Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
228
FNUS55 KPIH 040744
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
144 AM MDT Sun Oct 4 2026
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
High pressure will remain in control much of this week.
Temperatures will continue to run above climatological norms
through late week with Min RH running 15 to 25 percent. Winds will
generally remain light outside of occasional breezy afternoon wind
gusts. A shortwave feature will work through Monday bringing with
it isolated convection and very slight chances of precipitation.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
High pressure will remain in control much of this week.
Temperatures will continue to run above climatological norms
through late week with Min RH running 15 to 25 percent. Winds will
generally remain light outside of occasional breezy afternoon wind
gusts. A shortwave feature will work through Monday bringing with
it isolated convection and very slight chances of precipitation.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
High pressure will remain in control much of this week.
Temperatures will continue to run above climatological norms
through late week with Min RH running 15 to 25 percent. Winds will
generally remain light outside of occasional breezy afternoon wind
gusts. A shortwave feature will work through Monday bringing with
it isolated convection and very slight chances of precipitation.
IDZ475-042215-
East Salmon River Mountains/Salmon NF-
144 AM MDT Sun Oct 4 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....71-78 valleys and 63-70 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......17-25 percent.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest 4 to 6 mph.
Ridges/upr slopes....Southwest 4 to 7 mph. Gusts up to 15 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......6500-7500 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.TONIGHT...
* Sky/weather........Partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....44-50.
24 hr trend......4 degrees up.
* Max Humidity.......38-46 percent.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest 4 to 8 mph.
Ridges/upr slopes....Southwest 5 to 10 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Southwest around 10 mph.
.MONDAY...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....71-78 valleys and 63-70 ridges.
24 hr trend......Little change.
* Min Humidity.......19-26 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 9 mph.
Ridges/upr slopes....West 4 to 9 mph with gusts to around 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9500-10500 ft AGL.
* Transport Winds....West 10 to 15 mph.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 42 to 48. Highs 66 to 73. West winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Clear. Lows 41 to 48. Highs 65 to 72. West winds
5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Clear. Lows 40 to 47. Highs 64 to 71. West winds up
to 5 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
60s.
.SATURDAY...Cooler. Partly cloudy with chance of rain. Lows in
the lower 40s. Highs in the lower 50s.
$$
IDZ476-042215-
Lemhi and Lost River Range/Challis NF-
144 AM MDT Sun Oct 4 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....73-80 valleys and 63-70 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......14-22 percent.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest 4 to 6 mph.
Ridges/upr slopes....Southwest 4 to 7 mph. Gusts up to 15 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......7000-8000 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Clear then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....43-50.
24 hr trend......4 degrees up.
* Max Humidity.......36-44 percent.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 7 mph.
Ridges/upr slopes....Southwest 4 to 8 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....Southwest around 10 mph.
.MONDAY...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
Slight chance of rain in the afternoon.
* Chc of thunder.....0 percent.
* Max Temperature....74-81 valleys and 64-71 ridges.
24 hr trend......Little change.
* Min Humidity.......16-24 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 5 to 10 mph.
Ridges/upr slopes....West 5 to 10 mph with gusts to around 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......10500-11500 ft AGL.
* Transport Winds....Light winds becoming west around 15 mph in the
afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 42 to 49. Highs 66 to 73. West winds 10 to
15 mph.
.WEDNESDAY...Clear. Lows 41 to 48. Highs 64 to 71. West winds
10 to 15 mph.
.THURSDAY...Clear. Lows 40 to 47. Highs 63 to 70. West winds
10 to 15 mph.
.FRIDAY...Clear. Lows in the lower 40s. Highs in the mid 60s.
.SATURDAY...Partly cloudy with slight chance of rain. Lows in the
lower 40s. Highs in the upper 50s.
$$
IDZ422-042215-
Sawtooth Range/Northern Sawtooth NF-
144 AM MDT Sun Oct 4 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....75-82 valleys and 64-71 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......13-18 percent valleys and 16-22 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 7 mph shifting to the south 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...0 percent.
* Mixing Height......6750-7750 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Mostly clear then becoming mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....46-53.
24 hr trend......5 degrees up.
* Max Humidity.......32-40 percent.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 6 mph shifting to the north
after midnight.
Ridges/upr slopes....Southwest 4 to 7 mph. Gusts up to 15 mph
after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Light winds.
.MONDAY...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....75-82 valleys and 64-71 ridges.
24 hr trend......Little change.
* Min Humidity.......14-20 percent valleys and 18-26 percent
ridges.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 9 mph.
Ridges/upr slopes....West 4 to 9 mph. Gusts up to 15 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......9250-10250 ft AGL.
* Transport Winds....Light winds becoming west around 15 mph in the
afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 42 to 49. Highs 68 to 75. West winds 5 to
10 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 41 to 48. Highs 67 to 74. Northwest
winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Clear. Lows 41 to 48. Highs 66 to 73. Northwest winds
5 to 10 mph with gusts to around 20 mph.
.FRIDAY...Clear. Lows in the lower 40s. Highs in the upper 60s.
.SATURDAY...Cooler. Partly cloudy with slight chance of rain.
Lows in the lower 40s. Highs in the upper 50s.
$$
IDZ425-042215-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
144 AM MDT Sun Oct 4 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 86.
24 hr trend......6 degrees up.
* Min Humidity.......14-22 percent.
24 hr trend......Little change.
* 20ft winds.........East winds 4 to 9 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....East around 10 mph shifting to the south in
the afternoon.
.TONIGHT...
* Sky/weather........Mostly clear then becoming mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....Around 53.
24 hr trend......4 degrees up.
* Max Humidity.......43-51 percent.
24 hr trend......Little change.
* 20ft winds.........East winds 4 to 6 mph. Gusts up to 15 mph in
the evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Light winds.
.MONDAY...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....Around 86.
24 hr trend......Little change.
* Min Humidity.......15-23 percent.
24 hr trend......Little change.
* 20ft winds.........East winds 4 to 6 mph shifting to the
southwest 4 to 7 mph with gusts to around 20
mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......9500-10500 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows around 50. Highs in the lower 80s. West
winds 5 to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows in the upper 40s. Highs in the lower
80s. West winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Clear. Lows in the upper 40s. Highs in the lower 80s.
West winds 5 to 10 mph with gusts to around 20 mph.
.FRIDAY...Clear. Lows in the upper 40s. Highs in the lower 80s.
.SATURDAY...Not as warm. Partly cloudy with slight chance of
rain. Lows in the upper 40s. Highs around 70.
$$
IDZ427-042215-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
144 AM MDT Sun Oct 4 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....80-87.
24 hr trend......6 degrees up.
* Min Humidity.......14-22 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 8 mph.
Ridges/upr slopes....South 4 to 8 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9500-10500 ft AGL.
* Transport Winds....South around 10 mph.
.TONIGHT...
* Sky/weather........Mostly clear then becoming mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....53-60.
24 hr trend......4 degrees up.
* Max Humidity.......40-48 percent valleys and 32-40 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...South 6 to 11 mph.
Ridges/upr slopes....South 6 to 11 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....South around 10 mph.
.MONDAY...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....78-85.
24 hr trend......2 degrees down.
* Min Humidity.......14-22 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 7 mph shifting to the northwest
in the afternoon.
Ridges/upr slopes....South 5 to 8 mph shifting to the west 4 to
7 mph in the afternoon. Gusts up to 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......11750-12750 ft AGL.
* Transport Winds....Southwest around 10 mph.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 51 to 58. Highs 75 to 82. West winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Clear. Lows 49 to 56. Highs 75 to 82. West winds
5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Clear. Lows 48 to 55. Highs 73 to 80. West winds 5 to
10 mph with gusts to around 20 mph.
.FRIDAY...Clear. Lows around 50. Highs in the upper 70s.
.SATURDAY...Partly cloudy with slight chance of rain. Lows around
50. Highs in the upper 60s.
$$
IDZ410-042215-
Upper Snake River Valley/Idaho Falls BLM-
144 AM MDT Sun Oct 4 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....75-82.
24 hr trend......4 degrees up.
* Min Humidity.......15-23 percent.
24 hr trend......2 percent down.
* 20ft winds.........Northeast winds 4 to 7 mph shifting to the
southwest 4 to 6 mph in the afternoon. Gusts
up to 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......6250-7250 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Clear then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....44-51.
24 hr trend......3 degrees up.
* Max Humidity.......51-59 percent.
24 hr trend......Little change.
* 20ft winds.........South winds 4 to 6 mph shifting to the east
after midnight. Gusts up to 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....Light winds.
.MONDAY...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....76-83.
24 hr trend......2 degrees up.
* Min Humidity.......16-24 percent.
24 hr trend......2 percent up.
* 20ft winds.........Northeast winds 4 to 6 mph shifting to the
southwest 4 to 7 mph in the afternoon. Gusts
up to 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......10750-11750 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 44 to 51. Highs 74 to 81. Southwest winds
10 to 15 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 43 to 50. Highs 73 to 80. Southwest
winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Clear. Lows 42 to 48. Highs 71 to 78. Southwest winds
5 to 10 mph with gusts to around 20 mph.
.FRIDAY...Clear. Lows in the mid 40s. Highs in the mid 70s.
.SATURDAY...Partly cloudy with slight chance of rain. Lows in the
mid 40s. Highs in the upper 60s.
$$
IDZ411-042215-
Centennial Mountains and Snake River Range/Targhee NF-
144 AM MDT Sun Oct 4 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 76 valleys and 66-73 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......18-23 percent valleys and 19-27 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 6 mph shifting to the southwest
4 to 5 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the
southwest 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 southwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....42-49.
24 hr trend......3 degrees up.
* Max Humidity.......57-65 percent valleys and 47-55 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southeast around 4 mph shifting to the
east 4 to 5 mph after midnight.
Ridges/upr slopes....South 4 to 6 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-700 ft AGL.
* Transport Winds....Light winds becoming south around 10 mph after
midnight.
.MONDAY...
* Sky/weather........Partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....Around 77 valleys and 67-74 ridges.
24 hr trend......Little change.
* Min Humidity.......21-29 percent.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...East around 4 mph shifting to the
southwest 4 to 5 mph in the afternoon.
Ridges/upr slopes....South 4 to 5 mph shifting to the southwest
4 to 7 mph in the afternoon. Gusts up to
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......8500-9500 ft AGL.
* Transport Winds....Light winds becoming west around 15 mph in the
afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 42 to 49. Highs 65 to 72. Southwest winds
5 to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 40 to 47. Highs 64 to 71. Southwest
winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Clear. Lows 40 to 47. Highs 62 to 69. Southwest winds
5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Clear. Lows in the lower 40s. Highs in the mid 60s.
.SATURDAY...Partly cloudy with slight chance of showers. Lows in
the lower 40s. Highs in the upper 50s.
$$
IDZ413-042215-
Caribou Range/Caribou NF-
144 AM MDT Sun Oct 4 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....77-84 valleys and 70-77 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......18-26 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 5 mph shifting to the southwest
4 to 7 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the
southwest in the afternoon. Gusts up to 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......7000-8000 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Clear then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....46-53.
24 hr trend......3 degrees up.
* Max Humidity.......47-55 percent.
24 hr trend......4 percent up.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 8 mph.
Ridges/upr slopes....South 4 to 8 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-700 ft AGL.
* Transport Winds....South around 10 mph.
.MONDAY...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....76-83 valleys and 69-76 ridges.
24 hr trend......Little change.
* Min Humidity.......19-27 percent valleys and 23-31 percent
ridges.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 6 mph shifting to the
southwest in the afternoon.
Ridges/upr slopes....South 4 to 7 mph shifting to the southwest
in the afternoon. Gusts up to 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9500-10500 ft AGL.
* Transport Winds....South around 10 mph shifting to the west in
the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 46 to 53. Highs 73 to 80. Southwest winds
10 to 15 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 44 to 51. Highs 72 to 79. West winds
5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Clear. Lows 43 to 50. Highs 70 to 77. Southwest winds
5 to 10 mph with gusts to around 20 mph.
.FRIDAY...Clear. Lows in the mid 40s. Highs in the lower 70s.
.SATURDAY...Partly cloudy with slight chance of rain. Lows in the
upper 40s. Highs in the upper 60s.
$$
.OUTLOOK FOR SUNDAY OCTOBER 11 THROUGH SATURDAY OCTOBER 17...
Above normal temperatures and near normal precipitation.
$$