Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
486
FNUS55 KPIH 290801
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
201 AM MDT Tue Sep 29 2026
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
High pressure will build in from the west beginning today and remain
in control of the pattern through the first part of next week. This
will mean dry conditions and gradual warming. Temperatures will run
near climatological normal over the next couple of days before
warming several degrees above normal on Thursday and close to ten
degrees above normal by Friday.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
High pressure will build in from the west beginning today and remain
in control of the pattern through the first part of next week. This
will mean dry conditions and gradual warming. Temperatures will run
near climatological normal over the next couple of days before
warming several degrees above normal on Thursday and close to ten
degrees above normal by Friday.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
High pressure will build in from the west beginning today and remain
in control of the pattern through the first part of next week. This
will mean dry conditions and gradual warming. Temperatures will run
near climatological normal over the next couple of days before
warming several degrees above normal on Thursday and close to ten
degrees above normal by Friday.
IDZ475-292230-
East Salmon River Mountains/Salmon NF-
201 AM MDT Tue Sep 29 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....62-69 valleys and 53-60 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......30-38 percent.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 7 mph.
Ridges/upr slopes....West 4 to 7 mph. Gusts up to 15 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......5250-6250 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....37-44 valleys and around 36 ridges.
24 hr trend......4 degrees up.
* Max Humidity.......74-82 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 7 mph.
Ridges/upr slopes....West 4 to 7 mph. Gusts up to 15 mph in the
evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.WEDNESDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....61-68 valleys and 53-60 ridges.
24 hr trend......Little change.
* Min Humidity.......38-46 percent.
24 hr trend......6 percent up.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming northwest 4 to 6 mph
in the afternoon.
Ridges/upr slopes....West 4 to 7 mph. Gusts up to 15 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......6000-7000 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 35 to 42. Highs 60 to 67. West
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Lows 39 to 46. Highs 61 to 68. Southwest
winds 5 to 10 mph with gusts to around 20 mph.
.SATURDAY...Mostly clear. Lows 38 to 45. Highs 62 to 69.
Southwest winds 5 to 10 mph with gusts to around 15 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
.MONDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper
60s.
$$
IDZ476-292230-
Lemhi and Lost River Range/Challis NF-
201 AM MDT Tue Sep 29 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....63-70 valleys and 53-60 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......27-35 percent valleys and 31-39 percent
ridges.
24 hr trend......7 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 7 mph.
Ridges/upr slopes....West 4 to 7 mph. Gusts up to 15 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......4750-5750 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....35-42.
24 hr trend......3 degrees up.
* Max Humidity.......73-81 percent valleys and 67-75 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 7 mph.
Ridges/upr slopes....Northwest 4 to 7 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Light winds.
.WEDNESDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....63-70 valleys and 54-61 ridges.
24 hr trend......Little change.
* Min Humidity.......31-39 percent valleys and 35-43 percent
ridges.
24 hr trend......4 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 8 mph.
Ridges/upr slopes....Northwest 4 to 8 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......6000-7000 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.THURSDAY...Clear. Lows 36 to 43. Highs 60 to 67. West winds 5 to
10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Lows 39 to 46. Highs 61 to 68. Southwest
winds 5 to 10 mph with gusts to around 20 mph.
.SATURDAY...Mostly clear. Lows 38 to 45. Highs 61 to 68. West
winds 5 to 10 mph with gusts to around 20 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
.MONDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper
60s.
$$
IDZ422-292230-
Sawtooth Range/Northern Sawtooth NF-
201 AM MDT Tue Sep 29 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....65-72 valleys and 54-61 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......23-31 percent valleys and 29-37 percent
ridges.
24 hr trend......6 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 6 mph shifting to the
southwest 6 to 9 mph in the afternoon.
Ridges/upr slopes....Northwest 4 to 7 mph. Gusts up to 15 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......4750-5750 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....36-43.
24 hr trend......3 degrees up.
* Max Humidity.......66-74 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 8 mph.
Ridges/upr slopes....Northwest 4 to 8 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.WEDNESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....67-74 valleys and 55-62 ridges.
24 hr trend......Little change.
* Min Humidity.......27-35 percent valleys and 33-41 percent
ridges.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 6 mph shifting to the
southwest 5 to 10 mph in the afternoon.
Ridges/upr slopes....Northwest 4 to 8 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.THURSDAY...Clear. Lows 36 to 43. Highs 62 to 69. West winds
10 to 15 mph with gusts to around 25 mph.
.FRIDAY...Mostly clear. Lows 39 to 46. Highs 63 to 70. West winds
10 to 15 mph with gusts to around 20 mph.
.SATURDAY...Mostly clear. Lows 38 to 45. Highs 63 to 70. West
winds 10 to 15 mph with gusts to around 25 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
60s.
.MONDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper
60s.
$$
IDZ425-292230-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
201 AM MDT Tue Sep 29 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 73.
24 hr trend......3 degrees up.
* Min Humidity.......23-31 percent.
24 hr trend......8 percent down.
* 20ft winds.........West winds 6 to 11 mph with gusts to around 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......4750-5750 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....40-46.
24 hr trend......2 degrees up.
* Max Humidity.......64-72 percent.
24 hr trend......5 percent down.
* 20ft winds.........Southwest winds 6 to 11 mph with gusts to
around 20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....West around 10 mph.
.WEDNESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 75.
24 hr trend......2 degrees up.
* Min Humidity.......30-38 percent.
24 hr trend......7 percent up.
* 20ft winds.........Southwest winds 7 to 12 mph with gusts to
around 20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....West 10 to 15 mph.
.Forecast days 3 through 7......
.THURSDAY...Clear. Lows 41 to 47. Highs in the mid 70s. Southwest
winds 10 to 15 mph with gusts to around 25 mph.
.FRIDAY...Mostly clear. Lows in the upper 40s. Highs around 80.
Southwest winds 5 to 10 mph with gusts to around 20 mph.
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s. Northwest winds 10 to 15 mph with gusts to around
25 mph.
.SUNDAY...Mostly clear. Lows in the upper 40s. Highs around 80.
.MONDAY...Partly cloudy. Lows around 50. Highs in the lower 80s.
$$
IDZ427-292230-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
201 AM MDT Tue Sep 29 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....68-73 valleys and 61-68 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......21-29 percent.
24 hr trend......12 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 7 to 12 mph.
Ridges/upr slopes....Northwest 7 to 12 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......4500-5500 ft AGL.
* Transport Winds....Northwest 10 to 15 mph.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....42-49.
24 hr trend......3 degrees up.
* Max Humidity.......53-61 percent valleys and 48-56 percent
ridges.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 6 to 11 mph shifting to the southwest
6 to 9 mph after midnight.
Ridges/upr slopes....Northwest 6 to 11 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....West around 10 mph.
.WEDNESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....70-75 valleys and 63-70 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......31-39 percent.
24 hr trend......10 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 9 to 14 mph.
Ridges/upr slopes....Northwest 10 to 15 mph with gusts to
around 25 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......4500-5500 ft AGL.
* Transport Winds....Northwest around 15 mph.
.Forecast days 3 through 7......
.THURSDAY...Clear. Lows 41 to 48. Highs 69 to 76. West winds
10 to 15 mph with gusts to around 25 mph.
.FRIDAY...Mostly clear. Lows 45 to 52. Highs 74 to 81. Southwest
winds 5 to 10 mph with gusts to around 20 mph.
.SATURDAY...Mostly clear. Lows 46 to 53. Highs 72 to 79. West
winds 5 to 10 mph with gusts to around 20 mph.
.SUNDAY...Mostly clear. Lows around 50. Highs in the upper 70s.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s.
$$
IDZ410-292230-
Upper Snake River Valley/Idaho Falls BLM-
201 AM MDT Tue Sep 29 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....65-72.
24 hr trend......2 degrees up.
* Min Humidity.......26-34 percent.
24 hr trend......10 percent down.
* 20ft winds.........Southwest winds 4 to 7 mph. Gusts up to 15 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......4750-5750 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....37-44.
24 hr trend......Little change.
* Max Humidity.......67-75 percent.
24 hr trend......12 percent down.
* 20ft winds.........Southwest winds 4 to 7 mph with gusts to
around 15 mph shifting to the southeast 4 to 6
mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Southwest around 10 mph in the evening
becoming light.
.WEDNESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....67-74.
24 hr trend......2 degrees up.
* Min Humidity.......27-35 percent.
24 hr trend......Little change.
* 20ft winds.........Northeast winds 4 to 5 mph shifting to the
southwest 4 to 7 mph with gusts to around 15
mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......5750-6750 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.THURSDAY...Clear. Lows 39 to 45. Highs 67 to 74. Southwest winds
5 to 10 mph with gusts to around 20 mph.
.FRIDAY...Mostly clear. Lows 41 to 46. Highs 70 to 77. Southwest
winds 10 to 15 mph with gusts to around 20 mph.
.SATURDAY...Mostly clear. Lows 42 to 47. Highs 68 to 75.
Northwest winds 10 to 15 mph with gusts to around 20 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s.
.MONDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid
70s.
$$
IDZ411-292230-
Centennial Mountains and Snake River Range/Targhee NF-
201 AM MDT Tue Sep 29 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 65 valleys and 56-63 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......33-39 percent valleys and 36-44 percent
ridges.
24 hr trend......16 percent down.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming west 4 to 5 mph in
the afternoon.
Ridges/upr slopes....North around 4 mph shifting to the west 4
to 6 mph with gusts to around 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......3750-4750 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....35-42.
24 hr trend......Little change.
* Max Humidity.......82-90 percent valleys and 68-76 percent
ridges.
24 hr trend......13 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest around 4 mph in the evening
becoming light.
Ridges/upr slopes....Northwest 4 to 6 mph in the evening
becoming light.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Light winds.
.WEDNESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 68 valleys and 58-65 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......31-38 percent valleys and 35-43 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming west 4 to 5 mph in
the afternoon.
Ridges/upr slopes....North around 4 mph shifting to the west 4
to 6 mph with gusts to around 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.THURSDAY...Clear. Lows 35 to 42. Highs 57 to 64. South winds
5 to 10 mph with gusts to around 20 mph.
.FRIDAY...Mostly clear. Lows 37 to 44. Highs 60 to 67. South
winds 10 to 15 mph with gusts to around 25 mph.
.SATURDAY...Mostly clear. Lows 38 to 45. Highs 60 to 67.
Southwest winds 5 to 10 mph with gusts to around 15 mph.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
.MONDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid
60s.
$$
IDZ413-292230-
Caribou Range/Caribou NF-
201 AM MDT Tue Sep 29 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....65-72 valleys and 57-64 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......26-34 percent valleys and 32-40 percent
ridges.
24 hr trend......17 percent down.
* 20ft winds.........
Valleys/lwr slopes...North 5 to 10 mph.
Ridges/upr slopes....North 5 to 10 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....37-44.
24 hr trend......Little change.
* Max Humidity.......59-67 percent.
24 hr trend......15 percent down.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 9 mph.
Ridges/upr slopes....North 4 to 9 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....North around 10 mph.
.WEDNESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....67-74 valleys and 60-67 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......27-35 percent valleys and 32-40 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northwest 6 to 11 mph.
Ridges/upr slopes....Northwest 6 to 11 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5000-6000 ft AGL.
* Transport Winds....North 10 to 15 mph.
.Forecast days 3 through 7......
.THURSDAY...Clear. Lows 38 to 45. Highs 66 to 73. West winds
10 to 15 mph with gusts to around 25 mph.
.FRIDAY...Mostly clear. Lows 41 to 48. Highs 69 to 76. South
winds 10 to 15 mph with gusts to around 20 mph.
.SATURDAY...Clear. Lows 42 to 49. Highs 68 to 75. Southwest winds
5 to 10 mph with gusts to around 15 mph.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
.MONDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s.
$$
.OUTLOOK for October 6 to 12: ABOVE NORMAL temperatures and BELOW
NORMAL precipitation.
$$