521  
FPUS55 KTFX 200632  
ZFPTFX  
 
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1232 AM MDT THU AUG 20 2026  
 
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION  
ARE FOR .TONIGHT THROUGH TODAY..., FRIDAY, FRIDAY NIGHT, AND  
SATURDAY.  
 
MTZ301-211000-  
EAST GLACIER PARK REGION-  
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,  
SAINT MARY, MARIAS PASS, AND LOGAN PASS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE AFTER MIDNIGHT.  
HIGHS 70 TO 80. LOWS 49 TO 54. NORTH WINDS UP TO 10 MPH WITH  
GUSTS TO AROUND 25 MPH.    
FRIDAY  
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS 70 TO  
78. NORTHEAST WINDS UP TO 5 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE MID 50S. SOUTHEAST WINDS UP TO 10 MPH.    
SATURDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 71 TO 81. SOUTH WINDS UP TO 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE MID 50S. SOUTHWEST WINDS 5 TO  
15 MPH.    
SUNDAY  
BREEZY. MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS 60 TO 70.    
SUNDAY NIGHT THROUGH TUESDAY  
BREEZY. MOSTLY CLEAR. LOWS IN THE  
UPPER 40S. HIGHS 60 TO 74.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 50.    
WEDNESDAY  
SUNNY. HIGHS 63 TO 73.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE UPPER 40S.    
THURSDAY  
MOSTLY SUNNY. HIGHS 59 TO 69.  
 
 
 
MTZ307-211000-  
SOUTHERN ROCKY MOUNTAIN FRONT-  
INCLUDING THE CITY OF ROGERS PASS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE. HIGHS 73 TO 83.  
LOWS 48 TO 56. WEST WINDS UP TO 15 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS 72 TO 82. NORTH WINDS UP TO 5 MPH  
SHIFTING TO THE EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS 53 TO 59. NORTHEAST WINDS UP TO  
10 MPH.    
SATURDAY  
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 82.  
SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.   
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS 51 TO 57. SOUTHWEST WINDS UP TO 10 MPH.    
SUNDAY  
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 64 TO 74.    
SUNDAY NIGHT THROUGH TUESDAY  
MOSTLY CLEAR. LOWS 44 TO 51.  
HIGHS 64 TO 76.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 47 TO 53.    
WEDNESDAY  
SUNNY. HIGHS 66 TO 76.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS 46 TO 52.  
HIGHS 62 TO 72.  
 
 
 
MTZ302-211000-  
NORTHERN HIGH PLAINS-  
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE AFTER MIDNIGHT.  
HIGHS IN THE LOWER 80S. LOWS 50 TO 55. NORTHWEST WINDS 5 TO  
15 MPH.    
FRIDAY  
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS AROUND  
80. NORTHWEST WINDS UP TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST  
WINDS UP TO 10 MPH.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS UP  
TO 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. HIGHS 73 TO 79.    
SUNDAY NIGHT THROUGH MONDAY NIGHT  
MOSTLY CLEAR. LOWS AROUND  
50. HIGHS IN THE MID 70S.    
TUESDAY THROUGH THURSDAY  
PARTLY CLOUDY. HIGHS IN THE MID 70S.  
LOWS IN THE LOWER 50S.  
 
 
 
MTZ308-211000-  
SOUTHERN HIGH PLAINS-  
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE. HIGHS IN THE UPPER  
80S. LOWS IN THE MID 50S. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS  
TO AROUND 25 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS UP TO  
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS  
UP TO 10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING, THEN MOSTLY SUNNY WITH  
A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE MID 80S. SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE SOUTH IN  
THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 50S. SOUTHWEST WINDS UP TO 10 MPH.    
SUNDAY  
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT THROUGH TUESDAY  
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS AROUND 80.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S.    
WEDNESDAY  
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. HIGHS IN THE LOWER 80S.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE UPPER 70S.  
 
 
 
MTZ303-211000-  
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-  
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. PATCHY SMOKE. HIGHS IN THE MID  
80S. LOWS IN THE LOWER 50S. NORTHWEST WINDS UP TO 15 MPH.    
FRIDAY  
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN THE  
LOWER 80S. NORTH WINDS UP TO 10 MPH SHIFTING TO THE SOUTHEAST IN  
THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST  
WINDS UP TO 10 MPH.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE MID 80S. SOUTHEAST WINDS UP TO 10 MPH  
INCREASING TO 10 TO 15 MPH IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 50S. SOUTH WINDS 5 TO 15 MPH SHIFTING TO  
THE SOUTHWEST 5 TO 10 MPH AFTER MIDNIGHT.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 80.    
SUNDAY NIGHT THROUGH TUESDAY  
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS IN THE UPPER 70S.    
TUESDAY NIGHT THROUGH THURSDAY  
PARTLY CLOUDY. LOWS IN THE  
LOWER 50S. HIGHS IN THE UPPER 70S.  
 
 
TEMPERATURE / PRECIPITATION  
 
CUT BANK 52 81 54 84 / 0 0 0 10  
 
 
 
MTZ304-211000-  
EASTERN TOOLE AND LIBERTY-  
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,  
LOTHAIR, AND WHITLASH  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. PATCHY SMOKE IN THE AFTERNOON.  
HIGHS 82 TO 88. LOWS IN THE MID 50S. NORTH WINDS UP TO 15 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. NORTH WINDS UP TO  
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS  
5 TO 10 MPH.    
SATURDAY  
PARTLY SUNNY. HIGHS 83 TO 89. SOUTHEAST WINDS 5 TO  
15 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH  
SHIFTING TO THE SOUTHWEST AFTER MIDNIGHT.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 82 TO 88.    
SUNDAY NIGHT THROUGH TUESDAY  
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS 75 TO 81.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID  
50S. HIGHS 79 TO 85.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS 74 TO 80.  
 
 
 
MTZ305-211000-  
HILL COUNTY-  
INCLUDING THE CITY OF HAVRE  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. PATCHY SMOKE EARLY IN THE  
EVENING. HIGHS IN THE UPPER 80S. LOWS IN THE MID 50S. NORTHEAST  
WINDS UP TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. EAST WINDS 5 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS  
5 TO 15 MPH.    
SATURDAY  
PARTLY SUNNY. HIGHS AROUND 90. SOUTHEAST WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 50S. SOUTHEAST WINDS 5 TO 15 MPH.  
GUSTS UP TO 30 MPH IN THE EVENING.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 80S.    
SUNDAY NIGHT  
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN SHOWERS  
IN THE EVENING. LOWS IN THE MID 50S.    
MONDAY THROUGH TUESDAY  
MOSTLY CLEAR. HIGHS IN THE LOWER 80S.  
LOWS IN THE LOWER 50S.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID  
50S. HIGHS IN THE MID 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS AROUND 80.  
 
 
TEMPERATURE / PRECIPITATION  
 
HAVRE 55 89 58 93 / 0 0 0 0  
 
 
 
MTZ306-211000-  
NORTHERN BLAINE COUNTY-  
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,  
AND FORT BELKNAP  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S. LOWS IN  
THE MID 50S. NORTHEAST WINDS UP TO 15 MPH.    
FRIDAY  
SUNNY. HIGHS IN THE MID 80S. EAST WINDS 5 TO 15 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS  
5 TO 15 MPH.    
SATURDAY  
BREEZY. PARTLY SUNNY. HIGHS IN THE UPPER 80S.  
SOUTHEAST WINDS 10 TO 25 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE LOWER 60S. SOUTHEAST WINDS 10 TO 20 MPH WITH  
GUSTS TO AROUND 35 MPH.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE LOWER 90S.    
SUNDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.    
MONDAY THROUGH TUESDAY  
MOSTLY CLEAR. HIGHS IN THE LOWER 80S.  
LOWS IN THE LOWER 50S.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE MID  
50S. HIGHS IN THE MID 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE MID 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 
 
 
MTZ309-211000-  
EASTERN PONDERA AND EASTERN TETON-  
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE. HIGHS IN THE UPPER  
80S. LOWS IN THE MID 50S. NORTHWEST WINDS UP TO 15 MPH.    
FRIDAY  
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN THE  
MID 80S. NORTH WINDS 5 TO 10 MPH SHIFTING TO THE EAST IN THE  
AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS UP TO 10 MPH.    
SATURDAY  
MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY  
SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS UP TO 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S.    
SUNDAY NIGHT THROUGH TUESDAY  
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.    
WEDNESDAY AND WEDNESDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT  
CHANCE OF RAIN SHOWERS. HIGHS IN THE LOWER 80S. LOWS IN THE LOWER  
50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 
 
 
MTZ310-211000-  
WESTERN AND CENTRAL CHOUTEAU COUNTY-  
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE. HIGHS AROUND 90.  
LOWS IN THE UPPER 50S. NORTHEAST WINDS UP TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTHWEST WINDS  
UP TO 5 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS  
5 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE LOWER 90S. SOUTHEAST WINDS  
5 TO 15 MPH. GUSTS UP TO 35 MPH IN THE MORNING.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 60S. SOUTH WINDS  
UP TO 10 MPH. GUSTS UP TO 25 MPH IN THE EVENING.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 90.    
SUNDAY NIGHT  
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN SHOWERS  
IN THE EVENING. LOWS IN THE MID 50S.    
MONDAY THROUGH TUESDAY  
MOSTLY CLEAR. HIGHS IN THE LOWER 80S.  
LOWS IN THE MID 50S.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER  
50S. HIGHS IN THE MID 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 
 
 
MTZ311-211000-  
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-  
INCLUDING THE CITY OF ROCKY BOY  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. PATCHY SMOKE IN THE EVENING.  
HIGHS 84 TO 90. LOWS 56 TO 61. EAST WINDS UP TO 10 MPH.    
FRIDAY  
SUNNY. HIGHS 82 TO 88. EAST WINDS UP TO 10 MPH.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 60S. EAST WINDS  
5 TO 15 MPH. GUSTS UP TO 30 MPH AFTER MIDNIGHT.    
SATURDAY  
PARTLY SUNNY. HIGHS 85 TO 91. SOUTHEAST WINDS 10 TO  
20 MPH WITH GUSTS TO AROUND 35 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE LOWER 60S. SOUTHEAST WINDS  
10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTH  
AFTER MIDNIGHT.    
SUNDAY AND SUNDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS. HIGHS 86 TO 92. LOWS IN THE UPPER 50S.    
MONDAY THROUGH TUESDAY  
MOSTLY CLEAR. HIGHS 77 TO 85. LOWS IN  
THE MID 50S.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER  
50S. HIGHS 81 TO 87.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS 77 TO 83.  
 
 
 
MTZ312-211000-  
CASCADE COUNTY BELOW 5000FT-  
INCLUDING THE CITY OF GREAT FALLS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE. PATCHY SMOKE AFTER  
MIDNIGHT. HIGHS IN THE LOWER 90S. LOWS IN THE MID 50S. WEST WINDS  
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
FRIDAY  
PARTLY SUNNY IN THE MORNING THEN CLEARING. HIGHS IN THE  
UPPER 80S. WEST WINDS UP TO 5 MPH SHIFTING TO THE NORTHEAST IN  
THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS 5 TO 10 MPH SHIFTING TO  
THE SOUTHEAST AFTER MIDNIGHT.    
SATURDAY  
PARTLY SUNNY. HIGHS AROUND 90. SOUTH WINDS UP TO  
10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 15 MPH.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 80S.    
SUNDAY NIGHT THROUGH TUESDAY  
MOSTLY CLEAR. LOWS IN THE MID  
50S. HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.    
WEDNESDAY  
SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. HIGHS IN THE MID 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 
 
TEMPERATURE / PRECIPITATION  
 
GREAT FALLS ARPT 56 87 58 90 / 0 0 0 10  
 
 
 
MTZ313-211000-  
JUDITH BASIN COUNTY AND JUDITH GAP-  
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,  
BENCHLAND, HOBSON, AND MOCCASIN  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE. PATCHY SMOKE IN  
THE LATE EVENING AND OVERNIGHT. HIGHS IN THE UPPER 80S. LOWS  
53 TO 59. SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND  
25 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS UP  
TO 10 MPH SHIFTING TO THE NORTHEAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS 5 TO 15 MPH SHIFTING TO  
THE SOUTHEAST WITH GUSTS TO AROUND 30 MPH AFTER MIDNIGHT.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS  
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 50S. SOUTHWEST  
WINDS 5 TO 15 MPH.    
SUNDAY  
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S. CHANCE  
OF PRECIPITATION 40 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLEAR. A 20 PERCENT CHANCE OF RAIN SHOWERS  
IN THE EVENING. LOWS IN THE MID 50S.    
MONDAY  
SUNNY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT THROUGH THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE LOWER  
80S.  
 
 
 
MTZ314-211000-  
FERGUS COUNTY BELOW 4500FT-  
INCLUDING THE CITIES OF HILGER AND LEWISTOWN  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE. HIGHS AROUND 90.  
LOWS 56 TO 62. SOUTHEAST WINDS UP TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTH WINDS UP TO  
10 MPH SHIFTING TO THE EAST IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 58 TO 64. EAST WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
SATURDAY  
PARTLY SUNNY. HIGHS AROUND 90. SOUTHEAST WINDS 5 TO  
20 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 60 TO 66. SOUTH WINDS 5 TO  
15 MPH.    
SUNDAY  
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 88 TO 94. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 56 TO 62.    
MONDAY  
SUNNY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 53 TO 59.    
TUESDAY  
SUNNY. HIGHS IN THE MID 80S.    
TUESDAY NIGHT THROUGH THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF RAIN SHOWERS. LOWS 54 TO 60. HIGHS IN THE MID 80S.  
 
 
TEMPERATURE / PRECIPITATION  
 
LEWISTOWN 54 85 56 89 / 0 0 0 0  
 
 
 
MTZ315-211000-  
UPPER BLACKFOOT AND MACDONALD PASS-  
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,  
AND MACDONALD PASS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE UNTIL LATE  
AFTERNOON. HIGHS 76 TO 86. LOWS 50 TO 60. NORTHWEST WINDS UP TO  
10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS 77 TO 87. NORTHEAST WINDS UP TO  
10 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS 54 TO 62. NORTHEAST WINDS UP TO  
10 MPH.    
SATURDAY  
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 75 TO 85. SOUTHEAST WINDS UP TO 5 MPH  
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS 52 TO 58. SOUTHWEST WINDS UP TO 10 MPH.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 70 TO 78.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS 46 TO 52. HIGHS  
69 TO 77.    
MONDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS 47 TO 55.    
TUESDAY  
SUNNY. HIGHS 71 TO 79.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 49 TO 55.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 71 TO 79.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS 48 TO 54.    
THURSDAY  
MOSTLY SUNNY. HIGHS 68 TO 76.  
 
 
 
MTZ316-211000-  
GATES OF THE MOUNTAINS-  
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE. HIGHS 84 TO 92.  
LOWS 54 TO 59. NORTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND  
25 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS 81 TO 89. NORTH WINDS UP TO 10 MPH.   
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST  
WINDS 5 TO 10 MPH SHIFTING TO THE NORTHWEST AFTER MIDNIGHT.    
SATURDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 82 TO 90. SOUTH WINDS UP TO 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO  
10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
SUNDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 77 TO 85.    
SUNDAY NIGHT THROUGH TUESDAY  
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS 76 TO 85.    
TUESDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE MID 50S.    
WEDNESDAY  
SUNNY. HIGHS 77 TO 85.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS  
IN THE MID 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS 74 TO 82.  
 
 
 
MTZ317-211000-  
LITTLE BELT AND HIGHWOOD MOUNTAINS-  
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE AFTER MIDNIGHT.  
PATCHY SMOKE. HIGHS 77 TO 85. LOWS 50 TO 60. SOUTHWEST WINDS UP  
TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS 76 TO 82. NORTHWEST WINDS UP TO  
5 MPH SHIFTING TO THE NORTHEAST WITH GUSTS TO AROUND 25 MPH IN  
THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS 55 TO 61. EAST WINDS 5 TO 10 MPH SHIFTING TO THE  
SOUTHEAST 5 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO 30 MPH.    
SATURDAY  
PARTLY SUNNY. HIGHS 76 TO 84. SOUTH WINDS 5 TO 10 MPH  
WITH GUSTS TO AROUND 25 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 53 TO 61.  
SOUTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE  
OF PRECIPITATION 30 PERCENT.    
SUNDAY  
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 73 TO 81. CHANCE OF  
PRECIPITATION 40 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS 49 TO 55. HIGHS  
69 TO 77.    
MONDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS 49 TO 55.    
TUESDAY THROUGH THURSDAY  
PARTLY CLOUDY WITH A 20 PERCENT  
CHANCE OF THUNDERSTORMS. HIGHS 69 TO 79. LOWS 50 TO 56.  
 
 
 
MTZ318-211000-  
SNOWY AND JUDITH MOUNTAINS-  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE. HIGHS 79 TO 87.  
LOWS 53 TO 60. SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS 76 TO 82. NORTHWEST WINDS UP TO  
10 MPH SHIFTING TO THE NORTHEAST WITH GUSTS TO AROUND 25 MPH IN  
THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS 55 TO 61. SOUTHEAST WINDS  
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
SATURDAY  
PARTLY SUNNY. HIGHS 77 TO 85. SOUTHEAST WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 57 TO 63. SOUTH WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 25 MPH.    
SUNDAY  
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 78 TO 86. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.    
MONDAY  
SUNNY. HIGHS 72 TO 78.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS 73 TO 79.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS  
IN THE MID 50S.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS 74 TO 82.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS 72 TO 78.  
 
 
 
MTZ319-211000-  
HELENA VALLEY-  
INCLUDING THE CITY OF HELENA  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. PATCHY SMOKE EARLY IN THE  
AFTERNOON. HIGHS IN THE LOWER 90S. LOWS 50 TO 57. WEST WINDS UP  
TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS AROUND 90. NORTHWEST WINDS UP TO  
5 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTH WINDS  
UP TO 10 MPH.    
SATURDAY  
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 80S.  
SOUTH WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS IN THE MID 50S. SOUTHWEST WINDS UP TO  
10 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
SUNDAY  
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. CHANCE  
OF PRECIPITATION 30 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE LOWER 50S.  
HIGHS IN THE LOWER 80S.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.    
TUESDAY  
SUNNY. HIGHS IN THE MID 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE LOWER 50S.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE LOWER 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 
 
TEMPERATURE / PRECIPITATION  
 
HELENA 55 91 60 89 / 0 0 10 30  
 
 
 
MTZ320-211000-  
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-  
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,  
BOZEMAN PASS, AND DEEP CREEK PASS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. PATCHY SMOKE EARLY IN THE  
AFTERNOON. HIGHS 76 TO 86. LOWS 52 TO 59. EAST WINDS UP TO 10 MPH  
WITH GUSTS TO AROUND 30 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS 77 TO 87. NORTH WINDS UP TO 10 MPH.  
GUSTS UP TO 25 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS  
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
SATURDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 75 TO 83. SOUTHEAST WINDS UP TO 10 MPH  
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID  
50S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
SUNDAY  
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 71 TO 81. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.    
MONDAY  
SUNNY. HIGHS 69 TO 79.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.  
HIGHS 70 TO 80.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE LOWER 50S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 71 TO 79.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE LOWER 50S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 68 TO 78.  
 
 
 
MTZ321-211000-  
MEAGHER COUNTY VALLEYS-  
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,  
AND WHITE SULPHUR SPRINGS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
MOSTLY CLEAR. PATCHY SMOKE EARLY IN THE  
AFTERNOON. HIGHS IN THE MID 80S. LOWS 49 TO 56. NORTHEAST WINDS  
UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS UP  
TO 10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.    
FRIDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE MID 50S. EAST WINDS 5 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.    
SATURDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTHEAST WINDS UP TO 10 MPH  
SHIFTING TO THE SOUTHWEST IN THE AFTERNOON. GUSTS UP TO 25 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER  
50S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION  
40 PERCENT.    
SUNDAY  
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE  
OF PRECIPITATION 40 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 70S.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.  
HIGHS IN THE UPPER 70S.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY. A 20 PERCENT CHANCE  
OF THUNDERSTORMS. LOWS AROUND 50. HIGHS AROUND 80.    
WEDNESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 40S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 70S.  
 
 
 
MTZ322-211000-  
ELKHORN AND BOULDER MOUNTAINS-  
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,  
WICKES, ELK PARK PASS, AND HOMESTAKE PASS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. PATCHY SMOKE. HIGHS 77 TO 87.  
LOWS 49 TO 60. NORTHWEST WINDS UP TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. PATCHY SMOKE IN THE MORNING. HIGHS 78 TO  
86. NORTHWEST WINDS UP TO 5 MPH SHIFTING TO THE NORTHEAST IN THE  
AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS AFTER MIDNIGHT. LOWS 54 TO 62. EAST WINDS UP TO 10 MPH.    
SATURDAY  
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 75 TO 83. SOUTH  
WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN PARTLY CLOUDY  
AFTER MIDNIGHT. LOWS 51 TO 57. SOUTHWEST WINDS UP TO 10 MPH.  
CHANCE OF PRECIPITATION 40 PERCENT.    
SUNDAY  
MOSTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 71 TO 79.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS 45 TO 53. HIGHS  
70 TO 78.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 48 TO 54.    
TUESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 71 TO 79.    
TUESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 49 TO 55.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 70 TO 78.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 46 TO 54.    
THURSDAY  
MOSTLY SUNNY. HIGHS 68 TO 76.  
 
 
 
MTZ323-211000-  
CANYON FERRY AREA-  
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S. LOWS  
51 TO 60. NORTH WINDS UP TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. NORTH WINDS UP TO  
5 MPH.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST  
WINDS UP TO 10 MPH.    
SATURDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS UP TO 10 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 54 TO 60.  
SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.   
SUNDAY  
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S. CHANCE  
OF PRECIPITATION 50 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 50S.    
MONDAY  
SUNNY. HIGHS AROUND 80.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 50S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE MID 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 
 
 
MTZ324-211000-  
MISSOURI HEADWATERS-  
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,  
PONY, AND WHITEHALL  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S. LOWS  
50 TO 58. WEST WINDS UP TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. WEST WINDS UP TO  
5 MPH SHIFTING TO THE NORTHEAST IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST  
WINDS UP TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.  
LOWS IN THE MID 50S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF  
PRECIPITATION 50 PERCENT.    
SUNDAY  
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.    
MONDAY  
SUNNY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS  
IN THE LOWER 50S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.    
THURSDAY  
MOSTLY SUNNY. HIGHS AROUND 80.  
 
 
 
MTZ325-211000-  
MADISON RIVER VALLEY-  
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,  
AND NORRIS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S. LOWS  
49 TO 59. SOUTH WINDS UP TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS UP TO  
5 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHEAST  
WINDS UP TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S. SOUTH WINDS  
UP TO 10 MPH. CHANCE OF PRECIPITATION 60 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 51 TO 57.  
SOUTH WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SUNDAY  
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.    
MONDAY  
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 80.    
MONDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 48 TO 54.    
TUESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 48 TO 54.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 80S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.  
CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 70S.  
 
 
 
MTZ326-211000-  
GALLATIN VALLEY-  
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. HIGHS IN THE UPPER 80S. LOWS  
50 TO 58. SOUTHEAST WINDS UP TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 80S. SOUTH WINDS UP TO  
5 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS  
UP TO 15 MPH.    
SATURDAY  
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 80S.  
SOUTHEAST WINDS UP TO 5 MPH SHIFTING TO THE SOUTHWEST IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE MID  
50S. SOUTH WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
SUNDAY  
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 80S.    
SUNDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.    
MONDAY  
SUNNY. HIGHS IN THE LOWER 80S.    
MONDAY NIGHT  
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING, THEN MOSTLY CLOUDY AFTER MIDNIGHT. LOWS  
IN THE LOWER 50S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER 50S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 80.  
 
 
TEMPERATURE / PRECIPITATION  
 
BOZEMAN AIRPORT 52 91 55 88 / 0 0 10 30  
BOZEMAN MSU 55 89 58 86 / 0 0 10 40  
 
 
 
MTZ330-211000-  
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-  
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,  
AND RAYNOLDS PASS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. HIGHS 73 TO 83. LOWS 46 TO 58.  
SOUTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS 75 TO 85. WEST WINDS UP TO 5 MPH  
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. LOWS 53 TO 59. NORTHEAST WINDS UP  
TO 10 MPH SHIFTING TO THE SOUTHEAST AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 70 TO 80. SOUTH WINDS UP TO  
15 MPH. CHANCE OF PRECIPITATION 60 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 48 TO 54.  
SOUTH WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SUNDAY  
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH  
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 66 TO 76. CHANCE OF PRECIPITATION 60 PERCENT.    
SUNDAY NIGHT  
PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 45 TO 51.    
MONDAY  
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 65 TO 75.    
MONDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 45 TO 51. CHANCE OF  
PRECIPITATION 40 PERCENT.    
TUESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 66 TO 76.    
TUESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 45 TO 51.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 66 TO 76.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 45 TO 51.  
CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 64 TO 74.  
 
 
TEMPERATURE / PRECIPITATION  
 
WEST YELLOWSTONE 42 88 47 81 / 0 0 10 50  
 
 
 
MTZ327-211000-  
NORTHWEST BEAVERHEAD COUNTY-  
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,  
AND CHIEF JOSEPH PASS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. PATCHY SMOKE AFTER MIDNIGHT.  
PATCHY SMOKE EARLY IN THE MORNING. HIGHS 75 TO 85. LOWS 43 TO 58.  
WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
FRIDAY  
MOSTLY SUNNY. PATCHY SMOKE IN THE MORNING. HIGHS 77 TO  
87. SOUTHWEST WINDS UP TO 5 MPH SHIFTING TO THE NORTH IN THE  
AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE  
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS  
51 TO 59. EAST WINDS UP TO 10 MPH. CHANCE OF SHOWERS 40 PERCENT.    
SATURDAY  
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 71 TO 81. SOUTH WINDS UP TO  
10 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
COLDER. MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS 44 TO 54.  
SOUTH WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
SUNDAY  
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 67 TO 77.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLEAR. LOWS 39 TO 49. HIGHS  
67 TO 77.    
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS 41 TO 51.    
TUESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 68 TO 78.    
TUESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 41 TO 51.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 67 TO 77.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS 40 TO 50.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 65 TO 75.  
 
 
 
MTZ328-211000-  
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-  
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. HIGHS 84 TO 90. LOWS 49 TO 57.  
SOUTHWEST WINDS UP TO 10 MPH.    
FRIDAY  
MOSTLY SUNNY. HIGHS 85 TO 91. SOUTHWEST WINDS UP TO  
5 MPH SHIFTING TO THE NORTHEAST IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH  
SHIFTING TO THE SOUTH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 79 TO 85. SOUTH WINDS UP TO  
10 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER  
50S. SOUTHWEST WINDS UP TO 10 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
SUNDAY  
MOSTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 77 TO 83.    
SUNDAY NIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 40S.    
MONDAY  
SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 76 TO 82.    
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 50.    
TUESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 76 TO 82.    
TUESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS AROUND 50.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 76 TO 82.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 75 TO 81.  
 
 
TEMPERATURE / PRECIPITATION  
 
DILLON 51 89 55 84 / 0 0 20 50  
 
 
 
MTZ329-211000-  
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-  
INCLUDING THE CITY OF MONIDA PASS  
1232 AM MDT THU AUG 20 2026  
   
REST OF TONIGHT  
PARTLY CLOUDY. HIGHS 77 TO 85. LOWS 50 TO 58.  
SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
FRIDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS 78 TO 86. SOUTHWEST WINDS UP TO 5 MPH  
SHIFTING TO THE NORTHEAST IN THE AFTERNOON.    
FRIDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE  
EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. LOWS  
IN THE UPPER 50S. NORTHEAST WINDS UP TO 10 MPH SHIFTING TO THE  
SOUTH AFTER MIDNIGHT. CHANCE OF SHOWERS 40 PERCENT.    
SATURDAY  
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 72 TO 80. SOUTH WINDS 5 TO  
15 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. LOWS IN THE LOWER  
50S. WEST WINDS 5 TO 10 MPH SHIFTING TO THE SOUTH AFTER MIDNIGHT.  
CHANCE OF PRECIPITATION 50 PERCENT.    
SUNDAY  
PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 69 TO 77.    
SUNDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
MONDAY  
MOSTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 68 TO 76.    
MONDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.    
TUESDAY  
PARTLY SUNNY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 68 TO 76.    
TUESDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE EVENING. LOWS IN THE UPPER 40S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 69 TO 77.    
WEDNESDAY NIGHT AND THURSDAY  
MOSTLY CLOUDY. A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS 67 TO 75.  
 
 
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