982
FNUS55 KPIH 132009
FWFPIH
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
209 PM MDT WED AUG 13 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS FOR
FIRE WEATHER ZONES 411, 413, 427, 475 AND 476...
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES
410, 422, AND 425...
DISCUSSION
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475
AND 476)...
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS FOR
FIRE WEATHER ZONES 475 AND 476...
CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH THIS EVENING. THE THREAT FOR
ISOLATED STORMS WILL MAINLY BE OVER ZONE 476, WITH STRONGER STORMS POTENTIALLY
PRODUCING WINDS OVER 45 MPH. FOR THURSDAY, WE EXPECT CRITICAL FIRE CONDITIONS
AGAIN DUE TO WINDS AND LOW HUMIDITY, ALONG WITH ANOTHER ROUND OF ISOLATED STORMS ACROSS
476. THE POTENTIAL FOR CRITICAL FIRE WEATHER CONDITIONS WILL PERSIST THROUGH
THE WEEKEND.
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411
AND 413)...
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS FOR
FIRE WEATHER ZONES 410 AND 413...
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 410...
CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH THIS EVENING. THE THREAT FOR
ISOLATED STORMS WILL MAINLY BE OVER HIGHER ELEVATIONS, WITH STRONGER STORMS POTENTIALLY
PRODUCING WINDS OVER 45 MPH...EVEN CLOSER TO 60 MPH TOWARD THE UTAH BORDER. WE DO EXPECT ISOLATED
SHOWERS AND STORMS TO REMAIN OVERNIGHT. FOR THURSDAY, WE EXPECT CRITICAL FIRE CONDITIONS
AGAIN DUE TO WINDS AND LOW HUMIDITY ACROSS 410 AND 411, AND SCATTERED STORMS ACROSS 413. STRONG OUTFLOW
WINDS OVER 45 MPH ARE POSSIBLE ONCE AGAIN WITH BIGGER STORMS. THE POTENTIAL FOR CRITICAL FIRE
WEATHER CONDITIONS WILL PERSIST THROUGH THE WEEKEND.
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES
422...425 AND 427)...
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS FOR
FIRE WEATHER ZONE 427...
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 422
AND 425...
CRITICAL FIRE WEATHER CONDITIONS WILL CONTINUE THROUGH THIS EVENING. THE THREAT FOR
ISOLATED STORMS WILL MAINLY OVER 427, WITH STRONGER STORMS POTENTIALLY
PRODUCING WINDS OVER 45 MPH AND POTENTIALLY NEAR 60 MPH. WE DO EXPECT ISOLATED
SHOWERS AND STORMS TO REMAIN OVERNIGHT ACROSS SOUTHERN AREAS. FOR THURSDAY, WE EXPECT
CRITICAL FIRE CONDITIONS DUE TO SCATTERED STORMS AND OUTFLOW WINDS OVER 45 MPH ARE POSSIBLE.
WINDS WILL BE NEAR CRITICAL FOR ZONES 422 AND 425 DUE TO WINDS AND LOW HUMIDITY.
THE POTENTIAL FOR CRITICAL FIRE WEATHER CONDITIONS WILL PERSIST THROUGH THE WEEKEND.
IDZ475-141030-
EAST SALMON RIVER MOUNTAINS/SALMON NF-
209 PM MDT WED AUG 13 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR GUSTY
WINDS, LOW HUMIDITY, AND ISOLATED THUNDERSTORMS...
TONIGHT
* SKY/WEATHER........CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....49-56.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY.......40-48 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 11 TO 16 MPH DECREASING TO 4 TO 6 MPH
AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 12 TO 17 MPH WITH GUSTS TO AROUND 25
MPH DECREASING TO 4 TO 7 MPH WITH GUSTS TO
AROUND 15 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 15 MPH IN THE EVENING BECOMING
LIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....77-84 VALLEYS AND 67-74 RIDGES.
24 HR TREND......3 DEGREES DOWN.
* MIN HUMIDITY.......13-19 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 14 MPH.
RIDGES/UPR SLOPES....WEST 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......11500-12500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO WEST
AROUND 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....47-54.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......45-53 PERCENT.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 8 TO 13 MPH.
RIDGES/UPR SLOPES....WEST 8 TO 13 MPH WITH GUSTS TO AROUND 20
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 15 MPH IN THE EVENING BECOMING
LIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....77-84 VALLEYS AND 67-74 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......15-21 PERCENT.
24 HR TREND......2 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 13 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 9 TO 14 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12000-13000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
25 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 55. HIGHS 73 TO 80.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 47 TO 54. HIGHS 70 TO 77. SOUTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 20 MPH.
MONDAY
PARTLY CLOUDY. LOWS 46 TO 53. HIGHS 73 TO 80. SOUTHWEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
MOSTLY CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S.
IDZ476-141030-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
209 PM MDT WED AUG 13 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW HUMIDITY, AND ISOLATED THUNDERSTORMS...
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR. ISOLATED SHOWERS AND STORMS
IN THE EVENING.
* CHC OF THUNDER.....15 PERCENT.
* MIN TEMPERATURE....49-56.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY.......36-44 PERCENT VALLEYS AND 31-39 PERCENT
RIDGES.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 14 TO 19 MPH BECOMING SOUTHWEST 4 TO
7 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 14 TO 19 MPH WITH GUSTS TO AROUND 30
MPH DECREASING TO 4 TO 9 MPH WITH GUSTS TO
AROUND 15 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 20 MPH DECREASING TO AROUND 10 MPH
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....80-87 VALLEYS AND 69-76 RIDGES.
24 HR TREND......3 DEGREES DOWN.
* MIN HUMIDITY.......13-18 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 13 TO 18 MPH.
RIDGES/UPR SLOPES....WEST 13 TO 18 MPH. GUSTS UP TO 20 MPH
INCREASING TO 30 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......14000-15000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....46-53.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......36-44 PERCENT VALLEYS AND 31-39 PERCENT
RIDGES.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 12 TO 17 MPH.
RIDGES/UPR SLOPES....WEST 12 TO 17 MPH WITH GUSTS TO AROUND 25
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 20 MPH DECREASING TO AROUND 10 MPH
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....80-87 VALLEYS AND 69-76 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......13-18 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 6 MPH INCREASING TO 11 TO
16 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 7 MPH INCREASING TO 12 TO
17 MPH WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......14500-15500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
25 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLEAR. LOWS 48 TO 55. HIGHS 73 TO 80.
SOUTHWEST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 47 TO 54. HIGHS 71 TO 78. SOUTHWEST WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 25 MPH.
MONDAY
MOSTLY CLEAR. LOWS 45 TO 52. HIGHS 73 TO 80. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
TUESDAY
CLEAR. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
WEDNESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 70S.
IDZ422-141030-
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-
209 PM MDT WED AUG 13 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY...
TONIGHT
* SKY/WEATHER........CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....51-58.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY.......30-38 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 13 TO 18 MPH BECOMING NORTHWEST 4 TO
7 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 12 TO 17 MPH. GUSTS UP TO 25 MPH
DECREASING TO 15 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 20 MPH BECOMING NORTHWEST AROUND
10 MPH AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....80-87 VALLEYS AND 67-74 RIDGES.
24 HR TREND......4 DEGREES DOWN.
* MIN HUMIDITY.......13-18 PERCENT VALLEYS AND 16-24 PERCENT
RIDGES.
24 HR TREND......2 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 12 TO 17 MPH.
RIDGES/UPR SLOPES....WEST 12 TO 17 MPH WITH GUSTS TO AROUND 25
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......11500-12500 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH INCREASING TO AROUND 25 MPH
IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....48-55.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY.......32-40 PERCENT.
24 HR TREND......4 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 12 TO 17 MPH SHIFTING TO THE NORTH 5
TO 10 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 9 TO 14 MPH WITH GUSTS TO AROUND 20
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....78-85 VALLEYS AND 67-74 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......13-18 PERCENT VALLEYS AND 16-24 PERCENT
RIDGES.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 14 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12250-13250 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 25 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLEAR. LOWS 49 TO 56. HIGHS 73 TO 80.
SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 48 TO 55. HIGHS 71 TO 78. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
MOSTLY CLEAR. LOWS 47 TO 54. HIGHS 74 TO 81. SOUTH
WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.
WEDNESDAY
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER
70S.
IDZ425-141030-
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-
209 PM MDT WED AUG 13 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY...
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS.
* CHC OF THUNDER.....15 PERCENT.
* MIN TEMPERATURE....AROUND 59.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......36-44 PERCENT.
24 HR TREND......2 PERCENT DOWN.
* 20FT WINDS.........WEST WINDS 14 TO 19 MPH WITH GUSTS TO AROUND
30 MPH BECOMING NORTHWEST 4 TO 6 MPH AFTER
MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 20 MPH BECOMING NORTHWEST AROUND
10 MPH AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 91.
24 HR TREND......4 DEGREES DOWN.
* MIN HUMIDITY.......14-22 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........SOUTHWEST WINDS 12 TO 17 MPH. GUSTS UP TO 20
MPH INCREASING TO 30 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......11250-12250 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH INCREASING TO AROUND 20 MPH
IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....AROUND 56.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY.......37-45 PERCENT.
24 HR TREND......2 PERCENT UP.
* 20FT WINDS.........WEST WINDS 12 TO 17 MPH. GUSTS UP TO 25 MPH
DECREASING TO 15 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 90.
24 HR TREND......2 DEGREES DOWN.
* MIN HUMIDITY.......12-20 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........WEST WINDS 7 TO 12 MPH. GUSTS UP TO 20 MPH IN
THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12500-13500 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS AROUND
90. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
PARTLY CLOUDY. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 80S. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO AROUND
20 MPH.
MONDAY
CLEAR. LOWS IN THE MID 50S. HIGHS AROUND 90. SOUTH
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 90S.
WEDNESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE LOWER 90S.
IDZ427-141030-
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS
BLM SOUTH OF THE SNAKE RIVER-
209 PM MDT WED AUG 13 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW HUMIDITY, AND ISOLATED THUNDERSTORMS...
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....59-66.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......31-39 PERCENT.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 10 TO 15 MPH SHIFTING TO THE
SOUTHWEST 4 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 9 TO 14 MPH WITH GUSTS TO AROUND 20
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....25 PERCENT.
* MAX TEMPERATURE....87-92 VALLEYS AND 80-87 RIDGES.
24 HR TREND......4 DEGREES DOWN.
* MIN HUMIDITY.......14-21 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 8 TO 13 MPH.
RIDGES/UPR SLOPES....WEST 8 TO 13 MPH WITH GUSTS TO AROUND 20
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......12250-13250 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
THURSDAY NIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE EVENING.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....55-62.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY.......33-41 PERCENT.
24 HR TREND......2 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 8 TO 13 MPH SHIFTING TO THE SOUTHWEST
4 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 7 TO 12 MPH WITH GUSTS TO AROUND 20
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH.
FRIDAY
* SKY/WEATHER........SUNNY THEN BECOMING PARTLY CLOUDY. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....85-90 VALLEYS AND 78-85 RIDGES.
24 HR TREND......2 DEGREES DOWN.
* MIN HUMIDITY.......16-21 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...NORTHWEST 5 TO 10 MPH.
RIDGES/UPR SLOPES....NORTHWEST 5 TO 10 MPH WITH GUSTS TO AROUND
15 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......13000-14000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 56 TO 63. HIGHS 81 TO 88. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 53 TO 60. HIGHS 79 TO 86. SOUTHWEST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
CLEAR. LOWS 53 TO 60. HIGHS 82 TO 89. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 80S.
WEDNESDAY
CLEAR. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER
80S.
IDZ410-141030-
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
209 PM MDT WED AUG 13 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING FOR
GUSTY WINDS, LOW HUMIDITY, AND ISOLATED THUNDERSTORMS...
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR. ISOLATED SHOWERS AND
THUNDERSTORMS AFTER MIDNIGHT.
* CHC OF THUNDER.....15 PERCENT.
* MIN TEMPERATURE....53-60.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......42-50 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND
30 MPH DECREASING TO 6 TO 9 MPH WITH GUSTS TO
AROUND 15 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 20 MPH DECREASING TO AROUND 10 MPH
AFTER MIDNIGHT.
THURSDAY
* SKY/WEATHER........MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....85-92.
24 HR TREND......4 DEGREES DOWN.
* MIN HUMIDITY.......12-17 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........SOUTHWEST WINDS 12 TO 17 MPH. GUSTS UP TO 15
MPH INCREASING TO 30 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......14250-15250 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....51-58.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......41-49 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........SOUTHWEST WINDS 12 TO 17 MPH WITH GUSTS TO
AROUND 25 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 20 MPH DECREASING TO AROUND 10 MPH
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....84-91.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......11-16 PERCENT.
24 HR TREND......2 PERCENT DOWN.
* 20FT WINDS.........SOUTHEAST WINDS 4 TO 7 MPH WITH GUSTS TO
AROUND 15 MPH SHIFTING TO THE SOUTHWEST 12 TO
17 MPH WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......14500-15500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS 52 TO
59. HIGHS 82 TO 89. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 50 TO 57. HIGHS 81 TO 88. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
CLEAR. LOWS 50 TO 56. HIGHS 83 TO 90. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S.
WEDNESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S.
IDZ411-141030-
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
209 PM MDT WED AUG 13 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW HUMIDITY, AND ISOLATED THUNDERSTORMS...
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....50-57.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......58-66 PERCENT VALLEYS AND 42-50 PERCENT
RIDGES.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 8 TO 13 MPH SHIFTING TO THE EAST
4 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 10 TO 15 MPH. GUSTS UP TO 25 MPH
DECREASING TO 15 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......100-1100 FT AGL.
* TRANSPORT WINDS....WEST 10 TO 15 MPH.
THURSDAY
* SKY/WEATHER........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....AROUND 86 VALLEYS AND 75-82 RIDGES.
24 HR TREND......2 DEGREES DOWN.
* MIN HUMIDITY.......16-24 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 9 TO 14 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 9 TO 14 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......13750-14750 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO WEST
AROUND 25 MPH IN THE AFTERNOON.
THURSDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS
THROUGH THE NIGHT.
* CHC OF THUNDER.....10 PERCENT.
* MIN TEMPERATURE....49-56.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......55-63 PERCENT VALLEYS AND 39-47 PERCENT
RIDGES.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 6 TO 11 MPH SHIFTING TO THE
SOUTHEAST 4 TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 13 MPH SHIFTING TO THE
SOUTH 6 TO 9 MPH AFTER MIDNIGHT. GUSTS UP
TO 20 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......100-1100 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FRIDAY
* SKY/WEATHER........MOSTLY SUNNY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....10 PERCENT.
* MAX TEMPERATURE....AROUND 85 VALLEYS AND 74-81 RIDGES.
24 HR TREND......2 DEGREES DOWN.
* MIN HUMIDITY.......14-22 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHEAST 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST 4 TO 6 MPH WITH GUSTS TO AROUND
15 MPH SHIFTING TO THE SOUTHWEST 10 TO 15
MPH WITH GUSTS TO AROUND 25 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......13500-14500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO AROUND
25 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 50 TO 57. HIGHS 73 TO 80. SOUTH WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 47 TO 54. HIGHS 72 TO 79. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
MONDAY
CLEAR. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS
47 TO 54. HIGHS 75 TO 82. SOUTH WINDS 10 TO 15 MPH WITH GUSTS TO
AROUND 25 MPH.
TUESDAY
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 80S.
WEDNESDAY
CLEAR. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER
80S.
IDZ413-141030-
CARIBOU RANGE/CARIBOU NF-
209 PM MDT WED AUG 13 2025
...RED FLAG WARNING IN EFFECT UNTIL 10 PM MDT THIS EVENING
FOR GUSTY WINDS, LOW HUMIDITY, AND ISOLATED THUNDERSTORMS...
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....56-63.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......41-49 PERCENT.
24 HR TREND......7 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 10 TO 15 MPH SHIFTING TO THE SOUTH 4
TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 11 TO 16 MPH. GUSTS UP TO 25 MPH
DECREASING TO 15 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
THURSDAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20-25 PERCENT.
* MAX TEMPERATURE....86-93 VALLEYS AND 78-85 RIDGES.
24 HR TREND......4 DEGREES DOWN.
* MIN HUMIDITY.......13-19 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 5 TO 8 MPH SHIFTING TO THE WEST 7 TO
12 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 8 TO 13 MPH WITH GUSTS TO AROUND
20 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......14000-15000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
THURSDAY NIGHT
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
* CHC OF THUNDER.....20-25 PERCENT.
* MIN TEMPERATURE....53-60.
24 HR TREND......3 DEGREES DOWN.
* MAX HUMIDITY.......50-58 PERCENT VALLEYS AND 46-54 PERCENT
RIDGES.
24 HR TREND......8 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 6 TO 11 MPH SHIFTING TO THE EAST 4 TO
7 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 7 TO 12 MPH SHIFTING TO THE SOUTHEAST
5 TO 8 MPH AFTER MIDNIGHT. GUSTS UP TO 20
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......0-1000 FT AGL.
* TRANSPORT WINDS....WEST AROUND 15 MPH SHIFTING TO THE SOUTHEAST
AFTER MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....30 PERCENT.
* MAX TEMPERATURE....84-91 VALLEYS AND 77-84 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......14-20 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHEAST 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 6 TO 11 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHEAST 4 TO 7 MPH SHIFTING TO THE
SOUTHWEST 7 TO 12 MPH IN THE AFTERNOON.
GUSTS UP TO 20 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......14250-15250 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 15 MPH
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 53 TO 60. HIGHS 78 TO 85. SOUTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 20 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 51 TO 58. HIGHS 79 TO 86. SOUTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
CLEAR. LOWS 50 TO 57. HIGHS 81 TO 88. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE MID 80S.
WEDNESDAY
CLEAR. LOWS IN THE MID 50S. HIGHS IN THE UPPER 80S.
.OUTLOOK FOR AUGUST 21ST-27TH: ABOVE AVERAGE TEMPERATURES
AND NEAR AVERAGE PRECIPITATION.
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