERCENT.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 41 TO 49.  
HIGHS 62 TO 72.  
 

 
 
MTZ318-152200-  
SNOWY AND JUDITH MOUNTAINS-  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
SUNNY. PATCHY FOG EARLY IN THE MORNING. HIGHS 55 TO 61.  
SOUTH WINDS UP TO 10 MPH SHIFTING TO THE SOUTHEAST IN THE  
AFTERNOON. GUSTS UP TO 30 MPH.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST WINDS  
10 TO 15 MPH DECREASING TO UP TO 10 MPH AFTER MIDNIGHT. GUSTS UP  
TO 40 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS 54 TO 60. NORTHWEST WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. EAST WINDS 5 TO  
10 MPH SHIFTING TO THE SOUTHEAST 5 TO 15 MPH AFTER MIDNIGHT.    
THURSDAY
 
WARMER, SUNNY. HIGHS 63 TO 69. SOUTHEAST WINDS 5 TO  
15 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF  
RAIN SHOWERS AFTER MIDNIGHT. LOWS IN THE UPPER 40S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
FRIDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 58 TO 64. CHANCE OF PRECIPITATION  
70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE MID 40S. CHANCE OF PRECIPITATION  
60 PERCENT.    
SATURDAY
 
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF RAIN. HIGHS  
60 TO 66.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID  
40S. HIGHS 64 TO 75.  
 

 
 
MTZ319-152200-  
HELENA VALLEY-  
INCLUDING THE CITY OF HELENA  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. EAST WINDS UP TO  
10 MPH.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 40S. NORTHWEST WINDS 5 TO 15 MPH WITH  
GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
5 TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS 5 TO 10 MPH SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.    
THURSDAY
 
WARMER, SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 70S. SOUTHEAST WINDS UP TO  
5 MPH.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY WITH RAIN SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S.  
HIGHS AROUND 70. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS IN THE MID 40S. CHANCE OF RAIN 40 PERCENT.    
SATURDAY THROUGH MONDAY
 
MOSTLY CLEAR. HIGHS 72 TO 77. LOWS IN  
THE MID 40S.  
 

 
TEMPERATURE / PRECIPITATION  
 
HELENA 69 45 65 / 0 0 10  
 

 
 
MTZ320-152200-  
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-  
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,  
BOZEMAN PASS, AND DEEP CREEK PASS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
WARMER, SUNNY. HIGHS 57 TO 65. SOUTHEAST WINDS UP TO  
10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS IN  
THE UPPER 30S. NORTHEAST WINDS UP TO 10 MPH WITH GUSTS TO AROUND  
30 MPH.    
WEDNESDAY
 
SUNNY. HIGHS 55 TO 65. NORTH WINDS UP TO 10 MPH.  
GUSTS UP TO 30 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST  
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 35 MPH.    
THURSDAY
 
WARMER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 71. SOUTHEAST WINDS  
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
THURSDAY NIGHT AND FRIDAY
 
RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS 57 TO 65.  
CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS IN THE MID 40S. CHANCE OF RAIN 50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
59 TO 67.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID  
40S. HIGHS 62 TO 73.  
 

 
 
MTZ321-152200-  
MEAGHER COUNTY VALLEYS-  
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,  
AND WHITE SULPHUR SPRINGS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
NOT AS COOL. SUNNY. PATCHY FOG EARLY IN THE MORNING.  
HIGHS IN THE MID 60S. SOUTHEAST WINDS UP TO 10 MPH. GUSTS UP TO  
30 MPH IN THE AFTERNOON.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 35 MPH SHIFTING TO THE NORTH WITH  
GUSTS TO AROUND 25 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS  
UP TO 10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. EAST WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS UP TO  
10 MPH.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS IN THE MID 40S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
FRIDAY
 
RAIN SHOWERS LIKELY IN THE MORNING, THEN RAIN SHOWERS  
LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE  
MID 60S. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS IN THE LOWER 40S. CHANCE OF RAIN 50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
IN THE UPPER 60S.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER  
40S. HIGHS IN THE LOWER 70S.  
 

 
 
MTZ322-152200-  
ELKHORN AND BOULDER MOUNTAINS-  
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,  
WICKES, ELK PARK PASS, AND HOMESTAKE PASS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
WARMER, SUNNY. HIGHS 57 TO 65. SOUTH WINDS UP TO 10 MPH.   
TONIGHT
 
PARTLY CLOUDY. LOWS 34 TO 42. NORTH WINDS 5 TO 10 MPH  
WITH GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS 55 TO 63. NORTHEAST WINDS UP TO  
10 MPH WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 36 TO 44. NORTHEAST WINDS  
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHEAST  
AFTER MIDNIGHT.    
THURSDAY
 
WARMER. SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH  
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 63 TO 71. SOUTH WINDS UP TO 10 MPH. CHANCE OF  
PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. RAIN SHOWERS AND CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER  
MIDNIGHT. LOWS 41 TO 49. CHANCE OF PRECIPITATION 80 PERCENT.    
FRIDAY
 
RAIN SHOWERS LIKELY IN THE MORNING, THEN RAIN SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
56 TO 64. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS 38 TO 46. CHANCE OF RAIN 50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
59 TO 67.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 39 TO 47.  
HIGHS 62 TO 72.  
 

 
 
MTZ323-152200-  
CANYON FERRY AREA-  
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS UP TO  
10 MPH.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 41 TO  
47. NORTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE MID 60S. NORTH WINDS 5 TO  
15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 41 TO 47. NORTH WINDS 5 TO  
15 MPH SHIFTING TO THE EAST AFTER MIDNIGHT.    
THURSDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS UP TO  
5 MPH.    
THURSDAY NIGHT AND FRIDAY
 
RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 60S. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS 43 TO 49. CHANCE OF RAIN 50 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 43 TO 50.  
HIGHS IN THE MID 70S.  
 

 
 
MTZ324-152200-  
MISSOURI HEADWATERS-  
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,  
PONY, AND WHITEHALL  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
SUNNY. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS UP TO  
5 MPH. GUSTS UP TO 20 MPH IN THE AFTERNOON.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST WINDS  
UP TO 10 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT. GUSTS UP TO  
30 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS UP TO  
10 MPH WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHEAST  
WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.    
THURSDAY
 
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.  
SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 60S. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS IN THE MID 40S. CHANCE OF RAIN 40 PERCENT.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
AROUND 70.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID  
40S. HIGHS IN THE MID 70S.  
 

 
 
MTZ325-152200-  
MADISON RIVER VALLEY-  
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,  
AND NORRIS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
SUNNY. PATCHY FOG EARLY IN THE MORNING. HIGHS AROUND 70.  
SOUTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE WEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
SUNNY. HIGHS 65 TO 71. NORTH WINDS UP TO 5 MPH  
INCREASING TO 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE  
AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 40S. NORTH WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE EAST AFTER  
MIDNIGHT.    
THURSDAY
 
MOSTLY SUNNY WITH CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.  
SOUTH WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 70 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 60S. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS 40 TO 46. CHANCE OF RAIN 40 PERCENT.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
AROUND 70.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 40 TO 48.  
HIGHS IN THE MID 70S.  
 

 
 
MTZ326-152200-  
GALLATIN VALLEY-  
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
SUNNY. PATCHY FOG EARLY IN THE MORNING. HIGHS IN THE  
UPPER 60S. EAST WINDS UP TO 5 MPH. GUSTS UP TO 20 MPH IN THE  
AFTERNOON.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST WINDS  
UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.    
WEDNESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS UP TO  
10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S. EAST  
WINDS UP TO 10 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 70S.  
SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
RAIN SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS IN THE  
UPPER 60S. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. A 40 PERCENT CHANCE OF RAIN. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
AROUND 70.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE MID  
40S. HIGHS IN THE MID 70S.  
 

 
TEMPERATURE / PRECIPITATION  
 
BOZEMAN AIRPORT 71 37 69 / 0 0 0  
BOZEMAN MSU 70 38 69 / 0 0 0  
 

 
 
MTZ330-152200-  
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-  
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,  
AND RAYNOLDS PASS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
WARMER, SUNNY. HIGHS 55 TO 65. SOUTH WINDS UP TO 15 MPH  
WITH GUSTS TO AROUND 30 MPH.    
TONIGHT
 
MOSTLY CLEAR. LOWS 33 TO 39. SOUTH WINDS UP TO 10 MPH  
WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY
 
SUNNY. HIGHS 57 TO 69. NORTH WINDS UP TO 10 MPH.  
GUSTS UP TO 30 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS 38 TO 44. NORTHEAST WINDS UP TO  
10 MPH. GUSTS UP TO 30 MPH IN THE EVENING.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 58 TO 68. SOUTH WINDS UP TO 15 MPH. GUSTS UP  
TO 30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY WITH RAIN SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS. LOWS 40 TO 46. HIGHS  
52 TO 62. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS 35 TO 41. CHANCE OF RAIN 40 PERCENT.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN. HIGHS  
56 TO 66.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 35 TO 44.  
HIGHS 59 TO 70.  
 

 
TEMPERATURE / PRECIPITATION  
 
WEST YELLOWSTONE 65 26 72 / 0 0 0  
 

 
 
MTZ327-152200-  
NORTHWEST BEAVERHEAD COUNTY-  
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,  
AND CHIEF JOSEPH PASS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
NOT AS COOL. SUNNY. PATCHY FOG EARLY IN THE MORNING.  
HIGHS 56 TO 64. SOUTH WINDS UP TO 10 MPH.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN CLEARING. LOWS 32 TO  
38. NORTHWEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS 59 TO 67. EAST WINDS UP TO 10 MPH.  
GUSTS UP TO 25 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR. LOWS 34 TO 42. EAST WINDS UP TO  
10 MPH WITH GUSTS TO AROUND 30 MPH.    
THURSDAY
 
MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN SHOWERS IN  
THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 59 TO 69.  
SOUTHEAST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 70 PERCENT.   
THURSDAY NIGHT
 
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER MIDNIGHT. LOWS  
36 TO 44. CHANCE OF PRECIPITATION 80 PERCENT.    
FRIDAY
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS.  
HIGHS 54 TO 62. CHANCE OF PRECIPITATION 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS 32 TO 40. CHANCE OF RAIN 30 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 58 TO 66.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS 33 TO 43.  
HIGHS 60 TO 70.  
 

 
 
MTZ328-152200-  
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-  
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
WARMER, SUNNY. PATCHY FOG EARLY IN THE MORNING. HIGHS  
66 TO 72. SOUTH WINDS UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE  
AFTERNOON.    
TONIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST WINDS 5 TO 10 MPH WITH  
GUSTS TO AROUND 30 MPH SHIFTING TO THE NORTH AFTER MIDNIGHT.    
WEDNESDAY
 
SUNNY. HIGHS 66 TO 72. NORTHEAST WINDS UP TO 5 MPH  
INCREASING TO 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE  
AFTERNOON.    
WEDNESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.  
NORTHEAST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH  
DECREASING TO UP TO 10 MPH AFTER MIDNIGHT.    
THURSDAY
 
MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN SHOWERS IN  
THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 69 TO 75.  
SOUTH WINDS UP TO 10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 70 PERCENT.    
THURSDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER  
MIDNIGHT. LOWS IN THE MID 40S. CHANCE OF PRECIPITATION  
70 PERCENT.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 63 TO 69. CHANCE OF PRECIPITATION  
50 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH CHANCE OF RAIN IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS IN THE LOWER 40S. CHANCE OF RAIN 30 PERCENT.    
SATURDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 66 TO 72.    
SATURDAY NIGHT THROUGH MONDAY
 
MOSTLY CLEAR. LOWS IN THE LOWER  
40S. HIGHS 69 TO 77.  
 

 
TEMPERATURE / PRECIPITATION  
 
DILLON 71 36 71 / 0 0 0  
 

 
 
MTZ329-152200-  
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-  
INCLUDING THE CITY OF MONIDA PASS  
442 AM MDT TUE SEP 15 2026  
   
TODAY
 
WARMER, SUNNY. HIGHS 58 TO 66. SOUTH WINDS 5 TO 15 MPH  
WITH GUSTS TO AROUND 30 MPH.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTHWEST UP  
TO 5 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
SUNNY. HIGHS 61 TO 69. NORTHEAST WINDS UP TO 10 MPH.  
GUSTS UP TO 25 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
MOSTLY CLEAR WITH SLIGHT CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY WITH CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS IN THE LOWER 40S. NORTHEAST WINDS UP  
TO 15 MPH. CHANCE OF SHOWERS 40 PERCENT.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 60 TO 68. SOUTHEAST WINDS UP TO 5 MPH WITH  
GUSTS TO AROUND 20 MPH INCREASING TO SOUTH 10 TO 20 MPH WITH  
GUSTS TO AROUND 35 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
70 PERCENT.    
THURSDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN SHOWERS LIKELY AFTER  
MIDNIGHT. LOWS IN THE LOWER 40S. CHANCE OF PRECIPITATION  
70 PERCENT.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 56 TO 64. CHANCE OF PRECIPITATION  
50 PERCENT.    
FRIDAY NIGHT AND SATURDAY
 
PARTLY CLOUDY. A 20 PERCENT CHANCE  
OF RAIN. LOWS IN THE UPPER 30S. HIGHS 59 TO 67.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS  
62 TO 70.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
MONDAY
 
SUNNY. HIGHS 63 TO 71.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page Main Text Page