545
FNUS55 KBYZ 220841
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
241 AM MDT THU MAY 22 2025
DISCUSSION
TODAY WILL BE WARMER WITH DEVELOPING EAST WINDS (GUSTS 15-25
MPH). EXPECT SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS TO
DEVELOP OVER WESTERN ZONES BY LATE AFTERNOON, THEN TRACK EASTWARD
ACROSS THE REGION TONIGHT, ENDING IN THE EAST BY DAYBREAK FRIDAY.
PRECIP AMOUNTS SHOULD BE 0.30" OR LESS. THE WEATHER PATTERN WILL
REMAIN ACTIVE FRIDAY THROUGH SUNDAY WITH A DAILY CHANCE OF SHOWERS
AND THUNDERSTORMS, AND SEASONABLE TEMPERATURES. THERE ARE SIGNS
OF WARMER AND DRIER WEATHER FOR MEMORIAL DAY AND THE FIRST HALF OF
NEXT WEEK. JKL
MTZ123-222215-
GALLATIN NATIONAL FOREST-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......57-67 AT 5000 FEET...49-59 AT 7000 FEET.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........29-39 PERCENT AT 5000 FEET...32-42 PERCENT
AT 7000 FEET.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 10 MPH.
* RIDGETOP.............SOUTH 10 TO 20 MPH.
* CHANCE OF LIGHTNING...24 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.......35-44 AT 5000 FEET...29-38 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE WARMER.
* MAX HUMIDITY..........81-91 PERCENT AT 5000 FEET...79-89 PERCENT
AT 7000 FEET.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING
BECOMING LIGHT OVERNIGHT.
* RIDGETOP.............WEST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...16 PERCENT.
* CWR...................50 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......59-69 AT 5000 FEET...49-59 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........29-39 PERCENT AT 5000 FEET...36-46 PERCENT
AT 7000 FEET.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 10 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 37 TO 46.
LIGHT WINDS.
SATURDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 37 TO 46. HIGHS 58 TO 68. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 39 TO 47. HIGHS 64 TO 74. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 42 TO 50. HIGHS 70 TO 80. SOUTHEAST WINDS
5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 42 TO 51. HIGHS 70 TO 80.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS 72 TO 82.
MTZ124-222215-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......62-67.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........37-42 PERCENT.
* 24 HR TREND.........12 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH IN THE MORNING
INCREASING TO 15 TO 25 MPH WITH GUSTS TO AROUND 30 MPH IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...17 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. NUMEROUS RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE EVENING, THEN ISOLATED RAIN SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......37-42.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........89-94 PERCENT.
* 24 HR TREND.........12 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 10 TO 20 MPH IN THE EVENING
SHIFTING TO THE WEST 5 TO 15 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...19 PERCENT.
* CWR...................70 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......61-66.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. SCATTERED SHOWERS. LOWS 37 TO 42.
EAST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 39 TO 44. HIGHS 61 TO 66. EAST WINDS 5 TO
15 MPH.
SUNDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
40 TO 45. HIGHS 65 TO 70. SOUTHEAST WINDS 5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
43 TO 48. HIGHS 69 TO 74. SOUTHEAST WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 44 TO 49. HIGHS 71 TO 76.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS 73 TO 78.
MTZ125-222215-
STILLWATER COUNTY-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......65-70.
* 24 HR TREND.........11 DEGREES WARMER.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........UNCHANGED.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...19 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS
AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR
OVERNIGHT.
* MIN TEMPERATURE.......39-44.
* 24 HR TREND.........2 DEGREES WARMER.
* MAX HUMIDITY..........80-85 PERCENT.
* 24 HR TREND.........12 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................20 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......64-69.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........38-43 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 10 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 41 TO 46.
EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 41 TO 46. HIGHS 61 TO 66. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
42 TO 47. HIGHS 66 TO 71. EAST WINDS 5 TO 10 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
45 TO 50. HIGHS 70 TO 75. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 46 TO 51. HIGHS 72 TO 77.
WEDNESDAY
MOSTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 75 TO 80.
MTZ126-222215-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......60-67 AT 5000 FEET...52-62 AT 7000 FEET.
* 24 HR TREND.........16 DEGREES WARMER.
* MIN HUMIDITY..........27-37 PERCENT AT 5000 FEET...37-47 PERCENT
AT 7000 FEET.
* 24 HR TREND.........17 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTH WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 10 TO 20 MPH.
* CHANCE OF LIGHTNING...18 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS
AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR
OVERNIGHT.
* MIN TEMPERATURE.......40-46 AT 5000 FEET...31-41 AT 7000 FEET.
* 24 HR TREND.........9 DEGREES WARMER.
* MAX HUMIDITY..........73-78 PERCENT.
* 24 HR TREND.........23 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................40 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......60-67 AT 5000 FEET...52-62 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........32-42 PERCENT AT 5000 FEET...37-47 PERCENT
AT 7000 FEET.
* 24 HR TREND.........11 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTH WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
SNOW SHOWERS. LOWS 42 TO 47. NORTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS AND SCATTERED THUNDERSTORMS.
LOWS 43 TO 48. HIGHS 57 TO 66. NORTHWEST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 43 TO 49. HIGHS 60 TO 69. NORTHWEST WINDS
5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
46 TO 52. HIGHS 65 TO 74. SOUTH WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 47 TO 53. HIGHS 68 TO 76.
WEDNESDAY
MOSTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 70 TO 77.
MTZ127-222215-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......63-68.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........5 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...12 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH NUMEROUS RAIN SHOWERS
AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR WITH
ISOLATED RAIN SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......43-48.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........77-82 PERCENT.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH IN THE EVENING
SHIFTING TO THE SOUTHWEST 5 TO 15 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................20 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......59-64.
* 24 HR TREND.........4 DEGREES COOLER.
* MIN HUMIDITY..........48-53 PERCENT.
* 24 HR TREND.........16 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 41 TO 46.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 44 TO 49. HIGHS 59 TO 64. NORTHEAST WINDS
5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
44 TO 49. HIGHS 62 TO 67. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 47 TO 52. HIGHS 66 TO 71. SOUTHEAST
WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 48 TO 53. HIGHS 69 TO 74.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS 72 TO 77.
MTZ128-222215-
YELLOWSTONE COUNTY-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........32-37 PERCENT.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS
AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR
OVERNIGHT.
* MIN TEMPERATURE.......44-49.
* 24 HR TREND.........5 DEGREES WARMER.
* MAX HUMIDITY..........83-88 PERCENT.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 10 TO 20 MPH IN THE EVENING
SHIFTING TO THE NORTHWEST 5 TO 15 MPH OVERNIGHT.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................10 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......66-71.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........38-43 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 44 TO 49.
NORTHEAST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 45 TO 50. HIGHS 64 TO 69. NORTHEAST WINDS
5 TO 15 MPH.
SUNDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
44 TO 49. HIGHS 67 TO 72. EAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 48 TO 53. HIGHS 71 TO 76. EAST WINDS
5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS.
LOWS 49 TO 54. HIGHS 74 TO 79.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS 77 TO 82.
MTZ129-222215-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......60-70 AT 5000 FEET...54-59 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........27-37 PERCENT AT 5000 FEET...34-41 PERCENT
AT 7000 FEET.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTH 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS
AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR
OVERNIGHT.
* MIN TEMPERATURE.......40-47 AT 5000 FEET...37-42 AT 7000 FEET.
* 24 HR TREND.........3 DEGREES WARMER.
* MAX HUMIDITY..........69-79 PERCENT AT 5000 FEET...73-83 PERCENT
AT 7000 FEET.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE EVENING.
* RIDGETOP.............SOUTH 15 TO 25 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FRIDAY
* SKY/WEATHER...........SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......58-68 AT 5000 FEET...52-58 AT 7000 FEET.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........35-45 PERCENT AT 5000 FEET...44-53 PERCENT
AT 7000 FEET.
* 24 HR TREND.........10 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 20 TO 35 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 41 TO 47.
NORTHEAST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS AND SCATTERED THUNDERSTORMS.
LOWS 42 TO 48. HIGHS 55 TO 65. EAST WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 43 TO 49. HIGHS 59 TO 69. SOUTHEAST WINDS
5 TO 15 MPH.
MONDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
45 TO 52. HIGHS 64 TO 74. SOUTHEAST WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 47 TO 53. HIGHS 66 TO 76.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS 69 TO 79.
MTZ130-222215-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........SUNNY.
* MAX TEMPERATURE.......68-73.
* 24 HR TREND.........8 DEGREES WARMER.
* MIN HUMIDITY..........25-30 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE EVENING, THEN NUMEROUS RAIN SHOWERS
AND ISOLATED THUNDERSTORMS OVERNIGHT.
* MIN TEMPERATURE.......45-50.
* 24 HR TREND.........8 DEGREES WARMER.
* MAX HUMIDITY..........86-91 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................20 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......63-68.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........46-51 PERCENT.
* 24 HR TREND.........21 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTH WINDS 5 TO 15 MPH IN THE MORNING
SHIFTING TO THE NORTHWEST IN THE AFTERNOON.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 43 TO 48.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 46 TO 51. HIGHS 64 TO 69. EAST WINDS 5 TO
10 MPH.
SUNDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 44 TO 49. HIGHS 64 TO 69. EAST WINDS 5 TO
15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 45 TO 50. HIGHS 69 TO 74. SOUTHEAST
WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 49 TO 54. HIGHS
73 TO 78.
WEDNESDAY
MOSTLY SUNNY. HIGHS 77 TO 82.
MTZ131-222215-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......67-72.
* 24 HR TREND.........7 DEGREES WARMER.
* MIN HUMIDITY..........27-32 PERCENT.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTH 5 TO 10 MPH.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........PARTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE EVENING, THEN SCATTERED RAIN
SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......42-47.
* 24 HR TREND.........9 DEGREES WARMER.
* MAX HUMIDITY..........87-92 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE EVENING.
* RIDGETOP.............SOUTHWEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...16 PERCENT.
* CWR...................30 PERCENT.
FRIDAY
* SKY/WEATHER...........SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......66-71.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........39-44 PERCENT.
* 24 HR TREND.........12 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 15 TO 30 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 42 TO 47.
NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 44 TO 49. HIGHS 60 TO 65. EAST WINDS 5 TO
15 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND THUNDERSTORMS.
LOWS 42 TO 47. HIGHS 61 TO 66. EAST WINDS 5 TO 15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 44 TO 49. HIGHS 66 TO 71. SOUTHEAST
WINDS 5 TO 15 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 47 TO 52. HIGHS
71 TO 76.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS 74 TO 79.
MTZ132-222215-
CUSTER COUNTY-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......63-68.
* 24 HR TREND.........3 DEGREES WARMER.
* MIN HUMIDITY..........31-36 PERCENT.
* 24 HR TREND.........1 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED RAIN SHOWERS IN THE
EVENING, THEN NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS
OVERNIGHT.
* MIN TEMPERATURE.......43-48.
* 24 HR TREND.........7 DEGREES WARMER.
* MAX HUMIDITY..........84-89 PERCENT.
* 24 HR TREND.........3 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................50 PERCENT.
FRIDAY
* SKY/WEATHER...........PARTLY SUNNY WITH SCATTERED RAIN SHOWERS.
* MAX TEMPERATURE.......58-63.
* 24 HR TREND.........5 DEGREES COOLER.
* MIN HUMIDITY..........60-65 PERCENT.
* 24 HR TREND.........29 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...9 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 43 TO 48.
SOUTHEAST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 44 TO 49.
HIGHS 58 TO 63. SOUTHEAST WINDS 5 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 42 TO 47. HIGHS 58 TO 63. SOUTHEAST WINDS
5 TO 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 43 TO 48. HIGHS 60 TO 65. SOUTHEAST
WINDS 5 TO 15 MPH.
TUESDAY
MOSTLY CLEAR. ISOLATED SHOWERS. LOWS 47 TO 52. HIGHS
66 TO 71.
WEDNESDAY
SUNNY. HIGHS 71 TO 76.
MTZ133-222215-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........SUNNY. PATCHY FOG IN THE MORNING.
* MAX TEMPERATURE.......62-67.
* 24 HR TREND.........6 DEGREES WARMER.
* MIN HUMIDITY..........42-47 PERCENT.
* 24 HR TREND.........13 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE EVENING, THEN NUMEROUS RAIN SHOWERS
AND ISOLATED THUNDERSTORMS OVERNIGHT.
* MIN TEMPERATURE.......42-47.
* 24 HR TREND.........9 DEGREES WARMER.
* MAX HUMIDITY..........94-99 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 30 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................60 PERCENT.
FRIDAY
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS.
* MAX TEMPERATURE.......52-57.
* 24 HR TREND.........10 DEGREES COOLER.
* MIN HUMIDITY..........75-80 PERCENT.
* 24 HR TREND.........33 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 15 TO 25 MPH.
* CHANCE OF LIGHTNING...11 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 42 TO 47.
SOUTHEAST WINDS 10 TO 20 MPH.
SATURDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 44 TO 49. HIGHS 54 TO 59. SOUTHEAST WINDS
10 TO 20 MPH.
SUNDAY
MOSTLY CLOUDY. NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 41 TO 46. HIGHS 53 TO 58. SOUTHEAST WINDS
10 TO 20 MPH.
MONDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 41 TO 46. HIGHS
57 TO 62. SOUTHEAST WINDS 10 TO 20 MPH.
TUESDAY
PARTLY CLOUDY. ISOLATED SHOWERS. LOWS 43 TO 48. HIGHS
63 TO 68.
WEDNESDAY
MOSTLY SUNNY. HIGHS 68 TO 73.
WYZ274-222215-
SHERIDAN COUNTY-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......67-72.
* 24 HR TREND.........12 DEGREES WARMER.
* MIN HUMIDITY..........33-38 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE AFTERNOON.
* RIDGETOP.............SOUTH 5 TO 15 MPH.
* CHANCE OF LIGHTNING...10 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY WITH SCATTERED RAIN SHOWERS
AND ISOLATED THUNDERSTORMS IN THE EVENING, THEN MOSTLY CLEAR
OVERNIGHT.
* MIN TEMPERATURE.......39-44.
* 24 HR TREND.........6 DEGREES WARMER.
* MAX HUMIDITY..........89-94 PERCENT.
* 24 HR TREND.........2 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........SOUTHEAST WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE SOUTHWEST 5 TO 10 MPH OVERNIGHT.
* RIDGETOP.............SOUTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................10 PERCENT.
FRIDAY
* SKY/WEATHER...........SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......65-70.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........41-46 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. ISOLATED SHOWERS. LOWS 41 TO 46.
WEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS AND SCATTERED THUNDERSTORMS.
LOWS 41 TO 46. HIGHS 59 TO 64. EAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 39 TO 44. HIGHS 62 TO 67. EAST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS. LOWS
41 TO 46. HIGHS 68 TO 73. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 44 TO 49. HIGHS 71 TO 76.
WEDNESDAY
MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS.
HIGHS 74 TO 79.
WYZ284-222215-
BIGHORN NATIONAL FOREST-
241 AM MDT THU MAY 22 2025
TODAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.......53-58.
* 24 HR TREND.........11 DEGREES WARMER.
* MIN HUMIDITY..........30-35 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTH WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...15 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED THUNDERSTORMS IN THE EVENING.
* MIN TEMPERATURE.......33-38.
* 24 HR TREND.........7 DEGREES WARMER.
* MAX HUMIDITY..........72-77 PERCENT.
* 24 HR TREND.........14 PERCENT DRIER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...16 PERCENT.
* CWR...................20 PERCENT.
FRIDAY
* SKY/WEATHER...........SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......53-58.
* 24 HR TREND.........UNCHANGED.
* MIN HUMIDITY..........36-41 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......NORTHWEST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
FRIDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS. LOWS 34 TO 39.
NORTHWEST WINDS 5 TO 15 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS AND SCATTERED THUNDERSTORMS.
LOWS 33 TO 38. HIGHS 47 TO 52. NORTH WINDS 5 TO 15 MPH.
SUNDAY
PARTLY CLOUDY. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS. LOWS 32 TO 37. HIGHS 49 TO 54. NORTHWEST WINDS
5 TO 15 MPH.
MONDAY
MOSTLY CLEAR. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 36 TO 41. HIGHS 55 TO 60. WEST WINDS 5 TO
15 MPH.
TUESDAY
PARTLY CLOUDY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 37 TO 42. HIGHS 59 TO 64.
WEDNESDAY
MOSTLY SUNNY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. HIGHS 61 TO 66.
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