731
FNUS55 KMSO 012032
FWFMSO
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
231 PM MDT TUE APR 1 2025
...THIS PLANNING FORECAST IS NOW AUTOMATED DURING THE COOL SEASON.
PLEASE SUBMIT A SPOT REQUEST OR CONTACT NWS FOR DECISION SUPPORT...
NOTE: HAINES INDEX AND LAL VALUES ARE NO LONGER PRODUCED.
DISCUSSION
KEY MESSAGE AND SHORT TERM OVERVIEW:
IDAHO (ZONES 102 AND 103): WINTER DRIVING CONDITIONS ACROSS
SOUTHWEST MONTANA WITH THE WEATHER PATTERN DURING EVENING. TAKING
A QUICK LOOK AT THE NEXT 48 HOURS... TONIGHT'S WEATHER, MOSTLY
CLOUDY WITH A SLIGHT CHANCE OF RAIN. AREAS OF SNOW. PATCHY FOG AFTER
MIDNIGHT. WEDNESDAY, RAIN AND SNOW LIKELY. SNOW LEVEL 3500 FEET.
WEDNESDAY NIGHT, MOSTLY CLOUDY WITH A SLIGHT CHANCE OF SNOW. SLIGHT
CHANCE OF RAIN UNTIL MIDNIGHT. THURSDAY, A CHANCE OF SNOW IN THE
DAY, THEN SNOW WITH RAIN LIKELY IN THE AFTERNOON. HUMIDITIES WILL BE
A LITTLE LOWER. SNOW LEVEL 3000 FEET.
NORTHWEST MT (ZONES 104 AND 105): WINTER DRIVING CONDITIONS ACROSS
SOUTHWEST MONTANA WITH THE WEATHER PATTERN DURING EVENING. TAKING
A QUICK LOOK AT THE NEXT 48 HOURS... TONIGHT'S WEATHER, MOSTLY
CLOUDY WITH A 50 PERCENT CHANCE OF AREAS OF SNOW. PATCHY FOG AFTER
MIDNIGHT. WEDNESDAY, A CHANCE OF SNOW IN THE DAY, THEN SNOW SHOWERS
WITH POSSIBLE RAIN AND THUNDERSTORMS LIKELY IN THE AFTERNOON. SNOW
MAY BE HEAVY AT TIMES IN THE AFTERNOON. SNOW LEVEL 3500 FEET.
WEDNESDAY NIGHT, CHANCE OF VALLEY RAIN WITH MOUNTAIN SNOW LIKELY
UNTIL MIDNIGHT, THEN A CHANCE OF SNOW AFTER MIDNIGHT. SNOW LEVEL
3500 FEET. THURSDAY, SNOW LIKELY. IT'LL BE COLDER.
WEST CENTRAL MT (ZONES 106, 107 AND 108): WINTER DRIVING CONDITIONS
ACROSS SOUTHWEST MONTANA WITH THE WEATHER PATTERN DURING EVENING.
TAKING A QUICK LOOK AT THE NEXT 48 HOURS... TONIGHT'S WEATHER,
MOSTLY CLOUDY. AREAS OF SNOW AND A SLIGHT CHANCE OF RAIN UNTIL
MIDNIGHT, THEN SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT. WEDNESDAY, MOSTLY CLOUDY WITH A CHANCE OF SNOW. A CHANCE
OF RAIN IN THE AFTERNOON. WEDNESDAY NIGHT, MOSTLY CLOUDY WITH A
SLIGHT CHANCE OF SNOW. SLIGHT CHANCE OF RAIN UNTIL MIDNIGHT.
THURSDAY, A CHANCE OF SNOW IN THE DAY, THEN RAIN AND SNOW LIKELY IN
THE AFTERNOON. SNOW LEVEL 3000 FEET.
SOUTHWEST MT (ZONES 109, 110 AND 111): WINTER DRIVING CONDITIONS
ACROSS SOUTHWEST MONTANA WITH THE WEATHER PATTERN DURING EVENING.
TAKING A QUICK LOOK AT THE NEXT 48 HOURS... TONIGHT'S WEATHER,
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF AREAS OF SNOW. WEDNESDAY,
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW. WEDNESDAY NIGHT,
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF SNOW UNTIL MIDNIGHT. THURSDAY,
MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF SNOW.
IDZ102-103-021000-
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-
131 PM PDT TUE APR 1 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT
CHANCE OF RAIN. PATCHY FOG AFTER MIDNIGHT. SNOW LEVEL 3500 FEET.
* MIN TEMPERATURE.....30-35 VALLEYS AND 20-30 RIDGES.
* MAX HUMIDITY........75-85 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 1-3 MPH.
* RIDGE TOP............NORTHWEST 5-15 MPH.
* MIXING HEIGHT.......5 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....NORTHWEST 15 MPH UNTIL 2100, THEN VARIABLE
LESS THAN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...20 PERCENT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW AND RAIN. SNOW LEVEL 3500
FEET.
* MAX TEMPERATURE.....45-55 VALLEYS AND 35-40 RIDGES.
* MIN HUMIDITY........51-61 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 10-15 MPH.
* RIDGE TOP............WEST 10-15 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 5 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1500, THEN NORTHWEST 15
MPH.
* CHANCE LIGHTNING....15 PERCENT IN THE PALOUSE/HELLS CANYON...AND
NEAR 0 PERCENT IN THE CLEARWATER/NEZ PERCE.
* CWR (> 0.10 INCH)...20 PERCENT IN THE PALOUSE/HELLS CANYON...AND
50 PERCENT IN THE CLEARWATER/NEZ PERCE.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND
SNOW. SNOW LEVEL 3500 FEET.
* MIN TEMPERATURE.....25-35.
* MAX HUMIDITY........71-81 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 1-3 MPH.
* RIDGE TOP............WEST 5-15 MPH.
* MIXING HEIGHT.......5 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 2100, THEN VARIABLE LESS
THAN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW. RAIN LIKELY IN THE
AFTERNOON. SNOW LEVEL 3000 FEET.
* MAX TEMPERATURE.....45-55 VALLEYS AND 35-40 RIDGES.
* MIN HUMIDITY........46-56 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............WEST 5-15 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 6 KFT AGL AFTER 1300.
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1600, THEN NORTHWEST 15
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW 30 PERCENT.
LOWS 25-35. HIGHS 45-55. MIN HUMIDITIES 25-35 PERCENT. NORTH WINDS
10-15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 25-35. HIGHS 55-65. MIN HUMIDITIES
25-35 PERCENT. SOUTHEAST WINDS 5-10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 30-40. HIGHS 60-70. SOUTH WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY WITH CHANCE OF RAIN. CHANCE OF RAIN 30 PERCENT.
LOWS 35-45. HIGHS 60-70.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. CHANCE OF
PRECIPITATION 30 PERCENT. LOWS 35-45. HIGHS 55-65.
MTZ104-105-021000-
KOOTENAI-FLATHEAD/GLACIER PARK-
231 PM MDT TUE APR 1 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SNOW. PATCHY FOG
AFTER MIDNIGHT.
* MIN TEMPERATURE.....23-33.
* MAX HUMIDITY........74-84 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 1-3 MPH.
* RIDGE TOP............WEST 10-20 MPH.
* MIXING HEIGHT.......3 KFT AGL UNTIL 2000, THEN 1-2 KFT AGL.
* TRANSPORT WINDS.....WEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT IN THE KOOTENAI...AND 20 PERCENT IN
THE FLATHEAD/GLACIER PARK.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW IN THE MORNING,
THEN SNOW SHOWERS WITH POSSIBLE RAIN AND THUNDERSTORMS LIKELY IN
THE AFTERNOON. SNOW LEVEL 3500 FEET.
* MAX TEMPERATURE.....45-50 VALLEYS AND 30-40 RIDGES.
* MIN HUMIDITY........48-58 PERCENT VALLEYS AND 67-77 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 10-15 MPH.
* RIDGE TOP............SOUTHWEST 10-20 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 5 KFT AGL AFTER 1200.
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1300, THEN 15 MPH.
* CHANCE LIGHTNING....15 PERCENT.
* CWR (> 0.10 INCH)...20 PERCENT IN THE KOOTENAI...AND 40 PERCENT
IN THE FLATHEAD/GLACIER PARK.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE EVENING.
SNOW LIKELY. SNOW LEVEL 3500 FEET.
* MIN TEMPERATURE.....23-33.
* MAX HUMIDITY........88-98 PERCENT VALLEYS AND 81-91 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 1-3 MPH.
* RIDGE TOP............WEST 10-20 MPH.
* MIXING HEIGHT.......4 KFT AGL UNTIL 1900. 1-2 KFT AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...30 PERCENT IN THE KOOTENAI...AND 50 PERCENT
IN THE FLATHEAD/GLACIER PARK.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW.
* MAX TEMPERATURE.....40-50 VALLEYS AND 30-40 RIDGES.
* MIN HUMIDITY........42-52 PERCENT VALLEYS AND 65-75 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST 5-15 MPH BECOMING NORTHWEST 10-20
MPH IN THE AFTERNOON.
* MIXING HEIGHT.......3 KFT AGL UNTIL 1000. 5 KFT AGL AFTER 1200.
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1200. NORTHEAST 15 MPH
AFTER 1600.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...70 PERCENT IN THE KOOTENAI...AND 90 PERCENT
IN THE FLATHEAD/GLACIER PARK.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. CHANCE OF SNOW
20 PERCENT. LOWS 15-25. HIGHS 40-50. MIN HUMIDITIES 30-40 PERCENT.
NORTHEAST WINDS 10-15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 25-35. HIGHS 50-60. MIN HUMIDITIES
30-40 PERCENT. SOUTHWEST WINDS 5-10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 30-40. HIGHS 55-65. SOUTHWEST WINDS
5-10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 35-45. HIGHS 55-65.
TUESDAY
PARTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. CHANCE OF
PRECIPITATION 30 PERCENT. LOWS 35-45. HIGHS 50-60.
MTZ106-108-021000-
WEST LOLO-EAST LOLO-
231 PM MDT TUE APR 1 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW. PATCHY FOG
AFTER MIDNIGHT.
* MIN TEMPERATURE.....20-30.
* MAX HUMIDITY........87-97 PERCENT VALLEYS AND 78-88 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 10-15 MPH.
* RIDGE TOP............WEST 10-15 MPH.
* MIXING HEIGHT.......4 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW. CHANCE OF RAIN
IN THE AFTERNOON. SNOW LEVEL 3500 FEET.
* MAX TEMPERATURE.....35-45.
* MIN HUMIDITY........44-54 PERCENT VALLEYS AND 53-63 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-15 MPH.
* RIDGE TOP............WEST 10-20 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 5 KFT AGL AFTER 1200.
* TRANSPORT WINDS.....WEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...20 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW.
* MIN TEMPERATURE.....20-30.
* MAX HUMIDITY........72-82 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 10-15 MPH.
* RIDGE TOP............WEST 10-15 MPH.
* MIXING HEIGHT.......4 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY. RAIN LIKELY IN
THE AFTERNOON.
* MAX TEMPERATURE.....40-50 VALLEYS AND 33-43 RIDGES.
* MIN HUMIDITY........47-57 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-15 MPH.
* RIDGE TOP............WEST 10-20 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 0900, THEN 3 KFT AGL UNTIL
1000, THEN 4 KFT AGL UNTIL 1100, THEN 5 KFT AGL UNTIL 1200, THEN
7 KFT AGL UNTIL 1700, THEN 6 KFT AGL.
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 1700, THEN NORTHWEST 15
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...30 PERCENT.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW 40 PERCENT.
LOWS 20-30. HIGHS 40-50. MIN HUMIDITIES 25-35 PERCENT. NORTHEAST WINDS
10-15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 20-30. HIGHS 50-60. MIN HUMIDITIES
25-35 PERCENT. SOUTHWEST WINDS 5-10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 30-40. HIGHS 55-65. SOUTHWEST WINDS
5-10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 35-45. HIGHS 60-70.
TUESDAY
COOLER. PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW.
CHANCE OF PRECIPITATION 20 PERCENT. LOWS 35-45. HIGHS 50-60.
MTZ107-021000-
FLATHEAD RESERVATION-
231 PM MDT TUE APR 1 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW AND SLIGHT
CHANCE OF RAIN. PATCHY FOG AFTER MIDNIGHT. SNOW LEVEL 3500 FEET.
* MIN TEMPERATURE.....30-35 VALLEYS AND 20-25 RIDGES.
* MAX HUMIDITY........76-86 PERCENT VALLEYS AND 88-98 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 10-15 MPH.
* RIDGE TOP............SOUTHWEST 10-15 MPH.
* MIXING HEIGHT.......4 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 0100, THEN VARIABLE LESS
THAN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW. SNOW LEVEL
3500 FEET.
* MAX TEMPERATURE.....50-55 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........45-55 PERCENT VALLEYS AND 68-78 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 5-15 MPH.
* RIDGE TOP............WEST 5-15 MPH INCREASING TO 10-20 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 5 KFT AGL AFTER 1200.
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1600, THEN 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT IN AREAS WEST OF HIGHWAY 93...AND
50 PERCENT IN THE MISSION MTNS AND AREAS EAST OF HIGHWAY 93.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN AND
SNOW. SNOW LEVEL 3500 FEET.
* MIN TEMPERATURE.....30-35 VALLEYS AND 20-25 RIDGES.
* MAX HUMIDITY........72-82 PERCENT VALLEYS AND 82-92 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 10-15 MPH.
* RIDGE TOP............SOUTHWEST 10-15 MPH.
* MIXING HEIGHT.......5 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....SOUTHWEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW. RAIN LIKELY IN THE
AFTERNOON. SNOW LEVEL 3000 FEET.
* MAX TEMPERATURE.....45-50 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........53-63 PERCENT VALLEYS AND 65-75 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......SOUTHWEST 5-15 MPH.
* RIDGE TOP............WEST 10-20 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 0900, THEN 3 KFT AGL UNTIL
1100, THEN 5 KFT AGL UNTIL 1300, THEN 6 KFT AGL UNTIL 1700, THEN
5 KFT AGL.
* TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 1400, THEN NORTHWEST
10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...40 PERCENT IN AREAS WEST OF HIGHWAY 93...AND
60 PERCENT IN THE MISSION MTNS AND AREAS EAST OF HIGHWAY 93.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SNOW. CHANCE OF SNOW
20 PERCENT. LOWS 25-35. HIGHS 45-55. MIN HUMIDITIES 25-35 PERCENT.
NORTHEAST WINDS 10-15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 25-35. HIGHS 55-65. MIN HUMIDITIES
20-30 PERCENT. SOUTH WINDS 5-10 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 30-40. HIGHS 60-70. SOUTH WINDS 5-10 MPH.
MONDAY
MOSTLY CLEAR. LOWS 35-45. HIGHS 60-70.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. CHANCE OF RAIN
20 PERCENT. LOWS 35-45. HIGHS 55-65.
MTZ109-021000-
BITTERROOT-
231 PM MDT TUE APR 1 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW.
* MIN TEMPERATURE.....20-30.
* MAX HUMIDITY........71-81 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............NORTHWEST 10-20 MPH.
* MIXING HEIGHT.......5 KFT AGL UNTIL 1900. 1-2 KFT AGL AFTER 2000.
* TRANSPORT WINDS.....NORTHWEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY. CHANCE OF RAIN IN
THE AFTERNOON.
* MAX TEMPERATURE.....45-50 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........39-49 PERCENT VALLEYS AND 51-61 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-15 MPH.
* RIDGE TOP............WEST 10-20 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 6 KFT AGL AFTER 1200.
* TRANSPORT WINDS.....NORTHWEST 10 MPH UNTIL 1600, THEN 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...20 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW.
* MIN TEMPERATURE.....20-30.
* MAX HUMIDITY........70-80 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............WEST 10-20 MPH DECREASING TO 5-10 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.......5 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....NORTHWEST 15 MPH UNTIL 2300, THEN VARIABLE
LESS THAN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. SNOW LIKELY.
* MAX TEMPERATURE.....45-50 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........33-43 PERCENT VALLEYS AND 44-54 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-15 MPH.
* RIDGE TOP............WEST 5-15 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 0900. 8 KFT AGL AFTER 1200.
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1600, THEN NORTHWEST 15
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW 30 PERCENT.
LOWS 20-30. HIGHS 40-50. MIN HUMIDITIES 25-35 PERCENT. NORTH WINDS
10-15 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 20-30. HIGHS 50-60. MIN HUMIDITIES
20-30 PERCENT. SOUTHWEST WINDS 10-15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 30-40. HIGHS 55-65. SOUTHWEST WINDS
10-15 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. CHANCE OF RAIN
20 PERCENT. LOWS 30-40. HIGHS 60-70.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. CHANCE OF
PRECIPITATION 20 PERCENT. LOWS 35-45. HIGHS 55-65.
MTZ110-111-021000-
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
231 PM MDT TUE APR 1 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW.
* MIN TEMPERATURE.....15-25.
* MAX HUMIDITY........69-79 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 10-15 MPH BECOMING VARIABLE LESS THAN 5
MPH AFTER MIDNIGHT.
* RIDGE TOP............NORTHWEST 10-20 MPH.
* MIXING HEIGHT.......5 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....NORTHWEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW.
* MAX TEMPERATURE.....40-45 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........40-50 PERCENT VALLEYS AND 47-57 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-15 MPH.
* RIDGE TOP............NORTHWEST 5-15 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 5 KFT AGL AFTER 1200.
* TRANSPORT WINDS.....NORTHWEST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF SNOW.
* MIN TEMPERATURE.....15-25.
* MAX HUMIDITY........69-79 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-10 MPH BECOMING VARIABLE LESS
THAN 5 MPH AFTER MIDNIGHT.
* RIDGE TOP............WEST 5-15 MPH.
* MIXING HEIGHT.......4 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....NORTHWEST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....40-45 VALLEYS AND 30-35 RIDGES.
* MIN HUMIDITY........36-46 PERCENT VALLEYS AND 42-52 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............WEST 5-15 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 0900. 7 KFT AGL AFTER 1300.
* TRANSPORT WINDS.....WEST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SNOW. CHANCE OF SNOW 40 PERCENT.
LOWS 20-30. HIGHS 35-45. MIN HUMIDITIES 20-30 PERCENT. NORTH WINDS
10-20 MPH.
SATURDAY
MOSTLY CLEAR. LOWS 15-25. HIGHS 45-55. MIN HUMIDITIES
20-30 PERCENT. WEST WINDS 10-20 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 25-35. HIGHS 50-60. SOUTHWEST WINDS
10-15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 30-40. HIGHS 55-65.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN AND SNOW. CHANCE OF
PRECIPITATION 20 PERCENT. LOWS 30-40. HIGHS 50-60.
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