568
FNUS55 KBYZ 020847
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
247 AM MDT SAT MAY 2 2026
DISCUSSION
THE WEEKEND WILL BE WARM WITH MIN RHS IN THE UPPER TEENS AND 20S.
ISOLATED SHOWERS AND WEAK THUNDERSTORMS ARE EXPECTED FROM LATE
THIS AFTERNOON TO EARLY SUNDAY ACROSS THE REGION, THEN AGAIN
SUNDAY AFTERNOON AND EVENING NEAR THE MOUNTAINS/FOOTHILLS. A
CANADIAN FRONT WILL BRING BREEZY N-NE WINDS THIS AFTERNOON AND
EVENING (GUSTS 15-25 MPH). A PUSH OF COOLER CANADIAN AIR IS
EXPECTED MONDAY AND TUESDAY, ALONG WITH SCATTERED SHOWERS WHICH
MAY INCLUDE WET SNOW ALONG THE FOOTHILLS. THE CHANCES OF WETTING
RAIN WILL REMAIN LOW EARLY NEXT WEEK (20-30% ALONG FOOTHILLS). JKL
MTZ123-022215-
GALLATIN NATIONAL FOREST-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......65-73 AT 5000 FEET...51-61 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........15-25 PERCENT AT 5000 FEET...23-33 PERCENT
AT 7000 FEET.
* 24 HR TREND.........5 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......37-46 AT 5000 FEET...32-42 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........67-77 PERCENT AT 5000 FEET...63-73 PERCENT
AT 7000 FEET.
* 24 HR TREND.........18 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......62-71 AT 5000 FEET...51-61 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........20-30 PERCENT AT 5000 FEET...25-35 PERCENT
AT 7000 FEET.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...14 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 46. SOUTHWEST WINDS
5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED SNOW
SHOWERS. LOWS 28 TO 36. HIGHS 53 TO 63. NORTH WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 25 TO 34.
HIGHS 45 TO 55. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. LOWS 36 TO 46. HIGHS 57 TO
66. WEST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 40 TO 48. HIGHS 65 TO 74.
FRIDAY
MOSTLY SUNNY. ISOLATED SHOWERS. HIGHS 65 TO 75.
MTZ124-022215-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........24-29 PERCENT.
* 24 HR TREND.........13 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......38-43.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........79-84 PERCENT.
* 24 HR TREND.........29 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE WEST 5 TO 10 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...16 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........24-29 PERCENT.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 39 TO 44. NORTHWEST WINDS
5 TO 15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
SNOW SHOWERS. LOWS 29 TO 34. HIGHS 52 TO 57. NORTH WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 27 TO 32.
HIGHS 48 TO 53. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
35 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 39 TO
44. HIGHS 61 TO 66. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 41 TO 46. HIGHS 68 TO 73.
FRIDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS
68 TO 73.
MTZ125-022215-
STILLWATER COUNTY-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........18-23 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING.
* MIN TEMPERATURE.......40-45.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........67-72 PERCENT.
* 24 HR TREND.........21 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 10 MPH IN THE EVENING
SHIFTING TO THE WEST OVERNIGHT.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........24-29 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...17 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 41 TO 46.
WEST WINDS 5 TO 10 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW
SHOWERS. LOWS 32 TO 37. HIGHS 55 TO 60. NORTH WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS, SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS 29 TO 34. HIGHS 48 TO 53. NORTHWEST
WINDS 5 TO 15 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 41 TO
46. HIGHS 61 TO 66. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
35 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 43 TO 48. HIGHS 70 TO 75.
FRIDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS
71 TO 76.
MTZ126-022215-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS AND
SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......63-73 AT 5000 FEET...55-65 AT 7000 FEET.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........17-23 PERCENT AT 5000 FEET...22-32 PERCENT
AT 7000 FEET.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND
SNOW SHOWERS IN THE EVENING.
* MIN TEMPERATURE.......41-48 AT 5000 FEET...34-44 AT 7000 FEET.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........58-68 PERCENT AT 5000 FEET...55-65 PERCENT
AT 7000 FEET.
* 24 HR TREND.........18 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS, SNOW
SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......62-70 AT 5000 FEET...53-63 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........24-34 PERCENT AT 5000 FEET...31-41 PERCENT
AT 7000 FEET.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...19 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 42 TO 47.
WEST WINDS 5 TO 15 MPH.
MONDAY
COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS
32 TO 37. HIGHS 50 TO 57. NORTH WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 29 TO 34. HIGHS 42 TO 50. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
NOT AS COOL. PARTLY CLOUDY. ISOLATED SHOWERS AND
SNOW SHOWERS. LOWS 39 TO 44. HIGHS 52 TO 62. WEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 50 MPH.
THURSDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 44 TO 49. HIGHS 62 TO 71.
FRIDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS
64 TO 72.
MTZ127-022215-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......64-69.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........26-31 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......44-49.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........66-71 PERCENT.
* 24 HR TREND.........25 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........21-26 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 49. NORTHWEST WINDS
5 TO 15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 32 TO
37. HIGHS 52 TO 57. NORTH WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 31 TO 36.
HIGHS 46 TO 51. NORTH WINDS 5 TO 15 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 42 TO
47. HIGHS 58 TO 63. WEST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 46 TO 51. HIGHS
66 TO 71.
FRIDAY
MOSTLY SUNNY. HIGHS 68 TO 73.
MTZ128-022215-
YELLOWSTONE COUNTY-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........1 DEGREE WARMER.
* MIN HUMIDITY..........20-25 PERCENT.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH IN THE MORNING
SHIFTING TO THE NORTH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......43-48.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........77-82 PERCENT.
* 24 HR TREND.........34 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
* MAX TEMPERATURE.......72-77.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........21-26 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 44 TO 49. WEST WINDS 5 TO
15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 34 TO
39. HIGHS 55 TO 60. NORTH WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW SHOWERS.
LOWS 31 TO 36. HIGHS 51 TO 56. NORTH WINDS 5 TO 15 MPH.
WEDNESDAY
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 41 TO
46. HIGHS 63 TO 68. WEST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 44 TO 49. HIGHS 71 TO 76.
FRIDAY
MOSTLY SUNNY. HIGHS 73 TO 78.
MTZ129-022215-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......62-72 AT 5000 FEET...57-62 AT 7000 FEET.
* 24 HR TREND.........4 DEGREES WARMER.
* MIN HUMIDITY..........15-24 PERCENT AT 5000 FEET...21-26 PERCENT
AT 7000 FEET.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............NORTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......42-47 AT 5000 FEET...39-44 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........62-72 PERCENT AT 5000 FEET...58-68 PERCENT
AT 7000 FEET.
* 24 HR TREND.........30 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................10 PERCENT.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY WITH SCATTERED RAIN SHOWERS.
* MAX TEMPERATURE.......62-72 AT 5000 FEET...54-61 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........22-31 PERCENT AT 5000 FEET...27-37 PERCENT
AT 7000 FEET.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH IN THE MORNING
SHIFTING TO THE NORTHWEST 5 TO 15 MPH IN THE AFTERNOON.
* RIDGETOP.............NORTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...14 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 47. WEST WINDS 5 TO
15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS AND SNOW
SHOWERS. LOWS 31 TO 36. HIGHS 47 TO 57. NORTHWEST WINDS 5 TO
15 MPH WITH GUSTS TO AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 28 TO 34.
HIGHS 41 TO 51. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS.
LOWS 39 TO 45. HIGHS 50 TO 60. WEST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 43 TO 49. HIGHS 61 TO 71.
FRIDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS
63 TO 73.
MTZ130-022215-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......69-74.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........26-31 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS.
* MIN TEMPERATURE.......41-46.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........78-83 PERCENT.
* 24 HR TREND.........24 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
* MAX TEMPERATURE.......71-76.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........22-27 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 43 TO 48.
WEST WINDS 5 TO 15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 32 TO
37. HIGHS 55 TO 60. NORTH WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLOUDY. ISOLATED SHOWERS AND SNOW SHOWERS. LOWS
29 TO 34. HIGHS 50 TO 55. NORTH WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 36 TO 41. HIGHS 58 TO 63. WEST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 43 TO 48. HIGHS
68 TO 73.
FRIDAY
PARTLY SUNNY. HIGHS 71 TO 76.
MTZ131-022215-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......71-76.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........20-25 PERCENT.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............NORTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......41-46.
* 24 HR TREND.........8 DEGREES WARMER.
* MAX HUMIDITY..........79-84 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS IN
THE MORNING, THEN SUNNY IN THE AFTERNOON.
* MAX TEMPERATURE.......69-74.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........23-28 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 10 MPH.
* RIDGETOP.............NORTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...11 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 40 TO 45. WEST WINDS 5 TO
15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 29 TO
34. HIGHS 55 TO 60. NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO
AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 27 TO 32.
HIGHS 48 TO 53. NORTHWEST WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 34 TO 39. HIGHS 55 TO 60. WEST
WINDS 5 TO 10 MPH.
THURSDAY
WARMER. PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS. LOWS 41 TO 46. HIGHS 66 TO 71.
FRIDAY
PARTLY SUNNY. HIGHS 71 TO 76.
MTZ132-022215-
CUSTER COUNTY-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......67-72.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........26-31 PERCENT.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......39-44.
* 24 HR TREND.........UNCHANGED.
* MAX HUMIDITY..........69-74 PERCENT.
* 24 HR TREND.........22 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......67-72.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........21-26 PERCENT.
* 24 HR TREND.........5 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 46. WEST WINDS 5 TO
15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 28 TO
33. HIGHS 52 TO 57. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY. LOWS 26 TO 31. HIGHS 46 TO 51. NORTH
WINDS 5 TO 15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 32 TO 37. HIGHS 52 TO 57. WEST
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 39 TO 44. HIGHS 62 TO 67.
FRIDAY
MOSTLY SUNNY. HIGHS 66 TO 71.
MTZ133-022215-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......69-74.
* 24 HR TREND.........9 DEGREES WARMER.
* MIN HUMIDITY..........25-30 PERCENT.
* 24 HR TREND.........5 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 15 TO 25 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY.
* MIN TEMPERATURE.......38-43.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........77-82 PERCENT.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING THEN CLEARING.
* MAX TEMPERATURE.......67-72.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........26-31 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. LOWS 41 TO 46. WEST WINDS 5 TO
15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 28 TO
33. HIGHS 54 TO 59. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 25 TO 30. HIGHS 47 TO 52.
NORTHWEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 29 TO 34. HIGHS 52 TO 57.
NORTHWEST WINDS 5 TO 15 MPH.
THURSDAY
PARTLY CLOUDY. LOWS 37 TO 42. HIGHS 62 TO 67.
FRIDAY
MOSTLY SUNNY. HIGHS 66 TO 71.
WYZ274-022215-
SHERIDAN COUNTY-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......71-76.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........18-23 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH.
* RIDGETOP.............NORTHWEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH ISOLATED RAIN SHOWERS.
* MIN TEMPERATURE.......37-42.
* 24 HR TREND.........9 DEGREES WARMER.
* MAX HUMIDITY..........85-90 PERCENT.
* 24 HR TREND.........28 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHEAST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................ZERO.
SUNDAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING, THEN SCATTERED RAIN SHOWERS AND ISOLATED THUNDERSTORMS
IN THE AFTERNOON.
* MAX TEMPERATURE.......67-72.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........28-33 PERCENT.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING
NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............NORTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...20 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
MOSTLY CLEAR. LOWS 39 TO 44. WEST WINDS 5 TO
15 MPH.
MONDAY
COOLER. MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 28 TO
33. HIGHS 55 TO 60. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
TUESDAY
MOSTLY CLOUDY. SCATTERED SHOWERS, SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS 24 TO 29. HIGHS 46 TO 51. NORTHWEST
WINDS 5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 33 TO 38.
HIGHS 55 TO 60. WEST WINDS 5 TO 15 MPH WITH GUSTS TO AROUND
30 MPH.
THURSDAY
WARMER. MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 39 TO 44. HIGHS 66 TO 71.
FRIDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS. HIGHS
68 TO 73.
WYZ284-022215-
BIGHORN NATIONAL FOREST-
247 AM MDT SAT MAY 2 2026
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......52-57.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........22-27 PERCENT.
* 24 HR TREND.........6 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING, THEN SCATTERED RAIN SHOWERS AND SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......31-36.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........70-75 PERCENT.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...12 PERCENT.
* CWR...................10 PERCENT.
SUNDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE MORNING, THEN NUMEROUS RAIN SHOWERS AND ISOLATED
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......49-54.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........37-42 PERCENT.
* 24 HR TREND.........15 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...20 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
SUNDAY NIGHT
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
SNOW SHOWERS. LOWS 31 TO 36. WEST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 19 TO 24. HIGHS 41 TO 46. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
TUESDAY
COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND
ISOLATED THUNDERSTORMS. LOWS 15 TO 20. HIGHS 31 TO 36. NORTHWEST
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 35 MPH.
WEDNESDAY
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 27 TO
32. HIGHS 40 TO 45. WEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
40 MPH.
THURSDAY
WARMER. MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 32 TO 37. HIGHS 51 TO 56.
FRIDAY
MOSTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 53 TO 58.
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