992
FNUS55 KMSO 170931
FWFMSO
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
231 AM MST WED DEC 17 2025
DISCUSSION
IDAHO (ZONES 102 AND 103): - STRONG COLD FRONT TODAY: AN EXTREME
COLD FRONT WILL SWEEP ACROSS THE WITH THE WEATHER PATTERN DURING
DAY. TAKING A QUICK LOOK AT THE NEXT 36 HOURS... TODAY'S WEATHER,
RAIN LIKELY AND AREAS OF SNOW IN THE DAY, THEN AREAS OF SNOW IN THE
AFTERNOON. BLOWING SNOW IN THE DAY. PATCHY BLOWING SNOW IN THE
AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE DAY. VISIBILITY ONE
QUARTER MILE OR LESS AT TIMES. SNOW LEVEL 3500 FEET. TEMPERATURES
STEADY OR FALLING INTO THE LOWER 30S IN THE AFTERNOON. TONIGHT'S
WEATHER, MOSTLY CLOUDY. A 50 PERCENT CHANCE OF SNOW UNTIL MIDNIGHT.
THURSDAY, SNOW LIKELY IN THE DAY, THEN RAIN AND SNOW LIKELY IN THE
AFTERNOON. IT'LL BE COOLER. SNOW LEVEL 3000 FEET.
NORTHWEST MT (ZONES 104 AND 105): - STRONG COLD FRONT TODAY: AN
EXTREME COLD FRONT WILL SWEEP ACROSS THE WITH THE WEATHER PATTERN
DURING DAY. TAKING A QUICK LOOK AT THE NEXT 36 HOURS... TODAY'S
WEATHER, RAIN LIKELY AND AREAS OF SNOW IN THE DAY, THEN AREAS OF SNOW
IN THE AFTERNOON. BLOWING SNOW IN THE DAY. PATCHY BLOWING SNOW IN THE
AFTERNOON. SNOW MAY BE HEAVY AT TIMES IN THE DAY. VISIBILITY ONE
QUARTER MILE OR LESS AT TIMES. SNOW LEVEL 3000 FEET. TONIGHT'S
WEATHER, MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. PATCHY
BLOWING SNOW UNTIL MIDNIGHT. VISIBILITY ONE QUARTER MILE OR LESS AT
TIMES UNTIL MIDNIGHT. THURSDAY, A CHANCE OF SNOW IN THE DAY, THEN
SNOW LIKELY IN THE AFTERNOON.
WEST CENTRAL MT (ZONES 106, 107 AND 108): - STRONG COLD FRONT
TODAY: AN EXTREME COLD FRONT WILL SWEEP ACROSS THE WITH THE
WEATHER PATTERN DURING DAY. TAKING A QUICK LOOK AT THE NEXT
36 HOURS... TODAY'S WEATHER, AREAS OF SNOW. BLOWING SNOW IN THE DAY.
PATCHY BLOWING SNOW IN THE AFTERNOON. RAIN LIKELY IN THE DAY.
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES. SNOW LEVEL 3500 FEET.
TEMPERATURES STEADY OR FALLING INTO THE UPPER 20S IN THE AFTERNOON.
TONIGHT'S WEATHER, MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW UNTIL
MIDNIGHT. PATCHY BLOWING SNOW UNTIL MIDNIGHT. VISIBILITY ONE QUARTER
MILE OR LESS AT TIMES UNTIL MIDNIGHT. THURSDAY, SLIGHT CHANCE OF
SNOW IN THE DAY, THEN SNOW LIKELY IN THE AFTERNOON.
SOUTHWEST MT (ZONES 109, 110 AND 111): - STRONG COLD FRONT TODAY:
AN EXTREME COLD FRONT WILL SWEEP ACROSS THE WITH THE WEATHER
PATTERN DURING DAY. TAKING A QUICK LOOK AT THE NEXT 36 HOURS...
TODAY'S WEATHER, AREAS OF SNOW. BLOWING SNOW IN THE DAY. PATCHY
BLOWING SNOW IN THE AFTERNOON. RAIN LIKELY IN THE DAY. VISIBILITY ONE
QUARTER MILE OR LESS AT TIMES. TEMPERATURES STEADY OR FALLING INTO
THE MID 20S IN THE AFTERNOON. TONIGHT'S WEATHER, MOSTLY CLOUDY. A
20 PERCENT CHANCE OF SNOW UNTIL MIDNIGHT. PATCHY BLOWING SNOW UNTIL
MIDNIGHT. IT'LL BE COLDER. SNOW MAY BE HEAVY AT TIMES UNTIL MIDNIGHT.
VISIBILITY ONE QUARTER MILE OR LESS AT TIMES UNTIL MIDNIGHT.
THURSDAY, A CHANCE OF SNOW IN THE DAY, THEN SNOW LIKELY IN THE
AFTERNOON. IT'LL BE COLDER.
IDZ102-103-172300-
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-
131 AM PST WED DEC 17 2025
TODAY
* SKY/WEATHER.........BLOWING SNOW IN THE MORNING. PATCHY BLOWING
SNOW IN THE AFTERNOON. RAIN AND CHANCE OF SNOW. SNOW LEVEL 3500
FEET.
* MAX TEMPERATURE.....48-58 VALLEYS AND 35-40 RIDGES.
* MIN HUMIDITY........53-63 PERCENT VALLEYS AND 69-79 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 30-40 MPH.
* RIDGE TOP............WEST 30-40 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 0800. 5 KFT AGL AFTER 1100.
* TRANSPORT WINDS.....SOUTHWEST 35 MPH UNTIL 0800, THEN WEST 40 MPH
UNTIL 1600, THEN 30 MPH.
* CHANCE LIGHTNING....15 PERCENT IN THE PALOUSE/HELLS CANYON...AND
20 PERCENT IN THE CLEARWATER/NEZ PERCE.
* CWR (> 0.10 INCH)...70 PERCENT IN THE PALOUSE/HELLS CANYON...AND
100 PERCENT IN THE CLEARWATER/NEZ PERCE.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SNOW.
* MIN TEMPERATURE.....23-33.
* MAX HUMIDITY........71-81 PERCENT VALLEYS AND 82-92 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 5-15 MPH.
* RIDGE TOP............WEST 25-35 MPH BECOMING SOUTHWEST 10-20 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......2 KFT AGL UNTIL 2200, THEN 1-2 KFT AGL.
* TRANSPORT WINDS.....WEST 25 MPH UNTIL 2200, THEN SOUTHWEST 15
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT IN THE PALOUSE/HELLS CANYON...AND
20 PERCENT IN THE CLEARWATER/NEZ PERCE.
THURSDAY
* SKY/WEATHER.........SNOW. RAIN IN THE AFTERNOON. SNOW LEVEL 3000
FEET.
* MAX TEMPERATURE.....43-53 VALLEYS AND 35-40 RIDGES.
* MIN HUMIDITY........69-79 PERCENT VALLEYS AND 79-89 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING SOUTH 5-15 MPH IN THE
AFTERNOON.
* RIDGE TOP............SOUTH 10-20 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL.
* TRANSPORT WINDS.....SOUTH 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...90 PERCENT.
FRIDAY
RAIN AND SNOW. PATCHY BLOWING SNOW. CHANCE OF PRECIPITATION
NEAR 100 PERCENT. LOWS 35-45. HIGHS 40-50. MIN HUMIDITIES
60-70 PERCENT. SOUTHWEST WINDS 15-25 MPH.
SATURDAY
MOSTLY CLOUDY WITH SNOW. CHANCE OF SNOW 80 PERCENT. LOWS
25-35. HIGHS 35-45. MIN HUMIDITIES 60-70 PERCENT. SOUTHWEST WINDS
5-15 MPH.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW AND RAIN. CHANCE OF
PRECIPITATION 40 PERCENT. LOWS 25-35. HIGHS 35-45. SOUTH WINDS
10-15 MPH.
MONDAY
MOSTLY CLOUDY WITH RAIN AND SNOW LIKELY. CHANCE OF
PRECIPITATION 70 PERCENT. LOWS 30-40. HIGHS 40-50.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW AND RAIN. CHANCE OF
PRECIPITATION 40 PERCENT. LOWS 25-35. HIGHS 35-45.
MTZ104-105-172300-
KOOTENAI-FLATHEAD/GLACIER PARK-
231 AM MST WED DEC 17 2025
TODAY
* SKY/WEATHER.........BLOWING SNOW IN THE MORNING. PATCHY BLOWING
SNOW IN THE AFTERNOON. RAIN IN THE MORNING. CHANCE OF SNOW. SNOW
LEVEL 3000 FEET.
* MAX TEMPERATURE.....40-50 VALLEYS AND 35-40 RIDGES.
* MIN HUMIDITY........56-66 PERCENT VALLEYS AND 66-76 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 35-45 MPH.
* RIDGE TOP............WEST 45-55 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 0800. 5 KFT AGL AFTER 1000.
* TRANSPORT WINDS.....SOUTHWEST 35 MPH UNTIL 0800, THEN WEST 50 MPH
UNTIL 1600, THEN 40 MPH.
* CHANCE LIGHTNING....15 PERCENT IN THE KOOTENAI...AND NEAR 0
PERCENT IN THE FLATHEAD/GLACIER PARK.
* CWR (> 0.10 INCH)...90 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY BLOWING SNOW IN THE
EVENING. CHANCE OF SNOW.
* MIN TEMPERATURE.....20-30.
* MAX HUMIDITY........87-97 PERCENT VALLEYS AND 80-90 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-15 MPH BECOMING VARIABLE LESS THAN 5
MPH AFTER MIDNIGHT.
* RIDGE TOP............WEST 40-50 MPH BECOMING SOUTHWEST 20-30 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......3 KFT AGL UNTIL 2000, THEN 2 KFT AGL.
* TRANSPORT WINDS.....WEST 35 MPH UNTIL 2000, THEN 25 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW.
* MAX TEMPERATURE.....35-45 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........69-79 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTH 10-20 MPH.
* RIDGE TOP............SOUTH 10-20 MPH.
* MIXING HEIGHT.......1-2 KFT AGL.
* TRANSPORT WINDS.....SOUTHWEST 20 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...50 PERCENT IN THE KOOTENAI...AND 30 PERCENT
IN THE FLATHEAD/GLACIER PARK.
FRIDAY
SNOW AND RAIN. PATCHY BLOWING SNOW. CHANCE OF PRECIPITATION
NEAR 100 PERCENT. LOWS 25-35. HIGHS 35-45. MIN HUMIDITIES
60-70 PERCENT. SOUTHWEST WINDS 25-35 MPH.
SATURDAY
MOSTLY CLOUDY WITH SNOW LIKELY. CHANCE OF SNOW 70 PERCENT.
LOWS 20-30. HIGHS 30-40. MIN HUMIDITIES 65-75 PERCENT. SOUTHWEST WINDS
10-20 MPH.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW 30 PERCENT.
LOWS 20-30. HIGHS 30-40. SOUTHWEST WINDS 15-25 MPH.
MONDAY
MOSTLY CLOUDY WITH SNOW AND RAIN LIKELY. CHANCE OF
PRECIPITATION 70 PERCENT. LOWS 25-35. HIGHS 35-45.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW
30 PERCENT. LOWS 20-30. HIGHS 30-40.
MTZ106-108-172300-
WEST LOLO-EAST LOLO-
231 AM MST WED DEC 17 2025
TODAY
* SKY/WEATHER.........BLOWING SNOW IN THE MORNING. PATCHY BLOWING
SNOW IN THE AFTERNOON. RAIN IN THE MORNING. CHANCE OF SNOW. SNOW
LEVEL 3500 FEET.
* MAX TEMPERATURE.....35-45.
* MIN HUMIDITY........59-69 PERCENT VALLEYS AND 65-75 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 30-40 MPH.
* RIDGE TOP............WEST 40-50 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 0800. 5 KFT
AGL AFTER 1000.
* TRANSPORT WINDS.....SOUTHWEST 35 MPH UNTIL 0800, THEN WEST 50 MPH
UNTIL 1600, THEN 40 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...90 PERCENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY BLOWING SNOW IN THE
EVENING. SLIGHT CHANCE OF SNOW.
* MIN TEMPERATURE.....20-30.
* MAX HUMIDITY........82-92 PERCENT VALLEYS AND 74-84 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 10-20 MPH.
* RIDGE TOP............WEST 35-45 MPH BECOMING SOUTHWEST 20-30 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......3 KFT AGL UNTIL 2300, THEN 1-2 KFT AGL.
* TRANSPORT WINDS.....WEST 35 MPH UNTIL 2100. SOUTHWEST 15 MPH
AFTER 0300.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW.
* MAX TEMPERATURE.....35-40.
* MIN HUMIDITY........63-73 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTH 5-15 MPH.
* RIDGE TOP............SOUTH 10-20 MPH.
* MIXING HEIGHT.......1-2 KFT AGL.
* TRANSPORT WINDS.....SOUTHWEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...50 PERCENT IN THE WEST LOLO...AND 20 PERCENT
IN THE EAST LOLO.
FRIDAY
SNOW AND RAIN. PATCHY BLOWING SNOW. CHANCE OF PRECIPITATION
NEAR 100 PERCENT. LOWS 30-40. HIGHS 35-45. MIN HUMIDITIES
60-70 PERCENT. SOUTHWEST WINDS 20-30 MPH.
SATURDAY
MOSTLY CLOUDY WITH SNOW LIKELY. CHANCE OF SNOW 70 PERCENT.
LOWS 25-35. HIGHS 30-40. MIN HUMIDITIES 55-65 PERCENT. SOUTHWEST WINDS
10-20 MPH.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW 30 PERCENT.
LOWS 20-30. HIGHS 35-45. SOUTHWEST WINDS 10-20 MPH.
MONDAY
MOSTLY CLOUDY WITH SNOW AND RAIN LIKELY. CHANCE OF
PRECIPITATION 60 PERCENT. LOWS 25-35. HIGHS 35-45.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW
30 PERCENT. LOWS 20-30. HIGHS 35-45.
MTZ107-172300-
FLATHEAD RESERVATION-
231 AM MST WED DEC 17 2025
TODAY
* SKY/WEATHER.........BLOWING SNOW IN THE MORNING. PATCHY BLOWING
SNOW IN THE AFTERNOON. RAIN IN THE MORNING. CHANCE OF SNOW. SNOW
LEVEL 3500 FEET.
* MAX TEMPERATURE.....45-50 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........50-60 PERCENT VALLEYS AND 71-81 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 25-35 MPH BECOMING WEST 15-30 MPH
IN THE AFTERNOON.
* RIDGE TOP............WEST 45-55 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 0900, THEN 5
KFT AGL.
* TRANSPORT WINDS.....SOUTHWEST 30 MPH UNTIL 0800, THEN WEST 45 MPH
UNTIL 1000, THEN 50 MPH UNTIL 1600, THEN 35 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...80 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY BLOWING SNOW IN THE
EVENING. SLIGHT CHANCE OF SNOW.
* MIN TEMPERATURE.....30-35 VALLEYS AND 20-25 RIDGES.
* MAX HUMIDITY........70-80 PERCENT VALLEYS AND 81-91 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 15-25 MPH BECOMING SOUTH 5-15 MPH
AFTER MIDNIGHT.
* RIDGE TOP............WEST 35-45 MPH BECOMING SOUTHWEST 20-30 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......3 KFT AGL UNTIL 2100, THEN 1-2 KFT AGL.
* TRANSPORT WINDS.....WEST 30 MPH UNTIL 2100, THEN SOUTHWEST 20
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW.
* MAX TEMPERATURE.....40-45 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........63-73 PERCENT VALLEYS AND 71-81 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTH 5-15 MPH.
* RIDGE TOP............SOUTH 15-25 MPH.
* MIXING HEIGHT.......1-2 KFT AGL.
* TRANSPORT WINDS.....SOUTH 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT IN AREAS WEST OF HIGHWAY 93...AND
30 PERCENT IN THE MISSION MTNS AND AREAS EAST OF HIGHWAY 93.
FRIDAY
CLOUDY WITH SNOW AND RAIN. PATCHY BLOWING SNOW. CHANCE OF
PRECIPITATION 90 PERCENT. LOWS 30-40. HIGHS 40-50. MIN HUMIDITIES
60-70 PERCENT. SOUTHWEST WINDS 15-25 MPH.
SATURDAY
MOSTLY CLOUDY WITH SNOW LIKELY. CHANCE OF SNOW 70 PERCENT.
LOWS 25-35. HIGHS 35-45. MIN HUMIDITIES 55-65 PERCENT. SOUTHWEST WINDS
10-20 MPH.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW 30 PERCENT.
LOWS 25-35. HIGHS 35-45. SOUTH WINDS 5-15 MPH.
MONDAY
MOSTLY CLOUDY WITH SNOW LIKELY AND CHANCE OF RAIN. CHANCE OF
PRECIPITATION 60 PERCENT. LOWS 25-35. HIGHS 40-50.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW.
CHANCE OF PRECIPITATION 30 PERCENT. LOWS 25-35. HIGHS 35-45.
MTZ109-172300-
BITTERROOT-
231 AM MST WED DEC 17 2025
TODAY
* SKY/WEATHER.........BLOWING SNOW IN THE MORNING. PATCHY BLOWING
SNOW IN THE AFTERNOON. RAIN IN THE MORNING. CHANCE OF SNOW. SNOW
LEVEL 4000 FEET.
* MAX TEMPERATURE.....45-50 VALLEYS AND 35-40 RIDGES.
* MIN HUMIDITY........52-62 PERCENT VALLEYS AND 63-73 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 35-45 MPH.
* RIDGE TOP............WEST 35-45 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 0900. 5 KFT AGL AFTER 1100.
* TRANSPORT WINDS.....SOUTHWEST 30 MPH UNTIL 0800, THEN WEST 45 MPH
UNTIL 1600, THEN 35 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...100 PERCENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW.
* MIN TEMPERATURE.....15-25.
* MAX HUMIDITY........67-77 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 15-25 MPH BECOMING SOUTH 5-10 MPH
AFTER MIDNIGHT.
* RIDGE TOP............WEST 35-45 MPH BECOMING SOUTHWEST 20-30 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......3 KFT AGL UNTIL 2000, THEN 1-2 KFT AGL.
* TRANSPORT WINDS.....WEST 30 MPH UNTIL 2200, THEN SOUTHWEST 20
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW.
* MAX TEMPERATURE.....40-45 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........65-75 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTH 10-20 MPH.
* RIDGE TOP............SOUTH 10-20 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100, THEN 3 KFT AGL.
* TRANSPORT WINDS.....SOUTH 15 MPH UNTIL 1300, THEN SOUTHWEST 20
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT IN THE DARBY, SULA, AND WEST
FORK DISTRICTS...AND 0 PERCENT IN AREAS NORTH OF HAMILTON.
* CWR (> 0.10 INCH)...90 PERCENT IN THE DARBY, SULA, AND WEST FORK
DISTRICTS...AND 30 PERCENT IN AREAS NORTH OF HAMILTON.
FRIDAY
SNOW AND RAIN. PATCHY BLOWING SNOW. CHANCE OF PRECIPITATION
NEAR 100 PERCENT. LOWS 30-40. HIGHS 35-45. MIN HUMIDITIES
55-65 PERCENT. SOUTHWEST WINDS 25-35 MPH.
SATURDAY
MOSTLY CLOUDY WITH SNOW LIKELY. CHANCE OF SNOW 60 PERCENT.
LOWS 20-30. HIGHS 30-40. MIN HUMIDITIES 50-60 PERCENT. SOUTHWEST WINDS
10-20 MPH.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW 30 PERCENT.
LOWS 20-30. HIGHS 35-45. SOUTH WINDS 10-20 MPH.
MONDAY
MOSTLY CLOUDY WITH SNOW AND RAIN LIKELY. CHANCE OF
PRECIPITATION 70 PERCENT. LOWS 25-35. HIGHS 35-45.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW
30 PERCENT. LOWS 25-35. HIGHS 35-45.
MTZ110-111-172300-
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
231 AM MST WED DEC 17 2025
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. BLOWING SNOW IN THE MORNING.
PATCHY BLOWING SNOW IN THE AFTERNOON. SNOW AND RAIN.
* MAX TEMPERATURE.....45-50 VALLEYS AND 35-40 RIDGES.
* MIN HUMIDITY........36-46 PERCENT VALLEYS AND 47-57 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 40-50 MPH.
* RIDGE TOP............WEST 40-50 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 0900. 5 KFT
AGL AFTER 1100.
* TRANSPORT WINDS.....SOUTHWEST 35 MPH UNTIL 1000, THEN WEST 50
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...90 PERCENT IN THE DEERLODGE/WEST
BEAVERHEAD...AND 70 PERCENT IN THE EAST BEAVERHEAD.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY BLOWING SNOW IN THE
EVENING.
* MIN TEMPERATURE.....15-25.
* MAX HUMIDITY........59-69 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 25-35 MPH BECOMING SOUTHWEST 15-25 MPH
AFTER MIDNIGHT.
* RIDGE TOP............WEST 35-45 MPH DECREASING TO 25-35 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.......4 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 0300.
* TRANSPORT WINDS.....WEST 35 MPH UNTIL 2300. 15 MPH AFTER 0300.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW.
* MAX TEMPERATURE.....40-45 VALLEYS AND 25-35 RIDGES.
* MIN HUMIDITY........47-57 PERCENT VALLEYS AND 60-70 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTH 20-30 MPH.
* RIDGE TOP............SOUTH 20-30 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1200, THEN 2
KFT AGL.
* TRANSPORT WINDS.....SOUTHWEST 20 MPH UNTIL 1300, THEN 25 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH SNOW WITH RAIN LIKELY. CHANCE OF
PRECIPITATION 90 PERCENT. LOWS 30-40. HIGHS 40-50. MIN HUMIDITIES
45-55 PERCENT. SOUTHWEST WINDS 20-30 MPH.
SATURDAY
COLDER. PARTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW
30 PERCENT. LOWS 20-30. HIGHS 30-40. MIN HUMIDITIES 40-50 PERCENT. WEST
WINDS 10-20 MPH.
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. CHANCE OF SNOW
20 PERCENT. LOWS 15-25. HIGHS 35-45. SOUTHWEST WINDS 10-20 MPH.
MONDAY
MOSTLY CLOUDY WITH CHANCE OF SNOW AND RAIN. CHANCE OF
PRECIPITATION 40 PERCENT. LOWS 25-35. HIGHS 40-50.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. CHANCE OF SNOW
20 PERCENT. LOWS 25-35. HIGHS 35-45.
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