642
FNUS55 KBYZ 300753
FWFBYZ
FIRE WEATHER PLANNING FORECAST FOR SCEN AND SERN MONTANA
NATIONAL WEATHER SERVICE BILLINGS MT
153 AM MDT MON MAR 30 2026
..STRONG COLD FRONT ARRIVES THIS AFTERNOON
DISCUSSION
A STRONG CANADIAN COLD FRONT ARRIVES THIS AFTERNOON. PRIOR TO THE
FRONTAL PASSAGE, DRY/WELL-MIXED WEST WINDS MAY DEVELOP ALONG THE
EAST SIDE OF THE BIGHORNS, YIELDING A BRIEF PERIOD OF ELEVATED
GRASS FIRE RISK. WITH THE FRONT WILL COME A SHIFT TO BRISK NW-N
WINDS, MUCH COOLER TEMPS AND A PERIOD OF RAIN/WET SNOW WHICH WILL
SPREAD FROM NORTH TO SOUTH THIS AFTERNOON AND TONIGHT. GREATEST
CHANCE OF WETTING PRECIP (60-90%) IS ALONG THE SOUTHERN FOOTHILLS.
SCATTERED LIGHT RAIN/SNOW SHOWERS ARE EXPECTED TUESDAY & WEDNESDAY
(COOLER & WETTER DAYS THEN PREVIOUSLY THOUGHT). CONFIDENCE IS
GROWING FOR A DYNAMIC WEATHER SYSTEM TO IMPACT THE REGION THURSDAY
& FRIDAY, BRINGING POTENTIAL WIDESPREAD RAIN/WET SNOW AND GUSTY
WINDS. JKL
MTZ123-302215-
GALLATIN NATIONAL FOREST-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY IN THE MORNING, THEN CLOUDY
WITH SNOW IN THE AFTERNOON.
* MAX TEMPERATURE.......52-62 AT 5000 FEET...41-51 AT 7000 FEET.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........27-37 PERCENT AT 5000 FEET...37-47 PERCENT
AT 7000 FEET.
* 24 HR TREND.........7 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................70 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW IN THE EVENING, THEN
ISOLATED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......20-30 AT 5000 FEET...14-24 AT 7000 FEET.
* 24 HR TREND.........19 DEGREES COOLER.
* MAX HUMIDITY..........74-84 PERCENT AT 5000 FEET...78-88 PERCENT
AT 7000 FEET.
* 24 HR TREND.........41 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 5 TO 15 MPH IN THE EVENING
SHIFTING TO THE EAST 5 TO 10 MPH OVERNIGHT.
* RIDGETOP.............NORTHWEST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................80 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE MORNING, THEN SNOW LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.......40-50 AT 5000 FEET...31-41 AT 7000 FEET.
* 24 HR TREND.........9 DEGREES COOLER.
* MIN HUMIDITY..........47-57 PERCENT AT 5000 FEET...55-65 PERCENT
AT 7000 FEET.
* 24 HR TREND.........27 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........LIGHT WINDS IN THE MORNING BECOMING
NORTHEAST 5 TO 10 MPH IN THE AFTERNOON.
* RIDGETOP.............NORTHEAST 5 TO 10 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................40 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SNOW LIKELY. LOWS 26 TO 36. LIGHT
WINDS.
WEDNESDAY
MOSTLY CLOUDY. SNOW AND RAIN. LOWS 30 TO 40. HIGHS
47 TO 57. SOUTH WINDS 5 TO 10 MPH.
THURSDAY
CLOUDY. SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS
24 TO 33. HIGHS 43 TO 52. WEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 23 TO 31.
HIGHS 38 TO 48. WEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 29 TO 36. HIGHS 48 TO 58.
SUNDAY
MOSTLY SUNNY. HIGHS 55 TO 63.
MTZ124-302215-
WHEATLAND COUNTY/SWEET GRASS COUNTY-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS IN
THE MORNING, THEN RAIN AND SNOW LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.......48-53.
* 24 HR TREND.........17 DEGREES COOLER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WINDY IN THE AFTERNOON. SOUTHWEST WINDS 10
TO 20 MPH WITH GUSTS TO AROUND 30 MPH IN THE MORNING INCREASING
TO NORTHWEST 15 TO 30 MPH WITH GUSTS TO AROUND 40 MPH IN THE
AFTERNOON.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE EVENING.
* MIN TEMPERATURE.......20-25.
* 24 HR TREND.........15 DEGREES COOLER.
* MAX HUMIDITY..........69-74 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 40 MPH IN THE EVENING BECOMING NORTHEAST 5 TO 15 MPH
OVERNIGHT.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......38-43.
* 24 HR TREND.........10 DEGREES COOLER.
* MIN HUMIDITY..........42-47 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............SOUTHEAST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
24 TO 29. SOUTHEAST WINDS 5 TO 15 MPH.
WEDNESDAY
WARMER. MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
SNOW SHOWERS. LOWS 30 TO 35. HIGHS 49 TO 54. SOUTHEAST WINDS 5 TO
15 MPH.
THURSDAY
MOSTLY CLOUDY. SNOW SHOWERS, SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 28 TO 33. HIGHS 45 TO 50. SOUTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 26 TO 31.
HIGHS 41 TO 46. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
SATURDAY
WARMER. MOSTLY CLEAR. LOWS 31 TO 36. HIGHS 53 TO 58.
SUNDAY
MOSTLY SUNNY. HIGHS 59 TO 64.
MTZ125-302215-
STILLWATER COUNTY-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........SUNNY IN THE MORNING, THEN PARTLY SUNNY
WITH RAIN IN THE AFTERNOON.
* MAX TEMPERATURE.......61-66.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........28-33 PERCENT.
* 24 HR TREND.........12 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...7 PERCENT.
* CWR...................60 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW IN THE EVENING, THEN
SNOW LIKELY OVERNIGHT.
* MIN TEMPERATURE.......23-28.
* 24 HR TREND.........17 DEGREES COOLER.
* MAX HUMIDITY..........81-86 PERCENT.
* 24 HR TREND.........33 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................80 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE
MORNING, THEN SCATTERED SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......41-46.
* 24 HR TREND.........20 DEGREES COOLER.
* MIN HUMIDITY..........54-59 PERCENT.
* 24 HR TREND.........26 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SNOW AND RAIN LIKELY. LOWS 26 TO
31. NORTH WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW
SHOWERS. LOWS 31 TO 36. HIGHS 49 TO 54. EAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. SNOW SHOWERS, SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 30 TO 35. HIGHS 51 TO 56. NORTHWEST WINDS
5 TO 15 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND SCATTERED
SHOWERS. LOWS 26 TO 31. HIGHS 44 TO 49. NORTHWEST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 35 MPH.
SATURDAY
WARMER. MOSTLY CLEAR. LOWS 31 TO 36. HIGHS 55 TO 60.
SUNDAY
MOSTLY SUNNY. HIGHS 62 TO 67.
MTZ126-302215-
BEARTOOTH RANGER DISTRICT CUSTER NATIONAL FOREST-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........SUNNY. SNOW LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.......59-68 AT 5000 FEET...49-59 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........23-33 PERCENT AT 5000 FEET...30-40 PERCENT
AT 7000 FEET.
* 24 HR TREND.........4 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WINDY. WEST WINDS 20 TO 35 MPH WITH GUSTS TO
AROUND 55 MPH.
* RIDGETOP.............WEST 25 TO 40 MPH.
* CHANCE OF LIGHTNING...8 PERCENT.
* CWR...................20 PERCENT.
TONIGHT
* SKY/WEATHER...........BLOWING SNOW IN THE EVENING. CLOUDY WITH
SNOW.
* MIN TEMPERATURE.......23-30 AT 5000 FEET...14-24 AT 7000 FEET.
* 24 HR TREND.........22 DEGREES COOLER.
* MAX HUMIDITY..........75-85 PERCENT AT 5000 FEET...81-91 PERCENT
AT 7000 FEET.
* 24 HR TREND.........39 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 40 MPH IN THE EVENING BECOMING NORTH 10 TO 20 MPH
OVERNIGHT.
* RIDGETOP.............NORTH 15 TO 30 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................90 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE MORNING, THEN SNOW LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.......40-47 AT 5000 FEET...32-42 AT 7000 FEET.
* 24 HR TREND.........16 DEGREES COOLER.
* MIN HUMIDITY..........48-58 PERCENT AT 5000 FEET...59-69 PERCENT
AT 7000 FEET.
* 24 HR TREND.........38 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.
* RIDGETOP.............EAST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................30 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SNOW LIKELY. LOWS 27 TO 34. WEST
WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SNOW LIKELY. LOWS 32 TO 41. HIGHS
47 TO 52. WEST WINDS 5 TO 15 MPH.
THURSDAY
CLOUDY. SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS
29 TO 34. HIGHS 49 TO 56. WEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 40 MPH.
FRIDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 27 TO 32.
HIGHS 35 TO 45. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
45 MPH.
SATURDAY
MOSTLY CLEAR. ISOLATED SNOW SHOWERS. LOWS 33 TO 38.
HIGHS 47 TO 56.
SUNDAY
SUNNY. HIGHS 54 TO 63.
MTZ127-302215-
GOLDEN VALLEY COUNTY/MUSSELSHELL COUNTY-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
MORNING, THEN SNOW LIKELY AND SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......48-53.
* 24 HR TREND.........15 DEGREES COOLER.
* MIN HUMIDITY..........39-44 PERCENT.
* 24 HR TREND.........17 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 15 TO 25 MPH.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................50 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW LIKELY IN THE EVENING,
THEN ISOLATED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......17-22.
* 24 HR TREND.........19 DEGREES COOLER.
* MAX HUMIDITY..........71-76 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................30 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......39-44.
* 24 HR TREND.........9 DEGREES COOLER.
* MIN HUMIDITY..........38-43 PERCENT.
* 24 HR TREND.........1 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 26 TO
31. EAST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW
SHOWERS. LOWS 31 TO 36. HIGHS 47 TO 52. EAST WINDS 5 TO 15 MPH.
THURSDAY
CLOUDY. SNOW SHOWERS, SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 30 TO 35. HIGHS 49 TO 54. NORTHEAST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS
26 TO 31. HIGHS 38 TO 43. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS
TO AROUND 30 MPH.
SATURDAY
WARMER. PARTLY CLOUDY. LOWS 34 TO 39. HIGHS 52 TO 57.
SUNDAY
MOSTLY SUNNY. HIGHS 59 TO 64.
MTZ128-302215-
YELLOWSTONE COUNTY-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. RAIN LIKELY AND ISOLATED SNOW
SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......57-62.
* 24 HR TREND.........11 DEGREES COOLER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........13 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................40 PERCENT.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW LIKELY AND RAIN IN THE
EVENING, THEN SCATTERED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......24-29.
* 24 HR TREND.........13 DEGREES COOLER.
* MAX HUMIDITY..........71-76 PERCENT.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 35
MPH IN THE EVENING.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................70 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......44-49.
* 24 HR TREND.........13 DEGREES COOLER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS AND RAIN
SHOWERS. LOWS 27 TO 32. NORTHEAST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW
SHOWERS. LOWS 33 TO 38. HIGHS 50 TO 55. NORTHEAST WINDS 5 TO
10 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS, SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 31 TO 36. HIGHS 54 TO 59. NORTH WINDS 10 TO
20 MPH.
FRIDAY
COOLER. MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS AND
SCATTERED SHOWERS. LOWS 26 TO 31. HIGHS 43 TO 48. NORTHWEST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
WARMER. PARTLY CLOUDY. LOWS 33 TO 38. HIGHS 57 TO 62.
SUNDAY
MOSTLY SUNNY. HIGHS 64 TO 69.
MTZ129-302215-
CROW INDIAN RESERVATION/BIGHORN CANYON REC AREA-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......57-67 AT 5000 FEET...52-59 AT 7000 FEET.
* 24 HR TREND.........2 DEGREES COOLER.
* MIN HUMIDITY..........28-33 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* RIDGETOP.............NORTHWEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........CLOUDY. SNOW IN THE EVENING, THEN SNOW
LIKELY OVERNIGHT.
* MIN TEMPERATURE.......20-29 AT 5000 FEET...18-23 AT 7000 FEET.
* 24 HR TREND.........20 DEGREES COOLER.
* MAX HUMIDITY..........80-90 PERCENT AT 5000 FEET...86-92 PERCENT
AT 7000 FEET.
* 24 HR TREND.........38 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* RIDGETOP.............NORTH 15 TO 25 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................70 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY. ISOLATED SNOW SHOWERS IN THE
MORNING.
* MAX TEMPERATURE.......38-48 AT 5000 FEET...33-40 AT 7000 FEET.
* 24 HR TREND.........19 DEGREES COOLER.
* MIN HUMIDITY..........45-55 PERCENT AT 5000 FEET...61-69 PERCENT
AT 7000 FEET.
* 24 HR TREND.........9 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* RIDGETOP.............EAST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS AND RAIN
SHOWERS. LOWS 27 TO 35. SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND SNOW
SHOWERS. LOWS 33 TO 40. HIGHS 44 TO 54. EAST WINDS 5 TO 15 MPH.
THURSDAY
CLOUDY. SHOWERS, SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 27 TO 33. HIGHS 47 TO 57. NORTH WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW SHOWERS. LOWS 25 TO 30.
HIGHS 33 TO 43. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
SATURDAY
NOT AS COOL. MOSTLY CLEAR. ISOLATED SNOW SHOWERS.
LOWS 32 TO 37. HIGHS 45 TO 55.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 53 TO 63.
MTZ130-302215-
NORTHERN ROSEBUD/NORTHERN TREASURE COUNTIES-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......57-62.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........13 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE AFTERNOON.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................10 PERCENT.
TONIGHT
* SKY/WEATHER...........CLOUDY WITH SNOW IN THE EVENING, THEN
PARTLY CLOUDY WITH ISOLATED SNOW SHOWERS OVERNIGHT.
* MIN TEMPERATURE.......21-26.
* 24 HR TREND.........13 DEGREES COOLER.
* MAX HUMIDITY..........67-72 PERCENT.
* 24 HR TREND.........4 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 30 MPH
IN THE EVENING.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................20 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......42-47.
* 24 HR TREND.........15 DEGREES COOLER.
* MIN HUMIDITY..........26-31 PERCENT.
* 24 HR TREND.........8 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............EAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 28 TO
33. EAST WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW
SHOWERS. LOWS 29 TO 34. HIGHS 49 TO 54. EAST WINDS 5 TO 15 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS AND SNOW SHOWERS. LOWS 28 TO
33. HIGHS 52 TO 57. EAST WINDS 10 TO 20 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW SHOWERS. LOWS 23 TO 28.
HIGHS 37 TO 42. NORTHWEST WINDS 5 TO 15 MPH.
SATURDAY
WARMER. MOSTLY CLEAR. ISOLATED SNOW SHOWERS. LOWS
28 TO 33. HIGHS 48 TO 53.
SUNDAY
WARMER, SUNNY. HIGHS 60 TO 65.
MTZ131-302215-
NORTHERN CHEYENNE INDIAN RESERVATION/ASHLAND RANGER DISTRICT
CUSTER NATL FOREST-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......66-71.
* 24 HR TREND.........1 DEGREE COOLER.
* MIN HUMIDITY..........23-28 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE AFTERNOON.
* RIDGETOP.............NORTH 10 TO 20 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW LIKELY AND SCATTERED
RAIN SHOWERS IN THE EVENING, THEN SCATTERED SNOW SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......23-28.
* 24 HR TREND.........14 DEGREES COOLER.
* MAX HUMIDITY..........79-84 PERCENT.
* 24 HR TREND.........21 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTH WINDS 10 TO 20 MPH. GUSTS UP TO 35 MPH
IN THE EVENING.
* RIDGETOP.............NORTH 15 TO 30 MPH.
* CHANCE OF LIGHTNING...4 PERCENT.
* CWR...................20 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY.
* MAX TEMPERATURE.......44-49.
* 24 HR TREND.........22 DEGREES COOLER.
* MIN HUMIDITY..........29-34 PERCENT.
* 24 HR TREND.........6 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.
* RIDGETOP.............EAST 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 29 TO
34. SOUTHEAST WINDS 10 TO 20 MPH.
WEDNESDAY
MOSTLY CLOUDY. ISOLATED RAIN SHOWERS AND SNOW
SHOWERS. LOWS 29 TO 34. HIGHS 50 TO 55. SOUTHEAST WINDS 5 TO
15 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS AND SNOW SHOWERS. LOWS 26 TO
31. HIGHS 58 TO 63. EAST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
FRIDAY
MUCH COLDER. MOSTLY CLOUDY. SNOW SHOWERS. LOWS 22 TO
27. HIGHS 37 TO 42. NORTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH.
SATURDAY
WARMER. MOSTLY CLEAR. ISOLATED SNOW SHOWERS. LOWS
28 TO 33. HIGHS 50 TO 55.
SUNDAY
WARMER, SUNNY. HIGHS 61 TO 66.
MTZ132-302215-
CUSTER COUNTY-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......56-61.
* 24 HR TREND.........8 DEGREES COOLER.
* MIN HUMIDITY..........34-39 PERCENT.
* 24 HR TREND.........16 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...1 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED SNOW SHOWERS IN
THE EVENING.
* MIN TEMPERATURE.......20-25.
* 24 HR TREND.........15 DEGREES COOLER.
* MAX HUMIDITY..........72-77 PERCENT.
* 24 HR TREND.........8 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 15 TO 25 MPH. GUSTS UP TO 30
MPH IN THE EVENING.
* CHANCE OF LIGHTNING...3 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY SUNNY.
* MAX TEMPERATURE.......38-43.
* 24 HR TREND.........18 DEGREES COOLER.
* MIN HUMIDITY..........24-29 PERCENT.
* 24 HR TREND.........10 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTHEAST WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 27 TO
32. EAST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
MOSTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 27 TO 32.
HIGHS 42 TO 47. SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
THURSDAY
MOSTLY CLOUDY. NUMEROUS SNOW SHOWERS. LOWS 27 TO 32.
HIGHS 43 TO 48. SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
30 MPH.
FRIDAY
MOSTLY CLOUDY. SNOW SHOWERS. LOWS 22 TO 27. HIGHS 34 TO
39. NORTH WINDS 10 TO 20 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 25 TO 30.
HIGHS 40 TO 45.
SUNDAY
NOT AS COOL. MOSTLY SUNNY. HIGHS 52 TO 57.
MTZ133-302215-
SIOUX RANGER DISTRICT CUSTER NATIONAL FOREST-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......66-71.
* 24 HR TREND.........2 DEGREES WARMER.
* MIN HUMIDITY..........26-31 PERCENT.
* 24 HR TREND.........5 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...2 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
SNOW SHOWERS IN THE EVENING, THEN SCATTERED SNOW SHOWERS
OVERNIGHT.
* MIN TEMPERATURE.......22-27.
* 24 HR TREND.........15 DEGREES COOLER.
* MAX HUMIDITY..........67-72 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* PLAINS...............NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................10 PERCENT.
TUESDAY
* SKY/WEATHER...........PARTLY SUNNY.
* MAX TEMPERATURE.......40-45.
* 24 HR TREND.........26 DEGREES COOLER.
* MIN HUMIDITY..........24-29 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* PLAINS...............NORTH WINDS 5 TO 15 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................ZERO.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
24 TO 29. SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
30 MPH.
WEDNESDAY
CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO 29. HIGHS
37 TO 42. SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
THURSDAY
MOSTLY CLOUDY. SNOW SHOWERS. LOWS 25 TO 30. HIGHS
41 TO 46. SOUTHEAST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
35 MPH.
FRIDAY
MOSTLY CLOUDY. SNOW SHOWERS. LOWS 21 TO 26. HIGHS 35 TO
40. NORTH WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 30 MPH.
SATURDAY
PARTLY CLOUDY. ISOLATED SNOW SHOWERS. LOWS 23 TO 28.
HIGHS 40 TO 45.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 53 TO 58.
WYZ274-302215-
SHERIDAN COUNTY-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........PARTLY SUNNY. SCATTERED RAIN SHOWERS IN THE
AFTERNOON.
* MAX TEMPERATURE.......69-74.
* 24 HR TREND.........5 DEGREES WARMER.
* MIN HUMIDITY..........15-20 PERCENT.
* 24 HR TREND.........2 PERCENT DRIER.
* WIND (20 FT)
* SLOPE/VALLEY.........WEST WINDS 5 TO 15 MPH IN THE MORNING
INCREASING TO NORTHWEST 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH
IN THE AFTERNOON.
* RIDGETOP.............WEST 15 TO 25 MPH.
* CHANCE OF LIGHTNING...5 PERCENT.
* CWR...................ZERO.
TONIGHT
* SKY/WEATHER...........CLOUDY. SNOW AND SCATTERED RAIN SHOWERS IN
THE EVENING, THEN SNOW OVERNIGHT.
* MIN TEMPERATURE.......24-29.
* 24 HR TREND.........13 DEGREES COOLER.
* MAX HUMIDITY..........89-94 PERCENT.
* 24 HR TREND.........36 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........NORTH WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 35 MPH IN THE EVENING DECREASING TO 5 TO 15 MPH
OVERNIGHT.
* RIDGETOP.............NORTH 15 TO 25 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................60 PERCENT.
TUESDAY
* SKY/WEATHER...........CLOUDY IN THE MORNING THEN BECOMING PARTLY
SUNNY. SCATTERED SNOW SHOWERS.
* MAX TEMPERATURE.......45-50.
* 24 HR TREND.........24 DEGREES COOLER.
* MIN HUMIDITY..........40-45 PERCENT.
* 24 HR TREND.........25 PERCENT WETTER.
* WIND (20 FT)
* SLOPE/VALLEY.........EAST WINDS 5 TO 15 MPH.
* RIDGETOP.............SOUTHEAST 10 TO 20 MPH.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
ISOLATED SNOW SHOWERS. LOWS 27 TO 32. SOUTHEAST WINDS 5 TO
15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED RAIN SHOWERS. LOWS 28 TO
33. HIGHS 48 TO 53. EAST WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY CLOUDY. SHOWERS, SNOW SHOWERS AND ISOLATED
THUNDERSTORMS. LOWS 24 TO 29. HIGHS 56 TO 61. NORTHWEST WINDS
5 TO 15 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW SHOWERS. LOWS 22 TO 27.
HIGHS 37 TO 42. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
40 MPH.
SATURDAY
WARMER. MOSTLY CLEAR. ISOLATED SNOW SHOWERS. LOWS
26 TO 31. HIGHS 51 TO 56.
SUNDAY
WARMER, SUNNY. HIGHS 61 TO 66.
WYZ284-302215-
BIGHORN NATIONAL FOREST-
153 AM MDT MON MAR 30 2026
TODAY
* SKY/WEATHER...........MOSTLY SUNNY. SCATTERED SNOW SHOWERS AND
ISOLATED RAIN SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......49-54.
* 24 HR TREND.........3 DEGREES COOLER.
* MIN HUMIDITY..........23-28 PERCENT.
* 24 HR TREND.........3 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......WINDY. WEST WINDS 15 TO 30 MPH WITH GUSTS TO
AROUND 45 MPH.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................LESS THAN 10 PERCENT.
TONIGHT
* SKY/WEATHER...........CLOUDY WITH SNOW.
* MIN TEMPERATURE.......16-21.
* 24 HR TREND.........19 DEGREES COOLER.
* MAX HUMIDITY..........90-95 PERCENT.
* 24 HR TREND.........46 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO
AROUND 40 MPH IN THE EVENING BECOMING NORTH 5 TO 15 MPH
OVERNIGHT.
* CHANCE OF LIGHTNING...6 PERCENT.
* CWR...................90 PERCENT.
TUESDAY
* SKY/WEATHER...........MOSTLY CLOUDY. SNOW IN THE MORNING, THEN
SCATTERED SNOW SHOWERS IN THE AFTERNOON.
* MAX TEMPERATURE.......34-39.
* 24 HR TREND.........15 DEGREES COOLER.
* MIN HUMIDITY..........63-68 PERCENT.
* 24 HR TREND.........40 PERCENT WETTER.
* WIND (20 FT)
* AT BURGESS JCT.......SOUTHEAST WINDS 10 TO 20 MPH. GUSTS UP TO 30
MPH IN THE AFTERNOON.
* CHANCE OF LIGHTNING...0 PERCENT.
* CWR...................20 PERCENT.
FORECAST DAYS 3 THROUGH 7...
TUESDAY NIGHT
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS
23 TO 28. SOUTH WINDS 5 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 24 TO
29. HIGHS 36 TO 41. WEST WINDS 5 TO 15 MPH.
THURSDAY
CLOUDY. SNOW SHOWERS AND ISOLATED THUNDERSTORMS. LOWS
17 TO 22. HIGHS 39 TO 44. WEST WINDS 10 TO 20 MPH WITH GUSTS TO
AROUND 35 MPH.
FRIDAY
COLDER. MOSTLY CLOUDY. SNOW SHOWERS. LOWS 16 TO 21.
HIGHS 25 TO 30. NORTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO AROUND
45 MPH.
SATURDAY
PARTLY CLOUDY. SCATTERED SNOW SHOWERS. LOWS 22 TO 27.
HIGHS 35 TO 40.
SUNDAY
NOT AS COOL. SUNNY. HIGHS 44 TO 49.
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