555
FNUS55 KMSO 120937
FWFMSO
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
337 AM MDT SAT SEP 12 2026
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING FOR PORTIONS OF EAST BEAVERHEAD...
...HIGH WIND WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING FOR PORTIONS OF EAST BEAVERHEAD...
DISCUSSION
IDAHO (ZONES 102 AND 103): WARMER AND DRIER CONDITIONS ARE ANTICIPATED
TODAY WITH LIGHT EASTERLY WINDS DEVELOPING THIS EVENING AHEAD OF AN
APPROACHING LOW PRESSURE SYSTEM. WIDESPREAD RAINFALL IS EXPECTED TONIGHT
THROUGH SUNDAY ALONG WITH COOLER TEMPERATURES. THE HEAVIER AMOUNTS
(0.25" OR GREATER) ARE MORE LIKELY ACROSS THE NORTHERN DISTRICTS,
TAPERING TOWARDS THE SOUTHERN DISTRICTS.
NORTHWEST MT (ZONES 104 AND 105): WARMER AND DRIER CONDITIONS ARE
ANTICIPATED TODAY WITH EASTERLY WINDS REDEVELOPING THIS EVENING AHEAD
OF AN APPROACHING LOW PRESSURE SYSTEM. WIDESPREAD RAINFALL IS EXPECTED
TONIGHT THROUGH SUNDAY ALONG WITH COOLER TEMPERATURES. THERE IS A HIGH
PROBABILITY (80 TO 100 PERCENT) OF 0.25" OR MORE BY MONDAY MORNING.
WEST CENTRAL MT (ZONES 106, 107 AND 108): WARMER AND DRIER CONDITIONS ARE
ANTICIPATED TODAY WITH EASTERLY WINDS REDEVELOPING THIS EVENING AHEAD
OF AN APPROACHING LOW PRESSURE SYSTEM. RAIN IS EXPECTED TO DEVELOP TONIGHT
THROUGH SUNDAY ALONG WITH COOLER TEMPERATURES. THERE IS A HIGH
PROBABILITY (80 TO 100 PERCENT) OF 0.25" OR MORE BY MONDAY MORNING FOR
WESTERN DISTRICTS AND THE CSKT, BUT AMOUNTS WILL TAPER SIGNIFICANTLY
FROM MISSOULA AND EASTWARDS.
SOUTHWEST MT (ZONES 109, 110 AND 111): TODAY WILL BE A WARM AND
DRY DAY AHEAD OF AN APPROACHING LOW PRESSURE SYSTEM. THERE WILL BE A
TIGHT GRADIENT IN TEMPERATURES AND RAIN CHANCES FOR SUNDAY WITH THE
COOLER AND SHOWERY CONDITIONS FAVORED OVER THE BITTERROOT NF, WHILE MILD
AND DRY CONDITIONS ARE FAVORED OVER THE EAST BEAVERHEAD. CRITICAL FIRE
WEATHER CONDITIONS ARE ANTICIPATED FOR THE EAST BEAVERHEAD (111) DUE TO
LOW RHS IN THE TEENS AND SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50
MPH POSSIBLE LOCALLY.
IDZ102-103-130945-
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-
237 AM PDT SAT SEP 12 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....78-88 VALLEYS AND 63-73 RIDGES.
* MIN HUMIDITY........24-34 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTHWEST 5-10 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1100. 7 KFT
AGL AFTER 1500.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1200, THEN
SOUTH 10 MPH.
* CHANCE LIGHTNING....0 PERCENT OVER THE PALOUSE/HELLS CANYON...AND
NEAR 0 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
* MIN TEMPERATURE.....40-50.
* MAX HUMIDITY........85-95 PERCENT VALLEYS AND 91-100 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 5-15 MPH.
* RIDGE TOP............SOUTHEAST 10-20 MPH IN THE EVENING.
* MIXING HEIGHT.......5 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....EAST 10 MPH UNTIL 0100, THEN 15 MPH UNTIL
0400, THEN SOUTHWEST 15 MPH.
* CHANCE LIGHTNING....20 PERCENT OVER THE PALOUSE/HELLS
CANYON...AND NEAR 0 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.
* CWR (> 0.10 INCH)...50 PERCENT OVER THE PALOUSE/HELLS
CANYON...AND 10 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN IN THE MORNING. SLIGHT
CHANCE OF THUNDERSTORMS. RAIN SHOWERS LIKELY IN THE AFTERNOON.
* MAX TEMPERATURE.....58-68 VALLEYS AND 45-55 RIDGES.
* MIN HUMIDITY........58-68 PERCENT VALLEYS AND 71-81 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-15 MPH.
* RIDGE TOP............WEST 5-15 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 6 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....WEST 15 MPH.
* CHANCE LIGHTNING....25 PERCENT.
* CWR (> 0.10 INCH)...90 PERCENT OVER THE PALOUSE/HELLS
CANYON...AND 70 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.
MONDAY
RAIN. CHANCE OF RAIN NEAR 100 PERCENT. LOWS 40-50. HIGHS
60-70. MIN HUMIDITIES 30-40 PERCENT. SOUTHWEST WINDS 10-15 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 40-50. HIGHS 60-70. MIN HUMIDITIES
30-40 PERCENT. DIURNAL TERRAIN WINDS TO 10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 40-50. HIGHS 65-75. NORTHEAST WINDS
5-10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 40-50. HIGHS 70-80.
FRIDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 75-85.
MTZ104-105-130945-
KOOTENAI-FLATHEAD/GLACIER PARK-
337 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....60-70 VALLEYS AND 50-55 RIDGES.
* MIN HUMIDITY........41-51 PERCENT VALLEYS AND 55-65 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............EAST 5-10 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100. 5 KFT AGL AFTER 1400.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....35-45.
* MAX HUMIDITY........80-90 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 10-20 MPH.
* RIDGE TOP............NORTHEAST 15-25 MPH.
* MIXING HEIGHT.......4 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....EAST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT OVER THE KOOTENAI...AND 0
PERCENT TOWARD THE FLATHEAD/GLACIER PARK.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....55-60 VALLEYS AND 40-50 RIDGES.
* MIN HUMIDITY........70-80 PERCENT VALLEYS AND 87-97 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............EAST 10-20 MPH BECOMING SOUTHWEST 5-10 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100, THEN 3 KFT AGL.
* TRANSPORT WINDS.....EAST 15 MPH UNTIL 1100, THEN SOUTHWEST 10 MPH
UNTIL 1600, THEN WEST 10 MPH.
* CHANCE LIGHTNING....20 PERCENT.
* CWR (> 0.10 INCH)...80 PERCENT.
MONDAY
MOSTLY CLOUDY WITH RAIN. CHANCE OF RAIN 90 PERCENT. LOWS
40-50. HIGHS 50-60. MIN HUMIDITIES 60-70 PERCENT. SOUTHWEST WINDS
10-20 MPH.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. CHANCE OF RAIN
20 PERCENT. LOWS 40-50. HIGHS 55-65. MIN HUMIDITIES 50-60 PERCENT. EAST
WINDS 5-10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 40-50. HIGHS 55-65. DIURNAL TERRAIN
WINDS TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 40-50. HIGHS 60-70.
FRIDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 65-75.
MTZ106-108-130945-
WEST LOLO-EAST LOLO-
337 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....58-68.
* MIN HUMIDITY........38-48 PERCENT VALLEYS AND 48-58 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............EAST 5-10 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100. 4 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....0 PERCENT OVER THE WEST LOLO...AND NEAR 0
PERCENT TOWARD THE EAST LOLO.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....40-45.
* MAX HUMIDITY........87-97 PERCENT VALLEYS AND 79-89 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......EAST 10-20 MPH.
* RIDGE TOP............EAST 15-25 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 2000, THEN BELOW 500 FT TO
1 KFT AGL.
* TRANSPORT WINDS.....EAST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....48-58.
* MIN HUMIDITY........58-68 PERCENT VALLEYS AND 70-80 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHEAST 10-20 MPH BECOMING WEST 5-15 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100. 5 KFT AGL AFTER 1300.
* TRANSPORT WINDS.....SOUTHEAST 10 MPH UNTIL 0800. WEST 15 MPH
AFTER 1100.
* CHANCE LIGHTNING....25 PERCENT OVER THE WEST LOLO...AND 20
PERCENT TOWARD THE EAST LOLO.
* CWR (> 0.10 INCH)...80 PERCENT OVER THE WEST LOLO...AND 30
PERCENT TOWARD THE EAST LOLO.
MONDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN. CHANCE OF RAIN 30 PERCENT.
LOWS 40-50. HIGHS 55-65. MIN HUMIDITIES 45-55 PERCENT. WEST WINDS
10-20 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 35-45. HIGHS 60-70. MIN HUMIDITIES
35-45 PERCENT. NORTH WINDS 5-10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 40-50. HIGHS 60-70. DIURNAL TERRAIN
WINDS TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 40-50. HIGHS 65-75.
FRIDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 70-80.
MTZ107-130945-
FLATHEAD RESERVATION-
337 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER.........MOSTLY CLOUDY.
* MAX TEMPERATURE.....65-70 VALLEYS AND 50-55 RIDGES.
* MIN HUMIDITY........45-55 PERCENT VALLEYS AND 60-70 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHEAST 10-20 MPH BECOMING SOUTHWEST UP TO
5 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100, THEN 4 KFT AGL.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....45-50 VALLEYS AND 35-40 RIDGES.
* MAX HUMIDITY........89-99 PERCENT VALLEYS AND 100 PERCENT RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTH 10-20 MPH.
* RIDGE TOP............EAST 15-25 MPH BECOMING SOUTHEAST 20-30 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 2000, THEN BELOW 500 FT TO
1 KFT AGL.
* TRANSPORT WINDS.....NORTHEAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING.
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....60-65 VALLEYS AND 40-45 RIDGES.
* MIN HUMIDITY........63-73 PERCENT VALLEYS AND 98 PERCENT RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHEAST 15-25 MPH BECOMING WEST 5-15 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100, THEN 4 KFT AGL.
* TRANSPORT WINDS.....NORTHEAST 10 MPH UNTIL 0800, THEN NORTHWEST
10 MPH UNTIL 0900, THEN SOUTHWEST 10 MPH UNTIL 1500, THEN WEST 15
MPH.
* CHANCE LIGHTNING....25 PERCENT OVER AREAS WEST OF HIGHWAY
93...AND 20 PERCENT TOWARD THE MISSION MTNS AND AREAS EAST OF
HIGHWAY 93.
* CWR (> 0.10 INCH)...70 PERCENT.
MONDAY
MOSTLY CLOUDY WITH RAIN. CHANCE OF RAIN 90 PERCENT. LOWS
45-55. HIGHS 55-65. MIN HUMIDITIES 45-55 PERCENT. SOUTHWEST WINDS
10-20 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 40-50. HIGHS 60-70. MIN HUMIDITIES
40-50 PERCENT. NORTHEAST WINDS 5-10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 40-50. HIGHS 60-70. DIURNAL TERRAIN
WINDS TO 10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 65-75.
FRIDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 70-80.
MTZ109-130945-
BITTERROOT-
337 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....70-75 VALLEYS AND 60-65 RIDGES.
* MIN HUMIDITY........27-37 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTH 5-10 MPH BECOMING SOUTHWEST IN THE
AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100. 8 KFT AGL AFTER 1400.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1100, THEN
SOUTHWEST 15 MPH UNTIL 1500, THEN WEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....40-45.
* MAX HUMIDITY........84-94 PERCENT VALLEYS AND 73-83 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTH 5-10 MPH.
* RIDGE TOP............EAST 10-15 MPH BECOMING SOUTHEAST 10-20 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......6 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1900, THEN VARIABLE LESS
THAN 10 MPH UNTIL 2100, THEN EAST 10 MPH UNTIL 0500, THEN
SOUTHEAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF RAIN. SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....65-70 VALLEYS AND 50-55 RIDGES.
* MIN HUMIDITY........41-51 PERCENT VALLEYS AND 49-59 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING NORTHWEST 5-15 MPH IN THE
AFTERNOON.
* RIDGE TOP............SOUTHWEST 10-20 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 0900, THEN 2
KFT AGL UNTIL 1000, THEN 6 KFT AGL UNTIL 1200, THEN 7 KFT AGL
UNTIL 1300, THEN 9 KFT AGL UNTIL 1700, THEN 8 KFT AGL.
* TRANSPORT WINDS.....SOUTHEAST 10 MPH UNTIL 0700, THEN SOUTHWEST
15 MPH.
* CHANCE LIGHTNING....20 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT OVER THE DARBY, SULA, AND WEST
FORK DISTRICTS...AND 30 PERCENT TOWARD AREAS NORTH OF HAMILTON.
MONDAY
PARTLY CLOUDY WITH CHANCE OF RAIN AND SNOW. CHANCE OF
PRECIPITATION 30 PERCENT. LOWS 35-45. HIGHS 55-65. MIN HUMIDITIES
35-45 PERCENT. WEST WINDS 10-20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 35-45. HIGHS 60-70. MIN HUMIDITIES
30-40 PERCENT. SOUTHWEST WINDS 5-10 MPH.
WEDNESDAY
MOSTLY CLEAR. LOWS 35-45. HIGHS 60-70. NORTH WINDS
5-10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 40-50. HIGHS 65-75.
FRIDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 70-80.
MTZ111-130945-
EAST BEAVERHEAD-
337 AM MDT SAT SEP 12 2026
...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...
...HIGH WIND WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....70-75 VALLEYS AND 55-65 RIDGES.
* MIN HUMIDITY........20-30 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTHWEST 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 1000, THEN
SOUTHWEST 10 MPH UNTIL 1200, THEN 20 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....40-45.
* MAX HUMIDITY........98-100 PERCENT VALLEYS AND 66-76 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 5-15 MPH.
* RIDGE TOP............EAST 5-15 MPH.
* MIXING HEIGHT.......7 KFT AGL UNTIL 1900, THEN BELOW 500 FT TO 1
KFT AGL.
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 1900, THEN SOUTHEAST 10 MPH
UNTIL 2100, THEN EAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....75-80 VALLEYS AND 60-65 RIDGES.
* MIN HUMIDITY........14-24 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......EAST 10-15 MPH INCREASING TO SOUTHWEST 30-40
MPH IN THE AFTERNOON.
* RIDGE TOP............SOUTH 20-30 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 11 KFT
AGL AFTER 1400.
* TRANSPORT WINDS.....SOUTHEAST 15 MPH UNTIL 1000, THEN SOUTH 15
MPH UNTIL 1200, THEN SOUTHWEST 30 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
MONDAY
MOSTLY CLEAR. LOWS 35-45. HIGHS 60-70. MIN HUMIDITIES
15-25 PERCENT. SOUTHWEST WINDS 20-30 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 35-45. HIGHS 65-75. MIN HUMIDITIES
10-20 PERCENT. SOUTH WINDS 10-15 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 35-45. HIGHS 60-70. NORTH WINDS
10-15 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 40-50. HIGHS 70-80.
FRIDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS. CHANCE OF
SHOWERS 20 PERCENT. LOWS 40-50. HIGHS 70-80.
MTZ110-130945-
DEERLODGE/WEST BEAVERHEAD-
337 AM MDT SAT SEP 12 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....58-68.
* MIN HUMIDITY........23-33 PERCENT VALLEYS AND 29-39 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTHWEST 5-10 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100. 9 KFT AGL AFTER 1400.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1100, THEN
SOUTHWEST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....35-40.
* MAX HUMIDITY........100 PERCENT VALLEYS AND 81-91 PERCENT RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......EAST 5-15 MPH.
* RIDGE TOP............SOUTHEAST 10-15 MPH BECOMING 10-20 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.......7 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 10 MPH UNTIL 1900, THEN NORTH 10 MPH
UNTIL 2000, THEN EAST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SUNDAY
* SKY/WEATHER.........PARTLY CLOUDY.
* MAX TEMPERATURE.....53-63.
* MIN HUMIDITY........25-35 PERCENT VALLEYS AND 33-43 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING WEST 15-25 MPH IN THE
AFTERNOON.
* RIDGE TOP............SOUTH 10-20 MPH BECOMING SOUTHWEST 15-25 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 10 KFT
AGL AFTER 1400.
* TRANSPORT WINDS.....SOUTHEAST 10 MPH UNTIL 1000, THEN SOUTHWEST
15 MPH UNTIL 1300, THEN 25 MPH.
* CHANCE LIGHTNING....20 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
MONDAY
PARTLY CLOUDY WITH CHANCE OF RAIN. CHANCE OF RAIN 30 PERCENT.
LOWS 35-45. HIGHS 55-65. MIN HUMIDITIES 25-35 PERCENT. WEST WINDS
15-25 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 30-40. HIGHS 60-70. MIN HUMIDITIES
20-30 PERCENT. WEST WINDS 5-10 MPH.
WEDNESDAY
PARTLY CLOUDY. LOWS 35-45. HIGHS 60-70. NORTH WINDS
5-10 MPH.
THURSDAY
MOSTLY CLEAR. LOWS 35-45. HIGHS 65-75.
FRIDAY
PARTLY CLOUDY. LOWS 40-50. HIGHS 65-75.
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