309  
FPUS55 KBYZ 181205  
ZFPBYZ  
 
ZONE FORECAST PRODUCT FOR SOUTH CENTRAL AND SOUTHEAST MONTANA  
NATIONAL WEATHER SERVICE BILLINGS MT  
604 AM MDT MON MAY 18 2026  
 
SPOT TEMPERATURES AND PROBABILITIES OF MEASURABLE PRECIPITATION  
ARE FOR TODAY, TONIGHT, AND TUESDAY.  
 
MTZ065-190300-  
LIVINGSTON AREA-  
INCLUDING THE CITY OF LIVINGSTON  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN CHANCE OF RAIN AND SNOW SHOWERS IN THE AFTERNOON.  
HIGHS IN THE UPPER 40S. NORTHWEST WINDS 5 TO 15 MPH IN THE  
MORNING SHIFTING TO THE NORTHEAST 10 TO 20 MPH IN THE AFTERNOON.  
CHANCE OF PRECIPITATION 40 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. LOWS IN THE MID 20S. SOUTHEAST  
WINDS 5 TO 15 MPH IN THE EVENING SHIFTING TO THE WEST 5 TO 10 MPH  
OVERNIGHT.    
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 60S. WEST  
WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE MID 30S.  
SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS IN THE LATE  
EVENING AND OVERNIGHT. LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 80 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 30S.    
FRIDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 40.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
TEMPERATURE / PRECIPITATION  
 
LIVINGSTON 48 25 62 / 40 10 0  
 

 
 
MTZ064-190300-  
PARADISE VALLEY-  
INCLUDING THE CITY OF EMIGRANT  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
CLOUDY WITH SLIGHT CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN PARTLY SUNNY WITH CHANCE OF SNOW SHOWERS AND RAIN  
SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 40S. NORTH WINDS  
10 TO 20 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. A 20 PERCENT CHANCE OF RAIN SHOWERS  
EARLY IN THE EVENING. LOWS IN THE UPPER 20S. EAST WINDS 5 TO  
15 MPH IN THE EVENING SHIFTING TO THE SOUTH 5 TO 10 MPH  
OVERNIGHT.    
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 60S. WEST  
WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
INCREASING CLOUDS. A 30 PERCENT CHANCE OF RAIN  
SHOWERS IN THE AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.    
WEDNESDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN  
THE LATE EVENING AND OVERNIGHT. LOWS AROUND 40. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN AND SNOW SHOWERS IN THE  
MORNING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN  
THE EVENING AND OVERNIGHT, THEN SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS AFTER 3 AM. LOWS IN THE UPPER 30S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
FRIDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
MTZ040-190300-  
NORTHERN PARK-  
INCLUDING THE CITIES OF CLYDE PARK AND WILSALL  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE  
MORNING. CHANCE OF SNOW SHOWERS IN THE AFTERNOON. CHANCE OF RAIN  
SHOWERS LATE IN THE AFTERNOON. HIGHS IN THE UPPER 40S. NORTH  
WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. LOWS IN THE MID 20S. EAST WINDS  
5 TO 10 MPH.    
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE UPPER 50S. WEST  
WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. WEST WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT
 
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. RAIN SHOWERS LIKELY THROUGH THE NIGHT. SLIGHT CHANCE OF  
SNOW SHOWERS AFTER 3 AM. LOWS IN THE LOWER 30S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN  
THE MORNING. CHANCE OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. HIGHS IN  
THE UPPER 50S. CHANCE OF PRECIPITATION 40 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S.    
FRIDAY
 
PARTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
MTZ068-190300-  
CRAZY MOUNTAINS-  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN  
THE MORNING. CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS IN  
THE LOWER 30S. NORTH WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION  
40 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. LOWS IN THE LOWER 20S. NORTH WINDS  
5 TO 10 MPH IN THE EVENING SHIFTING TO THE WEST OVERNIGHT.    
TUESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 40S. WEST WINDS 5 TO  
15 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY. WARMER. LOWS IN THE LOWER 30S.  
WEST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
INCREASING CLOUDS. CHANCE OF SNOW SHOWERS EARLY IN  
THE AFTERNOON. CHANCE OF SNOW SHOWERS AND SLIGHT CHANCE OF RAIN  
SHOWERS LATE IN THE AFTERNOON. HIGHS IN THE MID 40S. WEST WINDS  
5 TO 15 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. RAIN SHOWERS AND SNOW SHOWERS IN THE EVENING, THEN SNOW  
SHOWERS LIKELY OVERNIGHT. ACCUMULATIONS POSSIBLE. LOWS IN THE  
LOWER 30S. CHANCE OF PRECIPITATION 80 PERCENT.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS THROUGH THE  
DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF  
RAIN SHOWERS LATE IN THE AFTERNOON. HIGHS IN THE LOWER 40S.  
CHANCE OF PRECIPITATION 40 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 30S.    
FRIDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF THUNDERSTORMS AND SNOW  
SHOWERS EARLY IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE IN THE AFTERNOON. HIGHS IN THE UPPER 40S.  
CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 30S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 50S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SUNDAY
 
DECREASING CLOUDS. HIGHS IN THE UPPER 50S.  
 

 
 
MTZ067-190300-  
ABSAROKA/BEARTOOTH MOUNTAINS-  
INCLUDING THE CITY OF COOKE CITY  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW SHOWERS.  
SNOW ACCUMULATION AROUND 1 INCH IN THE MOUNTAINS NEAR RED LODGE.  
HIGHS IN THE UPPER 30S. NORTH WINDS 5 TO 15 MPH.    
TONIGHT
 
MOSTLY CLEAR. A 20 PERCENT CHANCE OF SNOW SHOWERS  
EARLY IN THE EVENING. LOWS AROUND 14. NORTHWEST WINDS 5 TO  
10 MPH.    
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS AROUND 50. WEST WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 20S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH CHANCE  
OF SNOW SHOWERS EARLY IN THE AFTERNOON. PARTLY SUNNY WITH CHANCE  
OF RAIN SHOWERS LATE IN THE AFTERNOON. HIGHS IN THE LOWER 50S.  
WEST WINDS 5 TO 10 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
WEDNESDAY NIGHT
 
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. RAIN SHOWERS AND SNOW SHOWERS LIKELY IN THE EVENING,  
THEN SNOW SHOWERS OVERNIGHT. LOWS IN THE UPPER 20S. CHANCE OF  
PRECIPITATION 80 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF SNOW SHOWERS THROUGH THE DAY.  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. CHANCE OF RAIN SHOWERS  
LATE IN THE AFTERNOON. HIGHS IN THE LOWER 50S. CHANCE OF  
PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SNOW  
SHOWERS. LOWS IN THE MID 20S.    
FRIDAY
 
PARTLY SUNNY. SLIGHT CHANCE OF SNOW SHOWERS IN THE  
MORNING, THEN CHANCE OF THUNDERSTORMS AND SNOW SHOWERS IN THE  
AFTERNOON. CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON. HIGHS IN  
THE MID 50S. CHANCE OF PRECIPITATION 40 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 60.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S.  
 

 
 
MTZ066-190300-  
BEARTOOTH FOOTHILLS-  
INCLUDING THE CITIES OF FISHTAIL AND MCLEOD  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING AND  
EARLY AFTERNOON, THEN SLIGHT CHANCE OF RAIN AND SNOW SHOWERS LATE  
IN THE AFTERNOON. HIGHS IN THE UPPER 40S. NORTH WINDS 10 TO  
20 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. LOWS IN THE UPPER 20S. WEST WINDS  
5 TO 15 MPH.    
TUESDAY
 
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A  
20 PERCENT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WARMER. HIGHS  
IN THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
DECREASING CLOUDS. LOWS IN THE UPPER 30S.  
SOUTHWEST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. A 40 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT
 
RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS IN THE LATE  
EVENING AND OVERNIGHT. LOWS IN THE UPPER 30S. CHANCE OF  
PRECIPITATION 80 PERCENT.    
THURSDAY
 
SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE MORNING.  
RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF RAIN SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE  
UPPER 50S. CHANCE OF PRECIPITATION 60 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS AROUND 40.    
FRIDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF PRECIPITATION  
30 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 

 
 
MTZ056-190300-  
RED LODGE FOOTHILLS-  
INCLUDING THE CITY OF RED LODGE  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS IN THE  
LOWER 40S. NORTHWEST WINDS 15 TO 25 MPH. CHANCE OF PRECIPITATION  
50 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW SHOWERS  
EARLY IN THE EVENING, THEN PARTLY CLOUDY IN THE LATE EVENING AND  
OVERNIGHT. LOWS IN THE MID 20S. WEST WINDS 5 TO 10 MPH.    
TUESDAY
 
INCREASING CLOUDS. WARMER. HIGHS IN THE UPPER 50S.  
SOUTHEAST WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
DECREASING CLOUDS. WARMER. LOWS IN THE UPPER  
30S. SOUTHWEST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
SUNNY IN THE MORNING, THEN PARTLY SUNNY WITH A  
30 PERCENT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE  
LOWER 60S. SOUTH WINDS 5 TO 10 MPH IN THE MORNING SHIFTING TO THE  
NORTH IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN  
THE LATE EVENING AND OVERNIGHT. LOWS IN THE UPPER 30S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF SNOW SHOWERS  
IN THE MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN  
THE EVENING, THEN CHANCE OF RAIN SHOWERS OVERNIGHT. LOWS IN THE  
UPPER 30S. CHANCE OF PRECIPITATION 30 PERCENT.    
FRIDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION  
40 PERCENT.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.  
 

 
 
MTZ141-190300-  
NORTHERN SWEET GRASS-  
INCLUDING THE CITY OF BIG TIMBER  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN  
THE MORNING. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS  
AROUND 50. NORTH WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION  
20 PERCENT.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTH WINDS 5 TO  
15 MPH IN THE EVENING BECOMING LIGHT OVERNIGHT.    
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 60S.  
SOUTHWEST WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS IN THE LATE  
EVENING AND OVERNIGHT. LOWS IN THE UPPER 30S. CHANCE OF  
PRECIPITATION 80 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS OVERNIGHT. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 

 
 
MTZ034-190300-  
NORTHERN STILLWATER-  
INCLUDING THE CITIES OF COLUMBUS AND ABSAROKEE  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS IN THE  
MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND  
AFTERNOON. HIGHS AROUND 50. NORTH WINDS 10 TO 20 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. PATCHY FOG AFTER 3 AM. LOWS IN THE  
MID 20S. NORTHEAST WINDS 5 TO 15 MPH IN THE EVENING BECOMING  
LIGHT OVERNIGHT.    
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS  
5 TO 10 MPH.    
WEDNESDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN  
THE LATE EVENING AND OVERNIGHT. LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
 
MTZ139-190300-  
SOUTHEASTERN CARBON-  
INCLUDING THE CITY OF BRIDGER  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS EARLY IN  
THE MORNING, THEN SLIGHT CHANCE OF SNOW SHOWERS LATE IN THE  
MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND  
AFTERNOON. HIGHS IN THE UPPER 40S. NORTH WINDS 15 TO 25 MPH.  
CHANCE OF PRECIPITATION 40 PERCENT.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTH WINDS 5 TO  
15 MPH IN THE EVENING SHIFTING TO THE SOUTH 5 TO 10 MPH  
OVERNIGHT.    
TUESDAY
 
INCREASING CLOUDS. WARMER. HIGHS IN THE MID 60S. SOUTH  
WINDS 10 TO 20 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE LOWER 40S.  
SOUTH WINDS 5 TO 15 MPH.    
WEDNESDAY
 
INCREASING CLOUDS. HIGHS AROUND 70. SOUTH WINDS  
10 TO 20 MPH IN THE MORNING BECOMING SOUTHWEST 5 TO 10 MPH IN THE  
AFTERNOON.    
WEDNESDAY NIGHT
 
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS  
LIKELY OVERNIGHT. LOWS IN THE UPPER 30S. CHANCE OF PRECIPITATION  
70 PERCENT.    
THURSDAY
 
RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF  
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION 60 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS AROUND 40.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 80S.  
 

 
 
MTZ170-190300-  
NORTHERN CARBON-  
INCLUDING THE CITIES OF JOLIET AND FROMBERG  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. CHANCE OF SNOW SHOWERS EARLY IN THE  
MORNING. SLIGHT CHANCE OF SNOW SHOWERS IN THE LATE MORNING AND  
EARLY AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE  
MORNING AND AFTERNOON. HIGHS AROUND 50. NORTH WINDS 10 TO 20 MPH.  
CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. LOWS IN THE MID 20S. NORTH WINDS  
5 TO 15 MPH IN THE EVENING SHIFTING TO THE SOUTHWEST 5 TO 10 MPH  
OVERNIGHT.    
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 60S. SOUTH  
WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE UPPER 30S.  
SOUTH WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. SOUTHWEST  
WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN  
THE LATE EVENING AND OVERNIGHT. LOWS IN THE UPPER 30S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY
 
RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF  
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION 60 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
 
MTZ172-190300-  
MELVILLE FOOTHILLS-  
INCLUDING THE CITY OF MELVILLE  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN  
THE MORNING. CHANCE OF SNOW SHOWERS IN THE AFTERNOON. HIGHS IN  
THE MID 40S. NORTH WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION  
30 PERCENT.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTH WINDS 5 TO  
15 MPH IN THE EVENING SHIFTING TO THE WEST 5 TO 10 MPH OVERNIGHT.   
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE UPPER 50S. WEST  
WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST WINDS  
5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. A 30 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS AROUND 60. WEST WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS LIKELY  
OVERNIGHT. LOWS IN THE UPPER 30S. CHANCE OF PRECIPITATION  
80 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF SNOW SHOWERS EARLY IN THE  
MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE MID 50S. CHANCE OF  
PRECIPITATION 40 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE  
OF PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.  
 

 
 
MTZ228-190300-  
SOUTHERN WHEATLAND-  
INCLUDING THE CITY OF HARLOWTON  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
DECREASING CLOUDS. SLIGHT CHANCE OF SNOW SHOWERS EARLY  
IN THE MORNING. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS  
IN THE UPPER 40S. NORTH WINDS 15 TO 25 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTH WINDS 5 TO  
15 MPH IN THE EVENING SHIFTING TO THE WEST 5 TO 10 MPH OVERNIGHT.   
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 60S. WEST  
WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE MID 30S. WEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. CHANCE OF RAIN SHOWERS EARLY IN THE  
AFTERNOON. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS LATE IN THE AFTERNOON. HIGHS IN THE MID 60S. WEST  
WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
WEDNESDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN  
THE LATE EVENING AND OVERNIGHT. LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 40.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.  
 

 
 
MTZ063-190300-  
JUDITH GAP-  
INCLUDING THE CITY OF JUDITH GAP  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
DECREASING CLOUDS. SLIGHT CHANCE OF SNOW SHOWERS IN THE  
MORNING AND EARLY AFTERNOON, THEN SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS LATE IN THE AFTERNOON. HIGHS IN THE MID 40S. NORTH WINDS  
15 TO 25 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTH WINDS 5 TO  
15 MPH IN THE EVENING SHIFTING TO THE SOUTH 5 TO 10 MPH  
OVERNIGHT.    
TUESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN MOSTLY CLOUDY WITH A  
20 PERCENT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WARMER. HIGHS  
IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH IN THE MORNING SHIFTING  
TO THE WEST 5 TO 15 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. WEST WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY IN THE MORNING, THEN CHANCE OF RAIN  
SHOWERS EARLY IN THE AFTERNOON. MOSTLY CLOUDY WITH CHANCE OF RAIN  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF  
PRECIPITATION 50 PERCENT.    
WEDNESDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN  
THE LATE EVENING AND OVERNIGHT. LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE UPPER 50S. CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SUNDAY
 
DECREASING CLOUDS. HIGHS IN THE MID 70S.  
 

 
 
MTZ042-190300-  
GOLDEN VALLEY-  
INCLUDING THE CITIES OF RYEGATE AND LAVINA  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN  
THE MORNING. SLIGHT CHANCE OF SNOW SHOWERS EARLY IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS  
AROUND 50. SOUTHWEST WINDS 5 TO 15 MPH IN THE MORNING SHIFTING TO  
THE NORTH IN THE AFTERNOON. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHEAST WINDS  
5 TO 15 MPH IN THE EVENING SHIFTING TO THE WEST 5 TO 10 MPH  
OVERNIGHT.    
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE UPPER 30S.  
WEST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE MID 60S. WEST WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN  
THE LATE EVENING AND OVERNIGHT. LOWS IN THE UPPER 30S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY
 
PARTLY SUNNY. A 30 PERCENT CHANCE OF RAIN SHOWERS IN  
THE MORNING. HIGHS IN THE LOWER 60S.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
MTZ029-190300-  
MUSSELSHELL-  
INCLUDING THE CITY OF ROUNDUP  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS  
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. HIGHS AROUND 50. NORTH WINDS 10 TO 20 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHEAST WINDS  
5 TO 15 MPH IN THE EVENING SHIFTING TO THE SOUTHWEST 5 TO 10 MPH  
OVERNIGHT.    
TUESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE UPPER 30S.  
SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. A 30 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN  
THE LATE EVENING AND OVERNIGHT. LOWS AROUND 40. CHANCE OF  
PRECIPITATION 60 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS OVERNIGHT. LOWS AROUND 40.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS AROUND 70.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
 
MTZ235-190300-  
SOUTHWESTERN YELLOWSTONE-  
INCLUDING THE CITY OF BILLINGS  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS  
EARLY IN THE MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE  
LATE MORNING AND AFTERNOON. HIGHS AROUND 50. NORTH WINDS 10 TO  
20 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTH WINDS 5 TO  
15 MPH IN THE EVENING SHIFTING TO THE SOUTHWEST 5 TO 10 MPH  
OVERNIGHT.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS  
5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE LOWER 40S.  
SOUTHWEST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
10 TO 20 MPH.    
WEDNESDAY NIGHT
 
RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE EVENING, THEN RAIN SHOWERS LIKELY IN  
THE LATE EVENING AND OVERNIGHT. LOWS IN THE LOWER 40S. CHANCE OF  
PRECIPITATION 70 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS AROUND 50.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 80S.  
 

 
TEMPERATURE / PRECIPITATION  
 
BILLINGS 50 29 67 / 20 10 0  
 

 
 
MTZ173-190300-  
NORTHEASTERN YELLOWSTONE-  
INCLUDING THE CITIES OF CUSTER AND POMPEYS PILLAR  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN  
THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
HIGHS IN THE LOWER 50S. NORTH WINDS 10 TO 20 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. LOWS IN THE UPPER 20S. NORTHEAST  
WINDS 5 TO 15 MPH IN THE EVENING BECOMING LIGHT OVERNIGHT.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE LOWER 40S.  
SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS  
LIKELY OVERNIGHT. LOWS IN THE LOWER 40S. CHANCE OF PRECIPITATION  
60 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS OVERNIGHT. LOWS IN THE LOWER 40S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
 
MTZ057-190300-  
NORTHERN BIG HORN-  
INCLUDING THE CITIES OF HARDIN AND CROW AGENCY  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS  
AROUND 50. NORTH WINDS 10 TO 20 MPH.    
TONIGHT
 
DECREASING CLOUDS. PATCHY FOG AFTER 3 AM. LOWS IN THE  
MID 20S. NORTHEAST WINDS 5 TO 15 MPH IN THE EVENING BECOMING  
LIGHT OVERNIGHT.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE UPPER 30S.  
SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
5 TO 10 MPH.    
WEDNESDAY NIGHT
 
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS  
LIKELY OVERNIGHT. LOWS IN THE LOWER 40S. CHANCE OF PRECIPITATION  
60 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE MID 60S. CHANCE OF PRECIPITATION  
50 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS OVERNIGHT. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
TEMPERATURE / PRECIPITATION  
 
HARDIN 50 26 67 / 20 10 0  
 

 
 
MTZ138-190300-  
SOUTHERN BIG HORN-  
INCLUDING THE CITIES OF PRYOR AND LODGE GRASS  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
CLOUDY. CHANCE OF RAIN AND SNOW SHOWERS EARLY IN THE  
MORNING, THEN SLIGHT CHANCE OF SNOW SHOWERS LATE IN THE MORNING.  
SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND AFTERNOON.  
HIGHS IN THE UPPER 40S. NORTHWEST WINDS 10 TO 20 MPH. CHANCE OF  
PRECIPITATION 40 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. PATCHY FOG OVERNIGHT. LOWS IN THE  
UPPER 20S. NORTHWEST WINDS 5 TO 15 MPH IN THE EVENING SHIFTING TO  
THE SOUTH 5 TO 10 MPH OVERNIGHT.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE MID 60S. SOUTHWEST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
5 TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN CHANCE  
OF RAIN SHOWERS IN THE LATE EVENING AND OVERNIGHT. LOWS AROUND  
40. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY
 
RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF  
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
COOLER. HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION  
60 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
 
MTZ171-190300-  
PRYOR/NORTHERN BIGHORN MOUNTAINS-  
604 AM MDT MON MAY 18 2026  
   
..WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT TODAY
 
 
   
TODAY
 
PATCHY BLOWING SNOW EARLY IN THE MORNING. SNOW SHOWERS  
LIKELY IN THE MORNING, THEN CHANCE OF SNOW SHOWERS IN THE  
AFTERNOON. SNOW ACCUMULATION AROUND 1 INCH. HIGHS IN THE UPPER  
20S. NORTH WINDS 15 TO 25 MPH. CHANCE OF PRECIPITATION  
70 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. LOWS AROUND 19. NORTHWEST WINDS  
5 TO 15 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE MID 40S. SOUTH WINDS 5 TO  
15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE LOWER 30S.  
SOUTH WINDS 10 TO 20 MPH.    
WEDNESDAY
 
INCREASING CLOUDS. HIGHS AROUND 50. SOUTHWEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.  
RAIN SHOWERS LIKELY THROUGH THE NIGHT. SNOW SHOWERS LIKELY  
OVERNIGHT. LOWS IN THE LOWER 30S. CHANCE OF PRECIPITATION  
70 PERCENT.    
THURSDAY
 
SNOW SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF  
SNOW SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.  
ACCUMULATIONS POSSIBLE. HIGHS IN THE LOWER 40S. CHANCE OF  
PRECIPITATION 60 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS EARLY IN THE EVENING, THEN SLIGHT CHANCE OF RAIN SHOWERS  
IN THE LATE EVENING AND OVERNIGHT. LOWS IN THE MID 30S. CHANCE OF  
PRECIPITATION 20 PERCENT.    
FRIDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 50S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS AROUND 60.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 60S.  
 

 
 
MTZ169-190300-  
BIGHORN CANYON-  
INCLUDING THE CITY OF FORT SMITH  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
SNOW SHOWERS LIKELY EARLY IN THE MORNING. SLIGHT CHANCE  
OF RAIN SHOWERS THROUGH THE DAY. CHANCE OF SNOW SHOWERS LATE IN  
THE MORNING. NO SNOW ACCUMULATION. HIGHS IN THE UPPER 40S. NORTH  
WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION 60 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. LOWS IN THE UPPER 20S. NORTHWEST  
WINDS 5 TO 15 MPH IN THE EVENING SHIFTING TO THE SOUTHWEST 5 TO  
10 MPH OVERNIGHT.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE MID 60S. SOUTHWEST WINDS  
5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE LOWER 40S.  
SOUTH WINDS 10 TO 20 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING. CHANCE OF RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS  
LIKELY OVERNIGHT. LOWS IN THE LOWER 40S. CHANCE OF PRECIPITATION  
60 PERCENT.    
THURSDAY
 
RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF  
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
COOLER. HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION  
70 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE LOWER 40S.    
FRIDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. HIGHS AROUND 70. CHANCE OF PRECIPITATION 20 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
 
MTZ030-190300-  
TREASURE-  
INCLUDING THE CITY OF HYSHAM  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS  
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. HIGHS AROUND 50. NORTH WINDS 10 TO 20 MPH. CHANCE OF  
PRECIPITATION 20 PERCENT.    
TONIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTH WINDS 5 TO  
15 MPH IN THE EVENING BECOMING LIGHT OVERNIGHT.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE MID 60S. SOUTHWEST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE LOWER 40S.  
SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE EVENING, THEN CHANCE  
OF RAIN SHOWERS IN THE LATE EVENING AND OVERNIGHT. LOWS IN THE  
MID 40S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY
 
DECREASING CLOUDS. CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
HIGHS IN THE MID 60S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S.    
SUNDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.  
 

 
 
MTZ031-190300-  
NORTHERN ROSEBUD-  
INCLUDING THE CITIES OF COLSTRIP AND FORSYTH  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS. HIGHS  
IN THE UPPER 40S. NORTHWEST WINDS 10 TO 20 MPH.    
TONIGHT
 
DECREASING CLOUDS. PATCHY FOG AFTER 3 AM. LOWS IN THE  
UPPER 20S. NORTH WINDS 5 TO 15 MPH IN THE EVENING BECOMING LIGHT  
OVERNIGHT.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE MID 60S. SOUTHWEST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS AROUND 40. SOUTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
5 TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE EVENING, THEN CHANCE OF RAIN SHOWERS OVERNIGHT. LOWS IN  
THE LOWER 40S. CHANCE OF PRECIPITATION 40 PERCENT.    
THURSDAY
 
MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE  
MID 60S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.  
 

 
 
MTZ032-190300-  
CUSTER-  
INCLUDING THE CITY OF MILES CITY  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
CLOUDY. SLIGHT CHANCE OF RAIN AND SNOW SHOWERS EARLY IN  
THE MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE LATE  
MORNING AND AFTERNOON. HIGHS IN THE UPPER 40S. NORTHWEST WINDS  
10 TO 20 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS  
EARLY IN THE EVENING. PATCHY FOG AFTER 3 AM. LOWS AROUND 30.  
NORTHWEST WINDS 5 TO 15 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE MID 60S. SOUTHWEST WINDS  
5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS  
5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE EVENING, THEN CHANCE OF RAIN SHOWERS OVERNIGHT. LOWS IN  
THE LOWER 40S. CHANCE OF PRECIPITATION 40 PERCENT.    
THURSDAY
 
PARTLY SUNNY. CHANCE OF RAIN SHOWERS IN THE MORNING,  
THEN SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. HIGHS IN THE  
MID 60S. CHANCE OF PRECIPITATION 40 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
TEMPERATURE / PRECIPITATION  
 
MILES CITY 48 30 64 / 20 20 0  
 

 
 
MTZ033-190300-  
FALLON-  
INCLUDING THE CITY OF BAKER  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS IN THE LATE MORNING AND  
AFTERNOON. COOLER. HIGHS IN THE MID 40S. NORTHWEST WINDS 10 TO  
20 MPH. CHANCE OF PRECIPITATION 40 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
EVENING AND OVERNIGHT, THEN SLIGHT CHANCE OF RAIN AND SNOW  
SHOWERS AFTER 3 AM. PATCHY FOG AFTER 3 AM. LOWS IN THE UPPER 20S.  
NORTHWEST WINDS 5 TO 15 MPH. CHANCE OF PRECIPITATION 20 PERCENT.    
TUESDAY
 
DECREASING CLOUDS. WARMER. HIGHS IN THE UPPER 50S.  
NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS  
5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. WARMER. HIGHS IN THE LOWER 70S.  
SOUTHWEST WINDS 10 TO 20 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS  
IN THE EVENING, THEN CHANCE OF RAIN SHOWERS OVERNIGHT. LOWS IN  
THE UPPER 30S. CHANCE OF PRECIPITATION 30 PERCENT.    
THURSDAY
 
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS IN THE MID 60S.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A 30 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
TEMPERATURE / PRECIPITATION  
 
BAKER 46 29 59 / 40 20 0  
 

 
 
MTZ058-190300-  
SOUTHERN ROSEBUD-  
INCLUDING THE CITY OF LAME DEER  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
CLOUDY. CHANCE OF SNOW SHOWERS EARLY IN THE MORNING.  
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN SLIGHT CHANCE OF RAIN  
SHOWERS IN THE AFTERNOON. HIGHS IN THE UPPER 40S. NORTHWEST WINDS  
10 TO 20 MPH. CHANCE OF PRECIPITATION 30 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST WINDS  
5 TO 15 MPH IN THE EVENING BECOMING LIGHT OVERNIGHT.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE MID 60S. WEST WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS  
5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS  
5 TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
EARLY IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
EVENING, THEN CHANCE OF RAIN SHOWERS OVERNIGHT. LOWS IN THE LOWER  
40S. CHANCE OF PRECIPITATION 40 PERCENT.    
THURSDAY
 
RAIN SHOWERS LIKELY IN THE MORNING, THEN CHANCE OF  
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
COOLER. HIGHS IN THE LOWER 60S. CHANCE OF PRECIPITATION  
60 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY. HIGHS AROUND 70.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 80S.  
 

 
 
MTZ036-190300-  
POWDER RIVER-  
INCLUDING THE CITY OF BROADUS  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF SNOW  
SHOWERS IN THE MORNING, THEN CHANCE OF RAIN SHOWERS IN THE  
AFTERNOON. COOLER. HIGHS IN THE MID 40S. NORTHWEST WINDS 10 TO  
20 MPH. CHANCE OF PRECIPITATION 50 PERCENT.    
TONIGHT
 
CLOUDY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS EARLY  
IN THE EVENING, THEN MOSTLY CLOUDY IN THE LATE EVENING AND  
OVERNIGHT. LOWS IN THE UPPER 20S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO  
15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS OVERNIGHT. LOWS IN THE LOWER 40S.    
THURSDAY
 
CHANCE OF RAIN SHOWERS IN THE MORNING, THEN RAIN  
SHOWERS LIKELY IN THE AFTERNOON. COOLER. HIGHS IN THE LOWER 60S.  
CHANCE OF PRECIPITATION 60 PERCENT.    
THURSDAY NIGHT
 
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS AROUND 40.    
FRIDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 80S.  
 

 
TEMPERATURE / PRECIPITATION  
 
BROADUS 45 29 62 / 50 20 0  
 

 
 
MTZ037-190300-  
CARTER-  
INCLUDING THE CITY OF EKALAKA  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
COOLER. CHANCE OF RAIN AND SNOW SHOWERS EARLY IN THE  
MORNING, THEN RAIN AND SNOW SHOWERS LIKELY LATE IN THE MORNING.  
CHANCE OF RAIN SHOWERS IN THE AFTERNOON. NO SNOW ACCUMULATION.  
HIGHS IN THE MID 40S. NORTHWEST WINDS 10 TO 20 MPH. CHANCE OF  
PRECIPITATION 60 PERCENT.    
TONIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN SHOWERS IN  
THE EVENING. PATCHY FOG AFTER 3 AM. LOWS IN THE UPPER 20S.  
NORTHWEST WINDS 5 TO 15 MPH.    
TUESDAY
 
DECREASING CLOUDS. WARMER. HIGHS IN THE UPPER 50S.  
NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST  
WINDS 5 TO 10 MPH IN THE EVENING SHIFTING TO THE SOUTHEAST  
OVERNIGHT.    
WEDNESDAY
 
SUNNY, WARMER. HIGHS IN THE LOWER 70S. SOUTHWEST  
WINDS 5 TO 15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS OVERNIGHT. LOWS IN THE LOWER 40S.    
THURSDAY
 
PARTLY SUNNY WITH A 50 PERCENT CHANCE OF RAIN  
SHOWERS. HIGHS IN THE LOWER 60S.    
THURSDAY NIGHT
 
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN  
SHOWERS IN THE EVENING. LOWS IN THE UPPER 30S.    
FRIDAY
 
MOSTLY SUNNY WITH A 20 PERCENT CHANCE OF RAIN SHOWERS.  
HIGHS IN THE UPPER 60S.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 40S.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
 
WYZ198-190300-  
NORTHEAST BIGHORN MOUNTAINS-  
INCLUDING THE CITY OF BURGESS JCT  
604 AM MDT MON MAY 18 2026  
   
..WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT TODAY
 
 
   
TODAY
 
SNOW SHOWERS IN THE MORNING, THEN SNOW SHOWERS LIKELY  
EARLY IN THE AFTERNOON. CHANCE OF SNOW SHOWERS LATE IN THE  
AFTERNOON. PATCHY BLOWING SNOW EARLY IN THE AFTERNOON. SNOW  
ACCUMULATION AROUND 2 INCHES. HIGHS IN THE UPPER 20S. NORTH WINDS  
10 TO 20 MPH. CHANCE OF PRECIPITATION 90 PERCENT.    
TONIGHT
 
CLOUDY WITH A 30 PERCENT CHANCE OF SNOW SHOWERS EARLY  
IN THE EVENING, THEN PARTLY CLOUDY IN THE LATE EVENING AND  
OVERNIGHT. LOWS AROUND 12. WEST WINDS 5 TO 15 MPH.    
TUESDAY
 
INCREASING CLOUDS. WARMER. HIGHS IN THE LOWER 40S.  
WEST WINDS 5 TO 15 MPH.    
TUESDAY NIGHT
 
PARTLY CLOUDY. WARMER. LOWS IN THE MID 20S.  
SOUTHWEST WINDS 5 TO 15 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 50. WEST WINDS 5 TO  
15 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
AND SNOW SHOWERS EARLY IN THE EVENING. CHANCE OF RAIN SHOWERS IN  
THE EVENING AND OVERNIGHT. CHANCE OF SNOW SHOWERS OVERNIGHT. LOWS  
IN THE UPPER 20S. CHANCE OF PRECIPITATION 50 PERCENT.    
THURSDAY
 
SNOW SHOWERS IN THE MORNING, THEN SNOW SHOWERS LIKELY  
AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. SLIGHT  
CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON. ACCUMULATIONS  
POSSIBLE. HIGHS IN THE LOWER 40S. CHANCE OF PRECIPITATION  
80 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SNOW  
SHOWERS. LOWS IN THE MID 20S.    
FRIDAY
 
PARTLY SUNNY. CHANCE OF SNOW SHOWERS IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS AROUND 50. CHANCE OF PRECIPITATION  
40 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 50S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S.    
SUNDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE LOWER 60S.  
 

 
 
WYZ199-190300-  
SHERIDAN FOOTHILLS-  
INCLUDING THE CITY OF SHERIDAN  
604 AM MDT MON MAY 18 2026  
   
TODAY
 
SNOW SHOWERS AND SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN CHANCE OF RAIN AND SNOW SHOWERS IN THE AFTERNOON.  
LITTLE OR NO SNOW ACCUMULATION. HIGHS IN THE LOWER 40S. NORTHWEST  
WINDS 10 TO 20 MPH. CHANCE OF PRECIPITATION 80 PERCENT.    
TONIGHT
 
DECREASING CLOUDS. LOWS IN THE MID 20S. WEST WINDS  
5 TO 10 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS AROUND 60. SOUTH WINDS 5 TO  
10 MPH IN THE MORNING SHIFTING TO THE NORTHEAST IN THE AFTERNOON.   
TUESDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTH  
WINDS 5 TO 10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST  
WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT
 
MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS  
EARLY IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
EVENING, THEN CHANCE OF RAIN SHOWERS OVERNIGHT. LOWS IN THE MID  
30S. CHANCE OF PRECIPITATION 40 PERCENT.    
THURSDAY
 
RAIN SHOWERS LIKELY IN THE MORNING, THEN RAIN SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGHS  
IN THE UPPER 50S. CHANCE OF PRECIPITATION 70 PERCENT.    
THURSDAY NIGHT
 
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF RAIN  
SHOWERS. LOWS IN THE LOWER 30S.    
FRIDAY
 
MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN THE  
MORNING, THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. HIGHS IN THE UPPER 60S. CHANCE OF  
PRECIPITATION 30 PERCENT.    
FRIDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S.    
SATURDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40.    
SUNDAY
 
MOSTLY SUNNY. HIGHS AROUND 80.  
 

 
TEMPERATURE / PRECIPITATION  
 
SHERIDAN WY 43 24 60 / 80 10 0  
 

 
 
WEATHER.GOV/BILLINGS  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page
The Nexlab WY Page Main Text Page