069
FNUS55 KMSO 232003
FWFMSO
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
202 PM MDT TUE JUN 23 2026
DISCUSSION
IDAHO (ZONES 102 AND 103): SUMMER-LIKE CONDITIONS THROUGH THURSDAY
WITH HIGHS IN THE 80S, 90S IN LOWER VALLEYS OF NORTH-CENTRAL
IDAHO. TAKING A QUICK LOOK AT THE NEXT 48 HOURS... TONIGHT'S
WEATHER, MOSTLY CLOUDY. WEDNESDAY, MOSTLY SUNNY. WEDNESDAY NIGHT,
PARTLY CLOUDY UNTIL MIDNIGHT THEN BECOMING MOSTLY CLOUDY. THURSDAY,
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN IN THE MORNING.
NORTHWEST MT (ZONES 104 AND 105): SUMMER-LIKE CONDITIONS THROUGH
THURSDAY WITH HIGHS IN THE 80S, 90S IN LOWER VALLEYS OF
NORTH-CENTRAL IDAHO. TAKING A QUICK LOOK AT THE NEXT 48 HOURS...
TONIGHT'S WEATHER, MOSTLY CLOUDY. WEDNESDAY, PARTLY CLOUDY. A
20 PERCENT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT, MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS UNTIL MIDNIGHT, THEN A CHANCE OF RAIN AFTER
MIDNIGHT. THURSDAY, A CHANCE OF RAIN IN THE MORNING, THEN RAIN
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WEST CENTRAL MT (ZONES 106, 107 AND 108): SUMMER-LIKE CONDITIONS
THROUGH THURSDAY WITH HIGHS IN THE 80S, 90S IN LOWER VALLEYS OF
NORTH-CENTRAL IDAHO. TAKING A QUICK LOOK AT THE NEXT 48 HOURS...
TONIGHT'S WEATHER, MOSTLY CLOUDY. WEDNESDAY, PARTLY CLOUDY.
WEDNESDAY NIGHT, MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL MIDNIGHT, THEN SLIGHT CHANCE OF RAIN AFTER
MIDNIGHT. THURSDAY, MOSTLY CLOUDY. A CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
SOUTHWEST MT (ZONES 109, 110 AND 111): SUMMER-LIKE CONDITIONS
THROUGH THURSDAY WITH HIGHS IN THE 80S, 90S IN LOWER VALLEYS OF
NORTH-CENTRAL IDAHO. TAKING A QUICK LOOK AT THE NEXT 48 HOURS...
TONIGHT'S WEATHER, MOSTLY CLOUDY. WEDNESDAY, MOSTLY CLOUDY. CHANCE
OF RAIN SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON. WEDNESDAY NIGHT, MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS UNTIL MIDNIGHT, THEN SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. THURSDAY, CHANCE OF RAIN
SHOWERS IN THE MORNING, THEN RAIN SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
IDZ102-103-241000-
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-
102 PM PDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....50-60.
* MAX HUMIDITY........47-57 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH.
* RIDGE TOP............NORTH 5-15 MPH BECOMING EAST 5-10 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....85-95 VALLEYS AND 70-80 RIDGES.
* MIN HUMIDITY........15-25 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............NORTHWEST 5-15 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 9 KFT
AGL AFTER 1400.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1400, THEN
WEST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....50-60.
* MAX HUMIDITY........43-53 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............NORTHWEST 5-15 MPH BECOMING SOUTHWEST 5-10
MPH AFTER MIDNIGHT.
* MIXING HEIGHT.......9 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....NORTHWEST 10 MPH UNTIL 0400, THEN VARIABLE
LESS THAN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN.
* MAX TEMPERATURE.....83-93 VALLEYS AND 70-80 RIDGES.
* MIN HUMIDITY........13-23 PERCENT VALLEYS AND 19-29 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTHWEST UP TO 5 MPH BECOMING WEST 5-15 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER
1500.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 0700. WEST 15
MPH AFTER 1500.
* CHANCE LIGHTNING....NEAR 0 PERCENT OVER THE PALOUSE/HELLS
CANYON...AND 20 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.
* CWR (> 0.10 INCH)...10 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY WITH RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 80 PERCENT. LOWS 50-60. HIGHS
60-70. MIN HUMIDITIES 50-60 PERCENT. WEST WINDS 5-10 MPH.
SATURDAY
MOSTLY CLOUDY WITH RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 90 PERCENT. LOWS 45-55. HIGHS
55-65. MIN HUMIDITIES 35-45 PERCENT. WEST WINDS 10-15 MPH.
SUNDAY
MOSTLY CLOUDY WITH RAIN LIKELY. CHANCE OF RAIN 70 PERCENT.
LOWS 40-50. HIGHS 50-60. WEST WINDS 10-15 MPH.
MONDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS. CHANCE OF SHOWERS
30 PERCENT. LOWS 40-50. HIGHS 60-70.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. CHANCE OF RAIN
20 PERCENT. LOWS 45-55. HIGHS 65-75.
MTZ104-105-241000-
KOOTENAI-FLATHEAD/GLACIER PARK-
202 PM MDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........73-83 PERCENT VALLEYS AND 61-71 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 1-3 MPH.
* RIDGE TOP............EAST 5-15 MPH.
* MIXING HEIGHT.......8 KFT AGL UNTIL 2000. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
* MAX TEMPERATURE.....80-90 VALLEYS AND 65-75 RIDGES.
* MIN HUMIDITY........15-25 PERCENT VALLEYS AND 32-42 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............EAST 5-10 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER
1400.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT OVER THE KOOTENAI...AND 20
PERCENT TOWARD THE FLATHEAD/GLACIER PARK.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
RAIN AFTER MIDNIGHT.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........77-87 PERCENT VALLEYS AND 63-73 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......EAST 5-10 MPH.
* RIDGE TOP............EAST 10-15 MPH.
* MIXING HEIGHT.......9 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....20 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF RAIN IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE.....80-90 VALLEYS AND 63-73 RIDGES.
* MIN HUMIDITY........22-32 PERCENT VALLEYS AND 37-47 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTH 5-10 MPH BECOMING SOUTHWEST 5-15 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER
1600.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1100, THEN
SOUTHWEST 15 MPH.
* CHANCE LIGHTNING....30 PERCENT OVER THE KOOTENAI...AND 40 PERCENT
TOWARD THE FLATHEAD/GLACIER PARK.
* CWR (> 0.10 INCH)...10 PERCENT OVER THE KOOTENAI...AND 30 PERCENT
TOWARD THE FLATHEAD/GLACIER PARK.
FRIDAY
COOLER. MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 70 PERCENT. LOWS
50-60. HIGHS 60-70. MIN HUMIDITIES 45-55 PERCENT. SOUTHWEST WINDS
10-15 MPH.
SATURDAY
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 60 PERCENT. LOWS 45-55. HIGHS
55-65. MIN HUMIDITIES 40-50 PERCENT. SOUTHWEST WINDS 10-15 MPH.
SUNDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. CHANCE OF RAIN 50 PERCENT.
LOWS 40-50. HIGHS 50-60. SOUTHWEST WINDS 10-15 MPH.
MONDAY
MOSTLY CLOUDY WITH RAIN LIKELY. CHANCE OF RAIN 70 PERCENT.
LOWS 40-50. HIGHS 50-60.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. CHANCE OF RAIN
20 PERCENT. LOWS 45-55. HIGHS 60-70.
MTZ106-108-241000-
WEST LOLO-EAST LOLO-
202 PM MDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........63-73 PERCENT VALLEYS AND 55-65 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......EAST 10-15 MPH.
* RIDGE TOP............EAST 10-20 MPH.
* MIXING HEIGHT.......7 KFT AGL UNTIL 2000. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....78-88 VALLEYS AND 70-80 RIDGES.
* MIN HUMIDITY........17-27 PERCENT VALLEYS AND 23-33 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTHEAST 5-10 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 0900. 9 KFT
AGL AFTER 1600.
* TRANSPORT WINDS.....EAST 10 MPH UNTIL 1400, THEN NORTH 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT OVER THE WEST LOLO...AND 20
PERCENT TOWARD THE EAST LOLO.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
AND THUNDERSTORMS.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........68-78 PERCENT VALLEYS AND 62-72 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 1-3 MPH.
* RIDGE TOP............NORTHEAST 5-15 MPH BECOMING SOUTHEAST 10-15
MPH AFTER MIDNIGHT.
* MIXING HEIGHT.......9 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....EAST 10 MPH UNTIL 0300, THEN VARIABLE LESS
THAN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT OVER THE WEST LOLO...AND 20
PERCENT TOWARD THE EAST LOLO.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* MAX TEMPERATURE.....75-85 VALLEYS AND 68-78 RIDGES.
* MIN HUMIDITY........20-30 PERCENT VALLEYS AND 26-36 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTH 5-10 MPH BECOMING WEST IN THE
AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER
1200.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 0900, THEN
SOUTHWEST 10 MPH UNTIL 1300, THEN WEST 15 MPH.
* CHANCE LIGHTNING....20 PERCENT OVER THE WEST LOLO...AND 30
PERCENT TOWARD THE EAST LOLO.
* CWR (> 0.10 INCH)...10 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY WITH RAIN LIKELY. CHANCE OF RAIN
60 PERCENT. LOWS 50-60. HIGHS 60-70. MIN HUMIDITIES 50-60 PERCENT. WEST
WINDS 5-10 MPH.
SATURDAY
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 70 PERCENT. LOWS 45-55. HIGHS
55-65. MIN HUMIDITIES 45-55 PERCENT. WEST WINDS 10-15 MPH.
SUNDAY
COOLER. MOSTLY CLOUDY WITH RAIN LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 60 PERCENT. LOWS 40-50. HIGHS
45-55. WEST WINDS 10-20 MPH.
MONDAY
MOSTLY CLOUDY WITH RAIN LIKELY. CHANCE OF RAIN 60 PERCENT.
LOWS 40-50. HIGHS 55-65.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. CHANCE OF RAIN
20 PERCENT. LOWS 40-50. HIGHS 60-70.
MTZ107-241000-
FLATHEAD RESERVATION-
202 PM MDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....50-55.
* MAX HUMIDITY........56-66 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTH 5-10 MPH DECREASING TO VARIABLE LESS
THAN 5 MPH AFTER MIDNIGHT.
* RIDGE TOP............EAST 10-20 MPH.
* MIXING HEIGHT.......6 KFT AGL UNTIL 2000. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....85-90 VALLEYS AND 60-65 RIDGES.
* MIN HUMIDITY........15-25 PERCENT VALLEYS AND 28-38 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTHEAST 10-15 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 0900. 8 KFT
AGL AFTER 1300.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. CHANCE OF RAIN.
* MIN TEMPERATURE.....55-60 VALLEYS AND 45-50 RIDGES.
* MAX HUMIDITY........59-69 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH IN THE EVENING
BECOMING DOWNSLOPE/DOWNVALLEY 1-3 MPH.
* RIDGE TOP............EAST 5-15 MPH.
* MIXING HEIGHT.......7 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT OVER AREAS WEST OF HIGHWAY
93...AND 15 PERCENT TOWARD THE MISSION MTNS AND AREAS EAST OF
HIGHWAY 93.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING,
THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* MAX TEMPERATURE.....85-90 VALLEYS AND 60-65 RIDGES.
* MIN HUMIDITY........19-29 PERCENT VALLEYS AND 30-40 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTH 5-15 MPH BECOMING WEST IN THE
AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER
1200.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 0900, THEN
SOUTHWEST 10 MPH UNTIL 1200, THEN WEST 15 MPH.
* CHANCE LIGHTNING....25 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY WITH CHANCE OF RAIN. CHANCE OF RAIN
30 PERCENT. LOWS 55-65. HIGHS 65-75. MIN HUMIDITIES 40-50 PERCENT.
SOUTHWEST WINDS 5-10 MPH.
SATURDAY
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 70 PERCENT. LOWS 50-60. HIGHS
60-70. MIN HUMIDITIES 35-45 PERCENT. SOUTHWEST WINDS 10-15 MPH.
SUNDAY
COOLER. MOSTLY CLOUDY WITH CHANCE OF RAIN. CHANCE OF RAIN
50 PERCENT. LOWS 45-55. HIGHS 50-60. SOUTHWEST WINDS 10-20 MPH.
MONDAY
MOSTLY CLOUDY WITH RAIN LIKELY. CHANCE OF RAIN 70 PERCENT.
LOWS 45-55. HIGHS 55-65.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. CHANCE OF RAIN
20 PERCENT. LOWS 45-55. HIGHS 65-75.
MTZ109-241000-
BITTERROOT-
202 PM MDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........60-70 PERCENT VALLEYS AND 53-63 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTH 5-10 MPH.
* RIDGE TOP............NORTH 10-15 MPH BECOMING EAST 5-10 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....NORTH 10 MPH UNTIL 2100. VARIABLE LESS THAN
10 MPH AFTER 2400.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
* MAX TEMPERATURE.....85-90 VALLEYS AND 70-75 RIDGES.
* MIN HUMIDITY........14-24 PERCENT VALLEYS AND 24-34 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST UP TO 5 MPH BECOMING NORTHWEST
5-15 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 9 KFT AGL AFTER 1400.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 0900, THEN
WEST 10 MPH.
* CHANCE LIGHTNING....25 PERCENT OVER THE DARBY, SULA, AND WEST
FORK DISTRICTS...AND 20 PERCENT TOWARD AREAS NORTH OF HAMILTON.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........65-75 PERCENT VALLEYS AND 55-65 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTH 5-10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............NORTH 5-15 MPH BECOMING WEST UP TO 5 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......6 KFT AGL UNTIL 2000. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....NORTH 10 MPH UNTIL 2300, THEN VARIABLE LESS
THAN 10 MPH.
* CHANCE LIGHTNING....20 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN IN THE
MORNING, THEN SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON.
* MAX TEMPERATURE.....80-85 VALLEYS AND 65-70 RIDGES.
* MIN HUMIDITY........17-27 PERCENT VALLEYS AND 26-36 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............WEST 5-10 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 0900. 9 KFT
AGL AFTER 1300.
* TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 1400, THEN WEST 15
MPH.
* CHANCE LIGHTNING....25 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
FRIDAY
COOLER. MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 70 PERCENT. LOWS 50-60. HIGHS
60-70. MIN HUMIDITIES 55-65 PERCENT. WEST WINDS 5-10 MPH.
SATURDAY
COOLER. CLOUDY WITH RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 90 PERCENT. LOWS 45-55. HIGHS
50-60. MIN HUMIDITIES 55-65 PERCENT. WEST WINDS 10-15 MPH.
SUNDAY
MOSTLY CLOUDY WITH RAIN SHOWERS, SNOW SHOWERS LIKELY AND
SLIGHT CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 70 PERCENT.
LOWS 35-45. HIGHS 45-55. WEST WINDS 10-20 MPH.
MONDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS, SNOW AND SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 50 PERCENT. LOWS
35-45. HIGHS 55-65.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 40-50. HIGHS
60-70.
MTZ110-111-241000-
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
202 PM MDT TUE JUN 23 2026
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....40-50.
* MAX HUMIDITY........70-80 PERCENT VALLEYS AND 58-68 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 5-15 MPH DECREASING TO VARIABLE
LESS THAN 5 MPH AFTER MIDNIGHT.
* RIDGE TOP............NORTHEAST 5-15 MPH.
* MIXING HEIGHT.......10 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....NORTH 10 MPH UNTIL 2000, THEN NORTHEAST 10
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
WEDNESDAY
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
* MAX TEMPERATURE.....75-80 VALLEYS AND 65-70 RIDGES.
* MIN HUMIDITY........22-32 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING NORTH 10-15 MPH IN THE
AFTERNOON.
* RIDGE TOP............NORTHWEST 5-10 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000, THEN 3 KFT AGL UNTIL
1100, THEN 5 KFT AGL UNTIL 1200, THEN 7 KFT AGL UNTIL 1300, THEN
9 KFT AGL UNTIL 1700, THEN 8 KFT AGL.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1000, THEN
NORTHWEST 10 MPH UNTIL 1400, THEN WEST 15 MPH.
* CHANCE LIGHTNING....25 PERCENT OVER THE DEERLODGE/WEST
BEAVERHEAD...AND 30 PERCENT TOWARD THE EAST BEAVERHEAD.
* CWR (> 0.10 INCH)...10 PERCENT.
WEDNESDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS.
* MIN TEMPERATURE.....40-50.
* MAX HUMIDITY........80-90 PERCENT VALLEYS AND 68-78 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......EAST 5-10 MPH.
* RIDGE TOP............NORTHEAST 5-10 MPH BECOMING EAST AFTER
MIDNIGHT.
* MIXING HEIGHT.......6 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....NORTHEAST 10 MPH UNTIL 2300. VARIABLE LESS
THAN 10 MPH AFTER 0300.
* CHANCE LIGHTNING....20 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....70-80 VALLEYS AND 60-70 RIDGES.
* MIN HUMIDITY........24-34 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST UP TO 5 MPH BECOMING WEST 5-15 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 0900. 8 KFT
AGL AFTER 1300.
* TRANSPORT WINDS.....SOUTHWEST 10 MPH UNTIL 1200, THEN WEST 15
MPH.
* CHANCE LIGHTNING....40 PERCENT.
* CWR (> 0.10 INCH)...20 PERCENT.
FRIDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND THUNDERSTORMS.
CHANCE OF PRECIPITATION 50 PERCENT. LOWS 45-55. HIGHS 65-75. MIN
HUMIDITIES 25-35 PERCENT. SOUTHWEST WINDS 20-30 MPH.
SATURDAY
COOLER. MOSTLY CLOUDY WITH RAIN SHOWERS AND CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 90 PERCENT. LOWS 40-50. HIGHS
55-65. MIN HUMIDITIES 45-55 PERCENT. SOUTHWEST WINDS 15-25 MPH.
SUNDAY
COOLER. MOSTLY CLOUDY WITH RAIN SHOWERS WITH POSSIBLE SNOW
SHOWERS AND THUNDERSTORMS LIKELY. CHANCE OF PRECIPITATION 80 PERCENT.
LOWS 35-45. HIGHS 45-55. WEST WINDS 10-20 MPH.
MONDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS, SNOW SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 40 PERCENT.
LOWS 35-45. HIGHS 55-65.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 35-45. HIGHS
60-70.
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