601  
FPUS55 KTFX 151007  
ZFPTFX  
 
ZONE FORECAST PRODUCT FOR CENTRAL AND SOUTHWEST MONTANA  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
407 AM MDT FRI MAY 15 2026  
 
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION  
ARE FOR TODAY, TONIGHT, AND SATURDAY.  
 
MTZ301-152200-  
EAST GLACIER PARK REGION-  
INCLUDING THE CITIES OF EAST GLACIER PARK, KIOWA, BABB,  
SAINT MARY, MARIAS PASS, AND LOGAN PASS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. SLIGHT CHANCE OF SNOW EARLY IN THE  
MORNING. CHANCE OF SNOW LATE IN THE MORNING, THEN SLIGHT CHANCE  
OF SNOW EARLY IN THE AFTERNOON. HIGHS 37 TO 49. WEST WINDS 20 TO  
30 MPH WITH GUSTS TO AROUND 60 MPH. CHANCE OF SNOW 50 PERCENT.    
TONIGHT  
WINDY. MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT CHANCE  
OF RAIN IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS  
27 TO 33. SOUTHWEST WINDS 15 TO 30 MPH. GUSTS UP TO 60 MPH  
DECREASING TO 50 MPH AFTER MIDNIGHT. CHANCE OF PRECIPITATION  
50 PERCENT.    
SATURDAY  
BREEZY. PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 34 TO 46. SOUTHWEST WINDS 10 TO 25 MPH WITH  
GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT  
CHANCE OF SNOW IN THE EVENING, THEN SNOW AFTER  
MIDNIGHT. MODERATE SNOW ACCUMULATIONS. LOWS 24 TO 30. WEST WINDS  
5 TO 15 MPH. GUSTS UP TO 30 MPH IN THE EVENING. CHANCE OF SNOW  
NEAR 100 PERCENT.    
SUNDAY  
BREEZY. MOSTLY CLOUDY. SNOW IN THE MORNING, THEN SNOW  
LIKELY IN THE AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 30 TO  
38. NORTH WINDS 10 TO 15 MPH INCREASING TO 10 TO 25 MPH IN THE  
AFTERNOON. GUSTS UP TO 40 MPH. CHANCE OF SNOW 90 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS 21 TO 27.    
MONDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN  
AND SNOW IN THE AFTERNOON. HIGHS 38 TO 48.    
MONDAY NIGHT  
PARTLY CLOUDY. LOWS 24 TO 30.    
TUESDAY  
NOT AS COOL. MOSTLY SUNNY. CHANCE OF SNOW SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 43 TO 55.  
CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN IN THE  
EVENING, THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW  
AFTER MIDNIGHT. LOWS 31 TO 37. CHANCE OF PRECIPITATION  
20 PERCENT.    
WEDNESDAY  
PARTLY SUNNY. SLIGHT CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS 46 TO 58.  
CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS 34 TO 40.    
THURSDAY  
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN IN THE MORNING,  
THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN IN THE AFTERNOON.  
HIGHS 48 TO 60. CHANCE OF PRECIPITATION 30 PERCENT.  
 
 
 
MTZ307-152200-  
SOUTHERN ROCKY MOUNTAIN FRONT-  
INCLUDING THE CITY OF ROGERS PASS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF SNOW EARLY  
IN THE MORNING. HIGHS 38 TO 50. WEST WINDS 15 TO 30 MPH. GUSTS UP  
TO 65 MPH DECREASING TO 55 MPH IN THE AFTERNOON.    
TONIGHT  
BREEZY. PARTLY CLOUDY. LOWS 27 TO 33. WEST WINDS 10 TO  
25 MPH WITH GUSTS TO AROUND 55 MPH DECREASING TO 5 TO 15 MPH WITH  
GUSTS TO AROUND 40 MPH AFTER MIDNIGHT.    
SATURDAY  
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW. HIGHS  
35 TO 47. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS 23 TO 29. WEST  
WINDS UP TO 15 MPH. GUSTS UP TO 35 MPH DECREASING TO 25 MPH AFTER  
MIDNIGHT. CHANCE OF SNOW 50 PERCENT.    
SUNDAY  
SNOW IN THE MORNING, THEN SNOW SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. HIGHS 30 TO 38. NORTH WINDS 5 TO 20 MPH WITH GUSTS  
TO AROUND 45 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,  
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 21 TO 27. CHANCE  
OF SNOW 50 PERCENT.    
MONDAY  
NOT AS COOL. PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE  
MORNING, THEN CHANCE OF SNOW SHOWERS, SLIGHT CHANCE OF RAIN AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 35 TO 45. CHANCE OF  
PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 22 TO 28.    
TUESDAY  
NOT AS COOL. MOSTLY SUNNY. CHANCE OF RAIN SHOWERS,  
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS 43 TO 53. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS 28 TO 34.    
WEDNESDAY  
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF RAIN AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 46 TO 58. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS 32 TO 38.  
HIGHS 49 TO 61.  
 
 
 
MTZ302-152200-  
NORTHERN HIGH PLAINS-  
INCLUDING THE CITIES OF BROWNING, HEART BUTTE, AND DUPUYER  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY, SUNNY. HIGHS IN THE MID 50S. WEST WINDS 25 TO  
35 MPH WITH GUSTS TO AROUND 60 MPH.    
TONIGHT  
BREEZY. MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS 15 TO 25 MPH  
WITH GUSTS TO AROUND 50 MPH SHIFTING TO THE SOUTHWEST 10 TO  
15 MPH WITH GUSTS TO AROUND 40 MPH AFTER MIDNIGHT.    
SATURDAY  
BREEZY. MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN  
THE AFTERNOON. HIGHS IN THE LOWER 50S. WEST WINDS 15 TO 25 MPH  
WITH GUSTS TO AROUND 40 MPH.    
SATURDAY NIGHT  
BREEZY. MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW  
IN THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. SNOW LEVEL  
4300 FEET. LOWS IN THE UPPER 20S. WEST WINDS 10 TO 25 MPH  
SHIFTING TO THE NORTHWEST 10 TO 15 MPH AFTER MIDNIGHT. CHANCE OF  
PRECIPITATION 70 PERCENT.    
SUNDAY  
WINDY, 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. NORTH WINDS 15 TO  
30 MPH WITH GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION  
70 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN  
THE EVENING, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN  
THE UPPER 20S. CHANCE OF PRECIPITATION 20 PERCENT.    
MONDAY  
MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS  
AROUND 50. CHANCE OF PRECIPITATION 20 PERCENT.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS AROUND 30. HIGHS  
IN THE UPPER 50S.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
WEDNESDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 40.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 60S.  
 
 
 
MTZ308-152200-  
SOUTHERN HIGH PLAINS-  
INCLUDING THE CITIES OF BYNUM, CHOTEAU, AND PENDROY  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY, SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 15 TO  
35 MPH. GUSTS UP TO 60 MPH DECREASING TO 50 MPH IN THE AFTERNOON.   
TONIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 30S. WEST WINDS 5 TO  
15 MPH. GUSTS UP TO 45 MPH DECREASING TO 35 MPH AFTER MIDNIGHT.    
SATURDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 50S. WEST WINDS 5 TO 15 MPH WITH  
GUSTS TO AROUND 35 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW  
IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE  
LOWER 30S. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SUNDAY  
WINDY, COLDER. SNOW IN THE MORNING, THEN SNOW AND RAIN  
LIKELY IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS IN THE  
LOWER 40S. NORTH WINDS 10 TO 30 MPH. CHANCE OF PRECIPITATION  
90 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF  
RAIN AND SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S.    
MONDAY NIGHT  
MOSTLY CLOUDY. LOWS AROUND 30.    
TUESDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 60S.  
 
 
 
MTZ303-152200-  
EASTERN GLACIER, WESTERN TOOLE, AND CENTRAL PONDERA-  
INCLUDING THE CITIES OF CUT BANK, ETHRIDGE, AND SANTA RITA  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY, SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS 25 TO  
35 MPH WITH GUSTS TO AROUND 50 MPH.    
TONIGHT  
BREEZY. MOSTLY CLOUDY. LOWS IN THE MID 30S. WEST WINDS  
15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH SHIFTING TO THE  
SOUTHWEST 10 TO 15 MPH WITH GUSTS TO AROUND 30 MPH AFTER  
MIDNIGHT.    
SATURDAY  
BREEZY. PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN  
THE AFTERNOON. HIGHS IN THE MID 50S. WEST WINDS 15 TO 25 MPH.    
SATURDAY NIGHT  
BREEZY. MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN  
THE EVENING, THEN SNOW LIKELY AND CHANCE OF RAIN AFTER MIDNIGHT.  
LOWS AROUND 30. NORTHWEST WINDS 10 TO 25 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
SUNDAY  
WINDY, COLDER. MOSTLY CLOUDY. SNOW LIKELY IN THE  
MORNING, THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON. SNOW  
LEVEL 3600 FEET. HIGHS IN THE MID 40S. NORTH WINDS 15 TO 30 MPH  
WITH GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN AND  
SNOW IN THE EVENING. LOWS IN THE UPPER 20S.    
MONDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 50S.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 30.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.    
WEDNESDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 60S.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS AROUND 40.  
HIGHS IN THE UPPER 60S.  
 
 
TEMPERATURE / PRECIPITATION  
 
CUT BANK 57 34 55 / 0 10 10  
 
 
 
MTZ304-152200-  
EASTERN TOOLE AND LIBERTY-  
INCLUDING THE CITIES OF DEVON, SHELBY, CHESTER, GALATA, JOPLIN,  
LOTHAIR, AND WHITLASH  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS AROUND 60. WEST WINDS 15 TO  
30 MPH WITH GUSTS TO AROUND 45 MPH.    
TONIGHT  
BREEZY. PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS 15 TO 25 MPH  
DECREASING TO 10 TO 15 MPH AFTER MIDNIGHT.    
SATURDAY  
PARTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS  
10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A 40 PERCENT CHANCE OF RAIN AND  
SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S. NORTHWEST WINDS 10 TO  
20 MPH.    
SUNDAY  
BREEZY, COLDER. RAIN AND SNOW LIKELY. LIGHT SNOW  
ACCUMULATIONS. HIGHS IN THE MID 40S. NORTH WINDS 15 TO 25 MPH  
WITH GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT CHANCE  
OF RAIN IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER  
MIDNIGHT. LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION  
30 PERCENT.    
MONDAY  
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN AND SNOW.  
HIGHS IN THE LOWER 50S.    
MONDAY NIGHT AND TUESDAY  
PARTLY CLOUDY. LOWS AROUND 30. HIGHS  
IN THE LOWER 60S.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
WEDNESDAY THROUGH THURSDAY  
PARTLY CLOUDY. HIGHS 65 TO 71. LOWS  
IN THE LOWER 40S.  
 
 
 
MTZ305-152200-  
HILL COUNTY-  
INCLUDING THE CITY OF HAVRE  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS  
20 TO 30 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS 10 TO  
20 MPH WITH GUSTS TO AROUND 35 MPH.    
SATURDAY  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. WEST WINDS 10 TO 15 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN  
AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO  
15 MPH.    
SUNDAY  
BREEZY, COOLER. RAIN LIKELY AND SLIGHT CHANCE OF SNOW  
IN THE MORNING, THEN RAIN AND SNOW LIKELY IN THE AFTERNOON. HIGHS  
IN THE MID 40S. NORTH WINDS 10 TO 25 MPH. CHANCE OF PRECIPITATION  
70 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE  
EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS  
IN THE UPPER 20S. CHANCE OF PRECIPITATION 50 PERCENT.    
MONDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN SLIGHT CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN  
THE LOWER 50S. CHANCE OF PRECIPITATION 20 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS AROUND 30.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 30S.    
WEDNESDAY THROUGH THURSDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER  
60S. LOWS IN THE LOWER 40S.  
 
 
TEMPERATURE / PRECIPITATION  
 
HAVRE 65 39 63 / 10 0 20  
 
 
 
MTZ306-152200-  
NORTHERN BLAINE COUNTY-  
INCLUDING THE CITIES OF CHINOOK, ZURICH, HARLEM, HOGELAND,  
AND FORT BELKNAP  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS  
20 TO 35 MPH WITH GUSTS TO AROUND 50 MPH.    
TONIGHT  
MOSTLY CLEAR. LOWS IN THE UPPER 30S. WEST WINDS 5 TO  
15 MPH. GUSTS UP TO 40 MPH IN THE EVENING.    
SATURDAY  
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. WEST WINDS 10 TO 15 MPH WITH  
GUSTS TO AROUND 30 MPH.    
SATURDAY NIGHT  
CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN  
RAIN LIKELY AFTER MIDNIGHT. LOWS IN THE MID 30S. WEST WINDS 5 TO  
15 MPH SHIFTING TO THE NORTHWEST 10 TO 15 MPH AFTER MIDNIGHT.  
CHANCE OF RAIN 70 PERCENT.    
SUNDAY  
WINDY, COOLER. RAIN AND SLIGHT CHANCE OF SNOW IN THE  
MORNING, THEN RAIN AND SNOW IN THE AFTERNOON. HIGHS IN THE MID  
40S. NORTH WINDS 15 TO 30 MPH. CHANCE OF PRECIPITATION  
80 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE  
EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS  
IN THE UPPER 20S. CHANCE OF PRECIPITATION 70 PERCENT.    
MONDAY  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS IN THE UPPER 40S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS AROUND 30.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 30S.    
WEDNESDAY THROUGH THURSDAY  
PARTLY CLOUDY. HIGHS IN THE UPPER  
60S. LOWS AROUND 40.  
 
 
 
MTZ309-152200-  
EASTERN PONDERA AND EASTERN TETON-  
INCLUDING THE CITIES OF BRADY, CONRAD, AND LEDGER  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY, SUNNY. HIGHS AROUND 60. WEST WINDS 15 TO 30 MPH  
WITH GUSTS TO AROUND 45 MPH.    
TONIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 30S. WEST WINDS 5 TO  
15 MPH. GUSTS UP TO 30 MPH IN THE EVENING.    
SATURDAY  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 15 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE  
EVENING, THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS AROUND  
30. NORTHWEST WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
SUNDAY  
WINDY, COLDER. SNOW AND RAIN IN THE MORNING, THEN RAIN  
AND SNOW LIKELY IN THE AFTERNOON. HIGHS IN THE MID 40S. NORTHWEST  
WINDS 15 TO 30 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE  
EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS  
IN THE UPPER 20S. CHANCE OF PRECIPITATION 50 PERCENT.    
MONDAY  
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN AND SNOW.  
HIGHS IN THE LOWER 50S.    
MONDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE UPPER 20S.    
TUESDAY  
MOSTLY SUNNY. HIGHS IN THE LOWER 60S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE MID 60S.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS AROUND 40.  
HIGHS AROUND 70.  
 
 
 
MTZ310-152200-  
WESTERN AND CENTRAL CHOUTEAU COUNTY-  
INCLUDING THE CITIES OF FLOWEREE, CARTER, AND FORT BENTON  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS  
15 TO 30 MPH. GUSTS UP TO 50 MPH IN THE MORNING.    
TONIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS AROUND 40. WEST WINDS 5 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.    
SATURDAY  
CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING, THEN  
CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE UPPER 50S. WEST  
WINDS 5 TO 15 MPH. CHANCE OF RAIN 50 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN.  
LOWS IN THE MID 30S. NORTHWEST WINDS 5 TO 15 MPH.    
SUNDAY  
BREEZY, COOLER. RAIN AND SLIGHT CHANCE OF SNOW. LIGHT  
SNOW ACCUMULATIONS. HIGHS IN THE MID 40S. NORTHWEST WINDS 15 TO  
25 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
CLOUDY WITH A 50 PERCENT CHANCE OF RAIN AND SNOW.  
LOWS AROUND 30.    
MONDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE MORNING,  
THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN IN THE AFTERNOON.  
HIGHS IN THE UPPER 40S. CHANCE OF PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE LOWER  
30S.    
TUESDAY  
NOT AS COOL. MOSTLY SUNNY. HIGHS AROUND 60.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE LOWER  
40S. HIGHS AROUND 70.  
 
 
 
MTZ311-152200-  
BEARS PAW MOUNTAINS AND SOUTHERN BLAINE-  
INCLUDING THE CITY OF ROCKY BOY  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS 59 TO 65. WEST WINDS 20 TO  
30 MPH WITH GUSTS TO AROUND 50 MPH.    
TONIGHT  
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS 5 TO  
15 MPH. GUSTS UP TO 35 MPH DECREASING TO 25 MPH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 56 TO 62. WEST WINDS 5 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.    
SATURDAY NIGHT  
CLOUDY. CHANCE OF RAIN IN THE EVENING, THEN  
RAIN LIKELY AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHWEST WINDS  
5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF RAIN  
70 PERCENT.    
SUNDAY  
BREEZY, COLDER. RAIN AND SNOW. LIGHT SNOW  
ACCUMULATIONS. HIGHS IN THE MID 40S. NORTHWEST WINDS 10 TO  
25 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
CLOUDY. RAIN AND SNOW LIKELY IN THE EVENING, THEN  
CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S.  
CHANCE OF PRECIPITATION 70 PERCENT.    
MONDAY  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS 43 TO 49.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
IN THE LOWER 30S.    
TUESDAY  
NOT AS COOL. MOSTLY SUNNY. HIGHS 54 TO 60.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.    
WEDNESDAY THROUGH THURSDAY  
PARTLY CLOUDY. HIGHS 61 TO 71. LOWS  
IN THE LOWER 40S.  
 
 
 
MTZ312-152200-  
CASCADE COUNTY BELOW 5000FT-  
INCLUDING THE CITY OF GREAT FALLS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS  
20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLOUDY.  
LOWS IN THE LOWER 40S. WEST WINDS 5 TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH.    
SATURDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS IN THE MID  
50S. WEST WINDS 10 TO 15 MPH. CHANCE OF PRECIPITATION 50 PERCENT.   
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,  
THEN RAIN LIKELY AND SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS  
IN THE LOWER 30S. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
SUNDAY  
BREEZY, COLDER. SNOW AND RAIN. MODERATE SNOW  
ACCUMULATIONS. HIGHS IN THE LOWER 40S. NORTHWEST WINDS 15 TO  
25 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. RAIN AND SNOW LIKELY IN THE  
EVENING, THEN CHANCE OF SNOW AND RAIN AFTER MIDNIGHT. LIGHT SNOW  
ACCUMULATIONS. LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION  
70 PERCENT.    
MONDAY  
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF SNOW AND RAIN.  
HIGHS 44 TO 50.    
MONDAY NIGHT AND TUESDAY  
WARMER. PARTLY CLOUDY. LOWS IN THE  
UPPER 20S. HIGHS 56 TO 62.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 60S.  
 
 
TEMPERATURE / PRECIPITATION  
 
GREAT FALLS ARPT 62 41 57 / 0 10 30  
 
 
 
MTZ313-152200-  
JUDITH BASIN COUNTY AND JUDITH GAP-  
INCLUDING THE CITIES OF RAYNESFORD, GEYSER, STANFORD, WINDHAM,  
BENCHLAND, HOBSON, AND MOCCASIN  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS AROUND 60. WEST WINDS 20 TO  
35 MPH. GUSTS UP TO 50 MPH IN THE MORNING.    
TONIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS 10 TO 15 MPH SHIFTING  
TO THE SOUTHWEST AFTER MIDNIGHT. GUSTS UP TO 30 MPH.    
SATURDAY  
CLOUDY. SLIGHT CHANCE OF RAIN IN THE MORNING, THEN  
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
SATURDAY NIGHT  
RAIN AND SNOW. LIGHT SNOW ACCUMULATIONS. LOWS  
IN THE LOWER 30S. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
SUNDAY  
WINDY, COLDER. SNOW AND RAIN IN THE MORNING, THEN SNOW  
AND SLIGHT CHANCE OF RAIN IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATIONS. SNOW LEVEL 4600 FEET. HIGHS AROUND 40. NORTHWEST  
WINDS 10 TO 30 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
CLOUDY. SNOW LIKELY AND SLIGHT CHANCE OF RAIN IN  
THE EVENING, THEN CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN AFTER  
MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S. CHANCE  
OF PRECIPITATION 70 PERCENT.    
MONDAY  
MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN CHANCE  
OF RAIN AND SNOW IN THE AFTERNOON. HIGHS IN THE LOWER 40S. CHANCE  
OF PRECIPITATION 60 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH CHANCE OF SNOW AND SLIGHT  
CHANCE OF RAIN IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE UPPER 20S. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S.    
TUESDAY NIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 60S.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS AROUND 40.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 60S.  
 
 
 
MTZ314-152200-  
FERGUS COUNTY BELOW 4500FT-  
INCLUDING THE CITIES OF HILGER AND LEWISTOWN  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY, SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS 20 TO  
30 MPH. GUSTS UP TO 50 MPH IN THE MORNING.    
TONIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE LOWER 40S. WEST WINDS UP TO 15 MPH. GUSTS UP  
TO 35 MPH IN THE EVENING.    
SATURDAY  
MOSTLY CLOUDY. A 50 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 56 TO 62. NORTHWEST WINDS 5 TO 15 MPH.    
SATURDAY NIGHT  
RAIN IN THE EVENING, THEN RAIN AND SLIGHT  
CHANCE OF SNOW AFTER MIDNIGHT. LOWS 33 TO 39. NORTHWEST WINDS  
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION  
90 PERCENT.    
SUNDAY  
BREEZY, COOLER. RAIN AND SLIGHT CHANCE OF SNOW. LIGHT  
SNOW ACCUMULATIONS. HIGHS 41 TO 47. NORTHWEST WINDS 10 TO 25 MPH  
WITH GUSTS TO AROUND 40 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
CLOUDY. RAIN AND SNOW LIKELY IN THE EVENING, THEN  
CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 30S.  
CHANCE OF PRECIPITATION 70 PERCENT.    
MONDAY  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS 42 TO 48.    
MONDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT CHANCE  
OF RAIN IN THE EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER  
MIDNIGHT. LOWS AROUND 30. CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN  
IN THE AFTERNOON. HIGHS 53 TO 59.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 30S.    
WEDNESDAY  
WARMER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 61 TO 67.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 60S.  
 
 
TEMPERATURE / PRECIPITATION  
 
LEWISTOWN 61 38 56 / 10 10 80  
 
 
 
MTZ315-152200-  
UPPER BLACKFOOT AND MACDONALD PASS-  
INCLUDING THE CITIES OF MARYSVILLE, LINCOLN, FLESHER PASS,  
AND MACDONALD PASS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS 46 TO 56. WEST WINDS 15 TO  
30 MPH WITH GUSTS TO AROUND 50 MPH.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE MID 30S. WEST WINDS 5 TO 15 MPH. GUSTS UP TO  
40 MPH DECREASING TO 30 MPH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT CHANCE OF  
RAIN IN THE MORNING, THEN CHANCE OF RAIN AND SLIGHT CHANCE OF  
SNOW IN THE AFTERNOON. HIGHS 40 TO 48. WEST WINDS 5 TO 15 MPH  
WITH GUSTS TO AROUND 35 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AND RAIN  
IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE  
UPPER 20S. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.  
CHANCE OF PRECIPITATION 50 PERCENT.    
SUNDAY  
SNOW IN THE MORNING, THEN SNOW SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATIONS. HIGHS 32 TO 40. NORTH WINDS 5 TO 15 MPH WITH GUSTS  
TO AROUND 35 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,  
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE MID 20S.  
CHANCE OF SNOW 50 PERCENT.    
MONDAY  
NOT AS COOL. PARTLY SUNNY. CHANCE OF SNOW IN THE  
MORNING, THEN CHANCE OF SNOW SHOWERS, RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 37 TO 47. CHANCE  
OF PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 20S.    
TUESDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS 46 TO 56.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
WEDNESDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 52 TO 62.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE UPPER  
30S. HIGHS 55 TO 65.  
 
 
 
MTZ316-152200-  
GATES OF THE MOUNTAINS-  
INCLUDING THE CITIES OF CANYON CREEK, WOLF CREEK, AND CRAIG  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY. MOSTLY SUNNY. HIGHS 53 TO 61. WEST WINDS 15 TO  
25 MPH. GUSTS UP TO 50 MPH DECREASING TO 40 MPH IN THE AFTERNOON.   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS 10 TO 15 MPH WITH GUSTS  
TO AROUND 35 MPH SHIFTING TO THE SOUTHWEST WITH GUSTS TO AROUND  
25 MPH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN AND  
SNOW. HIGHS 48 TO 56. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH.    
SATURDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF RAIN  
AND SNOW. LOWS IN THE LOWER 30S. WEST WINDS UP TO 15 MPH WITH  
GUSTS TO AROUND 30 MPH.    
SUNDAY  
BREEZY, COLDER. SNOW IN THE MORNING, THEN SNOW SHOWERS,  
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
MODERATE SNOW ACCUMULATIONS. SNOW LEVEL 4100 FEET. HIGHS 36 TO  
42. NORTHWEST WINDS 5 TO 15 MPH SHIFTING TO THE NORTH 10 TO  
25 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. SNOW LIKELY AND SLIGHT CHANCE OF  
RAIN IN THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LIGHT  
SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
MONDAY  
PARTLY SUNNY. CHANCE OF SNOW AND SLIGHT CHANCE OF RAIN  
IN THE MORNING, THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON.  
HIGHS 41 TO 49. CHANCE OF PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE UPPER 20S.    
TUESDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 52 TO 60.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS 58 TO 66.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE LOWER  
40S. HIGHS 62 TO 70.  
 
 
 
MTZ317-152200-  
LITTLE BELT AND HIGHWOOD MOUNTAINS-  
INCLUDING THE CITIES OF MONARCH, NEIHART, AND KINGS HILL PASS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS 48 TO 56. WEST WINDS 15 TO  
30 MPH. GUSTS UP TO 55 MPH DECREASING TO 45 MPH IN THE AFTERNOON.   
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLOUDY.  
LOWS 33 TO 39. WEST WINDS UP TO 15 MPH. GUSTS UP TO 35 MPH  
DECREASING TO 25 MPH AFTER MIDNIGHT.    
SATURDAY  
CLOUDY. CHANCE OF SNOW AND RAIN IN THE MORNING, THEN  
RAIN SHOWERS WITH POSSIBLE SNOW SHOWERS AND THUNDERSTORMS LIKELY  
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. SNOW LEVEL  
6100 FEET. HIGHS 43 TO 51. WEST WINDS UP TO 15 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
SATURDAY NIGHT  
COLDER. SNOW WITH RAIN LIKELY IN THE EVENING,  
THEN SNOW AFTER MIDNIGHT. MODERATE SNOW ACCUMULATIONS. SNOW LEVEL  
5200 FEET. LOWS 26 TO 32. NORTHWEST WINDS 5 TO 10 MPH WITH GUSTS  
TO AROUND 25 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY  
COLDER. SNOW IN THE MORNING, THEN SNOW SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. NEAR STEADY TEMPERATURE IN THE LOWER 30S.  
NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 40 MPH. CHANCE  
OF PRECIPITATION NEAR 100 PERCENT.    
SUNDAY NIGHT  
CLOUDY. SNOW LIKELY IN THE EVENING, THEN CHANCE  
OF SNOW AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS 22 TO 28.  
CHANCE OF SNOW 70 PERCENT.    
MONDAY  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN  
CHANCE OF SNOW AND RAIN IN THE AFTERNOON. HIGHS 33 TO 41. CHANCE  
OF PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 22 TO 28.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. CHANCE OF SNOW SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 44 TO 52.  
CHANCE OF PRECIPITATION 40 PERCENT.    
TUESDAY NIGHT  
PARTLY CLOUDY. LOWS 28 TO 34.    
WEDNESDAY  
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 50 TO 58. CHANCE  
OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. A 20 PERCENT  
CHANCE OF THUNDERSTORMS. LOWS 34 TO 40. HIGHS 55 TO 63.  
 
 
 
MTZ318-152200-  
SNOWY AND JUDITH MOUNTAINS-  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS 52 TO 60. WEST WINDS 15 TO  
30 MPH WITH GUSTS TO AROUND 55 MPH.    
TONIGHT  
MOSTLY CLEAR IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS UP TO 15 MPH. GUSTS UP  
TO 40 MPH DECREASING TO 25 MPH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS 48 TO 56. SOUTHWEST  
WINDS UP TO 10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.  
GUSTS UP TO 30 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
RAIN AND SNOW. MODERATE SNOW ACCUMULATIONS.  
SNOW LEVEL 5600 FEET. LOWS AROUND 30. NORTHWEST WINDS 5 TO 15 MPH  
WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION NEAR  
100 PERCENT.    
SUNDAY  
BREEZY, COLDER. SNOW AND SLIGHT CHANCE OF RAIN. LIGHT  
SNOW ACCUMULATIONS. SNOW LEVEL 4900 FEET. HIGHS 33 TO 39.  
NORTHWEST WINDS 10 TO 25 MPH WITH GUSTS TO AROUND 40 MPH. CHANCE  
OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
SNOW AND SLIGHT CHANCE OF RAIN IN THE EVENING,  
THEN SNOW LIKELY AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS  
IN THE MID 20S. CHANCE OF PRECIPITATION 80 PERCENT.    
MONDAY  
SNOW LIKELY IN THE MORNING, THEN SNOW AND RAIN LIKELY  
IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS 32 TO 38.  
CHANCE OF PRECIPITATION 70 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH CHANCE OF SNOW IN THE EVENING,  
THEN PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.  
LOWS IN THE MID 20S. CHANCE OF SNOW 40 PERCENT.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN  
THE MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS AND SNOW SHOWERS  
IN THE AFTERNOON. HIGHS 44 TO 50. CHANCE OF PRECIPITATION  
20 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S.    
WEDNESDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 51 TO 59.    
WEDNESDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS 57 TO 65.  
 
 
 
MTZ319-152200-  
HELENA VALLEY-  
INCLUDING THE CITY OF HELENA  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY. MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS  
15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLOUDY.  
LOWS IN THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 35 MPH BECOMING WEST UP TO 5 MPH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF  
SNOW IN THE MORNING, THEN CHANCE OF RAIN IN THE AFTERNOON. HIGHS  
IN THE MID 50S. WEST WINDS UP TO 5 MPH INCREASING TO 5 TO 15 MPH  
IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING,  
THEN CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS IN THE LOWER  
30S. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
SUNDAY  
COLDER. SNOW AND SLIGHT CHANCE OF RAIN IN THE MORNING,  
THEN RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 40S. NORTHWEST  
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH. CHANCE OF  
PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN THE  
EVENING, THEN SLIGHT CHANCE OF RAIN AND SNOW AFTER MIDNIGHT. LOWS  
IN THE UPPER 20S. CHANCE OF PRECIPITATION 50 PERCENT.    
MONDAY  
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SNOW AND RAIN.  
HIGHS IN THE UPPER 40S.    
MONDAY NIGHT AND TUESDAY  
WARMER. MOSTLY CLOUDY. LOWS IN THE  
UPPER 20S. HIGHS IN THE LOWER 60S.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE UPPER  
30S. HIGHS IN THE LOWER 70S.  
 
 
TEMPERATURE / PRECIPITATION  
 
HELENA 63 39 55 / 0 10 60  
 
 
 
MTZ320-152200-  
BIG BELT, BRIDGER AND CASTLE MOUNTAINS-  
INCLUDING THE CITIES OF TRIDENT, MAUDLOW, BATTLE RIDGE PASS,  
BOZEMAN PASS, AND DEEP CREEK PASS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY. MOSTLY SUNNY. HIGHS 49 TO 59. WEST WINDS 15 TO  
25 MPH WITH GUSTS TO AROUND 60 MPH.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST WINDS 10 TO 15 MPH WITH  
GUSTS TO AROUND 45 MPH DECREASING TO UP TO 10 MPH AFTER MIDNIGHT.   
SATURDAY  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN  
CHANCE OF RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 43 TO 53. WEST WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
SATURDAY NIGHT  
SNOW AND RAIN IN THE EVENING, THEN SNOW AFTER  
MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS AROUND 30. NORTHWEST  
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF  
PRECIPITATION NEAR 100 PERCENT.    
SUNDAY  
SNOW IN THE MORNING, THEN SNOW SHOWERS LIKELY AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. HIGHS 31 TO 39. NORTHWEST WINDS 10 TO 20 MPH WITH  
GUSTS TO AROUND 45 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
LOWS 23 TO 29.    
MONDAY  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN  
CHANCE OF SNOW AND RAIN IN THE AFTERNOON. HIGHS 33 TO 43. CHANCE  
OF PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 23 TO 29.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS 43 TO 53.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 28 TO 34.    
WEDNESDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 50 TO 60.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
THURSDAY  
MOSTLY SUNNY. HIGHS 55 TO 65.  
 
 
 
MTZ321-152200-  
MEAGHER COUNTY VALLEYS-  
INCLUDING THE CITIES OF MARTINSDALE, CHECKERBOARD, RINGLING,  
AND WHITE SULPHUR SPRINGS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS IN THE UPPER 50S. WEST WINDS  
15 TO 30 MPH WITH GUSTS TO AROUND 50 MPH.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLOUDY.  
LOWS IN THE MID 30S. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO  
AROUND 40 MPH BECOMING WEST UP TO 5 MPH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 50S. WEST  
WINDS UP TO 10 MPH SHIFTING TO THE NORTHWEST WITH GUSTS TO AROUND  
30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT  
RAIN AND SNOW IN THE EVENING, THEN SNOW AFTER  
MIDNIGHT. LIGHT SNOW ACCUMULATIONS. SNOW LEVEL 5400 FEET. LOWS  
AROUND 30. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND  
30 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY  
BREEZY, COLDER. SNOW IN THE MORNING, THEN SNOW SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT  
SNOW ACCUMULATIONS. HIGHS IN THE UPPER 30S. NORTHWEST WINDS 10 TO  
15 MPH INCREASING TO 10 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO  
45 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.  
LOWS IN THE MID 20S.    
MONDAY  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN  
CHANCE OF SNOW AND RAIN IN THE AFTERNOON. HIGHS IN THE LOWER 40S.  
CHANCE OF PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID  
20S.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE  
LOWER 50S.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE  
LOWER 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE UPPER 50S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE MID 30S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S.  
 
 
 
MTZ322-152200-  
ELKHORN AND BOULDER MOUNTAINS-  
INCLUDING THE CITIES OF MONTANA CITY, CLANCY, BOULDER, CORBIN,  
WICKES, ELK PARK PASS, AND HOMESTAKE PASS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY. MOSTLY SUNNY. HIGHS 49 TO 59. WEST WINDS 10 TO  
25 MPH WITH GUSTS TO AROUND 45 MPH.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING CLOUDY.  
LOWS 30 TO 38. NORTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND  
45 MPH SHIFTING TO THE WEST AFTER MIDNIGHT.    
SATURDAY  
CHANCE OF SNOW AND RAIN IN THE MORNING, THEN SNOW  
SHOWERS, RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. SNOW LEVEL  
6100 FEET. HIGHS 39 TO 49. WEST WINDS UP TO 15 MPH WITH GUSTS TO  
AROUND 30 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
COLDER. SNOW LIKELY AND CHANCE OF RAIN IN THE  
EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. MODERATE SNOW  
ACCUMULATIONS. LOWS 24 TO 32. NORTHWEST WINDS 5 TO 15 MPH WITH  
GUSTS TO AROUND 35 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SUNDAY  
SNOW IN THE MORNING, THEN SNOW SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATIONS. HIGHS 31 TO 39. NORTH WINDS 10 TO 20 MPH WITH  
GUSTS TO AROUND 50 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,  
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS 22 TO 28. CHANCE  
OF SNOW 50 PERCENT.    
MONDAY  
PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING, THEN  
CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. HIGHS 35 TO 43. CHANCE OF PRECIPITATION 40 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS 22 TO 28.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS 44 TO 54.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 28 TO 34.    
WEDNESDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 51 TO 61.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 33 TO 39.    
THURSDAY  
MOSTLY SUNNY. HIGHS 55 TO 65.  
 
 
 
MTZ323-152200-  
CANYON FERRY AREA-  
INCLUDING THE CITIES OF TOSTON, TOWNSEND, AND WINSTON  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY. MOSTLY SUNNY. HIGHS IN THE LOWER 60S. WEST WINDS  
15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.    
TONIGHT  
MOSTLY CLOUDY. LOWS AROUND 40. NORTH WINDS 10 TO  
20 MPH WITH GUSTS TO AROUND 45 MPH DECREASING TO 5 TO 10 MPH WITH  
GUSTS TO AROUND 25 MPH AFTER MIDNIGHT.    
SATURDAY  
COOLER. MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE  
MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 50S. NORTH  
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
RAIN LIKELY IN THE EVENING, THEN RAIN AND SNOW  
LIKELY AFTER MIDNIGHT. LOWS IN THE MID 30S. NORTHWEST WINDS 5 TO  
15 MPH WITH GUSTS TO AROUND 30 MPH. CHANCE OF PRECIPITATION  
70 PERCENT.    
SUNDAY  
WINDY, COLDER. SNOW LIKELY AND SLIGHT CHANCE OF RAIN IN  
THE MORNING, THEN RAIN SHOWERS, SNOW SHOWERS LIKELY AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SNOW LEVEL 4500 FEET.  
HIGHS IN THE LOWER 40S. NORTHWEST WINDS 15 TO 20 MPH WITH GUSTS  
TO AROUND 40 MPH SHIFTING TO THE NORTH 15 TO 30 MPH WITH GUSTS TO  
AROUND 50 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION  
70 PERCENT.    
SUNDAY NIGHT  
WINDY. MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF  
RAIN AND SNOW. LOWS IN THE LOWER 30S.    
MONDAY  
PARTLY SUNNY. CHANCE OF SNOW AND RAIN IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN AND SNOW IN THE AFTERNOON. HIGHS IN  
THE MID 40S. CHANCE OF PRECIPITATION 30 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE LOWER 30S.    
TUESDAY AND TUESDAY NIGHT  
WARMER. MOSTLY CLOUDY. HIGHS IN THE  
UPPER 50S. LOWS IN THE MID 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE MID 60S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.  
 
 
 
MTZ324-152200-  
MISSOURI HEADWATERS-  
INCLUDING THE CITIES OF HARRISON, THREE FORKS, WILLOW CREEK,  
PONY, AND WHITEHALL  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY, SUNNY. HIGHS IN THE MID 60S. WEST WINDS 10 TO  
25 MPH. GUSTS UP TO 45 MPH IN THE MORNING.    
TONIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST WINDS  
10 TO 15 MPH WITH GUSTS TO AROUND 35 MPH BECOMING NORTH UP TO  
5 MPH AFTER MIDNIGHT.    
SATURDAY  
CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW IN THE  
MORNING, THEN RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. NO SNOW ACCUMULATION. HIGHS IN  
THE MID 50S. NORTH WINDS UP TO 10 MPH SHIFTING TO THE NORTHWEST  
WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
RAIN AND SLIGHT CHANCE OF SNOW IN THE EVENING,  
THEN SNOW LIKELY AND RAIN AFTER MIDNIGHT. LIGHT SNOW  
ACCUMULATIONS. LOWS IN THE LOWER 30S. NORTHWEST WINDS 5 TO  
15 MPH. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
SUNDAY  
BREEZY, COLDER. SNOW LIKELY IN THE MORNING, THEN SNOW  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
LIGHT SNOW ACCUMULATIONS. HIGHS IN THE LOWER 40S. NORTHWEST WINDS  
5 TO 15 MPH INCREASING TO NORTH 15 TO 25 MPH IN THE AFTERNOON.  
GUSTS UP TO 40 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
BREEZY. MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW IN  
THE EVENING, THEN CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE  
UPPER 20S. CHANCE OF PRECIPITATION 50 PERCENT.    
MONDAY  
PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING, THEN  
CHANCE OF RAIN SHOWERS, SNOW SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 40S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
IN THE UPPER 20S.    
TUESDAY AND TUESDAY NIGHT  
WARMER. MOSTLY CLOUDY. HIGHS IN THE  
MID 50S. LOWS IN THE LOWER 30S.    
WEDNESDAY  
MOSTLY SUNNY. HIGHS IN THE MID 60S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.  
 
 
 
MTZ325-152200-  
MADISON RIVER VALLEY-  
INCLUDING THE CITIES OF CAMERON, ENNIS, JEFFERS, MCALLISTER,  
AND NORRIS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
WINDY. MOSTLY SUNNY. HIGHS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 15 MPH INCREASING TO WEST 15 TO 30 MPH IN THE  
AFTERNOON.    
TONIGHT  
MOSTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS 5 TO  
10 MPH WITH GUSTS TO AROUND 30 MPH SHIFTING TO THE SOUTHWEST  
AFTER MIDNIGHT.    
SATURDAY  
CLOUDY. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. SOUTHWEST  
WINDS 5 TO 10 MPH SHIFTING TO THE NORTHWEST 10 TO 15 MPH IN THE  
AFTERNOON. GUSTS UP TO 35 MPH. CHANCE OF PRECIPITATION  
90 PERCENT.    
SATURDAY NIGHT  
COLDER. RAIN AND SNOW IN THE EVENING, THEN SNOW  
AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN THE UPPER 20S.  
NORTH WINDS 10 TO 15 MPH SHIFTING TO THE NORTHWEST AFTER  
MIDNIGHT. CHANCE OF PRECIPITATION NEAR 100 PERCENT.    
SUNDAY  
BREEZY, COLDER. SNOW IN THE MORNING, THEN SNOW SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. LIGHT SNOW  
ACCUMULATIONS. HIGHS AROUND 40. NORTH WINDS 5 TO 10 MPH WITH  
GUSTS TO AROUND 25 MPH INCREASING TO 15 TO 25 MPH IN THE  
AFTERNOON. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
WINDY. SNOW LIKELY AND SLIGHT CHANCE OF RAIN IN  
THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. LIGHT SNOW  
ACCUMULATIONS. LOWS IN THE MID 20S. CHANCE OF PRECIPITATION  
70 PERCENT.    
MONDAY  
BREEZY. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN  
CHANCE OF SNOW SHOWERS, RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 40S. CHANCE OF  
PRECIPITATION 60 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH CHANCE OF RAIN AND SLIGHT  
CHANCE OF SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT.  
LOWS IN THE MID 20S. CHANCE OF PRECIPITATION 30 PERCENT.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 50S.    
TUESDAY NIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S.    
WEDNESDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. HIGHS IN THE LOWER 60S.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
THURSDAY  
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S.  
 
 
 
MTZ326-152200-  
GALLATIN VALLEY-  
INCLUDING THE CITIES OF BOZEMAN AND GALLATIN GATEWAY  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY. MOSTLY SUNNY. HIGHS IN THE MID 60S. WEST WINDS  
10 TO 15 MPH INCREASING TO 15 TO 25 MPH IN THE AFTERNOON.    
TONIGHT  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY  
CLOUDY. LOWS IN THE UPPER 30S. NORTH WINDS 5 TO 15 MPH WITH GUSTS  
TO AROUND 30 MPH SHIFTING TO THE SOUTH UP TO 5 MPH AFTER  
MIDNIGHT.    
SATURDAY  
CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 50S. WEST  
WINDS UP TO 10 MPH SHIFTING TO THE NORTHWEST WITH GUSTS TO AROUND  
30 MPH IN THE AFTERNOON. CHANCE OF PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
RAIN AND SNOW. LIGHT SNOW ACCUMULATIONS. LOWS  
IN THE LOWER 30S. NORTHWEST WINDS UP TO 15 MPH. CHANCE OF  
PRECIPITATION NEAR 100 PERCENT.    
SUNDAY  
COLDER. SNOW AND SLIGHT CHANCE OF RAIN IN THE MORNING,  
THEN SNOW SHOWERS WITH POSSIBLE SHOWERS AND THUNDERSTORMS LIKELY  
IN THE AFTERNOON. LIGHT SNOW ACCUMULATIONS. SNOW LEVEL 4900 FEET.  
HIGHS IN THE LOWER 40S. NORTHWEST WINDS 5 TO 15 MPH. GUSTS UP TO  
25 MPH INCREASING TO 35 MPH IN THE AFTERNOON. CHANCE OF  
PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT AND MONDAY  
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE  
OF RAIN AND SNOW. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
AND SNOW IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS  
IN THE UPPER 20S.    
TUESDAY AND TUESDAY NIGHT  
WARMER. MOSTLY CLOUDY. HIGHS IN THE  
MID 50S. LOWS IN THE LOWER 30S.    
WEDNESDAY AND WEDNESDAY NIGHT  
PARTLY CLOUDY. HIGHS IN THE  
LOWER 60S. LOWS IN THE UPPER 30S.    
THURSDAY  
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.  
 
 
TEMPERATURE / PRECIPITATION  
 
BOZEMAN AIRPORT 65 37 59 / 10 10 70  
BOZEMAN MSU 64 39 58 / 30 10 80  
 
 
 
MTZ330-152200-  
GALLATIN AND MADISON COUNTY MOUNTAINS AND CENTENNIAL MOUNTAINS-  
INCLUDING THE CITIES OF BIG SKY, WEST YELLOWSTONE, TARGHEE PASS,  
AND RAYNOLDS PASS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY. MOSTLY SUNNY. HIGHS 49 TO 61. WEST WINDS 5 TO  
15 MPH INCREASING TO 15 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO  
45 MPH.    
TONIGHT  
MOSTLY CLOUDY. LOWS 32 TO 38. WEST WINDS UP TO 15 MPH.  
GUSTS UP TO 40 MPH DECREASING TO 25 MPH AFTER MIDNIGHT.    
SATURDAY  
BREEZY, CLOUDY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN SNOW SHOWERS LIKELY WITH POSSIBLE SHOWERS AND THUNDERSTORMS  
IN THE AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. SNOW LEVEL  
7100 FEET. HIGHS 43 TO 55. SOUTHWEST WINDS 5 TO 15 MPH INCREASING  
TO 10 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
COLDER. SNOW AND RAIN IN THE EVENING, THEN SNOW  
AFTER MIDNIGHT. HEAVY SNOW ACCUMULATIONS. LOWS 23 TO 29.  
NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 40 MPH. CHANCE  
OF PRECIPITATION NEAR 100 PERCENT.    
SUNDAY  
COLDER. SNOW IN THE MORNING, THEN SNOW SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. HIGHS 28 TO 38. NORTH WINDS 5 TO 20 MPH WITH GUSTS  
TO AROUND 35 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
BREEZY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SNOW. LOWS 20 TO 26.    
MONDAY  
BREEZY. MOSTLY CLOUDY. SNOW LIKELY IN THE MORNING, THEN  
CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. LIGHT SNOW ACCUMULATIONS. HIGHS 29 TO 39. CHANCE OF  
PRECIPITATION 70 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 19 TO 25.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN  
THE MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS AND SNOW SHOWERS  
IN THE AFTERNOON. HIGHS 39 TO 49. CHANCE OF PRECIPITATION  
20 PERCENT.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW  
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS 24 TO 30.   
WEDNESDAY  
NOT AS COOL. MOSTLY SUNNY. SLIGHT CHANCE OF SNOW IN  
THE MORNING, THEN SLIGHT CHANCE OF THUNDERSTORMS AND SNOW SHOWERS  
IN THE AFTERNOON. HIGHS 46 TO 58. CHANCE OF PRECIPITATION  
20 PERCENT.    
WEDNESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS 30 TO 36.    
THURSDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 51 TO 63.  
 
 
TEMPERATURE / PRECIPITATION  
 
WEST YELLOWSTONE 63 31 56 / 0 0 10  
 
 
 
MTZ327-152200-  
NORTHWEST BEAVERHEAD COUNTY-  
INCLUDING THE CITIES OF DEWEY, WISDOM, WISE RIVER, BIG HOLE PASS,  
AND CHIEF JOSEPH PASS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
SUNNY. HIGHS 47 TO 57. WEST WINDS 5 TO 15 MPH INCREASING  
TO 15 TO 20 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH.    
TONIGHT  
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS 10 TO  
15 MPH WITH GUSTS TO AROUND 40 MPH DECREASING TO UP TO 10 MPH  
WITH GUSTS TO AROUND 25 MPH AFTER MIDNIGHT.    
SATURDAY  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING, THEN  
SNOW SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. SNOW ACCUMULATION UP TO 1 INCH. HIGHS 37 TO 47. WEST  
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 40 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
SATURDAY NIGHT  
MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING, THEN  
CHANCE OF SNOW AFTER MIDNIGHT. LIGHT SNOW ACCUMULATIONS. LOWS IN  
THE MID 20S. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND  
45 MPH DECREASING TO 5 TO 10 MPH WITH GUSTS TO AROUND 30 MPH  
AFTER MIDNIGHT. CHANCE OF SNOW 70 PERCENT.    
SUNDAY  
SNOW LIKELY IN THE MORNING, THEN SNOW SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MODERATE SNOW  
ACCUMULATIONS. HIGHS 30 TO 40. NORTH WINDS 5 TO 15 MPH WITH GUSTS  
TO AROUND 40 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
SUNDAY NIGHT  
MOSTLY CLOUDY. CHANCE OF SNOW IN THE EVENING,  
THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. LOWS IN THE LOWER 20S.  
CHANCE OF SNOW 50 PERCENT.    
MONDAY  
PARTLY SUNNY. SLIGHT CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 34 TO 44. CHANCE OF PRECIPITATION  
40 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY. LOWS IN THE LOWER 20S.    
TUESDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS 42 TO 52.    
TUESDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW  
IN THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE  
UPPER 20S.    
WEDNESDAY  
NOT AS COOL. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS 48 TO 58.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE LOWER  
30S. HIGHS 53 TO 63.  
 
 
 
MTZ328-152200-  
BEAVERHEAD AND WESTERN MADISON BELOW 6000FT-  
INCLUDING THE CITIES OF BANNACK, DILLON, GLEN, AND WATERLOO  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY, SUNNY. HIGHS 59 TO 65. WEST WINDS 5 TO 10 MPH  
INCREASING TO 15 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO 40 MPH.    
TONIGHT  
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS 10 TO  
15 MPH WITH GUSTS TO AROUND 40 MPH DECREASING TO UP TO 10 MPH  
AFTER MIDNIGHT.    
SATURDAY  
BREEZY. MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 51 TO 59. SOUTHWEST WINDS  
5 TO 15 MPH INCREASING TO WEST 15 TO 25 MPH IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 50 PERCENT.    
SATURDAY NIGHT  
BREEZY. RAIN AND SNOW LIKELY IN THE EVENING,  
THEN SNOW LIKELY AFTER MIDNIGHT. MODERATE SNOW ACCUMULATIONS.  
SNOW LEVEL 5400 FEET. LOWS IN THE UPPER 20S. NORTHWEST WINDS  
10 TO 25 MPH DECREASING TO 5 TO 15 MPH AFTER MIDNIGHT. GUSTS UP  
TO 45 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SUNDAY  
BREEZY, COOLER. SNOW LIKELY IN THE MORNING, THEN SNOW  
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 39 TO 45. NORTHWEST  
WINDS 5 TO 15 MPH SHIFTING TO THE NORTH 10 TO 25 MPH IN THE  
AFTERNOON. GUSTS UP TO 40 MPH. CHANCE OF PRECIPITATION  
70 PERCENT.    
SUNDAY NIGHT  
WINDY. MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT  
CHANCE OF RAIN IN THE EVENING, THEN CHANCE OF SNOW AFTER  
MIDNIGHT. LOWS IN THE MID 20S. CHANCE OF PRECIPITATION  
50 PERCENT.    
MONDAY  
BREEZY. PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 41 TO 47. CHANCE OF PRECIPITATION  
50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW IN  
THE EVENING, THEN PARTLY CLOUDY AFTER MIDNIGHT. LOWS IN THE MID  
20S.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 51 TO 57.    
TUESDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING  
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
WEDNESDAY  
WARMER. MOSTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS 59 TO 65.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE UPPER  
30S. HIGHS 64 TO 70.  
 
 
TEMPERATURE / PRECIPITATION  
 
DILLON 65 38 58 / 0 10 30  
 
 
 
MTZ329-152200-  
RUBY MOUNTAINS AND SOUTHERN BEAVERHEAD MOUNTAINS-  
INCLUDING THE CITY OF MONIDA PASS  
407 AM MDT FRI MAY 15 2026  
   
TODAY  
BREEZY, SUNNY. HIGHS 52 TO 60. WEST WINDS 5 TO 15 MPH  
INCREASING TO 15 TO 25 MPH IN THE AFTERNOON. GUSTS UP TO 45 MPH.    
TONIGHT  
MOSTLY CLOUDY. LOWS IN THE MID 30S. WEST WINDS 15 TO  
20 MPH WITH GUSTS TO AROUND 50 MPH BECOMING SOUTHWEST UP TO  
10 MPH WITH GUSTS TO AROUND 25 MPH AFTER MIDNIGHT.    
SATURDAY  
WINDY. MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS, SLIGHT  
CHANCE OF THUNDERSTORMS AND SNOW IN THE AFTERNOON. HIGHS 46 TO  
54. SOUTHWEST WINDS 10 TO 15 MPH INCREASING TO WEST 15 TO 30 MPH  
IN THE AFTERNOON. GUSTS UP TO 45 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
SATURDAY NIGHT  
WINDY, COLDER. SNOW LIKELY AND CHANCE OF RAIN  
IN THE EVENING, THEN SNOW LIKELY AFTER MIDNIGHT. MODERATE SNOW  
ACCUMULATIONS. LOWS IN THE MID 20S. NORTHWEST WINDS 10 TO 30 MPH  
WITH GUSTS TO AROUND 50 MPH. CHANCE OF PRECIPITATION 70 PERCENT.    
SUNDAY  
BREEZY, COLDER. SNOW LIKELY IN THE MORNING, THEN SNOW  
SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. MODERATE SNOW ACCUMULATIONS. HIGHS 32 TO 40. NORTH  
WINDS 10 TO 25 MPH WITH GUSTS TO AROUND 45 MPH. CHANCE OF  
PRECIPITATION 70 PERCENT.    
SUNDAY NIGHT  
WINDY. MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF  
SNOW. LOWS IN THE LOWER 20S.    
MONDAY  
WINDY. PARTLY SUNNY. CHANCE OF SNOW IN THE MORNING,  
THEN CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS 33 TO 41. CHANCE OF PRECIPITATION  
50 PERCENT.    
MONDAY NIGHT  
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW IN THE  
EVENING. LOWS IN THE LOWER 20S.    
TUESDAY  
NOT AS COOL. PARTLY SUNNY. A 20 PERCENT CHANCE OF  
THUNDERSTORMS AND SNOW SHOWERS IN THE AFTERNOON. HIGHS 43 TO 51.    
TUESDAY NIGHT AND WEDNESDAY  
PARTLY CLOUDY. LOWS IN THE UPPER  
20S. HIGHS 50 TO 58.    
WEDNESDAY NIGHT AND THURSDAY  
PARTLY CLOUDY. LOWS IN THE MID  
30S. HIGHS 56 TO 64.  
 
 
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