668
FNUS55 KPIH 130724
FWFPIH
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
124 AM MDT THU AUG 13 2026
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TODAY FOR
SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410, 411, 413,
422, 425, 427, 475, AND 476...
DISCUSSION
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475
AND 476)...
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TODAY FOR
SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 475 AND 476...
SCATTERED THUNDERSTORMS ARE EXPECTED TODAY. GUSTY OUTFLOW WINDS
AND A FEW HEAVY DOWNPOURS ARE POSSIBLE NEAR STORMS. ISOLATED TO
SCATTERED THUNDERSTORMS ARE POSSIBLE THROUGH SATURDAY AS A SLOW
MOVING LOW PRESSURE SYSTEM WORKS THROUGH THE REGION.
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411
AND 413)...
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TODAY FOR
SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 410, 411, AND
413...
SCATTERED THUNDERSTORMS ARE EXPECTED TODAY. GUSTY OUTFLOW WINDS
AND A FEW HEAVY DOWNPOURS ARE POSSIBLE NEAR STORMS. ISOLATED TO
SCATTERED THUNDERSTORMS ARE POSSIBLE THROUGH SATURDAY AS A SLOW
MOVING LOW PRESSURE SYSTEM WORKS THROUGH THE REGION.
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES
422...425 AND 427)...
...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TODAY FOR
SCATTERED THUNDERSTORMS FOR FIRE WEATHER ZONES 422, 425, AND
427...
SCATTERED THUNDERSTORMS ARE EXPECTED TODAY. GUSTY OUTFLOW WINDS
AND A FEW HEAVY DOWNPOURS ARE POSSIBLE NEAR STORMS. ISOLATED TO
SCATTERED THUNDERSTORMS ARE POSSIBLE THROUGH SATURDAY AS A SLOW
MOVING LOW PRESSURE SYSTEM WORKS THROUGH THE REGION.
IDZ475-132215-
EAST SALMON RIVER MOUNTAINS/SALMON NF-
124 AM MDT THU AUG 13 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
TODAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
PATCHY SMOKE THROUGH THE DAY. SLIGHT CHANCE OF
RAIN SHOWERS IN THE MORNING. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....72-79 VALLEYS AND 63-69 RIDGES.
24 HR TREND......5 DEGREES DOWN.
* MIN HUMIDITY.......30-38 PERCENT.
24 HR TREND......7 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHEAST AROUND 4 MPH SHIFTING TO THE
WEST 4 TO 6 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 7 MPH. GUSTS UP TO 15 MPH
IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......9000-10000 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
PATCHY SMOKE THROUGH THE NIGHT. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING. CHANCE OF RAIN AFTER MIDNIGHT.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....47-54.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......78-86 PERCENT VALLEYS AND 74-82 PERCENT
RIDGES.
24 HR TREND......23 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...EAST 4 TO 6 MPH IN THE EVENING BECOMING
LIGHT.
RIDGES/UPR SLOPES....SOUTH 4 TO 6 MPH. GUSTS UP TO 15 MPH IN
THE EVENING.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
FRIDAY
* SKY/WEATHER........CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....65-72 VALLEYS AND 56-62 RIDGES.
24 HR TREND......7 DEGREES DOWN.
* MIN HUMIDITY.......54-62 PERCENT VALLEYS AND 59-67 PERCENT
RIDGES.
24 HR TREND......26 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 6 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 6 MPH. GUSTS UP TO 15 MPH
IN THE AFTERNOON.
* CHC WETTING RAIN...70 PERCENT.
* MIXING HEIGHT......5750-6750 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF THUNDERSTORMS AND SLIGHT
CHANCE OF SHOWERS. LOWS 44 TO 51. HIGHS 64 TO 71. SOUTH WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 44 TO 51. HIGHS 67 TO 74. SOUTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 15 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 47 TO 54. HIGHS 68 TO 75. SOUTHWEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
IDZ476-132215-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
124 AM MDT THU AUG 13 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. PATCHY SMOKE THROUGH THE DAY.
SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....71-78 VALLEYS AND 60-67 RIDGES.
24 HR TREND......6 DEGREES DOWN.
* MIN HUMIDITY.......31-39 PERCENT VALLEYS AND 37-45 PERCENT
RIDGES.
24 HR TREND......10 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 9 MPH.
RIDGES/UPR SLOPES....SOUTH 4 TO 9 MPH WITH GUSTS TO AROUND 15
MPH.
* CHC WETTING RAIN...20 PERCENT.
* MIXING HEIGHT......9000-10000 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN CHANCE OF
RAIN AFTER MIDNIGHT.
* CHC OF THUNDER.....50 PERCENT.
* MIN TEMPERATURE....46-53.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......81-89 PERCENT.
24 HR TREND......28 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 6 MPH.
RIDGES/UPR SLOPES....SOUTH 4 TO 6 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
FRIDAY
* SKY/WEATHER........CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....66-73 VALLEYS AND 55-62 RIDGES.
24 HR TREND......6 DEGREES DOWN.
* MIN HUMIDITY.......49-57 PERCENT VALLEYS AND 60-68 PERCENT
RIDGES.
24 HR TREND......22 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 6 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 7 MPH. GUSTS UP TO 15 MPH
IN THE AFTERNOON.
* CHC WETTING RAIN...70 PERCENT.
* MIXING HEIGHT......5000-6000 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 43 TO 50. HIGHS 62 TO 69. SOUTH WINDS 5 TO 10 MPH WITH GUSTS
TO AROUND 15 MPH.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 43 TO 50. HIGHS 65 TO 72. SOUTHWEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 46 TO 53. HIGHS 67 TO 74. SOUTHWEST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 50. HIGHS AROUND 70.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S.
IDZ422-132215-
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-
124 AM MDT THU AUG 13 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS
IN THE MORNING. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....70-77 VALLEYS AND 61-68 RIDGES.
24 HR TREND......8 DEGREES DOWN.
* MIN HUMIDITY.......34-42 PERCENT.
24 HR TREND......12 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 9 MPH.
RIDGES/UPR SLOPES....SOUTH 4 TO 9 MPH WITH GUSTS TO AROUND 15
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......8750-9750 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....44-51.
24 HR TREND......4 DEGREES DOWN.
* MAX HUMIDITY.......83-91 PERCENT.
24 HR TREND......37 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHEAST 4 TO 6 MPH IN THE EVENING
BECOMING LIGHT.
RIDGES/UPR SLOPES....SOUTH 4 TO 6 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING. CHANCE OF RAIN SHOWERS THROUGH
THE DAY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....68-75 VALLEYS AND 55-62 RIDGES.
24 HR TREND......3 DEGREES DOWN.
* MIN HUMIDITY.......43-51 PERCENT VALLEYS AND 56-64 PERCENT
RIDGES.
24 HR TREND......14 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...EAST 4 TO 5 MPH SHIFTING TO THE SOUTHWEST
4 TO 7 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH 4 TO 6 MPH. GUSTS UP TO 15 MPH IN
THE AFTERNOON.
* CHC WETTING RAIN...40 PERCENT.
* MIXING HEIGHT......6750-7750 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 43 TO 50. HIGHS 65 TO 72. SOUTHEAST WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 15 MPH.
SUNDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 44 TO 51. HIGHS 69 TO 76. SOUTH WINDS 5 TO
10 MPH WITH GUSTS TO AROUND 15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 46 TO 53. HIGHS 70 TO 77. WEST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
MOSTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF RAIN AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
IDZ425-132215-
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-
124 AM MDT THU AUG 13 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
TODAY
* SKY/WEATHER........CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS IN THE
MORNING. CHANCE OF RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....25 PERCENT.
* MAX TEMPERATURE....AROUND 77.
24 HR TREND......12 DEGREES DOWN.
* MIN HUMIDITY.......47-55 PERCENT.
24 HR TREND......17 PERCENT UP.
* 20FT WINDS.........SOUTH WINDS 6 TO 11 MPH WITH GUSTS TO AROUND
20 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......4750-5750 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....50-56.
24 HR TREND......7 DEGREES DOWN.
* MAX HUMIDITY.......89-97 PERCENT.
24 HR TREND......32 PERCENT UP.
* 20FT WINDS.........EAST WINDS 4 TO 7 MPH. GUSTS UP TO 15 MPH IN
THE EVENING.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....EAST AROUND 10 MPH.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING.
SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE DAY.
SLIGHT CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....AROUND 79.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......42-50 PERCENT.
24 HR TREND......5 PERCENT DOWN.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 4 TO 9 MPH WITH GUSTS TO AROUND 20
MPH IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......7750-8750 FT AGL.
* TRANSPORT WINDS....EAST AROUND 10 MPH SHIFTING TO THE SOUTHWEST
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 50 TO 56. HIGHS IN THE LOWER 80S. EAST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 50 TO 55. HIGHS IN THE MID 80S. EAST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE UPPER
80S. EAST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.
TUESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE MID 80S.
WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S. HIGHS IN THE MID
80S.
IDZ427-132215-
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS
BLM SOUTH OF THE SNAKE RIVER-
124 AM MDT THU AUG 13 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
TODAY
* SKY/WEATHER........CLOUDY. PATCHY SMOKE IN THE MORNING. CHANCE OF
RAIN SHOWERS THROUGH THE DAY. CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....25 PERCENT.
* MAX TEMPERATURE....AROUND 75 VALLEYS AND 66-73 RIDGES.
24 HR TREND......10 DEGREES DOWN.
* MIN HUMIDITY.......48-56 PERCENT.
24 HR TREND......17 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 9 MPH.
RIDGES/UPR SLOPES....SOUTH 5 TO 10 MPH SHIFTING TO THE WEST 4
TO 9 MPH IN THE AFTERNOON. GUSTS UP TO 15
MPH.
* CHC WETTING RAIN...40 PERCENT.
* MIXING HEIGHT......5250-6250 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING. SLIGHT CHANCE OF RAIN SHOWERS
THROUGH THE NIGHT.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....50-57.
24 HR TREND......6 DEGREES DOWN.
* MAX HUMIDITY.......82-90 PERCENT VALLEYS AND 78-86 PERCENT
RIDGES.
24 HR TREND......21 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTH 4 TO 9 MPH WITH GUSTS TO AROUND 15
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING. CHANCE OF RAIN SHOWERS THROUGH
THE DAY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....40 PERCENT.
* MAX TEMPERATURE....71-78.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......45-53 PERCENT.
24 HR TREND......5 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 4 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 8 MPH WITH GUSTS TO AROUND
15 MPH.
* CHC WETTING RAIN...30 PERCENT.
* MIXING HEIGHT......7000-8000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 50 TO 57. HIGHS 74 TO 81. SOUTH WINDS 10 TO
15 MPH WITH GUSTS TO AROUND 25 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 51 TO 58. HIGHS 77 TO 84. SOUTH
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
PARTLY CLOUDY. LOWS 54 TO 61. HIGHS 78 TO 85. SOUTH
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 80S.
WEDNESDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS AROUND 80.
IDZ410-132215-
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
124 AM MDT THU AUG 13 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
TODAY
* SKY/WEATHER........CLOUDY. CHANCE OF RAIN SHOWERS THROUGH THE
DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....72-79.
24 HR TREND......8 DEGREES DOWN.
* MIN HUMIDITY.......47-55 PERCENT.
24 HR TREND......15 PERCENT UP.
* 20FT WINDS.........SOUTHEAST WINDS 4 TO 7 MPH SHIFTING TO THE
SOUTHWEST 7 TO 12 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
* CHC WETTING RAIN...20 PERCENT.
* MIXING HEIGHT......4750-5750 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.
SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....46-52.
24 HR TREND......5 DEGREES DOWN.
* MAX HUMIDITY.......89-97 PERCENT.
24 HR TREND......26 PERCENT UP.
* 20FT WINDS.........EAST WINDS 4 TO 7 MPH. GUSTS UP TO 15 MPH IN
THE EVENING.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING. CHANCE OF RAIN SHOWERS THROUGH
THE DAY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....70-77.
24 HR TREND......3 DEGREES DOWN.
* MIN HUMIDITY.......48-56 PERCENT.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........SOUTHEAST WINDS 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 4 TO 9 MPH IN THE AFTERNOON. GUSTS
UP TO 20 MPH.
* CHC WETTING RAIN...40 PERCENT.
* MIXING HEIGHT......6750-7750 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 44 TO 51. HIGHS 72 TO 79. SOUTHEAST WINDS 5 TO 10 MPH WITH
GUSTS TO AROUND 20 MPH.
SUNDAY
MOSTLY CLEAR. SLIGHT CHANCE OF SHOWERS. LOWS 44 TO 51.
HIGHS 75 TO 82. EAST WINDS 5 TO 10 MPH WITH GUSTS TO AROUND
15 MPH.
MONDAY
PARTLY CLOUDY. LOWS 47 TO 54. HIGHS 78 TO 85. SOUTHEAST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 15 MPH.
TUESDAY
MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS AROUND 80.
WEDNESDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.
IDZ411-132215-
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
124 AM MDT THU AUG 13 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. PATCHY SMOKE IN THE MORNING.
SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING,
THEN RAIN SHOWERS AND CHANCE OF THUNDERSTORMS
IN THE AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....AROUND 76 VALLEYS AND 65-72 RIDGES.
24 HR TREND......6 DEGREES DOWN.
* MIN HUMIDITY.......50-58 PERCENT.
24 HR TREND......13 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTH 4 TO 8 MPH. GUSTS UP TO 15 MPH IN
THE AFTERNOON.
* CHC WETTING RAIN...60 PERCENT.
* MIXING HEIGHT......4250-5250 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 10 MPH
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....45-52.
24 HR TREND......2 DEGREES DOWN.
* MAX HUMIDITY.......94-100 PERCENT VALLEYS AND 89-97 PERCENT
RIDGES.
24 HR TREND......18 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...LIGHT WINDS.
RIDGES/UPR SLOPES....SOUTHEAST 4 TO 5 MPH WITH GUSTS TO AROUND
15 MPH IN THE EVENING BECOMING LIGHT.
* CHC WETTING RAIN...20 PERCENT.
* MIXING HEIGHT......400-900 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,
THEN RAIN SHOWERS LIKELY AND CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....AROUND 70 VALLEYS AND 60-67 RIDGES.
24 HR TREND......5 DEGREES DOWN.
* MIN HUMIDITY.......58-66 PERCENT VALLEYS AND 65-73 PERCENT
RIDGES.
24 HR TREND......17 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 7 MPH.
RIDGES/UPR SLOPES....SOUTH 4 TO 7 MPH WITH GUSTS TO AROUND 15
MPH.
* CHC WETTING RAIN...60 PERCENT.
* MIXING HEIGHT......4250-5250 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTHWEST AROUND 15 MPH
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 42 TO 49. HIGHS 63 TO 70. SOUTH WINDS 5 TO 10 MPH WITH GUSTS
TO AROUND 15 MPH.
SUNDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 42 TO 49. HIGHS 67 TO 74. SOUTHEAST WINDS
5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
PARTLY CLOUDY. LOWS 45 TO 52. HIGHS 68 TO 75. SOUTH
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 40S. HIGHS AROUND 70.
IDZ413-132215-
CARIBOU RANGE/CARIBOU NF-
124 AM MDT THU AUG 13 2026
...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS
EVENING FOR SCATTERED THUNDERSTORMS AND GUSTY OUTFLOW WINDS...
TODAY
* SKY/WEATHER........CLOUDY. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN
RAIN SHOWERS AND CHANCE OF THUNDERSTORMS IN
THE AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....68-75.
24 HR TREND......7 DEGREES DOWN.
* MIN HUMIDITY.......61-69 PERCENT.
24 HR TREND......18 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 5 TO 8 MPH SHIFTING TO THE NORTHWEST
IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTH 4 TO 7 MPH SHIFTING TO THE WEST IN
THE AFTERNOON. GUSTS UP TO 15 MPH.
* CHC WETTING RAIN...80 PERCENT.
* MIXING HEIGHT......3500-4500 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH SHIFTING TO THE NORTHWEST
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING, THEN SLIGHT
CHANCE OF RAIN SHOWERS AFTER MIDNIGHT.
* CHC OF THUNDER.....50 PERCENT.
* MIN TEMPERATURE....47-54.
24 HR TREND......5 DEGREES DOWN.
* MAX HUMIDITY.......85-93 PERCENT.
24 HR TREND......16 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 6 MPH.
RIDGES/UPR SLOPES....SOUTH 4 TO 6 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....LIGHT WINDS BECOMING SOUTH AROUND 10 MPH AFTER
MIDNIGHT.
FRIDAY
* SKY/WEATHER........MOSTLY CLOUDY. SLIGHT CHANCE OF THUNDERSTORMS
IN THE MORNING. CHANCE OF RAIN SHOWERS THROUGH
THE DAY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....50 PERCENT.
* MAX TEMPERATURE....71-78 VALLEYS AND 63-70 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......52-60 PERCENT.
24 HR TREND......7 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 8 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 4 TO 8 MPH WITH GUSTS TO AROUND
20 MPH.
* CHC WETTING RAIN...30 PERCENT.
* MIXING HEIGHT......8000-9000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
FORECAST DAYS 3 THROUGH 7...
SATURDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 46 TO 53. HIGHS 71 TO 78. SOUTH WINDS 10 TO 15 MPH WITH
GUSTS TO AROUND 20 MPH.
SUNDAY
MOSTLY CLEAR. LOWS 46 TO 53. HIGHS 75 TO 82. SOUTHEAST
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
MONDAY
PARTLY CLOUDY. LOWS 48 TO 55. HIGHS 76 TO 83. SOUTH
WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 20 MPH.
TUESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.
WEDNESDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 70S.
.OUTLOOK FOR AUGUST 20 TO 26: ABOVE NORMAL TEMPERATURES AND
PRECIPITATION.
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