092  
FPUS55 KTFX 200633  
ZFPTFX  
 
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
1232 AM MDT MON APR 20 2026  
 
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION  
ARE FOR .TONIGHT THROUGH TODAY..., TUESDAY, TUESDAY NIGHT, AND  
WEDNESDAY.  
 
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 MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 52 TO 64. LOWS 35 TO 45.  
SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
TUESDAY
 
WARMER. MOSTLY SUNNY. HIGHS 60 TO 70. SOUTHWEST WINDS  
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN.  
LOWS 37 TO 43. WEST WINDS UP TO 10 MPH.    
WEDNESDAY
 
COOLER. PARTLY SUNNY WITH CHANCE OF RAIN SHOWERS IN  
THE MORNING, THEN RAIN SHOWERS, SLIGHT CHANCE OF THUNDERSTORMS  
AND SNOW SHOWERS IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS.  
HIGHS 44 TO 54. NORTH WINDS 5 TO 15 MPH INCREASING TO 15 TO  
20 MPH WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION NEAR 100 PERCENT.    
WEDNESDAY NIGHT
 
WINDY, COLDER. SNOW SHOWERS AND RAIN SHOWERS  
IN THE EVENING, THEN SNOW AFTER MIDNIGHT. SNOW MAY BE HEAVY AT  
TIMES IN THE EVENING. HEAVY SNOW ACCUMULATIONS. LOWS IN THE MID  
20S. NORTH WINDS 15 TO 30 MPH. GUSTS UP TO 45 MPH INCREASING TO  
55 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
BREEZY, COLDER. SNOW LIKELY. LIGHT SNOW  
ACCUMULATIONS. HIGHS 28 TO 36. CHANCE OF SNOW 70 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT  
CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS 27 TO 35.    
FRIDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SNOW. LOWS AROUND 20. HIGHS 30 TO 40.    
MONDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
38 TO 46.  
 

 
 
MTZ307-211000-  
SOUTHERN ROCKY MOUNTAIN FRONT-  
INCLUDING THE CITY OF ROGERS PASS  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 56 TO 66. LOWS 35 TO 44.  
SOUTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
TUESDAY
 
WARMER. MOSTLY SUNNY. HIGHS 62 TO 72. SOUTHWEST WINDS  
UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 39 TO 45.  
WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY
 
PARTLY SUNNY WITH CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN RAIN SHOWERS, SLIGHT CHANCE OF THUNDERSTORMS AND  
SNOW SHOWERS IN THE AFTERNOON. HIGHS 49 TO 59. NORTHWEST WINDS  
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE WEST  
10 TO 20 MPH WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON. CHANCE  
OF PRECIPITATION NEAR 100 PERCENT.    
WEDNESDAY NIGHT
 
COLDER. SNOW, RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING, THEN SNOW AFTER MIDNIGHT. HEAVY  
SNOW ACCUMULATIONS. LOWS 23 TO 29. NORTHWEST WINDS 10 TO 20 MPH  
WITH GUSTS TO AROUND 55 MPH. CHANCE OF PRECIPITATION NEAR  
100 PERCENT.    
THURSDAY
 
COLDER, SNOW. MODERATE SNOW ACCUMULATIONS. HIGHS  
28 TO 36. CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
SNOW LIKELY. LIGHT SNOW  
ACCUMULATIONS. LOWS 17 TO 23. HIGHS 26 TO 36. CHANCE OF SNOW  
70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 15 TO 21.    
SATURDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 28 TO 38. CHANCE OF  
SNOW 30 PERCENT.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS 17 TO 23.    
SUNDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 32 TO 40. CHANCE OF  
SNOW 40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS 19 TO 25.    
MONDAY
 
NOT AS COOL. PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE  
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 37 TO 47.  
CHANCE OF SNOW 30 PERCENT.  
 

 
 
MTZ302-211000-  
NORTHERN HIGH PLAINS-  
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. LOWS  
37 TO 45. SOUTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS  
5 TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS  
5 TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.    
WEDNESDAY
 
WINDY, COOLER. MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN  
SHOWERS IN THE MORNING, THEN RAIN SHOWERS IN THE AFTERNOON. HIGHS  
55 TO 61. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH  
INCREASING TO NORTH 15 TO 30 MPH WITH GUSTS TO AROUND 45 MPH IN  
THE AFTERNOON. CHANCE OF SHOWERS 90 PERCENT.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS AND SNOW IN THE  
EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. LIGHT SNOW  
ACCUMULATIONS. SNOW LEVEL 4400 FEET. LOWS IN THE UPPER 20S.  
NORTHWEST WINDS 20 TO 35 MPH WITH GUSTS TO AROUND 55 MPH. CHANCE  
OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
WINDY, COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE  
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATIONS. HIGHS IN THE UPPER 30S. CHANCE OF SNOW 70 PERCENT.   
THURSDAY NIGHT AND FRIDAY
 
BREEZY. MOSTLY CLOUDY. A 50 PERCENT  
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 20.    
SATURDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE LOWER 40S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.    
SUNDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE LOWER 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 20S.    
MONDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS IN THE UPPER 40S.  
 

 
 
MTZ308-211000-  
SOUTHERN HIGH PLAINS-  
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. LOWS  
40 TO 46. SOUTHWEST WINDS UP TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS  
UP TO 10 MPH SHIFTING TO THE SOUTH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS  
5 TO 10 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.    
WEDNESDAY
 
BREEZY, COOLER. MOSTLY SUNNY WITH SLIGHT CHANCE OF  
RAIN SHOWERS IN THE MORNING, THEN CLOUDY WITH RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID  
60S. NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH  
INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS, SLIGHT CHANCE OF  
THUNDERSTORMS AND SNOW IN THE EVENING, THEN SNOW AND RAIN AFTER  
MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS AROUND 30. NORTHWEST  
WINDS 15 TO 30 MPH. GUSTS UP TO 50 MPH INCREASING TO 60 MPH AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. SNOW LIKELY. LIGHT SNOW  
ACCUMULATIONS. HIGHS AROUND 40. CHANCE OF SNOW 70 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
BREEZY. MOSTLY CLOUDY. A 50 PERCENT  
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS AROUND 40.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER 40S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 20S.    
SUNDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN  
THE MID 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS IN THE LOWER 50S.  
 

 
 
MTZ303-211000-  
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-  
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. LOWS  
36 TO 43. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS  
UP TO 15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST  
WINDS 5 TO 15 MPH SHIFTING TO THE NORTH 5 TO 10 MPH AFTER  
MIDNIGHT.    
WEDNESDAY
 
WINDY, COOLER. PARTLY SUNNY. SLIGHT CHANCE OF RAIN  
SHOWERS IN THE MORNING, THEN RAIN SHOWERS LIKELY IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH  
WITH GUSTS TO AROUND 30 MPH INCREASING TO NORTH 15 TO 30 MPH WITH  
GUSTS TO AROUND 45 MPH IN THE AFTERNOON. CHANCE OF SHOWERS  
70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE  
OF SNOW SHOWERS IN THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT.  
LIGHT SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S. NORTHWEST WINDS  
25 TO 35 MPH WITH GUSTS TO AROUND 55 MPH. CHANCE OF PRECIPITATION  
90 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. MOSTLY CLOUDY WITH A 50 PERCENT  
CHANCE OF SNOW. HIGHS IN THE LOWER 40S.    
THURSDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW. LOWS IN THE MID 20S.    
FRIDAY
 
WINDY. PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING,  
THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON. HIGHS IN THE UPPER  
30S. CHANCE OF SNOW 40 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE  
LOWER 20S. HIGHS IN THE MID 40S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.  
 

 
TEMPERATURE / PRECIPITATION  
 
CUT BANK 38 78 43 61 / 0 0 0 60  
 

 
 
MTZ304-211000-  
EASTERN TOOLE AND LIBERTY-  
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,  
LOTHAIR, AND WHITLASH  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. LOWS  
35 TO 46. WEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS UP TO 5 MPH  
SHIFTING TO THE SOUTH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. EAST WINDS  
5 TO 15 MPH.    
WEDNESDAY
 
BREEZY. PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN  
SHOWERS IN THE AFTERNOON. HIGHS 64 TO 70. NORTH WINDS 5 TO 10 MPH  
WITH GUSTS TO AROUND 25 MPH INCREASING TO NORTHWEST 15 TO 25 MPH  
WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE  
OF SNOW IN THE EVENING, THEN SNOW AND RAIN LIKELY AFTER MIDNIGHT.  
LIGHT SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S. NORTHWEST WINDS  
20 TO 30 MPH WITH GUSTS TO AROUND 60 MPH. CHANCE OF PRECIPITATION  
90 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE  
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF SNOW 70 PERCENT.   
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW.  
LOWS IN THE MID 20S.    
FRIDAY
 
BREEZY. PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS 36 TO 42.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 40S.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
20S. HIGHS 43 TO 49.    
SUNDAY NIGHT AND MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 20S.  
HIGHS IN THE LOWER 50S.  
 

 
 
MTZ305-211000-  
HILL COUNTY-  
INCLUDING THE CITY OF HAVRE  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
MOSTLY CLEAR. HIGHS IN THE LOWER 70S. LOWS  
37 TO 43. SOUTHWEST WINDS UP TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS UP TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. EAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH  
SHIFTING TO THE NORTHWEST 10 TO 20 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS IN THE EVENING,  
THEN RAIN LIKELY AND SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS  
IN THE LOWER 30S. NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO  
AROUND 45 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE  
MORNING, THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON. LIGHT  
SNOW ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY NIGHT
 
BREEZY. MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN  
IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE  
MID 20S. CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY
 
WINDY. PARTLY SUNNY WITH A 40 PERCENT CHANCE OF SNOW.  
HIGHS AROUND 40.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE  
OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE  
MID 20S. HIGHS IN THE MID 40S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.  
 

 
TEMPERATURE / PRECIPITATION  
 
HAVRE 40 84 48 74 / 0 0 10 30  
 

 
 
MTZ306-211000-  
NORTHERN BLAINE COUNTY-  
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,  
AND FORT BELKNAP  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS AROUND 70. LOWS 36 TO 43.  
SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS  
UP TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING, THEN MOSTLY CLOUDY  
WITH A 20 PERCENT CHANCE OF RAIN AFTER MIDNIGHT. LOWS IN THE  
UPPER 40S. EAST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
PARTLY SUNNY. A 40 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE MID 70S. EAST WINDS 5 TO 15 MPH  
SHIFTING TO THE WEST 10 TO 20 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS LIKELY IN THE  
EVENING, THEN RAIN AND SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS  
IN THE LOWER 30S. NORTHWEST WINDS 20 TO 30 MPH. GUSTS UP TO  
45 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION 90 PERCENT.    
THURSDAY
 
VERY WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW AND RAIN  
LIKELY IN THE MORNING, THEN CHANCE OF SNOW AND RAIN IN THE  
AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE LOWER 40S.  
CHANCE OF PRECIPITATION 70 PERCENT.    
THURSDAY NIGHT
 
WINDY. MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN  
IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE  
MID 20S. CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY
 
WINDY. PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS IN THE UPPER 30S.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE  
OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 20S.    
MONDAY
 
MOSTLY SUNNY. HIGHS AROUND 50.  
 

 
 
MTZ309-211000-  
EASTERN PONDERA AND EASTERN TETON-  
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE MID 70S. LOWS  
36 TO 42. SOUTHWEST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS UP TO  
10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST  
WINDS 5 TO 10 MPH SHIFTING TO THE NORTHEAST AFTER MIDNIGHT.    
WEDNESDAY
 
BREEZY, COOLER. MOSTLY SUNNY IN THE MORNING, THEN  
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. NORTHWEST  
WINDS 5 TO 10 MPH INCREASING TO 15 TO 25 MPH IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS, SLIGHT CHANCE OF  
THUNDERSTORMS AND SNOW IN THE EVENING, THEN SNOW AFTER MIDNIGHT.  
LIGHT SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S. NORTHWEST WINDS  
20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION  
NEAR 100 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE  
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF SNOW 70 PERCENT.   
THURSDAY NIGHT AND FRIDAY
 
BREEZY. MOSTLY CLOUDY. A 40 PERCENT  
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE  
MID 20S. HIGHS IN THE UPPER 40S.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.  
 

 
 
MTZ310-211000-  
WESTERN AND CENTRAL CHOUTEAU COUNTY-  
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE MID 70S. LOWS  
36 TO 45. SOUTHWEST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS  
UP TO 5 MPH SHIFTING TO THE SOUTHEAST IN THE AFTERNOON.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHEAST WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
PARTLY SUNNY. RAIN SHOWERS LIKELY IN THE AFTERNOON.  
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO 10 MPH SHIFTING TO  
THE WEST 10 TO 20 MPH IN THE AFTERNOON. CHANCE OF SHOWERS  
70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER  
MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN THE LOWER 30S.  
NORTHWEST WINDS 15 TO 30 MPH. GUSTS UP TO 45 MPH INCREASING TO  
55 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. SNOW LIKELY IN THE MORNING, THEN  
SNOW AND RAIN LIKELY IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION  
70 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW AND RAIN IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.  
CHANCE OF PRECIPITATION 50 PERCENT.    
FRIDAY
 
BREEZY. PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS AROUND 40.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
IN THE MID 40S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.    
SUNDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE UPPER 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 20S.    
MONDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS IN THE LOWER 50S.  
 

 
 
MTZ311-211000-  
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-  
INCLUDING THE CITY OF ROCKY BOY  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. LOWS  
41 TO 48. SOUTH WINDS UP TO 10 MPH.    
TUESDAY
 
WARMER. MOSTLY SUNNY. HIGHS 76 TO 82. SOUTHWEST WINDS  
UP TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS 71 TO 77. SOUTH WINDS 5 TO 10 MPH SHIFTING  
TO THE WEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH IN THE  
AFTERNOON.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS IN THE EVENING,  
THEN RAIN AND SNOW AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS  
IN THE LOWER 30S. NORTHWEST WINDS 15 TO 30 MPH. GUSTS UP TO  
40 MPH INCREASING TO 55 MPH AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 90 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. SNOW AND RAIN LIKELY IN THE  
MORNING, THEN SNOW LIKELY IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION  
70 PERCENT.    
THURSDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE  
OF SNOW. LOWS IN THE MID 20S.    
FRIDAY
 
BREEZY. PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW.  
HIGHS IN THE UPPER 30S.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE  
OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE LOWER 40S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.    
SUNDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE MID 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 20S.    
MONDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS IN THE UPPER 40S.  
 

 
 
MTZ312-211000-  
CASCADE COUNTY BELOW 5000FT-  
INCLUDING THE CITY OF GREAT FALLS  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE MID 70S. LOWS  
39 TO 47. SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND  
25 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS UP TO  
10 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS 45 TO 51. SOUTH WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
BREEZY, COOLER. MOSTLY SUNNY IN THE MORNING, THEN  
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70. SOUTHWEST WINDS  
5 TO 10 MPH INCREASING TO WEST 15 TO 25 MPH IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS, SLIGHT CHANCE OF  
THUNDERSTORMS AND SNOW IN THE EVENING, THEN SNOW AND RAIN AFTER  
MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS AROUND 30. NORTHWEST  
WINDS 15 TO 30 MPH WITH GUSTS TO AROUND 50 MPH. CHANCE OF  
PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. SNOW IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS  
AROUND 40. CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE  
OF SNOW. LOWS IN THE MID 20S. HIGHS AROUND 40.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER 40S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 20S.    
SUNDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS IN  
THE MID 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS IN THE LOWER 50S.  
 

 
TEMPERATURE / PRECIPITATION  
 
GREAT FALLS ARPT 41 80 47 70 / 0 0 10 70  
 

 
 
MTZ313-211000-  
JUDITH BASIN COUNTY AND JUDITH GAP-  
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,  
BENCHLAND, HOBSON, AND MOCCASIN  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. LOWS  
39 TO 47. SOUTHWEST WINDS UP TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO  
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
BREEZY. MOSTLY SUNNY 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 10 TO 15 MPH SHIFTING TO THE SOUTHWEST 15 TO 25 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MUCH COLDER. RAIN SHOWERS, SLIGHT  
CHANCE OF THUNDERSTORMS AND SNOW IN THE EVENING, THEN RAIN AND  
SNOW AFTER MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS IN THE  
UPPER 20S. NORTHWEST WINDS 20 TO 35 MPH. GUSTS UP TO 45 MPH  
INCREASING TO 60 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR  
100 PERCENT.    
THURSDAY
 
VERY WINDY. MUCH COLDER. SNOW IN THE MORNING, THEN  
SNOW LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS  
IN THE UPPER 30S. CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. LOWS IN THE LOWER 20S.    
FRIDAY
 
WINDY. SNOW LIKELY. HIGHS IN THE MID 30S. CHANCE OF  
SNOW 70 PERCENT.    
FRIDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE  
LOWER 40S.    
MONDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS IN  
THE UPPER 40S. CHANCE OF PRECIPITATION 20 PERCENT.  
 

 
 
MTZ314-211000-  
FERGUS COUNTY BELOW 4500FT-  
INCLUDING THE CITIES OF HILGER AND LEWISTOWN  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. LOWS  
40 TO 48. SOUTH WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS  
UP TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST WINDS 5 TO  
15 MPH.    
WEDNESDAY
 
PARTLY SUNNY. A 50 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS 72 TO 78. SOUTHWEST WINDS 5 TO 10 MPH  
SHIFTING TO THE WEST 10 TO 20 MPH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SNOW AFTER  
MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN THE LOWER 30S. WEST  
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH SHIFTING TO THE  
NORTHWEST 20 TO 35 MPH WITH GUSTS TO AROUND 60 MPH AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
VERY WINDY. MUCH COLDER. SNOW AND RAIN LIKELY IN THE  
MORNING, THEN SNOW LIKELY IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. HIGHS 37 TO 43. CHANCE OF PRECIPITATION  
70 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
WINDY. MOSTLY CLOUDY. A 50 PERCENT  
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE UPPER 30S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE LOWER 40S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 20S.    
SUNDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE MID 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE MID 20S.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS 46 TO 52.  
 

 
TEMPERATURE / PRECIPITATION  
 
LEWISTOWN 42 79 49 72 / 0 10 10 60  
 

 
 
MTZ315-211000-  
UPPER BLACKFOOT AND MACDONALD PASS-  
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,  
AND MACDONALD PASS  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 62 TO 70. LOWS 39 TO 46.  
SOUTHWEST WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 67 TO 75. SOUTH WINDS UP TO  
10 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS UP TO 10 MPH WITH  
GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
PARTLY SUNNY WITH CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN CLOUDY WITH RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 54 TO 62. SOUTH WINDS UP TO  
10 MPH INCREASING TO SOUTHWEST 10 TO 20 MPH IN THE AFTERNOON.  
GUSTS UP TO 35 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
WEDNESDAY NIGHT
 
COLDER. RAIN SHOWERS, SNOW AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING, THEN SNOW AND RAIN AFTER  
MIDNIGHT. HEAVY SNOW ACCUMULATIONS. SNOW LEVEL 5800 FEET. LOWS  
26 TO 32. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
40 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
COLDER, SNOW. MODERATE SNOW ACCUMULATIONS. NEAR  
STEADY TEMPERATURE IN THE LOWER 30S. CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
SNOW LIKELY. LIGHT SNOW  
ACCUMULATIONS. LOWS IN THE LOWER 20S. HIGHS 29 TO 37. CHANCE OF  
SNOW 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS AROUND 20.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
32 TO 40.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING. LOWS IN THE LOWER 20S.    
SUNDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 34 TO 42. CHANCE OF  
SNOW 40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE MID 20S.    
MONDAY
 
NOT AS COOL. MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE  
MORNING, THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 41 TO 49. CHANCE OF PRECIPITATION 30 PERCENT.  
 

 
 
MTZ316-211000-  
GATES OF THE MOUNTAINS-  
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 68 TO 74. LOWS 41 TO 47.  
SOUTH WINDS UP TO 10 MPH WITH GUSTS TO AROUND 25 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 74 TO 80. SOUTH WINDS UP TO  
15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS UP TO 10 MPH  
WITH GUSTS TO AROUND 25 MPH.    
WEDNESDAY
 
COOLER. MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN  
SHOWERS IN THE MORNING, THEN CLOUDY WITH RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 61 TO 67. SOUTH  
WINDS UP TO 10 MPH INCREASING TO SOUTHWEST 10 TO 20 MPH WITH  
GUSTS TO AROUND 35 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
90 PERCENT.    
WEDNESDAY NIGHT
 
COLDER. RAIN SHOWERS, SLIGHT CHANCE OF  
THUNDERSTORMS AND SNOW IN THE EVENING, THEN SNOW AND RAIN AFTER  
MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS IN THE LOWER 30S.  
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 45 MPH. CHANCE  
OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
MUCH COLDER. SNOW IN THE MORNING, THEN SNOW LIKELY IN  
THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 35 TO 41.  
CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY WITH SNOW LIKELY.  
LIGHT SNOW ACCUMULATIONS. LOWS IN THE MID 20S. HIGHS 35 TO 41.  
CHANCE OF SNOW 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
38 TO 44.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE  
OF SNOW. LOWS IN THE MID 20S. HIGHS 40 TO 46.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS 46 TO 52.  
 

 
 
MTZ317-211000-  
LITTLE BELT AND HIGHWOOD MOUNTAINS-  
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 61 TO 69. LOWS 38 TO 47.  
SOUTH WINDS UP TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 67 TO 75. SOUTHWEST WINDS UP TO  
15 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS 46 TO 52. SOUTH WINDS 5 TO 15 MPH. GUSTS UP  
TO 35 MPH IN THE EVENING.    
WEDNESDAY
 
BREEZY. MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN  
SHOWERS IN THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 58 TO 66.  
SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO  
THE SOUTHWEST 10 TO 25 MPH WITH GUSTS TO AROUND 40 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.    
WEDNESDAY NIGHT
 
WINDY. MUCH COLDER. RAIN SHOWERS, SNOW AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SNOW AFTER  
MIDNIGHT. SNOW MAY BE HEAVY AT TIMES AFTER MIDNIGHT. HEAVY SNOW  
ACCUMULATIONS. SNOW LEVEL 5800 FEET. LOWS 23 TO 29. NORTHWEST  
WINDS 15 TO 30 MPH. GUSTS UP TO 45 MPH INCREASING TO 60 MPH AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. SNOW IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE  
MORNING. HEAVY SNOW ACCUMULATIONS. HIGHS 28 TO 34. CHANCE OF SNOW  
90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
SNOW LIKELY. LIGHT SNOW  
ACCUMULATIONS. LOWS 17 TO 23. HIGHS 26 TO 34. CHANCE OF SNOW  
70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,  
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 14 TO 20. CHANCE  
OF SNOW 40 PERCENT.    
SATURDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 31 TO 37. CHANCE OF  
SNOW 30 PERCENT.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS 16 TO 22.    
SUNDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 34 TO 40. CHANCE OF  
SNOW 40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS IN THE LOWER 20S.    
MONDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 39 TO 45. CHANCE OF  
SNOW 40 PERCENT.  
 

 
 
MTZ318-211000-  
SNOWY AND JUDITH MOUNTAINS-  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 64 TO 70. LOWS 39 TO 48.  
SOUTHWEST WINDS 5 TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 70 TO 76. SOUTHWEST WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 25 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN. LOWS AROUND 50. SOUTH  
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
WEDNESDAY
 
BREEZY. PARTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 63 TO 71. SOUTHWEST WINDS  
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO 15 TO  
25 MPH WITH GUSTS TO AROUND 40 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
VERY WINDY. MUCH COLDER. RAIN SHOWERS, SLIGHT  
CHANCE OF THUNDERSTORMS AND SNOW IN THE EVENING, THEN SNOW AND  
RAIN AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS IN THE UPPER  
20S. WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 50 MPH  
INCREASING TO NORTHWEST 25 TO 40 MPH WITH GUSTS TO AROUND 65 MPH  
AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
VERY WINDY. MUCH COLDER. SNOW IN THE MORNING, THEN  
SNOW LIKELY IN THE AFTERNOON. HEAVY SNOW ACCUMULATIONS. NEAR  
STEADY TEMPERATURE AROUND 30. CHANCE OF SNOW 80 PERCENT.    
THURSDAY NIGHT
 
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. LOWS IN THE LOWER 20S.    
FRIDAY
 
WINDY. MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,  
THEN SNOW LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS.  
HIGHS 28 TO 34. CHANCE OF SNOW 70 PERCENT.    
FRIDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS 32 TO 41.   
MONDAY
 
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
39 TO 45.  
 

 
 
MTZ319-211000-  
HELENA VALLEY-  
INCLUDING THE CITY OF HELENA  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE MID 70S. LOWS  
39 TO 44. SOUTH WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHEAST WINDS UP TO  
10 MPH. GUSTS UP TO 25 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS UP TO 15 MPH.    
WEDNESDAY
 
COOLER. MOSTLY SUNNY WITH SLIGHT CHANCE OF RAIN  
SHOWERS IN THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE  
UPPER 60S. SOUTH WINDS UP TO 10 MPH INCREASING TO SOUTHWEST 10 TO  
20 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 80 PERCENT.    
WEDNESDAY NIGHT
 
COLDER. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN RAIN AND SLIGHT CHANCE OF SNOW  
AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTHWEST WINDS 10 TO  
20 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
MUCH COLDER. SNOW AND RAIN IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE  
LOWER 40S. CHANCE OF PRECIPITATION 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY WITH A 50 PERCENT  
CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.    
FRIDAY NIGHT AND SATURDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE  
OF SNOW. LOWS IN THE LOWER 20S. HIGHS IN THE MID 40S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 20S.    
SUNDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS IN THE UPPER 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 20S.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 50S.  
 

 
TEMPERATURE / PRECIPITATION  
 
HELENA 42 81 46 67 / 0 0 0 80  
 

 
 
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 MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 61 TO 69. LOWS 38 TO 46.  
SOUTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 35 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 66 TO 74. SOUTH WINDS UP TO 10 MPH  
WITH GUSTS TO AROUND 30 MPH INCREASING TO 10 TO 15 MPH WITH GUSTS  
TO AROUND 40 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 40 MPH.    
WEDNESDAY
 
WINDY. 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  
55 TO 63. SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 45 MPH  
INCREASING TO SOUTHWEST 15 TO 30 MPH WITH GUSTS TO AROUND 55 MPH  
IN THE AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY. MUCH COLDER. RAIN SHOWERS, SNOW AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN SNOW AND RAIN  
AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. SNOW LEVEL 6000 FEET.  
LOWS 26 TO 32. WEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND  
65 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
BREEZY. MUCH COLDER. SNOW IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. NEAR STEADY  
TEMPERATURE IN THE LOWER 30S. CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
BREEZY. SNOW LIKELY. LIGHT SNOW  
ACCUMULATIONS. LOWS 19 TO 25. HIGHS 28 TO 38. CHANCE OF SNOW  
70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS AROUND 20.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
31 TO 41.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS IN THE LOWER 20S.    
SUNDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 34 TO 44. CHANCE OF  
SNOW 30 PERCENT.    
SUNDAY NIGHT AND MONDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF  
SNOW. LOWS IN THE MID 20S. HIGHS 40 TO 48.  
 

 
 
MTZ321-211000-  
MEAGHER COUNTY VALLEYS-  
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,  
AND WHITE SULPHUR SPRINGS  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE UPPER 60S. LOWS  
36 TO 42. SOUTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS UP TO  
10 MPH SHIFTING TO THE SOUTHWEST WITH GUSTS TO AROUND 35 MPH IN  
THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS 5 TO 15 MPH. GUSTS UP TO 35 MPH IN THE EVENING.    
WEDNESDAY
 
WINDY. MOSTLY SUNNY IN THE MORNING, THEN MOSTLY  
CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S. SOUTH WINDS  
10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH INCREASING TO SOUTHWEST  
15 TO 30 MPH WITH GUSTS TO AROUND 50 MPH IN THE AFTERNOON. CHANCE  
OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
WINDY, COLDER. RAIN SHOWERS, SLIGHT CHANCE OF  
THUNDERSTORMS AND SNOW IN THE EVENING, THEN SNOW AND RAIN AFTER  
MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S.  
WEST WINDS 15 TO 30 MPH. GUSTS UP TO 50 MPH INCREASING TO 60 MPH  
AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
WINDY. MUCH COLDER. SNOW IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS IN  
THE MID 30S. CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT
 
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF SNOW. LOWS IN THE LOWER 20S.    
FRIDAY
 
BREEZY. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN  
CHANCE OF SNOW IN THE AFTERNOON. HIGHS IN THE MID 30S. CHANCE OF  
SNOW 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS AROUND 20.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
AROUND 40.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE  
LOWER 40S.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS IN THE UPPER 40S.  
 

 
 
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 MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 61 TO 71. LOWS 37 TO 46.  
SOUTHWEST WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 64 TO 74. SOUTH WINDS UP TO 10 MPH  
INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 40 MPH IN THE  
AFTERNOON.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS 41 TO 47. SOUTH WINDS 5 TO  
15 MPH. GUSTS UP TO 40 MPH DECREASING TO 30 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
BREEZY. MOSTLY SUNNY WITH CHANCE OF RAIN SHOWERS IN  
THE MORNING, THEN MOSTLY CLOUDY WITH RAIN SHOWERS, SLIGHT CHANCE  
OF THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS 52 TO  
62. SOUTH WINDS 5 TO 15 MPH SHIFTING TO THE SOUTHWEST 10 TO  
25 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
WEDNESDAY NIGHT
 
COLDER. RAIN SHOWERS, SNOW AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING, THEN SNOW AND RAIN AFTER  
MIDNIGHT. HEAVY SNOW ACCUMULATIONS. SNOW LEVEL 6000 FEET. LOWS  
26 TO 32. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
55 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
COLDER. SNOW IN THE MORNING, THEN SNOW LIKELY IN THE  
AFTERNOON. MODERATE SNOW ACCUMULATIONS. NEAR STEADY TEMPERATURE  
IN THE LOWER 30S. CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY WITH SNOW LIKELY.  
LIGHT SNOW ACCUMULATIONS. LOWS 19 TO 25. HIGHS 29 TO 37. CHANCE  
OF SNOW 70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS 16 TO 22.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
32 TO 40.    
SATURDAY NIGHT AND SUNDAY
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE  
OF SNOW. LOWS 19 TO 25. HIGHS 35 TO 43.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS 22 TO 28.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS 41 TO 49.  
 

 
 
MTZ323-211000-  
CANYON FERRY AREA-  
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE MID 70S. LOWS  
40 TO 47. SOUTHEAST WINDS UP TO 10 MPH WITH GUSTS TO AROUND  
25 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS  
UP TO 10 MPH SHIFTING TO THE SOUTH WITH GUSTS TO AROUND 30 MPH IN  
THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 40 MPH SHIFTING TO THE  
SOUTHEAST 5 TO 15 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
WINDY, COOLER. MOSTLY SUNNY IN THE MORNING, THEN  
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. SOUTH  
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO  
SOUTHWEST 15 TO 30 MPH WITH GUSTS TO AROUND 45 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SLIGHT CHANCE OF  
SNOW AFTER MIDNIGHT. LOWS IN THE MID 30S. WEST WINDS 15 TO 25 MPH  
WITH GUSTS TO AROUND 40 MPH. CHANCE OF PRECIPITATION NEAR  
100 PERCENT.    
THURSDAY
 
BREEZY. MUCH COLDER. SNOW AND RAIN IN THE MORNING,  
THEN SNOW LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS.  
HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE  
OF SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE LOWER 40S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE MID 20S.    
SATURDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE MID 40S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 20S.    
SUNDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS IN  
THE UPPER 40S. CHANCE OF PRECIPITATION 20 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 30.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE LOWER 50S.  
 

 
 
MTZ324-211000-  
MISSOURI HEADWATERS-  
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,  
PONY, AND WHITEHALL  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE MID 70S. LOWS  
38 TO 45. SOUTHWEST WINDS UP TO 15 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS UP  
TO 5 MPH INCREASING TO 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH  
IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS 10 TO 15 MPH WITH  
GUSTS TO AROUND 35 MPH DECREASING TO UP TO 10 MPH WITH GUSTS TO  
AROUND 25 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
WINDY, COOLER. 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  
IN THE MID 60S. SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND  
35 MPH INCREASING TO 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH IN  
THE AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE EVENING, THEN RAIN AND SLIGHT CHANCE OF  
SNOW AFTER MIDNIGHT. LOWS IN THE MID 30S. WEST WINDS 10 TO 25 MPH  
WITH GUSTS TO AROUND 40 MPH. CHANCE OF PRECIPITATION NEAR  
100 PERCENT.    
THURSDAY
 
MUCH COLDER. SNOW AND RAIN IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE  
LOWER 40S. CHANCE OF PRECIPITATION 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE  
OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 40S.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 20S.    
SUNDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS IN THE UPPER 40S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S.    
MONDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE LOWER 50S.  
 

 
 
MTZ325-211000-  
MADISON RIVER VALLEY-  
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,  
AND NORRIS  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. LOWS  
38 TO 46. SOUTH WINDS 5 TO 20 MPH.    
TUESDAY
 
WINDY. MOSTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTH  
WINDS 5 TO 15 MPH INCREASING TO 15 TO 30 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
BREEZY. PARTLY CLOUDY. LOWS IN THE MID 40S.  
SOUTH WINDS 10 TO 25 MPH DECREASING TO 10 TO 15 MPH AFTER  
MIDNIGHT.    
WEDNESDAY
 
WINDY, COOLER. PARTLY SUNNY. CHANCE OF RAIN SHOWERS  
IN THE MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 56 TO 62. SOUTH WINDS 15 TO  
25 MPH INCREASING TO 25 TO 35 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 70 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY, COLDER. RAIN SHOWERS IN THE EVENING,  
THEN RAIN AND SNOW AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS  
IN THE LOWER 30S. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO  
AROUND 40 MPH SHIFTING TO THE WEST 10 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION NEAR  
100 PERCENT.    
THURSDAY
 
COLDER. SNOW AND RAIN IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE  
LOWER 40S. CHANCE OF PRECIPITATION 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE  
OF SNOW. LOWS IN THE LOWER 20S. HIGHS AROUND 40.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
IN THE LOWER 40S.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE MID  
40S.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS IN THE LOWER 50S.  
 

 
 
MTZ326-211000-  
GALLATIN VALLEY-  
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS IN THE LOWER 70S. LOWS  
36 TO 45. SOUTHEAST WINDS UP TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHEAST WINDS UP  
TO 5 MPH SHIFTING TO THE SOUTHWEST 5 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.    
WEDNESDAY
 
WINDY, COOLER. 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  
IN THE MID 60S. SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH INCREASING TO SOUTHWEST 15 TO 30 MPH WITH GUSTS TO AROUND  
45 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 60 PERCENT.    
WEDNESDAY NIGHT
 
COLDER. RAIN SHOWERS IN THE EVENING, THEN RAIN  
AND SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW  
ACCUMULATIONS. LOWS IN THE LOWER 30S. WEST WINDS 10 TO 20 MPH  
WITH GUSTS TO AROUND 35 MPH. CHANCE OF PRECIPITATION NEAR  
100 PERCENT.    
THURSDAY
 
MUCH COLDER. MOSTLY CLOUDY. SNOW AND RAIN IN THE  
MORNING, THEN CHANCE OF SNOW IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATIONS. HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION  
90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE  
OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE LOWER 40S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
IN THE MID 40S.    
SATURDAY NIGHT THROUGH SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF SNOW. LOWS IN THE MID 20S. HIGHS IN THE  
UPPER 40S.    
MONDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN AND SNOW IN  
THE AFTERNOON. HIGHS IN THE LOWER 50S.  
 

 
TEMPERATURE / PRECIPITATION  
 
BOZEMAN AIRPORT 37 78 44 65 / 0 0 10 60  
BOZEMAN MSU 41 76 47 64 / 0 0 10 60  
 

 
 
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 MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 53 TO 65. LOWS 31 TO 43.  
SOUTH WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 35 MPH.    
TUESDAY
 
BREEZY. MOSTLY SUNNY. HIGHS 55 TO 67. SOUTH WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH INCREASING TO 15 TO 25 MPH  
WITH GUSTS TO AROUND 45 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS 35 TO 43. SOUTH WINDS 10 TO 20 MPH. GUSTS UP TO  
45 MPH DECREASING TO 35 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
WINDY. MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SNOW SHOWERS IN THE MORNING, THEN SNOW SHOWERS WITH POSSIBLE  
SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. SNOW LEVEL 7600 FEET. HIGHS 41 TO 53. SOUTH WINDS  
15 TO 20 MPH INCREASING TO 15 TO 30 MPH IN THE AFTERNOON. GUSTS  
UP TO 55 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY, COLDER. SNOW SHOWERS IN THE EVENING,  
THEN SNOW AFTER MIDNIGHT. SNOW MAY BE HEAVY AT TIMES AFTER  
MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS 25 TO 31. SOUTHWEST  
WINDS 10 TO 25 MPH WITH GUSTS TO AROUND 45 MPH SHIFTING TO THE  
WEST 10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH AFTER MIDNIGHT.  
CHANCE OF SNOW NEAR 100 PERCENT.    
THURSDAY
 
SNOW IN THE MORNING, THEN SNOW LIKELY IN THE  
AFTERNOON. MODERATE SNOW ACCUMULATIONS. NEAR STEADY TEMPERATURE  
AROUND 30. CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
SNOW LIKELY. LIGHT SNOW  
ACCUMULATIONS. LOWS 16 TO 22. HIGHS 27 TO 37. CHANCE OF SNOW  
70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS 14 TO 20.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
30 TO 40.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW. LOWS 16 TO 22.    
SUNDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 33 TO 43. CHANCE OF  
SNOW 50 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS 19 TO 25.    
MONDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 36 TO 46. CHANCE OF  
SNOW 40 PERCENT.  
 

 
TEMPERATURE / PRECIPITATION  
 
WEST YELLOWSTONE 26 67 32 49 / 0 0 20 80  
 

 
 
MTZ327-211000-  
NORTHWEST BEAVERHEAD COUNTY-  
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,  
AND CHIEF JOSEPH PASS  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 57 TO 67. LOWS 33 TO 41.  
SOUTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 30 MPH.    
TUESDAY
 
MOSTLY SUNNY. HIGHS 59 TO 69. SOUTH WINDS UP TO 10 MPH  
WITH GUSTS TO AROUND 30 MPH INCREASING TO 10 TO 20 MPH WITH GUSTS  
TO AROUND 45 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AFTER  
MIDNIGHT. LOWS IN THE UPPER 30S. SOUTH WINDS 5 TO 15 MPH. GUSTS  
UP TO 40 MPH DECREASING TO 30 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
COOLER. RAIN SHOWERS AND SNOW SHOWERS LIKELY IN THE  
MORNING, THEN SNOW SHOWERS, RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. SNOW  
LEVEL 7500 FEET. HIGHS 43 TO 53. SOUTHEAST WINDS 5 TO 15 MPH  
SHIFTING TO THE SOUTHWEST 15 TO 20 MPH IN THE AFTERNOON. GUSTS UP  
TO 45 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
WEDNESDAY NIGHT
 
SNOW SHOWERS AND RAIN SHOWERS IN THE EVENING,  
THEN SNOW AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS IN THE  
UPPER 20S. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 45 MPH.  
CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
THURSDAY
 
SNOW. MODERATE SNOW ACCUMULATIONS. NEAR STEADY  
TEMPERATURE IN THE LOWER 30S. CHANCE OF SNOW 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
SNOW LIKELY. LIGHT SNOW  
ACCUMULATIONS. LOWS AROUND 20. HIGHS 30 TO 40. CHANCE OF SNOW  
70 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 19.    
SATURDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF SNOW. HIGHS  
32 TO 42.    
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW.  
LOWS AROUND 20.    
SUNDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 35 TO 45. CHANCE OF  
SNOW 40 PERCENT.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
MONDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW IN THE AFTERNOON. HIGHS 38 TO 48. CHANCE OF  
SNOW 30 PERCENT.  
 

 
 
MTZ328-211000-  
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-  
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
PARTLY CLOUDY. HIGHS 68 TO 74. LOWS 36 TO 43.  
SOUTH WINDS UP TO 15 MPH WITH GUSTS TO AROUND 35 MPH.    
TUESDAY
 
BREEZY. MOSTLY SUNNY. HIGHS 69 TO 75. SOUTH WINDS UP  
TO 10 MPH INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH  
IN THE AFTERNOON.    
TUESDAY NIGHT
 
BREEZY. PARTLY CLOUDY. LOWS IN THE MID 40S.  
SOUTH WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH DECREASING  
TO 5 TO 15 MPH AFTER MIDNIGHT.    
WEDNESDAY
 
WINDY, COOLER. PARTLY SUNNY. CHANCE OF RAIN SHOWERS  
IN THE MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS  
54 TO 60. SOUTH WINDS 10 TO 15 MPH INCREASING TO 20 TO 30 MPH IN  
THE AFTERNOON. GUSTS UP TO 45 MPH. CHANCE OF PRECIPITATION  
70 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY, COLDER. RAIN SHOWERS AND SLIGHT CHANCE  
OF SNOW IN THE EVENING, THEN RAIN AND SNOW AFTER MIDNIGHT. HEAVY  
SNOW ACCUMULATIONS. LOWS IN THE MID 30S. WEST WINDS 15 TO 25 MPH  
DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT. GUSTS UP TO 40 MPH.  
CHANCE OF PRECIPITATION 90 PERCENT.    
THURSDAY
 
COOLER. SNOW AND RAIN LIKELY IN THE MORNING, THEN  
SNOW LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS  
40 TO 46. CHANCE OF PRECIPITATION 70 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
MOSTLY CLOUDY. A 50 PERCENT CHANCE  
OF SNOW. LOWS IN THE MID 20S. HIGHS 38 TO 44.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER  
20S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS 41 TO 47.    
SATURDAY NIGHT
 
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE MID 20S.    
SUNDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS 44 TO 50.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S.    
MONDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS 48 TO 54.  
 

 
TEMPERATURE / PRECIPITATION  
 
DILLON 38 74 43 60 / 0 0 0 70  
 

 
 
MTZ329-211000-  
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-  
INCLUDING THE CITY OF MONIDA PASS  
1232 AM MDT MON APR 20 2026  
   
REST OF TONIGHT
 
BREEZY. PARTLY CLOUDY. HIGHS 58 TO 66. LOWS  
34 TO 42. SOUTH WINDS 5 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.    
TUESDAY
 
WINDY. MOSTLY SUNNY. HIGHS 59 TO 67. SOUTH WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 40 MPH INCREASING TO 20 TO 30 MPH  
WITH GUSTS TO AROUND 55 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
WINDY. PARTLY CLOUDY. A 20 PERCENT CHANCE OF  
RAIN AFTER MIDNIGHT. LOWS 37 TO 43. SOUTH WINDS 15 TO 30 MPH  
SHIFTING TO THE SOUTHEAST 10 TO 20 MPH AFTER MIDNIGHT. GUSTS UP  
TO 50 MPH.    
WEDNESDAY
 
WINDY, COOLER. PARTLY SUNNY WITH CHANCE OF RAIN  
SHOWERS AND SNOW SHOWERS IN THE MORNING, THEN CLOUDY WITH SNOW  
SHOWERS, RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. MODERATE SNOW ACCUMULATIONS. SNOW LEVEL 7400 FEET.  
HIGHS 43 TO 51. SOUTH WINDS 15 TO 25 MPH INCREASING TO 20 TO  
35 MPH IN THE AFTERNOON. GUSTS UP TO 50 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
WEDNESDAY NIGHT
 
BREEZY, COLDER. SNOW SHOWERS IN THE EVENING,  
THEN SNOW AFTER MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS  
AROUND 30. WEST WINDS 10 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.  
CHANCE OF SNOW 90 PERCENT.    
THURSDAY
 
BREEZY. SNOW IN THE MORNING, THEN SNOW LIKELY IN THE  
AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS 34 TO 40. CHANCE OF  
SNOW 90 PERCENT.    
THURSDAY NIGHT AND FRIDAY
 
BREEZY. MOSTLY CLOUDY. A 50 PERCENT  
CHANCE OF SNOW. LOWS IN THE LOWER 20S. HIGHS 31 TO 39.    
FRIDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 20.    
SATURDAY THROUGH SUNDAY
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE  
OF SNOW. HIGHS 34 TO 44. LOWS IN THE LOWER 20S.    
SUNDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE MID 20S.    
MONDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW IN THE  
AFTERNOON. HIGHS 40 TO 48.  
 

 
 
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