914
FNUS55 KMSO 202008
FWFMSO
FIRE WEATHER PLANNING FORECAST FOR WRN MONTANA AND N CNTRL IDAHO
NATIONAL WEATHER SERVICE MISSOULA MT
208 PM MDT WED AUG 20 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR EAST
BEAVERHEAD...
DISCUSSION
IDAHO (ZONES 102 AND 103): THURSDAY WILL SEE COOLER BUT DRY CONDITIONS
WITH MAINLY TERRAIN DRIVEN WINDS. GENERALLY LIGHT NORTHEAST TO EAST
WINDS ARE ANTICIPATED TO DEVELOP BY FRIDAY. HIGH PRESSURE WILL
STRENGTHEN THIS WEEKEND, TRENDING TEMPERATURES WARMER WITH THERMAL
BELTS ON MIDSLOPES/RIDGES AT NIGHT.
NORTHWEST MT (ZONES 104 AND 105): THURSDAY WILL SEE COOLER BUT DRY CONDITIONS
WITH MAINLY TERRAIN DRIVEN WINDS. A BACKDOOR COLD FRONT IN NORTH-CENTRAL
MONTANA WILL BRING NORTHEAST TO EAST WINDS THURSDAY NIGHT INTO FRIDAY.
HIGH PRESSURE WILL STRENGTHEN THIS WEEKEND, TRENDING TEMPERATURES
WARMER WITH THERMAL BELTS ON MIDSLOPES/RIDGES AT NIGHT.
WEST CENTRAL MT (ZONES 106, 107 AND 108): THURSDAY WILL SEE COOLER BUT DRY CONDITIONS
WITH MAINLY TERRAIN DRIVEN WINDS. A BACKDOOR COLD FRONT IN NORTH-CENTRAL
MONTANA WILL BRING NORTHEAST TO EAST WINDS THURSDAY NIGHT INTO FRIDAY.
HIGH PRESSURE WILL STRENGTHEN THIS WEEKEND, TRENDING TEMPERATURES
WARMER WITH THERMAL BELTS ON MIDSLOPES/RIDGES AT NIGHT.
BITTERROOT NF (ZONES 109): THURSDAY WILL SEE COOLER BUT DRY CONDITIONS
WITH MAINLY TERRAIN DRIVEN WINDS. A BACKDOOR COLD FRONT IN NORTH-CENTRAL
MONTANA WILL BRING NORTHEAST TO EAST WINDS FRIDAY. HIGH PRESSURE WILL
STRENGTHEN THIS WEEKEND, TRENDING TEMPERATURES WARMER WITH THERMAL
BELTS ON MIDSLOPES/RIDGES AT NIGHT.
SOUTHWEST MT (ZONES 110 AND 111): WARM, DRY, BREEZY AND UNSTABLE
CONDITIONS WILL CAUSE CRITICAL FIRE WEATHER INTO THIS EVENING,
ESPECIALLY FOR THE EAST BEAVERHEAD. ISOLATED THUNDERSTORMS WILL ALSO
BRING THE POTENTIAL FOR GUSTY OUTFLOW WINDS TO 50 MPH. THURSDAY WILL SEE
COOLER BUT DRY CONDITIONS WITH MAINLY TERRAIN DRIVEN WINDS. A BACKDOOR
COLD FRONT IN NORTH-CENTRAL MONTANA WILL BRING NORTHEAST TO EAST WINDS
FRIDAY. HIGH PRESSURE WILL STRENGTHEN THIS WEEKEND, TRENDING
TEMPERATURES WARMER WITH THERMAL BELTS ON MIDSLOPES/RIDGES AT NIGHT.
IDZ102-103-212015-
PALOUSE/HELLS CANYON-CLEARWATER/NEZ PERCE-
108 PM PDT WED AUG 20 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....48-58.
* MAX HUMIDITY........60-70 PERCENT VALLEYS AND 53-63 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-10 MPH.
* RIDGE TOP............NORTHWEST 5-10 MPH.
* MIXING HEIGHT.......7 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100 UNTIL 0400.
* TRANSPORT WINDS.....NORTHWEST 15 MPH UNTIL 2300, THEN VARIABLE
LESS THAN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT IN THE PALOUSE/HELLS
CANYON...AND 0 PERCENT IN THE CLEARWATER/NEZ PERCE.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE IN THE MORNING.
* MAX TEMPERATURE.....85-95 VALLEYS AND 70-80 RIDGES.
* MIN HUMIDITY........13-23 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............EAST UP TO 5 MPH BECOMING NORTHWEST 5-10 MPH
IN THE AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1500
UNTIL 1600.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.
* MIN TEMPERATURE.....50-60.
* MAX HUMIDITY........44-54 PERCENT VALLEYS AND 37-47 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTH 5-10 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............NORTH 5-10 MPH BECOMING EAST AFTER MIDNIGHT.
* MIXING HEIGHT.......7 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2100 UNTIL 0400.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....93-103 VALLEYS AND 75-85 RIDGES.
* MIN HUMIDITY........9-18 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............EAST 5-10 MPH BECOMING NORTHEAST IN THE
AFTERNOON.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1500
UNTIL 1600.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 55-65. HIGHS 90-100. MIN HUMIDITIES
15-25 PERCENT. EAST WINDS 5-10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 60-70. HIGHS 90-100. MIN HUMIDITIES
15-25 PERCENT. NORTHEAST WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 60-70. HIGHS 85-95. NORTHEAST WINDS
5-10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 60-70. HIGHS 85-95.
WEDNESDAY
PARTLY CLOUDY. LOWS 60-70. HIGHS 85-95.
MTZ104-105-212015-
KOOTENAI-FLATHEAD/GLACIER PARK-
208 PM MDT WED AUG 20 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........74-84 PERCENT VALLEYS AND 57-67 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-10 MPH.
* RIDGE TOP............WEST 10-20 MPH DECREASING TO 5-10 MPH AFTER
MIDNIGHT.
* MIXING HEIGHT.......9 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 20 MPH UNTIL 2100, THEN 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-90 VALLEYS AND 65-75 RIDGES.
* MIN HUMIDITY........10-20 PERCENT VALLEYS AND 19-29 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............WEST 5-10 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1300.
* TRANSPORT WINDS.....WEST 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........67-77 PERCENT VALLEYS AND 54-64 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 10-15 MPH.
* RIDGE TOP............NORTH 5-15 MPH BECOMING NORTHEAST 10-20 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 2100, THEN
NORTHEAST 10 MPH UNTIL 0500, THEN 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-90 VALLEYS AND 65-75 RIDGES.
* MIN HUMIDITY........16-26 PERCENT VALLEYS AND 29-39 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 10-15 MPH.
* RIDGE TOP............EAST 10-15 MPH.
* MIXING HEIGHT.......3 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
CLEAR. LOWS 50-60. HIGHS 80-90. MIN HUMIDITIES
10-20 PERCENT. EAST WINDS 10-15 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 50-60. HIGHS 80-90. MIN HUMIDITIES
10-20 PERCENT. NORTHEAST WINDS 10-15 MPH.
MONDAY
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90. NORTHEAST WINDS
5-10 MPH.
TUESDAY
MOSTLY CLEAR. LOWS 55-65. HIGHS 80-90.
WEDNESDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90.
MTZ106-108-212015-
WEST LOLO-EAST LOLO-
208 PM MDT WED AUG 20 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........61-71 PERCENT VALLEYS AND 53-63 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 10-15 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 5-10 MPH.
* RIDGE TOP............NORTHWEST 10-20 MPH.
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 0200, THEN VARIABLE LESS
THAN 10 MPH.
* CHANCE LIGHTNING....0 PERCENT IN THE WEST LOLO...AND NEAR 0
PERCENT IN THE EAST LOLO.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-90 VALLEYS AND 73-83 RIDGES.
* MIN HUMIDITY........12-22 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTHWEST 5-10 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1300.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........50-60 PERCENT VALLEYS AND 44-54 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 5-10 MPH.
* RIDGE TOP............NORTH 5-10 MPH BECOMING NORTHEAST 5-15 MPH
AFTER MIDNIGHT.
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 2200.
NORTHEAST 10 MPH AFTER 0500.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-90 VALLEYS AND 73-83 RIDGES.
* MIN HUMIDITY........12-22 PERCENT VALLEYS AND 18-28 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............EAST 5-10 MPH.
* MIXING HEIGHT.......3 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....EAST 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
CLEAR. LOWS 50-60. HIGHS 85-95. MIN HUMIDITIES
15-25 PERCENT. EAST WINDS 10-15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90. MIN HUMIDITIES
10-20 PERCENT. EAST WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90. EAST WINDS 5-10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90.
WEDNESDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90.
MTZ107-212015-
FLATHEAD RESERVATION-
208 PM MDT WED AUG 20 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.
* MIN TEMPERATURE.....50-55.
* MAX HUMIDITY........52-62 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......WEST 5-15 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............WEST 10-20 MPH.
* MIXING HEIGHT.......9 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.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE IN THE MORNING.
* MAX TEMPERATURE.....85-90 VALLEYS AND 65-70 RIDGES.
* MIN HUMIDITY........9-19 PERCENT VALLEYS AND 15-25 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............WEST 5-10 MPH.
* MIXING HEIGHT.......1-2 KFT AGL UNTIL 1000. 9 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE IN THE EVENING.
* MIN TEMPERATURE.....50-55.
* MAX HUMIDITY........45-55 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTH 5-10 MPH.
* RIDGE TOP............NORTHEAST 10-15 MPH.
* MIXING HEIGHT.......9 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 2000, THEN
NORTHEAST 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....85-90 VALLEYS AND 65-70 RIDGES.
* MIN HUMIDITY........12-22 PERCENT VALLEYS AND 22-32 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 1000. 7 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....NORTHEAST 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
CLEAR. LOWS 50-60. HIGHS 85-95. MIN HUMIDITIES
10-20 PERCENT. NORTHEAST WINDS 10-15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 85-95. MIN HUMIDITIES
10-20 PERCENT. NORTHEAST WINDS 10-15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 85-95. NORTHEAST WINDS
5-10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 85-95.
WEDNESDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 85-95.
MTZ109-212015-
BITTERROOT-
208 PM MDT WED AUG 20 2025
TONIGHT
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........70-80 PERCENT VALLEYS AND 56-66 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-15 MPH IN THE EVENING BECOMING
DOWNSLOPE/DOWNVALLEY 2-5 MPH.
* RIDGE TOP............NORTHWEST 5-15 MPH.
* MIXING HEIGHT.......8 KFT AGL UNTIL 1900. 1-2 KFT AGL AFTER 2000.
* TRANSPORT WINDS.....NORTHWEST 15 MPH UNTIL 2400, THEN VARIABLE
LESS THAN 10 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)...0 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY. AREAS OF SMOKE IN THE MORNING.
* MAX TEMPERATURE.....85-90 VALLEYS AND 70-80 RIDGES.
* MIN HUMIDITY........15-25 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTHEAST UP TO 5 MPH BECOMING NORTHWEST
5-10 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 8 KFT AGL AFTER 1400.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. AREAS OF SMOKE.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........55-65 PERCENT VALLEYS AND 41-51 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 5-10 MPH.
* RIDGE TOP............NORTHEAST 5-10 MPH.
* MIXING HEIGHT.......7 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....NORTH 10 MPH UNTIL 2200, THEN VARIABLE LESS
THAN 10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....90-95 VALLEYS AND 75-80 RIDGES.
* MIN HUMIDITY........14-24 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM BECOMING UPSLOPE/UPVALLEY 4-8 MPH IN
THE AFTERNOON.
* RIDGE TOP............NORTHEAST 5-10 MPH.
* MIXING HEIGHT.......3 KFT AGL UNTIL 1100. 9 KFT AGL AFTER 1600.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1400, THEN
NORTH 10 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)...0 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 50-60. HIGHS 85-95. MIN HUMIDITIES
15-25 PERCENT. EAST WINDS 5-10 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90. MIN HUMIDITIES
10-20 PERCENT. NORTHEAST WINDS 5-10 MPH.
MONDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90. EAST WINDS 5-10 MPH.
TUESDAY
PARTLY CLOUDY. LOWS 55-65. HIGHS 80-90.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 55-65. HIGHS
75-85.
MTZ111-212015-
EAST BEAVERHEAD-
208 PM MDT WED AUG 20 2025
..RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. HAZE. SLIGHT CHANCE OF RAIN
SHOWERS AND THUNDERSTORMS.
* MIN TEMPERATURE.....45-55.
* MAX HUMIDITY........71-81 PERCENT VALLEYS AND 52-62 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-15 MPH.
* RIDGE TOP............NORTHWEST 5-15 MPH.
* MIXING HEIGHT.......12 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....WEST 15 MPH UNTIL 2100, THEN NORTH 10 MPH.
* CHANCE LIGHTNING....30 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE.
* MAX TEMPERATURE.....85-90 VALLEYS AND 70-75 RIDGES.
* MIN HUMIDITY........12-22 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTH 5-15 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER 1500.
* TRANSPORT WINDS.....NORTH 10 MPH UNTIL 1200, THEN WEST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER.........PARTLY CLOUDY. AREAS OF SMOKE IN THE EVENING.
HAZE.
* MIN TEMPERATURE.....45-50.
* MAX HUMIDITY........68-78 PERCENT VALLEYS AND 52-62 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 5-10 MPH.
* RIDGE TOP............NORTHEAST 5-10 MPH.
* MIXING HEIGHT.......10 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....NORTHWEST 10 MPH UNTIL 2000, THEN NORTHEAST
10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....80-85 VALLEYS AND 65-75 RIDGES.
* MIN HUMIDITY........15-25 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM BECOMING NORTH 5-15 MPH IN THE
AFTERNOON.
* RIDGE TOP............NORTH 5-15 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 10 KFT AGL AFTER 1400.
* TRANSPORT WINDS.....NORTH 10 MPH UNTIL 1700, THEN 15 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 80-90. MIN HUMIDITIES
15-25 PERCENT. NORTHEAST WINDS 10-15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85. MIN HUMIDITIES
10-20 PERCENT. NORTHEAST WINDS 10-15 MPH.
MONDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 50-60. HIGHS
75-85. NORTH 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 SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 50-60. HIGHS
75-85.
MTZ110-212015-
DEERLODGE/WEST BEAVERHEAD-
208 PM MDT WED AUG 20 2025
TONIGHT
* SKY/WEATHER.........PARTLY CLOUDY. HAZE AND AREAS OF SMOKE.
SLIGHT CHANCE OF RAIN SHOWERS AND THUNDERSTORMS.
* MIN TEMPERATURE.....35-45 VALLEYS AND 45-50 RIDGES.
* MAX HUMIDITY........77-87 PERCENT VALLEYS AND 62-72 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHWEST 5-15 MPH.
* RIDGE TOP............NORTHWEST 5-15 MPH.
* MIXING HEIGHT.......10 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....NORTHWEST 15 MPH UNTIL 2200, THEN 10 MPH.
* CHANCE LIGHTNING....30 PERCENT.
* CWR (> 0.10 INCH)...10 PERCENT.
THURSDAY
* SKY/WEATHER.........MOSTLY SUNNY. HAZE.
* MAX TEMPERATURE.....80-85 VALLEYS AND 70-75 RIDGES.
* MIN HUMIDITY........13-23 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTHEAST UP TO 5 MPH BECOMING NORTHWEST
5-10 MPH IN THE AFTERNOON.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 9 KFT AGL AFTER 1400.
* TRANSPORT WINDS.....VARIABLE LESS THAN 10 MPH UNTIL 1100, THEN
WEST 10 MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
THURSDAY NIGHT
* SKY/WEATHER.........MOSTLY CLEAR. HAZE IN THE EVENING.
* MIN TEMPERATURE.....35-45 VALLEYS AND 45-50 RIDGES.
* MAX HUMIDITY........66-76 PERCENT VALLEYS AND 49-59 PERCENT
RIDGES.
* 20-FOOT WINDS.......
* LOWER ELEVATION......NORTHEAST 5-10 MPH.
* RIDGE TOP............NORTHEAST 5-10 MPH.
* MIXING HEIGHT.......9 KFT AGL UNTIL 1900. BELOW 500 FT TO 1 KFT
AGL AFTER 2000.
* TRANSPORT WINDS.....NORTHWEST 10 MPH UNTIL 2100, THEN NORTHEAST
10 MPH.
* CHANCE LIGHTNING....0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
FRIDAY
* SKY/WEATHER.........MOSTLY SUNNY.
* MAX TEMPERATURE.....75-85 VALLEYS AND 70-75 RIDGES.
* MIN HUMIDITY........17-27 PERCENT.
* 20-FOOT WINDS.......
* LOWER ELEVATION......CALM TO VARIABLE LESS THAN 7 MPH.
* RIDGE TOP............NORTHEAST 5-10 MPH.
* MIXING HEIGHT.......2 KFT AGL UNTIL 1000. 9 KFT AGL AFTER 1400.
* TRANSPORT WINDS.....NORTHEAST 10 MPH UNTIL 1500, THEN NORTH 10
MPH.
* CHANCE LIGHTNING....NEAR 0 PERCENT.
* CWR (> 0.10 INCH)...0 PERCENT.
SATURDAY
MOSTLY CLEAR. LOWS 45-55. HIGHS 80-90. MIN HUMIDITIES
15-25 PERCENT. EAST WINDS 10-15 MPH.
SUNDAY
PARTLY CLOUDY. LOWS 50-60. HIGHS 75-85. MIN HUMIDITIES
15-25 PERCENT. NORTHEAST WINDS 10-15 MPH.
MONDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 50-60. HIGHS
75-85. EAST WINDS 5-10 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS. CHANCE OF
SHOWERS 20 PERCENT. LOWS 50-60. HIGHS 75-85.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS. CHANCE OF PRECIPITATION 20 PERCENT. LOWS 50-60. HIGHS
75-85.
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