Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
010
FNUS55 KPIH 140712
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
112 AM MDT Mon Sep 14 2026
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
Wind gusts to 20 mph are likely today. Cooler temps will
keep humidities above critical thresholds. Temps rise tomorrow,
allowing humidities to fall into the teens but winds should be much
lighter. Light winds will continue into Wednesday and humidity
levels may increase some as well.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
Wind gusts to 30 mph are likely today. Cooler temps will
keep humidities above critical thresholds. Temps rise tomorrow,
allowing humidities to fall into the teens but winds should be much
lighter. Light winds will continue into Wednesday and humidity
levels may increase some as well.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
Wind gusts to 25 mph are likely today. Cooler temps will keep
humidities above critical thresholds. Temps rise tomorrow,
allowing humidities to fall into the teens but winds should be
much lighter. Light winds will continue into Wednesday and
humidity levels may increase some as well.
IDZ475-142215-
East Salmon River Mountains/Salmon NF-
112 AM MDT Mon Sep 14 2026
.Today...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....53-60 valleys and 46-53 ridges.
24 hr trend......2 degrees down.
* Min Humidity.......36-44 percent.
24 hr trend......4 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 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......5500-6500 ft AGL.
* Transport Winds....West around 10 mph.
.TONIGHT...
* Sky/weather........Clear. Areas of frost after midnight.
* Chc of thunder.....0 percent.
* Min Temperature....33-40 valleys and around 32 ridges.
24 hr trend......Little change.
* Max Humidity.......67-75 percent valleys and 71-79 percent
ridges.
24 hr trend......5 percent down.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 6 mph in the evening becoming
light.
Ridges/upr slopes....North 4 to 6 mph shifting to the southeast
4 to 5 mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....62-69 valleys and 54-60 ridges.
24 hr trend......9 degrees up.
* Min Humidity.......22-30 percent.
24 hr trend......13 percent down.
* 20ft winds.........
Valleys/lwr slopes...South around 4 mph shifting to the
southwest 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......8500-9500 ft AGL.
* Transport Winds....Light winds becoming southwest around 15 mph
in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 37 to 44. Highs 62 to 69. North
winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Chance of showers and slight chance of
thunderstorms. Lows 40 to 47. Highs 62 to 69. East winds 10 to
15 mph with gusts to around 20 mph.
.FRIDAY...Showers likely and slight chance of thunderstorms. Lows
40 to 47. Highs 57 to 64. Southwest winds up to 5 mph with gusts
to around 15 mph.
.SATURDAY...Partly cloudy. Chance of rain. Lows around 40. Highs
in the lower 60s.
.SUNDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
$$
IDZ476-142215-
Lemhi and Lost River Range/Challis NF-
112 AM MDT Mon Sep 14 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....57-64 valleys and 47-54 ridges.
24 hr trend......5 degrees down.
* Min Humidity.......27-35 percent.
24 hr trend......6 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 8 mph.
Ridges/upr slopes....Northwest 4 to 9 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......6250-7250 ft AGL.
* Transport Winds....West around 10 mph.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....31-38.
24 hr trend......Little change.
* Max Humidity.......66-74 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 7 mph shifting to the southeast
4 to 5 mph after midnight.
Ridges/upr slopes....North 4 to 7 mph with gusts to around 15
mph shifting to the south 4 to 6 mph after
midnight.
* 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....65-72 valleys and 54-61 ridges.
24 hr trend......8 degrees up.
* Min Humidity.......14-22 percent valleys and 18-26 percent
ridges.
24 hr trend......11 percent down.
* 20ft winds.........
Valleys/lwr slopes...South 5 to 10 mph.
Ridges/upr slopes....South 6 to 11 mph with gusts to around 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9500-10500 ft AGL.
* Transport Winds....South 10 to 15 mph.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 36 to 43. Highs 63 to 70. North
winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 39 to 46. Highs 62 to 69. East winds 10 to
15 mph with gusts to around 25 mph.
.FRIDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 38 to 45. Highs 57 to 64. Southwest winds
10 to 15 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Chance of rain. Lows in the upper 30s.
Highs in the lower 60s.
.SUNDAY...Mostly clear. Lows in the upper 30s. Highs in the mid
60s.
$$
IDZ422-142215-
Sawtooth Range/Northern Sawtooth NF-
112 AM MDT Mon Sep 14 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....59-66 valleys and 48-55 ridges.
24 hr trend......Little change.
* Min Humidity.......25-33 percent valleys and 32-40 percent
ridges.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 7 to 12 mph.
Ridges/upr slopes....West 7 to 12 mph. Gusts up to 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....West around 10 mph.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....30-37.
24 hr trend......Little change.
* Max Humidity.......74-82 percent valleys and 67-75 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...West 7 to 12 mph shifting to the northeast
4 to 5 mph after midnight.
Ridges/upr slopes....North 4 to 6 mph with gusts to around 15
mph shifting to the southeast 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....65-72 valleys and 54-61 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......16-24 percent valleys and 21-29 percent
ridges.
24 hr trend......10 percent down.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 6 mph shifting to the south 5 to
8 mph in the afternoon.
Ridges/upr slopes....South 4 to 9 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......7250-8250 ft AGL.
* Transport Winds....South 10 to 15 mph.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 35 to 42. Highs 65 to 72. East
winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 40 to 47. Highs 62 to 69. East winds 10 to
20 mph with gusts to around 30 mph.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 37 to 44. Highs 58 to 65. West winds 10 to
15 mph with gusts to around 20 mph.
.SATURDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s.
.SUNDAY...Mostly clear. Lows in the upper 30s. Highs in the mid
60s.
$$
IDZ425-142215-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
112 AM MDT Mon Sep 14 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 68.
24 hr trend......5 degrees down.
* Min Humidity.......32-40 percent.
24 hr trend......3 percent up.
* 20ft winds.........West winds 10 to 15 mph with gusts to around
25 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......6000-7000 ft AGL.
* Transport Winds....West around 15 mph.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....Around 36.
24 hr trend......4 degrees down.
* Max Humidity.......83-91 percent.
24 hr trend......13 percent up.
* 20ft winds.........West winds 7 to 12 mph with gusts to around 20
mph shifting to the southeast around 4 mph
after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....West around 10 mph in the evening becoming
light.
.TUESDAY...
* Sky/weather........Sunny then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....Around 76.
24 hr trend......9 degrees up.
* Min Humidity.......19-27 percent.
24 hr trend......13 percent down.
* 20ft winds.........East winds 4 to 6 mph with gusts to around 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......6500-7500 ft AGL.
* Transport Winds....East around 10 mph shifting to the southwest
in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows in the lower 40s. Highs in the lower
80s. Northeast winds 10 to 15 mph with gusts to around 20 mph.
.THURSDAY...Partly cloudy. Slight chance of rain. Lows around 50.
Highs in the upper 70s. East winds 10 to 20 mph with gusts to
around 30 mph.
.FRIDAY...Mostly clear. Slight chance of rain. Lows in the mid
40s. Highs in the mid 70s. West winds 10 to 15 mph with gusts to
around 25 mph.
.SATURDAY...Clear. Lows around 40. Highs in the mid 70s.
.SUNDAY...Clear. Lows in the lower 40s. Highs in the upper 70s.
$$
IDZ427-142215-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
112 AM MDT Mon Sep 14 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....64-69 valleys and 57-64 ridges.
24 hr trend......6 degrees down.
* Min Humidity.......31-39 percent.
24 hr trend......3 percent up.
* 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......5250-6250 ft AGL.
* Transport Winds....West 10 to 15 mph.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....35-42.
24 hr trend......2 degrees down.
* Max Humidity.......69-77 percent valleys and 55-63 percent
ridges.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 6 to 9 mph shifting to the south
after midnight.
Ridges/upr slopes....Northwest 5 to 8 mph with gusts to around
15 mph shifting to the southeast 4 to 5
mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.TUESDAY...
* Sky/weather........Mostly sunny then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....Around 77 valleys and 69-76 ridges.
24 hr trend......11 degrees up.
* Min Humidity.......20-28 percent valleys and 16-24 percent
ridges.
24 hr trend......12 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 8 mph.
Ridges/upr slopes....South 4 to 8 mph. Gusts up to 20 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......9750-10750 ft AGL.
* Transport Winds....South around 10 mph.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 41 to 48. Highs 72 to 79. South winds
10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Mostly clear. Lows 46 to 53. Highs 70 to 77.
Southeast winds 10 to 20 mph with gusts to around 25 mph.
.FRIDAY...Mostly clear. Slight chance of rain. Lows 42 to 49.
Highs 66 to 73. West winds 10 to 15 mph with gusts to around
25 mph.
.SATURDAY...Clear. Lows in the lower 40s. Highs in the lower 70s.
.SUNDAY...Clear. Lows in the mid 40s. Highs in the mid 70s.
$$
IDZ410-142215-
Upper Snake River Valley/Idaho Falls BLM-
112 AM MDT Mon Sep 14 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....61-68.
24 hr trend......7 degrees down.
* Min Humidity.......23-31 percent.
24 hr trend......3 percent up.
* 20ft winds.........Southwest winds 10 to 15 mph. Gusts up to 30
mph decreasing to 20 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......7250-8250 ft AGL.
* Transport Winds....West around 15 mph.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....33-39.
24 hr trend......2 degrees down.
* Max Humidity.......75-83 percent.
24 hr trend......17 percent up.
* 20ft winds.........Southwest winds 7 to 10 mph with gusts to
around 20 mph shifting to the east 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.
.TUESDAY...
* Sky/weather........Mostly sunny then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....68-75.
24 hr trend......8 degrees up.
* Min Humidity.......15-23 percent.
24 hr trend......7 percent down.
* 20ft winds.........East winds 4 to 6 mph shifting to the
southwest 5 to 8 mph in the afternoon. Gusts
up to 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......7750-8750 ft AGL.
* Transport Winds....Light winds becoming southwest around 15 mph
in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 38 to 45. Highs 73 to 80.
Northeast winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 44 to 50. Highs 71 to 78. East winds 10 to
15 mph with gusts to around 25 mph.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 41 to 47. Highs 66 to 73. South winds 10 to
15 mph with gusts to around 25 mph.
.SATURDAY...Mostly clear. Slight chance of rain. Lows in the
upper 30s. Highs around 70.
.SUNDAY...Mostly clear. Lows in the upper 30s. Highs in the lower
70s.
$$
IDZ411-142215-
Centennial Mountains and Snake River Range/Targhee NF-
112 AM MDT Mon Sep 14 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 61 valleys and 51-58 ridges.
24 hr trend......10 degrees down.
* Min Humidity.......24-32 percent valleys and 28-36 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
25 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......6250-7250 ft AGL.
* Transport Winds....West around 15 mph.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....30-37.
24 hr trend......2 degrees down.
* Max Humidity.......81-89 percent valleys and 68-76 percent
ridges.
24 hr trend......4 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 6 mph shifting to the northeast
around 4 mph after midnight.
Ridges/upr slopes....Northwest 4 to 7 mph with gusts to around
15 mph shifting to the east 4 to 5 mph
after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.TUESDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....68-73 valleys and 60-67 ridges.
24 hr trend......8 degrees up.
* Min Humidity.......17-22 percent valleys and 19-27 percent
ridges.
24 hr trend......8 percent down.
* 20ft winds.........
Valleys/lwr slopes...East around 4 mph shifting to the
southwest 4 to 6 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the
southwest 6 to 9 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 increasing to
southwest around 20 mph in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 36 to 43. Highs 64 to 71.
Southeast winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 41 to 48. Highs 63 to 70. East winds 10 to
15 mph with gusts to around 25 mph.
.FRIDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 39 to 46. Highs 58 to 65. Southeast winds
5 to 10 mph with gusts to around 25 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 30s. Highs around 60.
.SUNDAY...Mostly clear. Lows in the upper 30s. Highs in the mid
60s.
$$
IDZ413-142215-
Caribou Range/Caribou NF-
112 AM MDT Mon Sep 14 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....62-69 valleys and 55-62 ridges.
24 hr trend......11 degrees down.
* Min Humidity.......23-31 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 9 mph.
Ridges/upr slopes....West 5 to 10 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.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....33-40.
24 hr trend......3 degrees down.
* Max Humidity.......65-73 percent valleys and 60-68 percent
ridges.
24 hr trend......7 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 7 mph shifting to the
northeast 4 to 5 mph after midnight.
Ridges/upr slopes....Northwest 5 to 8 mph with gusts to around
15 mph shifting to the east 4 to 6 mph
after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.TUESDAY...
* Sky/weather........Mostly sunny then becoming mostly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....72-78 valleys and 65-72 ridges.
24 hr trend......11 degrees up.
* Min Humidity.......17-25 percent.
24 hr trend......7 percent down.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 5 mph shifting to the south 5 to
10 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the
southwest 5 to 10 mph in the afternoon.
Gusts up to 20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9000-10000 ft AGL.
* Transport Winds....Southeast around 10 mph shifting to the
southwest in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 41 to 48. Highs 72 to 79.
Southeast winds 10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Partly cloudy. Chance of showers and thunderstorms.
Lows 45 to 52. Highs 69 to 76. Southeast winds 10 to 20 mph with
gusts to around 25 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 42 to 49. Highs 66 to 73. South winds 10 to
15 mph with gusts to around 25 mph.
.SATURDAY...Mostly clear. Slight chance of rain. Lows around 40.
Highs in the upper 60s.
.SUNDAY...Clear. Lows around 40. Highs in the lower 70s.
$$
.OUTLOOK FOR MONDAY SEPTEMBER 21 THROUGH SUNDAY SEPTEMBER 27...
Above normal temperatures and precipitation.
$$