Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
797
FNUS55 KPIH 310645
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
1245 AM MDT Sun Aug 31 2025
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
Dry weather will continue through Tuesday with light winds
expected. Minimum humidities will continue to lower over the next
couple days.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
Dry weather will continue through Tuesday with light winds
expected. Minimum humidities will continue to lower over the next
couple days.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
Dry weather will continue through Tuesday with light winds
expected. Minimum humidities will continue to lower over the next
couple days.
IDZ475-312215-
East Salmon River Mountains/Salmon NF-
1245 AM MDT Sun Aug 31 2025
.Today...
* Sky/weather........Mostly sunny. Areas of smoke through the day.
* Chc of thunder.....0 percent.
* Max Temperature....76-83 valleys and 67-73 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......15-23 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 6 mph.
Ridges/upr slopes....South 4 to 6 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......12000-13000 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Partly cloudy. Areas of smoke through the
night. Haze after midnight.
* Chc of thunder.....0 percent.
* Min Temperature....49-56.
24 hr trend......2 degrees up.
* Max Humidity.......37-45 percent.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 7 mph.
Ridges/upr slopes....Southeast 4 to 8 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds.
.LABOR DAY...
* Sky/weather........Partly cloudy then becoming mostly sunny.
Areas of smoke in the morning.
* Chc of thunder.....0 percent.
* Max Temperature....78-85 valleys and 68-75 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......13-21 percent valleys and 17-24 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 6 mph.
Ridges/upr slopes....Southeast 4 to 6 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......11250-12250 ft AGL.
* Transport Winds....Light winds.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 50 to 57. Highs 75 to 82. East winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows 50 to 57. Highs 74 to 81.
Northeast winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 50 to 57. Highs 73 to 80. West
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the upper 60s.
$$
IDZ476-312215-
Lemhi and Lost River Range/Challis NF-
1245 AM MDT Sun Aug 31 2025
.Today...
* Sky/weather........Sunny. Areas of smoke through the day. Haze in
the afternoon.
* Chc of thunder.....0 percent.
* Max Temperature....75-82 valleys and 64-71 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......14-22 percent valleys and 19-27 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 6 mph.
Ridges/upr slopes....Southeast 4 to 7 mph. Gusts up to 15 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11500-12500 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Mostly clear. Areas of smoke.
* Chc of thunder.....0 percent.
* Min Temperature....48-55.
24 hr trend......2 degrees up.
* Max Humidity.......39-47 percent valleys and 34-42 percent
ridges.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 8 mph.
Ridges/upr slopes....Southeast 4 to 8 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Southeast around 10 mph in the evening
becoming light.
.LABOR DAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....77-84 valleys and 66-73 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......13-21 percent valleys and 18-26 percent
ridges.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 7 mph.
Ridges/upr slopes....Southeast 4 to 7 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......11000-12000 ft AGL.
* Transport Winds....Light winds becoming south around 10 mph in
the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 49 to 56. Highs 73 to 80. East winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows 49 to 56. Highs 72 to 79. North
winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 49 to 56. Highs 71 to 78.
Northwest winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the lower 70s.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the upper 60s.
$$
IDZ422-312215-
Sawtooth Range/Northern Sawtooth NF-
1245 AM MDT Sun Aug 31 2025
.Today...
* Sky/weather........Sunny. Patchy smoke in the morning. Haze
through the day.
* Chc of thunder.....0 percent.
* Max Temperature....75-82 valleys and 65-72 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......17-24 percent valleys and 21-29 percent
ridges.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 6 mph.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the south
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11000-12000 ft AGL.
* Transport Winds....Southeast around 10 mph.
.TONIGHT...
* Sky/weather........Clear. Haze and patchy smoke.
* Chc of thunder.....0 percent.
* Min Temperature....48-55.
24 hr trend......Little change.
* Max Humidity.......40-48 percent valleys and 35-43 percent
ridges.
24 hr trend......10 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 6 mph shifting to the
northeast 4 to 7 mph after midnight.
Ridges/upr slopes....Southeast 4 to 7 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Southeast around 10 mph.
.LABOR DAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....77-84 valleys and 67-74 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......15-23 percent valleys and 19-26 percent
ridges.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northeast 5 to 8 mph shifting to the
southeast 4 to 6 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 6 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......11000-12000 ft AGL.
* Transport Winds....East around 10 mph in the morning becoming
light.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 49 to 56. Highs 75 to 82. East winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows 50 to 57. Highs 73 to 80.
Northeast winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 49 to 56. Highs 72 to 79.
Northwest winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.SATURDAY...Partly cloudy with slight chance of showers. Lows in
the lower 50s. Highs around 70.
$$
IDZ425-312215-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
1245 AM MDT Sun Aug 31 2025
.Today...
* Sky/weather........Sunny. Patchy smoke through the day. Haze in
the afternoon.
* Chc of thunder.....0 percent.
* Max Temperature....Around 85.
24 hr trend......3 degrees up.
* Min Humidity.......16-23 percent.
24 hr trend......3 percent down.
* 20ft winds.........East winds 4 to 8 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......10250-11250 ft AGL.
* Transport Winds....East around 10 mph.
.TONIGHT...
* Sky/weather........Clear. Patchy smoke in the evening. Haze
through the night. Areas of smoke after
midnight.
* Chc of thunder.....0 percent.
* Min Temperature....52-58.
24 hr trend......Little change.
* Max Humidity.......46-54 percent.
24 hr trend......6 percent down.
* 20ft winds.........East winds 4 to 8 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....East around 10 mph.
.LABOR DAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 87.
24 hr trend......2 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......11000-12000 ft AGL.
* Transport Winds....East around 15 mph shifting to the southeast
in the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 55 to 60. Highs around 90. East winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows 55 to 60. Highs in the upper 80s.
East winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows in the upper 50s. Highs in the
upper 80s. North winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
80s.
.SATURDAY...Partly cloudy with slight chance of showers. Lows in
the upper 50s. Highs in the lower 80s.
$$
IDZ427-312215-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
1245 AM MDT Sun Aug 31 2025
.Today...
* Sky/weather........Sunny. Haze and patchy smoke in the afternoon.
* Chc of thunder.....0 percent.
* Max Temperature....82-87 valleys and 75-82 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......15-23 percent.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 7 mph.
Ridges/upr slopes....East 4 to 7 mph. Gusts up to 15 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......10250-11250 ft AGL.
* Transport Winds....Southeast around 10 mph.
.TONIGHT...
* Sky/weather........Clear. Patchy smoke in the evening. Haze
through the night.
* Chc of thunder.....0 percent.
* Min Temperature....53-60.
24 hr trend......Little change.
* Max Humidity.......38-46 percent valleys and 28-36 percent
ridges.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 7 mph.
Ridges/upr slopes....Southeast 4 to 7 mph. Gusts up to 15 mph
after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Southeast around 10 mph.
.LABOR DAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....80-87.
24 hr trend......2 degrees up.
* Min Humidity.......16-23 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 6 mph.
Ridges/upr slopes....Southeast 4 to 6 mph. Gusts up to 15 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12000-13000 ft AGL.
* Transport Winds....South around 10 mph shifting to the southwest
in the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 56 to 63. Highs 82 to 89. Southeast winds
5 to 10 mph with gusts to around 15 mph.
.WEDNESDAY...Partly cloudy. Lows 55 to 62. Highs 79 to 86. East
winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 55 to 62. Highs 79 to 86. West
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 50s. Highs in the upper 70s.
$$
IDZ410-312215-
Upper Snake River Valley/Idaho Falls BLM-
1245 AM MDT Sun Aug 31 2025
.Today...
* Sky/weather........Sunny. Haze and patchy smoke.
* Chc of thunder.....0 percent.
* Max Temperature....77-84.
24 hr trend......3 degrees up.
* Min Humidity.......17-25 percent.
24 hr trend......2 percent down.
* 20ft winds.........East winds 4 to 6 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9750-10750 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Clear. Haze.
* Chc of thunder.....0 percent.
* Min Temperature....48-55.
24 hr trend......2 degrees up.
* Max Humidity.......52-60 percent.
24 hr trend......2 percent down.
* 20ft winds.........Northeast winds 4 to 7 mph. Gusts up to 15 mph
after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds becoming northeast around 10 mph
after midnight.
.LABOR DAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....79-86.
24 hr trend......2 degrees up.
* Min Humidity.......15-23 percent.
24 hr trend......2 percent down.
* 20ft winds.........Northeast winds 5 to 8 mph shifting to the
southeast 4 to 6 mph in the afternoon. Gusts
up to 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......11000-12000 ft AGL.
* Transport Winds....East around 10 mph shifting to the south in
the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 49 to 56. Highs 81 to 88. Northeast winds
5 to 10 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 50 to 57. Highs 80 to 87. Northeast
winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 50 to 57. Highs 79 to 86. North
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Slight chance of showers. Lows in the
lower 50s. Highs in the lower 80s.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
$$
IDZ411-312215-
Centennial Mountains and Snake River Range/Targhee NF-
1245 AM MDT Sun Aug 31 2025
.Today...
* Sky/weather........Sunny. Haze and patchy smoke through the day.
* Chc of thunder.....0 percent.
* Max Temperature....Around 79 valleys and 69-76 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......21-29 percent.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 5 mph shifting to the west
around 4 mph in the afternoon.
Ridges/upr slopes....East 4 to 5 mph shifting to the west 4 to
6 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......8500-9500 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Clear. Haze and areas of smoke.
* Chc of thunder.....0 percent.
* Min Temperature....47-54.
24 hr trend......2 degrees up.
* Max Humidity.......63-71 percent valleys and 48-56 percent
ridges.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 7 mph.
Ridges/upr slopes....Northeast 4 to 7 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds becoming east around 10 mph after
midnight.
.LABOR DAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 82 valleys and 72-79 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......19-27 percent.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph shifting to the
southwest around 4 mph in the afternoon.
Ridges/upr slopes....East 4 to 7 mph shifting to the south 4 to
6 mph in the afternoon. Gusts up to 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......10750-11750 ft AGL.
* Transport Winds....East around 10 mph in the morning becoming
light.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 47 to 54. Highs 73 to 80. North winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Clear. Lows 48 to 55. Highs 71 to 78. North winds
5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 46 to 53. Highs 70 to 77. North
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows around 50. Highs in the lower 70s.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows around 50. Highs around 70.
$$
IDZ413-312215-
Caribou Range/Caribou NF-
1245 AM MDT Sun Aug 31 2025
.Today...
* Sky/weather........Sunny. Haze and patchy smoke through the day.
* Chc of thunder.....0 percent.
* Max Temperature....78-85 valleys and 70-77 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......16-24 percent.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 5 mph.
Ridges/upr slopes....East 4 to 5 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......10000-11000 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Clear. Haze and patchy smoke.
* Chc of thunder.....0 percent.
* Min Temperature....48-55.
24 hr trend......2 degrees up.
* Max Humidity.......47-55 percent valleys and 42-50 percent
ridges.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph.
Ridges/upr slopes....Northeast 4 to 5 mph shifting to the east
4 to 7 mph with gusts to around 15 mph
after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds becoming east around 10 mph after
midnight.
.LABOR DAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....80-87 valleys and 73-80 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......17-25 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 5 mph shifting to the south in
the afternoon.
Ridges/upr slopes....Southeast 4 to 7 mph shifting to the south
4 to 6 mph in the afternoon. Gusts up to
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......11250-12250 ft AGL.
* Transport Winds....Southeast around 10 mph shifting to the south
in the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 49 to 56. Highs 78 to 85. East winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows 50 to 57. Highs 77 to 84.
Northeast winds 5 to 10 mph with gusts to around 20 mph.
.THURSDAY...Mostly clear. Lows 50 to 57. Highs 76 to 83. North
winds 5 to 10 mph with gusts to around 20 mph.
.FRIDAY...Mostly clear. Lows in the lower 50s. Highs in the upper
70s.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the mid 50s. Highs in the mid
70s.
$$
.OUTLOOK FOR SUNDAY SEPTEMBER 7 THROUGH SATURDAY SEPTEMBER 13...
Above normal temperatures and precipitation.
$$