Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
362
FNUS55 KPIH 280805
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
205 AM MDT Mon Sep 28 2026
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
Slight chance of showers and isolated thunder today. Weak ridging
will support dry conditions, warming temperatures, and light winds
Tuesday through early next week.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
Showers and isolated thunder through this evening. Weak ridging
will support dry conditions, warming temperatures, and light winds
Tuesday through early next week.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
Slight chance of showers and isolated thunder today. Weak ridging
will support dry conditions, warming temperatures, and light winds
Tuesday through early next week.
IDZ475-282230-
East Salmon River Mountains/Salmon NF-
205 AM MDT Mon Sep 28 2026
.Today...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....58-65 valleys and 50-56 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......36-44 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming northwest 4 to 6 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......6500-7500 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....35-41 valleys and around 34 ridges.
24 hr trend......3 degrees down.
* Max Humidity.......66-74 percent valleys and 71-79 percent
ridges.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 6 mph shifting to the west
around 4 mph after midnight.
Ridges/upr slopes....North 4 to 7 mph with gusts to around 15
mph shifting to the west 4 to 5 mph after
midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....61-68 valleys and 53-60 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......29-37 percent.
24 hr trend......8 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......5500-6500 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 37 to 44. Highs 58 to 65. West
winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Clear. Lows 36 to 43. Highs 61 to 68. West winds 5 to
10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Lows 40 to 47. Highs 61 to 68. Southwest
winds 5 to 10 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the
lower 60s.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
$$
IDZ476-282230-
Lemhi and Lost River Range/Challis NF-
205 AM MDT Mon Sep 28 2026
.Today...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
Chance of rain in the afternoon.
* Chc of thunder.....0 percent.
* Max Temperature....59-66 valleys and 49-56 ridges.
24 hr trend......Little change.
* Min Humidity.......35-43 percent valleys and 44-52 percent
ridges.
24 hr trend......5 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 northwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....33-40.
24 hr trend......3 degrees down.
* Max Humidity.......70-78 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 6 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.
.TUESDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....63-70 valleys and 53-60 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......25-33 percent valleys and 30-38 percent
ridges.
24 hr trend......12 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 7 mph.
Ridges/upr slopes....West 4 to 8 mph. Gusts up to 15 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......5000-6000 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 37 to 44. Highs 58 to 65. West winds
10 to 15 mph with gusts to around 20 mph.
.THURSDAY...Clear. Lows 36 to 43. Highs 60 to 67. Northwest winds
5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Lows 38 to 45. Highs 61 to 68. Southwest
winds 5 to 10 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the
lower 60s.
.SUNDAY...Mostly clear. Lows around 40. Highs in the lower 60s.
$$
IDZ422-282230-
Sawtooth Range/Northern Sawtooth NF-
205 AM MDT Mon Sep 28 2026
.Today...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
Slight chance of rain in the afternoon.
* Chc of thunder.....0 percent.
* Max Temperature....61-68 valleys and 50-57 ridges.
24 hr trend......Little change.
* Min Humidity.......32-40 percent valleys and 41-49 percent
ridges.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 7 mph.
Ridges/upr slopes....West 4 to 7 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......6250-7250 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....34-41.
24 hr trend......4 degrees down.
* Max Humidity.......68-76 percent.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 7 mph.
Ridges/upr slopes....North 4 to 7 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....North around 10 mph in the evening becoming
light.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....64-71 valleys and 54-61 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......23-31 percent valleys and 28-36 percent
ridges.
24 hr trend......10 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....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.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 37 to 44. Highs 61 to 68. Northwest
winds 10 to 15 mph with gusts to around 20 mph.
.THURSDAY...Clear. Lows 36 to 43. Highs 61 to 68. Northwest winds
10 to 15 mph with gusts to around 25 mph.
.FRIDAY...Mostly clear. Lows 38 to 45. Highs 63 to 70. Southwest
winds 5 to 10 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the
mid 60s.
.SUNDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
$$
IDZ425-282230-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
205 AM MDT Mon Sep 28 2026
.Today...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 70.
24 hr trend......6 degrees down.
* Min Humidity.......35-43 percent.
24 hr trend......9 percent up.
* 20ft winds.........Southwest winds 4 to 9 mph with gusts to
around 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....Northwest around 10 mph.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....40-45.
24 hr trend......4 degrees down.
* Max Humidity.......71-79 percent.
24 hr trend......6 percent up.
* 20ft winds.........West winds 5 to 10 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....West around 10 mph.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 72.
24 hr trend......Little change.
* Min Humidity.......23-31 percent.
24 hr trend......10 percent down.
* 20ft winds.........Southwest winds 6 to 11 mph with gusts to
around 20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......4500-5500 ft AGL.
* Transport Winds....West 10 to 15 mph.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 41 to 48. Highs in the mid 70s. West
winds 10 to 20 mph with gusts to around 25 mph.
.THURSDAY...Clear. Lows in the lower 40s. Highs in the mid 70s.
Southwest winds 10 to 15 mph with gusts to around 25 mph.
.FRIDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
70s. East winds 5 to 10 mph with gusts to around 15 mph.
.SATURDAY...Partly cloudy. Lows in the upper 40s. Highs in the
mid 70s.
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s.
$$
IDZ427-282230-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
205 AM MDT Mon Sep 28 2026
.Today...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....64-70 valleys and 57-64 ridges.
24 hr trend......9 degrees down.
* Min Humidity.......38-46 percent.
24 hr trend......13 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 7 to 12 mph.
Ridges/upr slopes....Northwest 7 to 12 mph. Gusts up to 15 mph
increasing to 25 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......5250-6250 ft AGL.
* Transport Winds....Northwest around 10 mph.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....39-46.
24 hr trend......4 degrees down.
* Max Humidity.......60-68 percent valleys and 52-60 percent
ridges.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 6 to 11 mph shifting to the southwest
7 to 10 mph after midnight.
Ridges/upr slopes....Northwest 7 to 12 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....West 10 to 15 mph.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....66-71 valleys and 59-66 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......21-29 percent.
24 hr trend......16 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 8 to 13 mph.
Ridges/upr slopes....Northwest 8 to 13 mph with gusts to around
25 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......4500-5500 ft AGL.
* Transport Winds....Northwest 10 to 15 mph.
.Forecast days 3 through 7......
.WEDNESDAY...Breezy, clear. Lows 42 to 49. Highs 64 to 71. West
winds 15 to 25 mph with gusts to around 30 mph.
.THURSDAY...Clear. Lows 40 to 47. Highs 69 to 76. West winds
10 to 15 mph with gusts to around 25 mph.
.FRIDAY...Clear. Lows 44 to 51. Highs 72 to 79. South winds 10 to
15 mph with gusts to around 25 mph.
.SATURDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s.
.SUNDAY...Clear. Lows in the mid 40s. Highs in the lower 70s.
$$
IDZ410-282230-
Upper Snake River Valley/Idaho Falls BLM-
205 AM MDT Mon Sep 28 2026
.Today...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
Slight chance of rain in the morning. Chance
of rain showers and slight chance of
thunderstorms in the afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....63-70.
24 hr trend......5 degrees down.
* Min Humidity.......42-50 percent.
24 hr trend......12 percent up.
* 20ft winds.........East winds 4 to 6 mph shifting to the
southwest with gusts to around 15 mph in the
afternoon.
* Chc Wetting Rain...10 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....East around 10 mph in the morning becoming
light.
.TONIGHT...
* Sky/weather........Partly cloudy then becoming clear.
* Chc of thunder.....0 percent.
* Min Temperature....37-43.
24 hr trend......6 degrees down.
* Max Humidity.......80-88 percent.
24 hr trend......5 percent up.
* 20ft winds.........North winds 4 to 6 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....North around 10 mph in the evening becoming
light.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....64-71.
24 hr trend......Little change.
* Min Humidity.......29-37 percent.
24 hr trend......11 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 becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 38 to 44. Highs 66 to 73. Southwest
winds 10 to 15 mph with gusts to around 20 mph.
.THURSDAY...Clear. Lows 38 to 44. Highs 66 to 73. Southwest winds
10 to 15 mph with gusts to around 20 mph.
.FRIDAY...Mostly clear. Lows 40 to 45. Highs 68 to 75. Southeast
winds 10 to 15 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Lows in the mid 40s. Highs around 70.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs around 70.
$$
IDZ411-282230-
Centennial Mountains and Snake River Range/Targhee NF-
205 AM MDT Mon Sep 28 2026
.Today...
* 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....Around 63 valleys and 53-60 ridges.
24 hr trend......6 degrees down.
* Min Humidity.......58-66 percent.
24 hr trend......18 percent up.
* 20ft winds.........
Valleys/lwr slopes...East around 4 mph shifting to the
southwest in the afternoon.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the
southwest in the afternoon.
* Chc Wetting Rain...10 percent.
* Mixing Height......3750-4750 ft AGL.
* Transport Winds....Southeast around 10 mph shifting to the
southwest in the afternoon.
.TONIGHT...
* Sky/weather........Partly cloudy. Slight chance of showers and
thunderstorms in the evening.
* Chc of thunder.....20 percent.
* Min Temperature....34-41.
24 hr trend......6 degrees down.
* Max Humidity.......90-98 percent valleys and 82-90 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph.
Ridges/upr slopes....North 4 to 6 mph with gusts to around 15
mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 65 valleys and 56-63 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......36-44 percent.
24 hr trend......21 percent down.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming west 4 to 5 mph in
the afternoon.
Ridges/upr slopes....Northwest 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......4250-5250 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 34 to 41. Highs 57 to 64. Southwest
winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Clear. Lows 35 to 42. Highs 57 to 64. North winds
5 to 10 mph with gusts to around 20 mph.
.FRIDAY...Mostly clear. Lows 37 to 44. Highs 59 to 66. South
winds 5 to 10 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Lows in the lower 40s. Highs in the
lower 60s.
.SUNDAY...Mostly clear. Lows in the upper 30s. Highs in the lower
60s.
$$
IDZ413-282230-
Caribou Range/Caribou NF-
205 AM MDT Mon Sep 28 2026
.Today...
* Sky/weather........Mostly cloudy. Chance of rain in the morning,
then chance of rain showers and slight chance
of thunderstorms in the afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....62-69 valleys and 54-61 ridges.
24 hr trend......7 degrees down.
* Min Humidity.......48-56 percent valleys and 58-66 percent
ridges.
24 hr trend......19 percent up.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 6 mph shifting to the southwest
in the afternoon.
Ridges/upr slopes....South 4 to 7 mph with gusts to around 15
mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......5250-6250 ft AGL.
* Transport Winds....South around 10 mph.
.TONIGHT...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
Chance of rain showers and slight chance of
thunderstorms in the evening.
* Chc of thunder.....20 percent.
* Min Temperature....38-45.
24 hr trend......7 degrees down.
* Max Humidity.......76-84 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 6 mph.
Ridges/upr slopes....North 4 to 6 mph. Gusts up to 15 mph in
the evening.
* Chc Wetting Rain...10 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....64-71 valleys and 57-63 ridges.
24 hr trend......Little change.
* Min Humidity.......29-37 percent valleys and 36-44 percent
ridges.
24 hr trend......22 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 5 to 10 mph.
Ridges/upr slopes....Northwest 5 to 10 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....North around 10 mph.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 37 to 44. Highs 63 to 70. Northwest
winds 10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Clear. Lows 38 to 45. Highs 65 to 72. West winds
10 to 15 mph with gusts to around 20 mph.
.FRIDAY...Clear. Lows 40 to 47. Highs 67 to 74. Southeast winds
10 to 15 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Lows in the mid 40s. Highs in the
upper 60s.
.SUNDAY...Mostly clear. Lows in the lower 40s. Highs in the upper
60s.
$$
.OUTLOOK FOR MONDAY OCTOBER 5 THROUGH SUNDAY OCTOBER 11...
Above normal temperatures and below normal precipitation.
$$