341
FNUS55 KMSO 130930
FWFMSO
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
330 AM MDT THU AUG 13 2026
DISCUSSION
IDAHO (ZONES 102 AND 103): SCATTERED SHOWERS AND THUNDERSTORMS WILL MOVE
OVER THE AREA THROUGH MID-MORNING THIS MORNING, WITH WIDESPREAD SMOKE.
AFTERNOON AND EVENING THUNDERSTORMS RETURN THIS AFTERNOON FROM, THAT
WILL BRING ABUNDANT LIGHTNING, GUSTY AND ERRATIC WINDS UP TO 40 MPH AND
LOCALIZED HEAVY RAINFALL. SCATTERED THUNDERSTORMS WILL REMAIN IN THE
FORECAST THROUGH THE FORECAST PERIOD, WITH SLIGHTLY BELOW NORMAL
TEMPERATURES.
NORTHWEST MT (ZONES 104 AND 105): SCATTERED SHOWERS AND THUNDERSTORMS WILL
MOVE OVER THE AREA THROUGH MID-MORNING THIS MORNING, WITH WIDESPREAD
SMOKE. AFTERNOON AND EVENING THUNDERSTORMS RETURN THIS AFTERNOON FROM,
THAT WILL BRING ABUNDANT LIGHTNING, GUSTY AND ERRATIC WINDS UP TO 40 MPH
AND LOCALIZED HEAVY RAINFALL. SCATTERED THUNDERSTORMS WILL REMAIN IN
THE FORECAST THROUGH THE FORECAST PERIOD, WITH SLIGHTLY BELOW NORMAL
TEMPERATURES.
WEST CENTRAL MT (ZONES 106, 107 AND 108): SCATTERED SHOWERS AND THUNDERSTORMS
WILL MOVE OVER THE AREA THROUGH MID-MORNING THIS MORNING, WITH WIDESPREAD
SMOKE. AFTERNOON AND EVENING THUNDERSTORMS RETURN THIS AFTERNOON FROM,
THAT WILL BRING ABUNDANT LIGHTNING, GUSTY AND ERRATIC WINDS UP TO 40 MPH
AND LOCALIZED HEAVY RAINFALL. SCATTERED THUNDERSTORMS WILL REMAIN IN
THE FORECAST THROUGH THE FORECAST PERIOD, WITH SLIGHTLY BELOW NORMAL
TEMPERATURES.
SOUTHWEST MT (ZONES 109, 110 AND 111): SCATTERED SHOWERS AND THUNDERSTORMS
WILL MOVE OVER THE AREA THROUGH MID-MORNING THIS MORNING, WITH WIDESPREAD
SMOKE. AFTERNOON AND EVENING THUNDERSTORMS RETURN THIS AFTERNOON FROM,
THAT WILL BRING ABUNDANT LIGHTNING, GUSTY AND ERRATIC WINDS UP TO 40 MPH
AND LOCALIZED HEAVY RAINFALL. SCATTERED THUNDERSTORMS WILL REMAIN IN
THE FORECAST THROUGH THE FORECAST PERIOD, WITH SLIGHTLY BELOW NORMAL
TEMPERATURES.
VIEW WEATHER BRIEFING VIDEOS ON OUR YOUTUBE CHANNEL
AT HTTPS://WWW.YOUTUBE.COM/NWSMISSOULA
IDZ102-103-140930-
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-
230 AM PDT THU AUG 13 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE. HAZE IN THE
AFTERNOON.
* MAX TEMPERATURE.....83-93 VALLEYS AND 70-75 RIDGES.
* MIN HUMIDITY........27-37 PERCENT VALLEYS AND 39-49 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTHWEST 5-10 MPH.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000. 8 KFT
AGL AFTER 1400.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 0900, THEN
WEST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT OVER THE PALOUSE/HELLS
CANYON...AND 30 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. AND PATCHY SMOKE. CHANCE OF
RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
* MIN TEMPERATURE.....48-58.
* MAX HUMIDITY........72-82 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-10 MPH BECOMING VARIABLE LESS
THAN 5 MPH AFTER MIDNIGHT.
* RIDGE TOP............NORTH 5-10 MPH BECOMING SOUTHEAST AFTER
MIDNIGHT.
* MIXING HEIGHT.......7 KFT AGL UNTIL 2000. BELOW 500 FT TO 1 KFT
AGL AFTER 2100.
* TRANSPORT WINDS.....NORTHWEST 10 MPH UNTIL 2200. VARIABLE LESS
THAN 10 MPH AFTER 0100.
* CHANCE LIGHTNING....20 PERCENT OVER THE PALOUSE/HELLS
CANYON...AND 30 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS.
* MAX TEMPERATURE.....78-88 VALLEYS AND 65-75 RIDGES.
* MIN HUMIDITY........40-50 PERCENT VALLEYS AND 54-64 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTH UP TO 5 MPH BECOMING WEST IN THE
AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100. 9 KFT AGL AFTER 1600.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.
* CHANCE LIGHTNING....40 PERCENT OVER THE PALOUSE/HELLS
CANYON...AND 50 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.
* CWR (> 0.10 INCH)...10 PERCENT OVER THE PALOUSE/HELLS
CANYON...AND 60 PERCENT TOWARD THE CLEARWATER/NEZ PERCE.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS 50-60. HIGHS
80-90. MIN HUMIDITIES 20-30 PERCENT. DIURNAL TERRAIN WINDS TO 10 MPH.
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS. CHANCE OF
SHOWERS 20 PERCENT. LOWS 55-65. HIGHS 80-90. MIN HUMIDITIES
20-30 PERCENT. SOUTHEAST WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 55-65. HIGHS
80-90. SOUTHWEST WINDS 5-10 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 55-65. HIGHS
75-85.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS. CHANCE
OF SHOWERS 20 PERCENT. LOWS 55-65. HIGHS 75-85.
MTZ104-105-140930-
KOOTENAI-FLATHEAD/GLACIER PARK-
330 AM MDT THU AUG 13 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. RAIN SHOWERS LIKELY AND SLIGHT
CHANCE OF THUNDERSTORMS.
* MAX TEMPERATURE.....68-78 VALLEYS AND 50-60 RIDGES.
* MIN HUMIDITY........50-60 PERCENT VALLEYS AND 76-86 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 10-15 MPH.
* RIDGE TOP............NORTHEAST 10-15 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1100. 4 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....NORTHEAST 15 MPH.
* CHANCE LIGHTNING....25 PERCENT OVER THE KOOTENAI...AND 30 PERCENT
TOWARD THE FLATHEAD/GLACIER PARK.
* CWR (> 0.10 INCH)...40 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....40-50.
* MAX HUMIDITY........100 PERCENT VALLEYS AND 83-93 PERCENT RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 10-15 MPH.
* RIDGE TOP............NORTHEAST 10-20 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 2100, THEN BELOW 500 FT TO 1
KFT AGL.
* TRANSPORT WINDS.....NORTHEAST 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT OVER THE KOOTENAI...AND 25
PERCENT TOWARD THE FLATHEAD/GLACIER PARK.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN. SLIGHT CHANCE
OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....70-80 VALLEYS AND 55-65 RIDGES.
* MIN HUMIDITY........48-58 PERCENT VALLEYS AND 71-81 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............EAST 5-15 MPH DECREASING TO UP TO 5 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1100. 6 KFT AGL AFTER 1300.
* TRANSPORT WINDS.....EAST 10 MPH UNTIL 1300, THEN SOUTHEAST 10 MPH
UNTIL 1600, THEN NORTHWEST 10 MPH.
* CHANCE LIGHTNING....20 PERCENT OVER THE KOOTENAI...AND 25 PERCENT
TOWARD THE FLATHEAD/GLACIER PARK.
* CWR (> 0.10 INCH)...10 PERCENT OVER THE KOOTENAI...AND 30 PERCENT
TOWARD THE FLATHEAD/GLACIER PARK.
SATURDAY
PARTLY CLOUDY. LOWS 45-55. HIGHS 70-80. MIN HUMIDITIES
30-40 PERCENT. EAST WINDS 5-10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85. MIN HUMIDITIES
25-35 PERCENT. SOUTHWEST WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85. SOUTHWEST WINDS
5-10 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 50-60. HIGHS
70-80.
WEDNESDAY
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS
50-60. HIGHS 70-80.
MTZ106-108-140930-
WEST LOLO-EAST LOLO-
330 AM MDT THU AUG 13 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE. SLIGHT CHANCE OF
RAIN IN THE MORNING. CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON.
* MAX TEMPERATURE.....65-75.
* MIN HUMIDITY........39-49 PERCENT VALLEYS AND 49-59 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............EAST 10-15 MPH BECOMING WEST 5-10 MPH IN THE
AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 6 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....EAST 10 MPH UNTIL 1400, THEN VARIABLE LESS
THAN 10 MPH UNTIL 1500, THEN NORTHWEST 10 MPH UNTIL 1700, THEN
NORTH 10 MPH.
* CHANCE LIGHTNING....25 PERCENT OVER THE WEST LOLO...AND 30
PERCENT TOWARD THE EAST LOLO.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. AND PATCHY SMOKE. CHANCE OF
RAIN SHOWERS AND THUNDERSTORMS.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........80-90 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 5-15 MPH.
* RIDGE TOP............NORTHEAST 5-15 MPH.
* MIXING HEIGHT.......4 KFT AGL UNTIL 2000. BELOW 500 FT TO 1 KFT
AGL AFTER 0300.
* TRANSPORT WINDS.....NORTHEAST 10 MPH UNTIL 0200, THEN EAST 10
MPH.
* CHANCE LIGHTNING....25 PERCENT OVER THE WEST LOLO...AND 40
PERCENT TOWARD THE EAST LOLO.
* CWR (> 0.10 INCH)...0 PERCENT OVER THE WEST LOLO...AND 30 PERCENT
TOWARD THE EAST LOLO.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN IN THE MORNING.
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....70-80 VALLEYS AND 63-73 RIDGES.
* MIN HUMIDITY........50-60 PERCENT VALLEYS AND 67-77 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............EAST 5-10 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1100. 6 KFT AGL AFTER 1400.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1300, THEN
SOUTHWEST 10 MPH.
* CHANCE LIGHTNING....30 PERCENT OVER THE WEST LOLO...AND 40
PERCENT TOWARD THE EAST LOLO.
* CWR (> 0.10 INCH)...30 PERCENT OVER THE WEST LOLO...AND 60
PERCENT TOWARD THE EAST LOLO.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 40 PERCENT. LOWS 50-60. HIGHS
75-85. MIN HUMIDITIES 30-40 PERCENT. DIURNAL TERRAIN WINDS TO 10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85. MIN HUMIDITIES
25-35 PERCENT. SOUTH WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 55-65. HIGHS
75-85. SOUTHWEST WINDS 5-10 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 50-60. HIGHS
75-85.
WEDNESDAY
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS
50-60. HIGHS 70-80.
MTZ107-140930-
FLATHEAD RESERVATION-
330 AM MDT THU AUG 13 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE. CHANCE OF RAIN.
SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
* MAX TEMPERATURE.....75-80 VALLEYS AND 55-60 RIDGES.
* MIN HUMIDITY........43-53 PERCENT VALLEYS AND 70-80 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHEAST 5-15 MPH BECOMING WEST 5-10 MPH IN
THE AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 6 KFT AGL AFTER 1200.
* TRANSPORT WINDS.....NORTHEAST 10 MPH.
* CHANCE LIGHTNING....25 PERCENT OVER AREAS WEST OF HIGHWAY
93...AND 30 PERCENT TOWARD THE MISSION MTNS AND AREAS EAST OF
HIGHWAY 93.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE IN THE EVENING.
SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........78-88 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTH 5-15 MPH.
* RIDGE TOP............NORTHEAST 5-15 MPH BECOMING SOUTHEAST AFTER
MIDNIGHT.
* MIXING HEIGHT.......4 KFT AGL UNTIL 2000, THEN BELOW 500 FT TO 1
KFT AGL.
* TRANSPORT WINDS.....NORTHEAST 15 MPH UNTIL 0500, THEN VARIABLE
LESS THAN 10 MPH.
* CHANCE LIGHTNING....25 PERCENT OVER AREAS WEST OF HIGHWAY
93...AND 30 PERCENT TOWARD THE MISSION MTNS AND AREAS EAST OF
HIGHWAY 93.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* 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.....75-80 VALLEYS AND 55-60 RIDGES.
* MIN HUMIDITY........45-55 PERCENT VALLEYS AND 76-86 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTHEAST 5-10 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1200, THEN 4 KFT AGL.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1600, THEN
NORTHWEST 10 MPH.
* CHANCE LIGHTNING....30 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT OVER AREAS WEST OF HIGHWAY
93...AND 40 PERCENT TOWARD THE MISSION MTNS AND AREAS EAST OF
HIGHWAY 93.
SATURDAY
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85. MIN HUMIDITIES
25-35 PERCENT. EAST WINDS 5-10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90. MIN HUMIDITIES
25-35 PERCENT. SOUTHEAST WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90. SOUTH WINDS 5-10 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 55-65. HIGHS
80-90.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. CHANCE OF RAIN
20 PERCENT. LOWS 55-65. HIGHS 75-85.
MTZ109-140930-
BITTERROOT-
330 AM MDT THU AUG 13 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. PATCHY SMOKE. SLIGHT CHANCE OF
RAIN IN THE MORNING. CHANCE OF RAIN SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON.
* MAX TEMPERATURE.....80-85 VALLEYS AND 65-70 RIDGES.
* MIN HUMIDITY........32-42 PERCENT VALLEYS AND 40-50 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............SOUTHEAST 5-10 MPH BECOMING NORTHWEST IN THE
AFTERNOON.
* MIXING HEIGHT.......BELOW 500 FT TO 1 KFT AGL UNTIL 1000, THEN 2
KFT AGL UNTIL 1100, THEN 4 KFT AGL UNTIL 1200, THEN 8 KFT AGL
UNTIL 1600, THEN 6 KFT AGL.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1100, THEN
WEST 10 MPH.
* CHANCE LIGHTNING....40 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY SMOKE. CHANCE OF RAIN
SHOWERS AND THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN AFTER
MIDNIGHT.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........80-90 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......VARIABLE LESS THAN 5 MPH.
* RIDGE TOP............NORTH 5-10 MPH BECOMING SOUTHEAST UP TO 5
MPH AFTER MIDNIGHT.
* MIXING HEIGHT.......3 KFT AGL UNTIL 2000, THEN BELOW 500 FT TO 1
KFT AGL.
* TRANSPORT WINDS.....NORTHWEST 10 MPH UNTIL 2000. VARIABLE LESS
THAN 10 MPH AFTER 0400.
* CHANCE LIGHTNING....30 PERCENT.
* CWR (> 0.10 INCH)...30 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY SMOKE IN THE MORNING.
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS.
* MAX TEMPERATURE.....75-80 VALLEYS AND 60-65 RIDGES.
* MIN HUMIDITY........52-62 PERCENT VALLEYS AND 66-76 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTHWEST UP TO 5 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1100. 5 KFT AGL AFTER 1300.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1300, THEN
WEST 10 MPH.
* CHANCE LIGHTNING....50 PERCENT OVER THE DARBY, SULA, AND WEST
FORK DISTRICTS...AND 40 PERCENT TOWARD AREAS NORTH OF HAMILTON.
* CWR (> 0.10 INCH)...70 PERCENT.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 50 PERCENT. LOWS 50-60. HIGHS
70-80. MIN HUMIDITIES 30-40 PERCENT. VARIABLE WINDS UP TO 10 MPH.
SUNDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 50-60. HIGHS
75-85. MIN HUMIDITIES 25-35 PERCENT. SOUTH WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 50-60. HIGHS
75-85. SOUTHWEST WINDS 5-10 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND THUNDERSTORMS.
CHANCE OF PRECIPITATION 40 PERCENT. LOWS 50-60. HIGHS 70-80.
WEDNESDAY
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS
50-60. HIGHS 70-80.
MTZ110-111-140930-
DEERLODGE/WEST BEAVERHEAD-EAST BEAVERHEAD-
330 AM MDT THU AUG 13 2026
TODAY
* SKY/WEATHER.........PARTLY CLOUDY. AND PATCHY SMOKE. SLIGHT
CHANCE OF RAIN IN THE MORNING. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* MAX TEMPERATURE.....70-75 VALLEYS AND 60-70 RIDGES.
* MIN HUMIDITY........37-47 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO 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 1000, THEN 2
KFT AGL UNTIL 1100, THEN 4 KFT AGL UNTIL 1200, THEN 7 KFT AGL
UNTIL 1400, THEN 8 KFT AGL UNTIL 1600, THEN 6 KFT AGL.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1000, THEN
SOUTHWEST 10 MPH UNTIL 1400, THEN 10 MPH.
* CHANCE LIGHTNING....40 PERCENT.
* CWR (> 0.10 INCH)...30 PERCENT.
TONIGHT
* SKY/WEATHER.........MOSTLY CLOUDY. PATCHY SMOKE. CHANCE OF
THUNDERSTORMS IN THE EVENING. RAIN SHOWERS LIKELY.
* MIN TEMPERATURE.....40-50.
* MAX HUMIDITY........100 PERCENT VALLEYS AND 86-96 PERCENT RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......EAST 5-10 MPH.
* RIDGE TOP............SOUTHEAST 5-10 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 2000, THEN BELOW 500 FT TO 1
KFT AGL.
* TRANSPORT WINDS.....SOUTH 10 MPH UNTIL 2000, THEN VARIABLE LESS
THAN 10 MPH.
* CHANCE LIGHTNING....40 PERCENT.
* CWR (> 0.10 INCH)...60 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY CLOUDY. RAIN SHOWERS LIKELY AND CHANCE
OF THUNDERSTORMS.
* MAX TEMPERATURE.....65-70 VALLEYS AND 55-60 RIDGES.
* MIN HUMIDITY........55-65 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............SOUTH 5-10 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 5 KFT AGL AFTER 1200.
* TRANSPORT WINDS.....SOUTH 10 MPH UNTIL 1300, THEN SOUTHWEST 10
MPH.
* CHANCE LIGHTNING....50 PERCENT.
* CWR (> 0.10 INCH)...80 PERCENT.
SATURDAY
MOSTLY CLOUDY WITH RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS. CHANCE OF PRECIPITATION 60 PERCENT. LOWS 45-55. HIGHS
65-75. MIN HUMIDITIES 35-45 PERCENT. SOUTH WINDS 5-10 MPH.
SUNDAY
PARTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. CHANCE OF PRECIPITATION 50 PERCENT. LOWS 45-55. HIGHS
70-80. MIN HUMIDITIES 30-40 PERCENT. SOUTHWEST WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 45-55. HIGHS
70-80. SOUTHWEST WINDS 10-15 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND THUNDERSTORMS.
CHANCE OF PRECIPITATION 40 PERCENT. LOWS 50-60. HIGHS 70-80.
WEDNESDAY
MOSTLY CLOUDY WITH CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. CHANCE OF PRECIPITATION 30 PERCENT. LOWS
45-55. HIGHS 70-80.
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