057
FNUS55 KPIH 240734
FWFPIH
FIRE WEATHER PLANNING FORECAST FOR SOUTHEAST IDAHO
NATIONAL WEATHER SERVICE POCATELLO ID
134 AM MDT SUN MAY 24 2026
DISCUSSION
* CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 475
AND 476)...
A FEW SHOWERS/SPRINKLES AND THUNDERSTORMS ARE POSSIBLE TODAY OVER ZONE 476.
ANOTHER ROUND IS EXPECTED TOMORROW, BUT WILL ENCOMPASS ALL OF THE CENTRAL
MOUNTAINS. GUSTS OVER 35 MPH ARE POSSIBLE WITH SHOWERS AND STORMS BOTH
DAYS, WITH HIGHEST TODAY AROUND 45 MPH AND OVER 50 MPH MONDAY. ALTHOUGH IT
APPEARS LOW PRESSURE HOLDS TO THE WEST UNTIL THE END OF THE WEEK, SHOWER
AND THUNDERSTORM CHANCES WILL SEE A SUBSTANTIAL JUMP STARTING TUESDAY.
* EAST IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES 410...411
AND 413)...
SHOWERS/SPRINKLES AND THUNDERSTORMS ARE POSSIBLE TODAY, WITH HIGHER CHANCES SOUTH
OF THE SNAKE RIVER. THE POTENTIAL DROPS OFF RAPIDLY MONDAY, ALTHOUGH WE ARE STILL
LOOKING FOR A FEW SHOWERS AND STORMS AROUND. GUSTS OVER 35 MPH ARE POSSIBLE WITH
SHOWERS AND STORMS BOTH DAYS, WITH HIGHEST TODAY AROUND 45 MPH AND OVER 50 MPH MONDAY.
ALTHOUGH IT APPEARS LOW PRESSURE HOLDS TO THE WEST UNTIL THE END OF THE WEEK, SHOWER
AND THUNDERSTORM CHANCES WILL SEE A SUBSTANTIAL JUMP STARTING TUESDAY.
* SOUTH CENTRAL IDAHO DISPATCH AREA WEATHER IMPACT SUMMARY (ZONES
422...425 AND 427)...
SHOWERS/SPRINKLES AND THUNDERSTORMS ARE POSSIBLE TODAY, MAINLY ACROSS HIGHER
ELEVATIONS (422 AND 427), ALTHOUGH WE MAY SEE ISOLATED DEVELOPMENT ACROSS THE
MAGIC VALLEY THIS EVENING. THE POTENTIAL DROPS OFF RAPIDLY MONDAY EXCEPT FOR 422,
ALTHOUGH WE ARE STILL LOOKING FOR A FEW SHOWERS AND STORMS ELSEWHERE. GUSTS OVER 35 MPH
ARE POSSIBLE WITH SHOWERS AND STORMS BOTH DAYS, WITH HIGHEST TODAY AROUND 45 MPH AND
OVER 50 MPH MONDAY. ALTHOUGH IT APPEARS LOW PRESSURE HOLDS TO THE WEST UNTIL THE END
OF THE WEEK, SHOWER AND THUNDERSTORM CHANCES WILL SEE A SUBSTANTIAL JUMP STARTING TUESDAY.
IDZ475-242230-
EAST SALMON RIVER MOUNTAINS/SALMON NF-
134 AM MDT SUN MAY 24 2026
TODAY
* SKY/WEATHER........MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....69-76 VALLEYS AND 60-67 RIDGES.
24 HR TREND......4 DEGREES UP.
* MIN HUMIDITY.......14-20 PERCENT.
24 HR TREND......3 PERCENT DOWN.
* 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......10750-11750 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO WEST
AROUND 20 MPH IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....40-47.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......41-49 PERCENT.
24 HR TREND......7 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 7 TO 12 MPH SHIFTING TO THE SOUTH 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...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....WEST AROUND 15 MPH IN THE EVENING BECOMING
LIGHT.
MEMORIAL DAY
* SKY/WEATHER........MOSTLY SUNNY THEN BECOMING PARTLY CLOUDY.
CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....72-79 VALLEYS AND 63-70 RIDGES.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY.......20-27 PERCENT.
24 HR TREND......7 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 9 TO 14 MPH.
RIDGES/UPR SLOPES....SOUTH 10 TO 15 MPH WITH GUSTS TO AROUND 25
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12500-13500 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO SOUTHWEST
AROUND 20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
COOLER. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 43 TO 50. HIGHS 58 TO 65. SOUTH WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 35 MPH.
WEDNESDAY
SHOWERS AND CHANCE OF THUNDERSTORMS. LOWS 37 TO 44.
HIGHS 56 TO 63. NORTH WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
THURSDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 38 TO 45. HIGHS 63 TO 70. NORTHEAST WINDS
10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS AROUND 60.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS AROUND 60.
IDZ476-242230-
LEMHI AND LOST RIVER RANGE/CHALLIS NF-
134 AM MDT SUN MAY 24 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....71-78 VALLEYS AND 59-66 RIDGES.
24 HR TREND......4 DEGREES UP.
* MIN HUMIDITY.......15-23 PERCENT VALLEYS AND 23-31 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 WITH GUSTS TO
AROUND 25 MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......11250-12250 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO WEST
AROUND 20 MPH IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR. ISOLATED SHOWERS AND THUNDERSTORMS IN
THE EVENING.
* CHC OF THUNDER.....15 PERCENT.
* MIN TEMPERATURE....39-46.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......41-49 PERCENT.
24 HR TREND......4 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 8 TO 13 MPH SHIFTING TO THE SOUTH 4
TO 5 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...0 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH IN THE EVENING BECOMING
LIGHT.
MEMORIAL DAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....73-80 VALLEYS AND 61-68 RIDGES.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......19-27 PERCENT VALLEYS AND 26-34 PERCENT
RIDGES.
24 HR TREND......4 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 11 TO 16 MPH.
RIDGES/UPR SLOPES....SOUTH 12 TO 17 MPH. GUSTS UP TO 20 MPH
INCREASING TO 30 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......11500-12500 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
WINDY. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 43 TO 50. HIGHS 61 TO 68. SOUTH WINDS 20 TO
30 MPH WITH GUSTS TO AROUND 45 MPH.
WEDNESDAY
BREEZY. SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 37 TO 44. HIGHS 57 TO 64. NORTHEAST WINDS
15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.
THURSDAY
WINDY. PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 37 TO 44. HIGHS 62 TO 69. NORTHEAST
WINDS 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS AROUND 60.
SATURDAY
MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS AROUND 40. HIGHS AROUND 60.
IDZ422-242230-
SAWTOOTH RANGE/NORTHERN SAWTOOTH NF-
134 AM MDT SUN MAY 24 2026
TODAY
* SKY/WEATHER........MOSTLY SUNNY. ISOLATED SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON.
* CHC OF THUNDER.....15 PERCENT.
* MAX TEMPERATURE....72-79 VALLEYS AND 58-65 RIDGES.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY.......16-24 PERCENT VALLEYS AND 24-32 PERCENT
RIDGES.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 11 TO 16 MPH.
RIDGES/UPR SLOPES....WEST 11 TO 16 MPH WITH GUSTS TO AROUND 25
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......10250-11250 FT AGL.
* TRANSPORT WINDS....WEST AROUND 10 MPH INCREASING TO AROUND 20 MPH
IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLEAR.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....40-47.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......44-52 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 11 TO 16 MPH SHIFTING TO THE NORTH 4
TO 6 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....WEST 8 TO 13 MPH WITH GUSTS TO AROUND 20
MPH SHIFTING TO THE SOUTH 4 TO 7 MPH AFTER
MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......200-1200 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH.
MEMORIAL DAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....74-81 VALLEYS AND 60-67 RIDGES.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY.......20-28 PERCENT VALLEYS AND 31-39 PERCENT
RIDGES.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 9 TO 14 MPH.
RIDGES/UPR SLOPES....SOUTH 10 TO 15 MPH WITH GUSTS TO AROUND 30
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......11000-12000 FT AGL.
* TRANSPORT WINDS....SOUTHEAST AROUND 10 MPH INCREASING TO SOUTH
AROUND 20 MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
COOLER, BREEZY. PARTLY CLOUDY. SLIGHT CHANCE OF
SHOWERS. LOWS 42 TO 49. HIGHS 58 TO 65. SOUTH WINDS 15 TO 25 MPH
WITH GUSTS TO AROUND 35 MPH.
WEDNESDAY
SHOWERS LIKELY, SLIGHT CHANCE OF THUNDERSTORMS AND
SNOW SHOWERS. LOWS 36 TO 43. HIGHS 56 TO 63. EAST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 35 MPH.
THURSDAY
BREEZY. PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 36 TO 43. HIGHS 61 TO 68. EAST
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS AROUND 40. HIGHS IN THE UPPER 50S.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S.
IDZ425-242230-
MIDDLE SNAKE RIVER VALLEY/TWIN FALLS BLM NORTH OF THE SNAKE RIVER-
134 AM MDT SUN MAY 24 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 84.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......16-24 PERCENT.
24 HR TREND......2 PERCENT UP.
* 20FT WINDS.........SOUTHWEST WINDS 11 TO 16 MPH. GUSTS UP TO 15
MPH INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......11000-12000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO WEST
AROUND 20 MPH IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MIN TEMPERATURE....46-53.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......55-63 PERCENT.
24 HR TREND......8 PERCENT UP.
* 20FT WINDS.........SOUTHWEST WINDS 11 TO 16 MPH WITH GUSTS TO
AROUND 25 MPH SHIFTING TO THE NORTHEAST 4 TO 5
MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......100-1100 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 15 MPH IN THE EVENING
BECOMING LIGHT.
MEMORIAL DAY
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 86.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY.......17-25 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH SHIFTING TO THE
SOUTHWEST 8 TO 13 MPH WITH GUSTS TO AROUND 25
MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12750-13750 FT AGL.
* TRANSPORT WINDS....EAST AROUND 10 MPH SHIFTING TO THE SOUTH IN
THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
NOT AS WARM. PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN
THE MID 70S. SOUTH WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
30 MPH.
WEDNESDAY
BREEZY. PARTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN
THE LOWER 40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 15 TO
25 MPH WITH GUSTS TO AROUND 35 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 70S. SOUTHEAST WINDS 10 TO 15 MPH
WITH GUSTS TO AROUND 25 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.
SATURDAY
PARTLY CLOUDY WITH SLIGHT CHANCE OF RAIN. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 70S.
IDZ427-242230-
GOOSE CREEK AND RAFT RIVER VALLEY/SOUTHERN SAWTOOTH NF/TWIN FALLS
BLM SOUTH OF THE SNAKE RIVER-
134 AM MDT SUN MAY 24 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY. SCATTERED RAIN SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....30 PERCENT.
* MAX TEMPERATURE....78-84 VALLEYS AND 69-76 RIDGES.
24 HR TREND......LITTLE CHANGE.
* MIN HUMIDITY.......22-30 PERCENT.
24 HR TREND......5 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...WEST 6 TO 11 MPH.
RIDGES/UPR SLOPES....WEST 6 TO 11 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......11000-12000 FT AGL.
* TRANSPORT WINDS....SOUTHWEST 10 TO 15 MPH.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
ISOLATED SHOWERS AND THUNDERSTORMS IN THE
EVENING.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....49-56.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......49-57 PERCENT.
24 HR TREND......8 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 5 TO 10 MPH.
RIDGES/UPR SLOPES....SOUTH 5 TO 10 MPH. GUSTS UP TO 20 MPH IN
THE EVENING.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......100-1100 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.
MEMORIAL DAY
* SKY/WEATHER........PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....10 PERCENT.
* MAX TEMPERATURE....81-87 VALLEYS AND 73-80 RIDGES.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY.......17-25 PERCENT.
24 HR TREND......4 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 9 TO 14 MPH.
RIDGES/UPR SLOPES....SOUTH 9 TO 14 MPH WITH GUSTS TO AROUND 25
MPH.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12750-13750 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH INCREASING TO AROUND 20
MPH IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. LOWS 50 TO 57. HIGHS 69 TO 76. SOUTH
WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
WINDY. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 37 TO 44. HIGHS 60 TO 67. NORTHWEST WINDS
20 TO 35 MPH WITH GUSTS TO AROUND 45 MPH.
THURSDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS 38 TO 45. HIGHS 66 TO 73. SOUTHEAST WINDS
10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
FRIDAY
PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE MID 60S.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S.
IDZ410-242230-
UPPER SNAKE RIVER VALLEY/IDAHO FALLS BLM-
134 AM MDT SUN MAY 24 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....75-82.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......20-28 PERCENT.
24 HR TREND......2 PERCENT UP.
* 20FT WINDS.........SOUTHWEST WINDS 11 TO 16 MPH. GUSTS UP TO 15
MPH INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......11500-12500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO WEST
AROUND 20 MPH IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....42-48.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......59-67 PERCENT.
24 HR TREND......11 PERCENT UP.
* 20FT WINDS.........SOUTHWEST WINDS 11 TO 16 MPH WITH GUSTS TO
AROUND 25 MPH SHIFTING TO THE EAST 7 TO 10 MPH
WITH GUSTS TO AROUND 15 MPH AFTER MIDNIGHT.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......300-1300 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
MEMORIAL DAY
* SKY/WEATHER........PARTLY CLOUDY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....77-84.
24 HR TREND......2 DEGREES UP.
* MIN HUMIDITY.......18-26 PERCENT.
24 HR TREND......LITTLE CHANGE.
* 20FT WINDS.........EAST WINDS 4 TO 6 MPH WITH GUSTS TO AROUND 15
MPH SHIFTING TO THE SOUTH 8 TO 13 MPH WITH
GUSTS TO AROUND 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12250-13250 FT AGL.
* TRANSPORT WINDS....SOUTHEAST AROUND 10 MPH SHIFTING TO THE SOUTH
IN THE AFTERNOON.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
BREEZY. PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 45 TO 52. HIGHS 72 TO 79. SOUTH WINDS 15 TO
25 MPH WITH GUSTS TO AROUND 40 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS 40 TO 45. HIGHS 66 TO 73. EAST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 30 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 40 TO 45. HIGHS 71 TO 78. EAST WINDS 10 TO
20 MPH WITH GUSTS TO AROUND 35 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 60S.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE
UPPER 60S.
IDZ411-242230-
CENTENNIAL MOUNTAINS AND SNAKE RIVER RANGE/TARGHEE NF-
134 AM MDT SUN MAY 24 2026
TODAY
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....20 PERCENT.
* MAX TEMPERATURE....AROUND 75 VALLEYS AND 64-71 RIDGES.
24 HR TREND......5 DEGREES UP.
* MIN HUMIDITY.......25-33 PERCENT VALLEYS AND 30-38 PERCENT
RIDGES.
24 HR TREND......3 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 6 TO 11 MPH.
RIDGES/UPR SLOPES....SOUTHWEST 6 TO 11 MPH WITH GUSTS TO AROUND
20 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......9500-10500 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH INCREASING TO WEST
AROUND 20 MPH IN THE AFTERNOON.
TONIGHT
* SKY/WEATHER........PARTLY CLOUDY. ISOLATED SHOWERS AND
THUNDERSTORMS IN THE EVENING.
* CHC OF THUNDER.....20 PERCENT.
* MIN TEMPERATURE....39-46.
24 HR TREND......2 DEGREES UP.
* MAX HUMIDITY.......72-80 PERCENT VALLEYS AND 60-68 PERCENT
RIDGES.
24 HR TREND......9 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 7 MPH SHIFTING TO THE EAST 4 TO
5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTH 6 TO 9 MPH SHIFTING TO THE SOUTHEAST
4 TO 7 MPH AFTER MIDNIGHT. GUSTS UP TO 20
MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH.
MEMORIAL DAY
* SKY/WEATHER........PARTLY CLOUDY. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....AROUND 79 VALLEYS AND 68-75 RIDGES.
24 HR TREND......4 DEGREES UP.
* MIN HUMIDITY.......21-27 PERCENT VALLEYS AND 24-32 PERCENT
RIDGES.
24 HR TREND......3 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 8 TO 13 MPH.
RIDGES/UPR SLOPES....SOUTH 8 TO 13 MPH. GUSTS UP TO 15 MPH
INCREASING TO 25 MPH IN THE AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......10000-11000 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
BREEZY. PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 42 TO 49. HIGHS 64 TO 71. SOUTHEAST WINDS
15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.
WEDNESDAY
MOSTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS 39 TO 46. HIGHS 60 TO 67. EAST WINDS 10 TO 20 MPH WITH GUSTS
TO AROUND 30 MPH.
THURSDAY
BREEZY. PARTLY CLOUDY. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS 38 TO 44. HIGHS 64 TO 71. EAST
WINDS 15 TO 25 MPH WITH GUSTS TO AROUND 35 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS IN THE LOWER 40S. HIGHS AROUND 60.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S.
IDZ413-242230-
CARIBOU RANGE/CARIBOU NF-
134 AM MDT SUN MAY 24 2026
TODAY
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SCATTERED SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
* CHC OF THUNDER.....30 PERCENT.
* MAX TEMPERATURE....73-80 VALLEYS AND 65-72 RIDGES.
24 HR TREND......3 DEGREES UP.
* MIN HUMIDITY.......24-32 PERCENT VALLEYS AND 30-38 PERCENT
RIDGES.
24 HR TREND......6 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 4 TO 7 MPH SHIFTING TO THE SOUTHWEST
5 TO 10 MPH IN THE AFTERNOON.
RIDGES/UPR SLOPES....SOUTHWEST 6 TO 11 MPH WITH GUSTS TO AROUND
20 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......11000-12000 FT AGL.
* TRANSPORT WINDS....SOUTH AROUND 10 MPH SHIFTING TO THE WEST IN
THE AFTERNOON.
TONIGHT
* SKY/WEATHER........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SCATTERED SHOWERS AND THUNDERSTORMS IN THE
EVENING.
* CHC OF THUNDER.....30 PERCENT.
* MIN TEMPERATURE....44-51.
24 HR TREND......LITTLE CHANGE.
* MAX HUMIDITY.......62-70 PERCENT.
24 HR TREND......12 PERCENT UP.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTHWEST 6 TO 9 MPH SHIFTING TO THE
SOUTHEAST 4 TO 5 MPH AFTER MIDNIGHT.
RIDGES/UPR SLOPES....SOUTHWEST 7 TO 10 MPH SHIFTING TO THE
SOUTHEAST 4 TO 7 MPH AFTER MIDNIGHT. GUSTS
UP TO 20 MPH.
* CHC WETTING RAIN...10 PERCENT.
* MIXING HEIGHT......400-1400 FT AGL.
* TRANSPORT WINDS....SOUTHWEST AROUND 10 MPH SHIFTING TO THE
SOUTHEAST AFTER MIDNIGHT.
MEMORIAL DAY
* SKY/WEATHER........PARTLY CLOUDY THEN BECOMING MOSTLY SUNNY.
* CHC OF THUNDER.....0 PERCENT.
* MAX TEMPERATURE....77-84 VALLEYS AND 69-76 RIDGES.
24 HR TREND......4 DEGREES UP.
* MIN HUMIDITY.......18-26 PERCENT.
24 HR TREND......9 PERCENT DOWN.
* 20FT WINDS.........
VALLEYS/LWR SLOPES...SOUTH 6 TO 11 MPH.
RIDGES/UPR SLOPES....SOUTHEAST 4 TO 6 MPH WITH GUSTS TO AROUND
15 MPH SHIFTING TO THE SOUTHWEST 5 TO 10
MPH WITH GUSTS TO AROUND 20 MPH IN THE
AFTERNOON.
* CHC WETTING RAIN...0 PERCENT.
* MIXING HEIGHT......12500-13500 FT AGL.
* TRANSPORT WINDS....SOUTH 10 TO 15 MPH.
FORECAST DAYS 3 THROUGH 7...
TUESDAY
PARTLY CLOUDY. LOWS 46 TO 53. HIGHS 70 TO 77.
SOUTHEAST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.
WEDNESDAY
BREEZY. PARTLY CLOUDY. CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS 40 TO 47. HIGHS 64 TO 71. SOUTHEAST WINDS
15 TO 25 MPH WITH GUSTS TO AROUND 40 MPH.
THURSDAY
PARTLY CLOUDY. SLIGHT CHANCE OF RAIN. LOWS 39 TO 46.
HIGHS 68 TO 75. EAST WINDS 10 TO 20 MPH WITH GUSTS TO AROUND
35 MPH.
FRIDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 60S.
SATURDAY
PARTLY CLOUDY WITH CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE LOWER 40S. HIGHS IN THE MID
60S.
.OUTLOOK FOR MAY 31ST-JUNE 6TH: ABOVE AVERAGE TEMPERATURES
AND NEAR AVERAGE PRECIPITATION.
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