Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
809
FNUS55 KPIH 110816
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
216 AM MDT Thu Jun 11 2026
.DISCUSSION...
...FRIDAY CRITICAL WINDS and CRITICAL MINIMUM RELATIVE HUMIDITY
for Fire Weather Zone 425...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
Temperatures remain slightly below normal today with relative
humidity dropping with dry conditions. Expect a drying and
warming trend with breezy winds through the end of the week into
the weekend. Friday will have the strongest winds with critical
winds and near critical relative humidity.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
Temperatures remain slightly below normal today with relative
humidity dropping with dry conditions. Expect a drying and
warming trend with breezy winds through the end of the week into
the weekend. Friday will have the strongest winds with near
critical to critical winds and near critical to critical relative
humidity.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
Temperatures remain slightly below normal today with relative
humidity dropping with dry conditions. Expect a drying and
warming trend with breezy winds through the end of the week into
the weekend. Friday will have the strongest winds with near
critical to critical winds and near critical to critical relative
humidity.
IDZ475-112300-
East Salmon River Mountains/Salmon NF-
216 AM MDT Thu Jun 11 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....63-70 valleys and 54-61 ridges.
24 hr trend......16 degrees up.
* Min Humidity.......18-26 percent.
24 hr trend......16 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest 5 to 10 mph.
Ridges/upr slopes....Southwest 6 to 11 mph. Gusts up to 20 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......7750-8750 ft AGL.
* Transport Winds....Light winds becoming west around 15 mph in the
afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....36-43 valleys and around 34 ridges.
24 hr trend......8 degrees up.
* Max Humidity.......51-59 percent.
24 hr trend......26 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 7 to 12 mph.
Ridges/upr slopes....West 7 to 12 mph with gusts to around 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....West around 10 mph in the evening becoming
light.
.FRIDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....66-73 valleys and 58-65 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......17-25 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...West 9 to 14 mph.
Ridges/upr slopes....West 10 to 15 mph. Gusts up to 15 mph
increasing to 25 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......9250-10250 ft AGL.
* Transport Winds....West around 10 mph increasing to around 20 mph
in the afternoon.
.Forecast days 3 through 7......
.SATURDAY...Clear. Lows 35 to 42. Highs 60 to 67. North winds
10 to 20 mph with gusts to around 35 mph.
.SUNDAY...Clear. Lows 35 to 42. Highs 65 to 72. Northeast winds
10 to 20 mph with gusts to around 30 mph.
.MONDAY...Clear. Lows 38 to 45. Highs 71 to 78. North winds 10 to
15 mph with gusts to around 20 mph.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
70s.
.WEDNESDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
$$
IDZ476-112300-
Lemhi and Lost River Range/Challis NF-
216 AM MDT Thu Jun 11 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....64-71 valleys and 53-60 ridges.
24 hr trend......12 degrees up.
* Min Humidity.......16-24 percent valleys and 22-30 percent
ridges.
24 hr trend......8 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest 4 to 9 mph.
Ridges/upr slopes....Southwest 6 to 11 mph. Gusts up to 20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......8500-9500 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....33-40.
24 hr trend......9 degrees up.
* Max Humidity.......49-57 percent valleys and 45-53 percent
ridges.
24 hr trend......28 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 6 to 11 mph.
Ridges/upr slopes....West 6 to 11 mph. Gusts up to 20 mph in
the evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....West around 10 mph in the evening becoming
light.
.FRIDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....70-77 valleys and 60-67 ridges.
24 hr trend......6 degrees up.
* Min Humidity.......14-22 percent valleys and 18-26 percent
ridges.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...West around 4 mph increasing to 9 to 14
mph in the afternoon.
Ridges/upr slopes....West 11 to 16 mph. Gusts up to 15 mph
increasing to 25 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......10750-11750 ft AGL.
* Transport Winds....West around 10 mph increasing to around 20 mph
in the afternoon.
.Forecast days 3 through 7......
.SATURDAY...Windy, clear. Lows 35 to 42. Highs 60 to 67. North
winds 20 to 30 mph with gusts to around 35 mph.
.SUNDAY...Breezy, clear. Lows 34 to 41. Highs 63 to 70. North
winds 15 to 25 mph with gusts to around 35 mph.
.MONDAY...Clear. Lows 37 to 44. Highs 69 to 76. North winds 10 to
20 mph with gusts to around 25 mph.
.TUESDAY...Partly cloudy. Lows in the mid 40s. Highs in the upper
70s.
.WEDNESDAY...Clear. Lows in the upper 40s. Highs in the upper
70s.
$$
IDZ422-112300-
Sawtooth Range/Northern Sawtooth NF-
216 AM MDT Thu Jun 11 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....62-69 valleys and 51-58 ridges.
24 hr trend......9 degrees up.
* Min Humidity.......15-23 percent valleys and 24-32 percent
ridges.
24 hr trend......8 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 6 mph shifting to the
southwest 6 to 9 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the
southwest 5 to 10 mph with gusts to around
15 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......7250-8250 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....33-40.
24 hr trend......7 degrees up.
* Max Humidity.......46-54 percent.
24 hr trend......19 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 7 to 10 mph shifting to the northwest
4 to 6 mph after midnight.
Ridges/upr slopes....West 5 to 10 mph. Gusts up to 15 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.
.FRIDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....71-78 valleys and 58-65 ridges.
24 hr trend......8 degrees up.
* Min Humidity.......14-22 percent valleys and 22-30 percent
ridges.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 6 mph increasing to 13 to 18 mph
in the afternoon.
Ridges/upr slopes....West 9 to 14 mph with gusts to around 25
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......7750-8750 ft AGL.
* Transport Winds....West around 10 mph increasing to around 20 mph
in the afternoon.
.Forecast days 3 through 7......
.SATURDAY...Breezy, clear. Lows 37 to 44. Highs 65 to 72.
Northwest winds 15 to 25 mph with gusts to around 35 mph.
.SUNDAY...Windy, clear. Lows 37 to 44. Highs 67 to 74. North
winds 20 to 30 mph with gusts to around 40 mph.
.MONDAY...Clear. Lows 40 to 47. Highs 71 to 78. Northwest winds
10 to 20 mph with gusts to around 30 mph.
.TUESDAY...Mostly clear. Lows in the mid 40s. Highs in the upper
70s.
.WEDNESDAY...Clear. Lows in the upper 40s. Highs in the upper
70s.
$$
IDZ425-112300-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
216 AM MDT Thu Jun 11 2026
...FRIDAY CRITICAL WINDS and CRITICAL MINIMUM RELATIVE HUMIDITY
for Fire Weather Zone 425...
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 72.
24 hr trend......7 degrees up.
* Min Humidity.......13-21 percent.
24 hr trend......5 percent down.
* 20ft winds.........Southeast winds 4 to 5 mph shifting to the
southwest 5 to 8 mph with gusts to around 20
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........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....39-44.
24 hr trend......7 degrees up.
* Max Humidity.......47-55 percent.
24 hr trend......23 percent down.
* 20ft winds.........West winds 4 to 8 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.
.FRIDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 83.
24 hr trend......9 degrees up.
* Min Humidity.......13-18 percent.
24 hr trend......Little change.
* 20ft winds.........Southwest winds 4 to 6 mph with gusts to
around 15 mph shifting to the west 9 to 19 mph
with gusts to around 30 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......9000-10000 ft AGL.
* Transport Winds....West around 10 mph increasing to around 20 mph
in the afternoon.
.Forecast days 3 through 7......
.SATURDAY...Breezy, clear. Lows 46 to 51. Highs in the upper 70s.
West winds 15 to 25 mph with gusts to around 35 mph.
.SUNDAY...Breezy, clear. Lows in the upper 40s. Highs in the
lower 80s. Northeast winds 15 to 25 mph with gusts to around
40 mph.
.MONDAY...Clear. Lows around 50. Highs in the mid 80s. East winds
10 to 20 mph with gusts to around 30 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs around 90.
.WEDNESDAY...Clear. Lows in the mid 50s. Highs around 90.
$$
IDZ427-112300-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
216 AM MDT Thu Jun 11 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....66-73.
24 hr trend......6 degrees up.
* Min Humidity.......13-18 percent.
24 hr trend......5 percent down.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 5 mph shifting to the north 4
to 6 mph in the afternoon.
Ridges/upr slopes....South 4 to 6 mph. Gusts up to 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......6250-7250 ft AGL.
* Transport Winds....Southeast around 10 mph in the morning
becoming light.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....42-49.
24 hr trend......10 degrees up.
* Max Humidity.......35-43 percent valleys and 30-38 percent
ridges.
24 hr trend......25 percent down.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 6 mph shifting to the south
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.
.FRIDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....80-85 valleys and 73-80 ridges.
24 hr trend......9 degrees up.
* Min Humidity.......13-18 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...West 8 to 13 mph.
Ridges/upr slopes....West 8 to 13 mph with gusts to around 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......8750-9750 ft AGL.
* Transport Winds....West 10 to 15 mph.
.Forecast days 3 through 7......
.SATURDAY...Clear. Lows 47 to 54. Highs 72 to 79. Northwest winds
10 to 20 mph with gusts to around 25 mph.
.SUNDAY...Clear. Lows 44 to 51. Highs 73 to 80. North winds 10 to
15 mph with gusts to around 25 mph.
.MONDAY...Clear. Lows 47 to 54. Highs 77 to 84. Northwest winds
10 to 15 mph with gusts to around 25 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
80s.
.WEDNESDAY...Clear. Lows in the upper 50s. Highs in the upper
80s.
$$
IDZ410-112300-
Upper Snake River Valley/Idaho Falls BLM-
216 AM MDT Thu Jun 11 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....63-70.
24 hr trend......5 degrees up.
* Min Humidity.......19-27 percent.
24 hr trend......3 percent down.
* 20ft winds.........Southeast winds 4 to 6 mph shifting to the
southwest 6 to 11 mph with gusts to around 20
mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......7000-8000 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....36-42.
24 hr trend......8 degrees up.
* Max Humidity.......50-58 percent.
24 hr trend......25 percent down.
* 20ft winds.........South winds 7 to 12 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....South around 10 mph.
.FRIDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....73-80.
24 hr trend......10 degrees up.
* Min Humidity.......15-23 percent.
24 hr trend......4 percent down.
* 20ft winds.........South winds 4 to 7 mph with gusts to around 20
mph shifting to the southwest 12 to 17 mph
with gusts to around 30 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11000-12000 ft AGL.
* Transport Winds....Southwest around 10 mph increasing to west
around 20 mph in the afternoon.
.Forecast days 3 through 7......
.SATURDAY...Breezy, clear. Lows 42 to 49. Highs 68 to 75. North
winds 15 to 25 mph with gusts to around 40 mph.
.SUNDAY...Breezy, clear. Lows 39 to 46. Highs 70 to 77. Northeast
winds 15 to 25 mph with gusts to around 35 mph.
.MONDAY...Clear. Lows 40 to 47. Highs 75 to 82. Northeast winds
10 to 15 mph with gusts to around 25 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
80s.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the upper
80s.
$$
IDZ411-112300-
Centennial Mountains and Snake River Range/Targhee NF-
216 AM MDT Thu Jun 11 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....60-65 valleys and 53-60 ridges.
24 hr trend......6 degrees up.
* Min Humidity.......27-33 percent valleys and 30-38 percent
ridges.
24 hr trend......5 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest 6 to 11 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....Light winds becoming west around 15 mph in the
afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....33-40.
24 hr trend......9 degrees up.
* Max Humidity.......63-71 percent valleys and 51-59 percent
ridges.
24 hr trend......30 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 6 to 11 mph. Gusts up to 20 mph in
the evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....South around 10 mph.
.FRIDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 72 valleys and 62-69 ridges.
24 hr trend......9 degrees up.
* Min Humidity.......23-31 percent.
24 hr trend......8 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest 6 to 11 mph.
Ridges/upr slopes....Southwest 6 to 11 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......8750-9750 ft AGL.
* Transport Winds....Southwest around 10 mph increasing to west
around 20 mph in the afternoon.
.Forecast days 3 through 7......
.SATURDAY...Windy, clear. Lows 37 to 44. Highs 58 to 65. North
winds 20 to 30 mph with gusts to around 35 mph.
.SUNDAY...Breezy, clear. Lows 34 to 41. Highs 60 to 67. North
winds 15 to 25 mph with gusts to around 35 mph.
.MONDAY...Clear. Lows 35 to 42. Highs 65 to 72. North winds 10 to
20 mph with gusts to around 25 mph.
.TUESDAY...Partly cloudy. Lows in the lower 40s. Highs in the mid
70s.
.WEDNESDAY...Clear. Lows in the upper 40s. Highs in the mid 70s.
$$
IDZ413-112300-
Caribou Range/Caribou NF-
216 AM MDT Thu Jun 11 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....64-71 valleys and 56-63 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......18-26 percent valleys and 23-31 percent
ridges.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northeast around 4 mph shifting to the
southwest 4 to 6 mph in the afternoon.
Ridges/upr slopes....North around 4 mph shifting to the west 4
to 7 mph with gusts to around 15 mph in
the afternoon.
* 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....37-44.
24 hr trend......8 degrees up.
* Max Humidity.......46-54 percent.
24 hr trend......24 percent down.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 6 mph.
Ridges/upr slopes....South 4 to 6 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....Light winds.
.FRIDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....74-81 valleys and 65-72 ridges.
24 hr trend......9 degrees up.
* Min Humidity.......14-22 percent valleys and 18-26 percent
ridges.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest 8 to 13 mph.
Ridges/upr slopes....Southwest 4 to 6 mph shifting to the west
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......9250-10250 ft AGL.
* Transport Winds....Southwest around 10 mph increasing to west
around 20 mph in the afternoon.
.Forecast days 3 through 7......
.SATURDAY...Clear. Lows 43 to 50. Highs 69 to 76. Northwest winds
10 to 20 mph with gusts to around 25 mph.
.SUNDAY...Clear. Lows 40 to 47. Highs 70 to 77. North winds 10 to
15 mph with gusts to around 25 mph.
.MONDAY...Clear. Lows 42 to 49. Highs 73 to 80. North winds 10 to
15 mph with gusts to around 25 mph.
.TUESDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 80s.
.WEDNESDAY...Clear. Lows in the lower 50s. Highs in the lower
80s.
$$
.OUTLOOK for June 18th to 24th: NEAR NORMAL temperatures and NEAR
NORMAL precipitation.
$$