Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
104
FNUS55 KPIH 260802
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
202 AM MDT Sat Sep 26 2026
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
Only impact a chance of rain Sunday and Monday then dry conditions
expected Tuesday through Friday.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
Will have a chance of showers and thunderstorms Sunday night and
Monday. Wind gusts up to 20 to 25 mph today and Sunday as well.
Dry conditions Tuesday through Friday.
* South Central Idaho Dispatch Area weather impact summary
(Zones 422...425 and 427)...
Will have some 15 to 25 mph wind gusts today and Sunday especially
in zone 427, but mainly dry conditions expected as most shower
activity will stay east Sunday and Monday with only a very slight
chance. Dry conditions expected Tuesday through Friday.
IDZ475-262230-
East Salmon River Mountains/Salmon NF-
202 AM MDT Sat Sep 26 2026
.Today...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....52-59 valleys and 43-50 ridges.
24 hr trend......13 degrees down.
* Min Humidity.......30-38 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 8 mph.
Ridges/upr slopes....West 4 to 9 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.TONIGHT...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....34-41.
24 hr trend......2 degrees up.
* Max Humidity.......57-65 percent.
24 hr trend......21 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 6 mph shifting to the
southeast around 4 mph after midnight.
Ridges/upr slopes....West 4 to 6 mph with gusts to around 15
mph shifting to the south after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Light winds.
.SUNDAY...
* Sky/weather........Cloudy. Slight chance of rain in the
afternoon.
* Chc of thunder.....0 percent.
* Max Temperature....56-63 valleys and 47-54 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......39-47 percent valleys and 46-54 percent
ridges.
24 hr trend......12 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...0 percent.
* Mixing Height......6000-7000 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.MONDAY...Partly cloudy. Chance of rain. Lows 37 to 44. Highs
55 to 62. Northwest winds 5 to 10 mph with gusts to around
15 mph.
.TUESDAY...Clear. Lows 34 to 41. Highs 57 to 64. West winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows 38 to 45. Highs 55 to 62. West
winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Partly cloudy. Lows in the upper 30s. Highs in the
upper 50s.
.FRIDAY...Partly cloudy. Lows in the upper 30s. Highs in the mid
50s.
$$
IDZ476-262230-
Lemhi and Lost River Range/Challis NF-
202 AM MDT Sat Sep 26 2026
.Today...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....56-63 valleys and 47-54 ridges.
24 hr trend......10 degrees down.
* Min Humidity.......23-31 percent valleys and 27-35 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southwest 5 to 10 mph.
Ridges/upr slopes....Southwest 6 to 11 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5750-6750 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.TONIGHT...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....36-43.
24 hr trend......4 degrees up.
* Max Humidity.......53-61 percent.
24 hr trend......15 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 7 mph shifting to the south
around 4 mph after midnight.
Ridges/upr slopes....Southwest 4 to 8 mph. Gusts up to 15 mph
in the evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Light winds.
.SUNDAY...
* Sky/weather........Cloudy. Slight chance of rain in the
afternoon.
* Chc of thunder.....0 percent.
* Max Temperature....58-65 valleys and 49-56 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......36-44 percent valleys and 42-50 percent
ridges.
24 hr trend......14 percent up.
* 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......5500-6500 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.MONDAY...Mostly cloudy. Slight chance of rain. Lows 37 to 44.
Highs 54 to 61. Northwest winds 10 to 15 mph with gusts to around
20 mph.
.TUESDAY...Clear. Lows 34 to 41. Highs 57 to 64. West winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows 37 to 44. Highs 55 to 62. West
winds 10 to 15 mph with gusts to around 20 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 50s.
.FRIDAY...Partly cloudy. Lows in the upper 30s. Highs in the mid
50s.
$$
IDZ422-262230-
Sawtooth Range/Northern Sawtooth NF-
202 AM MDT Sat Sep 26 2026
.Today...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....57-64 valleys and 45-52 ridges.
24 hr trend......10 degrees down.
* Min Humidity.......25-33 percent valleys and 31-39 percent
ridges.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southwest 5 to 10 mph.
Ridges/upr slopes....Southwest 5 to 10 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......4750-5750 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.TONIGHT...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....37-44.
24 hr trend......5 degrees up.
* Max Humidity.......57-65 percent valleys and 61-69 percent
ridges.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 7 mph shifting to the north 4 to
5 mph after midnight.
Ridges/upr slopes....Southwest 4 to 7 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Southwest around 10 mph in the evening
becoming light.
.SUNDAY...
* Sky/weather........Cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....62-69 valleys and 49-56 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......32-40 percent valleys and 43-51 percent
ridges.
24 hr trend......9 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 5 mph shifting to the south
4 to 6 mph in the afternoon.
Ridges/upr slopes....Southwest 4 to 6 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....Light winds becoming south around 10 mph in
the afternoon.
.Forecast days 3 through 7......
.MONDAY...Mostly cloudy. Lows 38 to 45. Highs 57 to 64. Northwest
winds 5 to 10 mph with gusts to around 15 mph.
.TUESDAY...Clear. Lows 34 to 41. Highs 58 to 65. Northwest winds
5 to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 35 to 42. Highs 57 to 64. West winds
10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs around 60.
.FRIDAY...Partly cloudy. Lows in the upper 30s. Highs in the
upper 50s.
$$
IDZ425-262230-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
202 AM MDT Sat Sep 26 2026
.Today...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....Around 68.
24 hr trend......12 degrees down.
* Min Humidity.......26-34 percent.
24 hr trend......6 percent up.
* 20ft winds.........West winds 5 to 10 mph. Gusts up to 15 mph
increasing to 25 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......4250-5250 ft AGL.
* Transport Winds....West around 10 mph.
.TONIGHT...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....Around 45.
24 hr trend......3 degrees up.
* Max Humidity.......55-63 percent.
24 hr trend......5 percent down.
* 20ft winds.........Northwest winds 4 to 9 mph. Gusts up to 20 mph
in the evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....West around 10 mph in the evening becoming
light.
.SUNDAY...
* Sky/weather........Cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....Around 75.
24 hr trend......7 degrees up.
* Min Humidity.......25-33 percent.
24 hr trend......2 percent down.
* 20ft winds.........East winds 4 to 6 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......8750-9750 ft AGL.
* Transport Winds....Light winds becoming south around 10 mph in
the afternoon.
.Forecast days 3 through 7......
.MONDAY...Mostly cloudy. Lows in the upper 40s. Highs in the
lower 70s. West winds 5 to 10 mph with gusts to around 15 mph.
.TUESDAY...Clear. Lows in the lower 40s. Highs in the lower 70s.
West winds 5 to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows in the mid 40s. Highs in the lower 70s.
West winds 10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s.
.FRIDAY...Partly cloudy. Lows in the lower 40s. Highs in the
upper 60s.
$$
IDZ427-262230-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
202 AM MDT Sat Sep 26 2026
.Today...
* Sky/weather........Mostly sunny then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....63-70.
24 hr trend......10 degrees down.
* Min Humidity.......28-36 percent.
24 hr trend......7 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 9 mph.
Ridges/upr slopes....Northwest 4 to 9 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....West around 10 mph.
.TONIGHT...
* Sky/weather........Partly cloudy then becoming cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....42-49.
24 hr trend......3 degrees up.
* Max Humidity.......56-64 percent valleys and 49-57 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northwest 6 to 9 mph in the evening
becoming light.
Ridges/upr slopes....Northeast 4 to 9 mph. Gusts up to 20 mph
in the evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....North around 10 mph in the evening becoming
light.
.SUNDAY...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....73-78 valleys and 66-73 ridges.
24 hr trend......6 degrees up.
* Min Humidity.......23-31 percent.
24 hr trend......5 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......10250-11250 ft AGL.
* Transport Winds....Light winds becoming southwest around 15 mph
in the afternoon.
.Forecast days 3 through 7......
.MONDAY...Partly cloudy. Lows 43 to 50. Highs 61 to 68. West
winds 10 to 15 mph with gusts to around 20 mph.
.TUESDAY...Clear. Lows 40 to 47. Highs 61 to 68. West winds 10 to
15 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 41 to 48. Highs 63 to 70. West winds
10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Clear. Lows in the mid 40s. Highs in the upper 60s.
.FRIDAY...Partly cloudy. Lows in the mid 40s. Highs in the mid
60s.
$$
IDZ410-262230-
Upper Snake River Valley/Idaho Falls BLM-
202 AM MDT Sat Sep 26 2026
.Today...
* Sky/weather........Mostly sunny then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....61-68.
24 hr trend......9 degrees down.
* Min Humidity.......26-34 percent.
24 hr trend......3 percent up.
* 20ft winds.........Southwest winds 9 to 14 mph with gusts to
around 25 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......6250-7250 ft AGL.
* Transport Winds....Southwest around 10 mph increasing to around
20 mph in the afternoon.
.TONIGHT...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....42-47.
24 hr trend......Little change.
* Max Humidity.......58-66 percent.
24 hr trend......6 percent down.
* 20ft winds.........Southwest winds 8 to 13 mph with gusts to
around 20 mph shifting to the northeast 4 to 5
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.
.SUNDAY...
* Sky/weather........Cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....66-73.
24 hr trend......5 degrees up.
* Min Humidity.......27-35 percent.
24 hr trend......2 percent up.
* 20ft winds.........Northeast winds 4 to 6 mph shifting to the
south in the afternoon. Gusts up to 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......8750-9750 ft AGL.
* Transport Winds....Northeast around 10 mph shifting to the south
in the afternoon.
.Forecast days 3 through 7......
.MONDAY...Mostly cloudy. Slight chance of rain. Lows 44 to 49.
Highs 63 to 70. Northwest winds 10 to 15 mph with gusts to around
20 mph.
.TUESDAY...Clear. Lows 39 to 44. Highs 62 to 69. West winds 5 to
10 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 39 to 44. Highs 63 to 70. Southwest
winds 10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the
upper 60s.
.FRIDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid
60s.
$$
IDZ411-262230-
Centennial Mountains and Snake River Range/Targhee NF-
202 AM MDT Sat Sep 26 2026
.Today...
* Sky/weather........Mostly sunny then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....61-67 valleys and 54-61 ridges.
24 hr trend......8 degrees down.
* Min Humidity.......31-38 percent valleys and 34-42 percent
ridges.
24 hr trend......6 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southwest 8 to 13 mph.
Ridges/upr slopes....Southwest 8 to 13 mph with gusts to around
25 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......6500-7500 ft AGL.
* Transport Winds....Southwest around 10 mph increasing to around
20 mph in the afternoon.
.TONIGHT...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....39-46.
24 hr trend......Little change.
* Max Humidity.......70-78 percent valleys and 60-68 percent
ridges.
24 hr trend......8 percent down.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 6 mph shifting to the east
around 4 mph after midnight.
Ridges/upr slopes....South 7 to 10 mph with gusts to around 20
mph shifting to the southeast around 4 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.
.SUNDAY...
* Sky/weather........Cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....Around 69 valleys and 58-65 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......29-36 percent valleys and 35-43 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northeast around 4 mph shifting to the
southwest 4 to 6 mph in the afternoon.
Ridges/upr slopes....East 4 to 6 mph shifting to the south 5 to
8 mph in the afternoon. Gusts up to 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......8500-9500 ft AGL.
* Transport Winds....Southeast around 10 mph shifting to the
southwest in the afternoon.
.Forecast days 3 through 7......
.MONDAY...Mostly cloudy. Showers likely and slight chance of
thunderstorms. Lows 40 to 47. Highs 54 to 61. West winds 10 to
15 mph.
.TUESDAY...Clear. Lows 35 to 42. Highs 55 to 62. North winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Clear. Lows 35 to 42. Highs 55 to 62. South winds
5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 50s.
.FRIDAY...Partly cloudy. Lows in the upper 30s. Highs in the mid
50s.
$$
IDZ413-262230-
Caribou Range/Caribou NF-
202 AM MDT Sat Sep 26 2026
.Today...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....64-71.
24 hr trend......6 degrees down.
* Min Humidity.......26-34 percent valleys and 31-39 percent
ridges.
24 hr trend......4 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southwest 4 to 9 mph.
Ridges/upr slopes....Southwest 5 to 10 mph. Gusts up to 20 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......7500-8500 ft AGL.
* Transport Winds....Light winds becoming southwest around 15 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....42-49.
24 hr trend......Little change.
* Max Humidity.......58-66 percent.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 6 mph shifting to the east
after midnight.
Ridges/upr slopes....Southwest 4 to 7 mph shifting to the
southeast after midnight. Gusts up to 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....North around 10 mph shifting to the east after
midnight.
.SUNDAY...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....70-77 valleys and 62-69 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......25-33 percent.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...South 9 to 14 mph.
Ridges/upr slopes....South 5 to 8 mph shifting to the southwest
8 to 13 mph in the afternoon. Gusts up to
15 mph increasing to 25 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......9500-10500 ft AGL.
* Transport Winds....South around 10 mph increasing to southwest
around 20 mph in the afternoon.
.Forecast days 3 through 7......
.MONDAY...Mostly cloudy. Chance of rain. Lows 45 to 52. Highs
60 to 67. South winds 10 to 15 mph with gusts to around 25 mph.
.TUESDAY...Mostly clear. Lows 39 to 46. Highs 60 to 67. Northwest
winds 10 to 15 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 38 to 45. Highs 61 to 68. Northwest
winds 10 to 15 mph with gusts to around 20 mph.
.THURSDAY...Clear. Lows in the lower 40s. Highs in the mid 60s.
.FRIDAY...Partly cloudy. Lows in the lower 40s. Highs in the
lower 60s.
$$
.OUTLOOK FOR SATURDAY OCTOBER 3 THROUGH FRIDAY OCTOBER 9...
Above normal temperatures and below normal precipitation.
$$