Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
886
FNUS55 KPIH 010846
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
246 AM MDT Mon Sep 1 2025
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
High pressure will bring mostly clear skies, warmer temperatures,
dry conditions, and overall light winds early this week. Relative
humidity will be critical to near critical the next couple of
days. By mid week, monsoon moisture starts to work its way back
into the area bringing back shower and thunderstorm chances by
late week and, especially, the weekend.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
High pressure will bring mostly clear skies, warmer temperatures,
dry conditions, and overall light winds early this week. Relative
humidity will be critical to near critical the next couple of
days. By mid week, monsoon moisture starts to work its way back
into the area bringing back shower and thunderstorm chances by
late week and, especially, the weekend.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
High pressure will bring mostly clear skies, warmer temperatures,
dry conditions, and overall light winds early this week. Relative
humidity will be critical to near critical the next couple of
days. By mid week, monsoon moisture starts to work its way back
into the area bringing back shower and thunderstorm chances by
late week and, especially, the weekend.
IDZ475-012230-
East Salmon River Mountains/Salmon NF-
246 AM MDT Mon Sep 1 2025
.Today...
* Sky/weather........Mostly sunny then becoming partly cloudy.
Areas of smoke through the day.
* Chc of thunder.....0 percent.
* Max Temperature....79-86 valleys and 70-77 ridges.
24 hr trend......3 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......13000-14000 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....51-58.
24 hr trend......2 degrees up.
* Max Humidity.......36-44 percent valleys and 32-40 percent
ridges.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph shifting to the
southeast 4 to 5 mph after midnight.
Ridges/upr slopes....Northeast 4 to 5 mph shifting to the
southeast after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....80-87 valleys and 70-77 ridges.
24 hr trend......Little change.
* Min Humidity.......13-18 percent valleys and 15-22 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...South around 4 mph shifting to the
northwest 4 to 5 mph in the afternoon.
Ridges/upr slopes....South 4 to 5 mph shifting to the northwest
4 to 6 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12750-13750 ft AGL.
* Transport Winds....Light winds.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 51 to 58. Highs 75 to 82.
Northeast winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 51 to 58. Highs 74 to 81. West
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 50 to 57. Highs 71 to 78. West winds 5 to
10 mph with gusts to around 15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
upper 60s.
.SUNDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
$$
IDZ476-012230-
Lemhi and Lost River Range/Challis NF-
246 AM MDT Mon Sep 1 2025
.Today...
* Sky/weather........Mostly sunny. Patchy smoke through the day.
* Chc of thunder.....0 percent.
* Max Temperature....79-86 valleys and 68-75 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......13-20 percent valleys and 18-26 percent
ridges.
24 hr trend......Little change.
* 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......12500-13500 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....51-58.
24 hr trend......3 degrees up.
* Max Humidity.......37-45 percent valleys and 31-39 percent
ridges.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph shifting to the south
4 to 5 mph after midnight.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the south
after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....80-87 valleys and 69-76 ridges.
24 hr trend......Little change.
* Min Humidity.......13-18 percent valleys and 16-24 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southwest around 4 mph shifting to the
north 4 to 6 mph in the afternoon.
Ridges/upr slopes....West 4 to 5 mph shifting to the north 4 to
7 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12500-13500 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly clear. Lows 49 to 56. Highs 74 to 81. North
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. Slight chance of showers and
thunderstorms. Lows 48 to 55. Highs 69 to 76. Northwest winds
5 to 10 mph with gusts to around 15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the lower 50s. Highs in the
upper 60s.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
$$
IDZ422-012230-
Sawtooth Range/Northern Sawtooth NF-
246 AM MDT Mon Sep 1 2025
.Today...
* Sky/weather........Sunny. Patchy smoke through the day.
* Chc of thunder.....0 percent.
* Max Temperature....80-87 valleys and 70-77 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......16-24 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northeast 5 to 8 mph shifting to the
southeast 4 to 6 mph in the afternoon.
Ridges/upr slopes....South 4 to 6 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......12500-13500 ft AGL.
* Transport Winds....East around 10 mph in the morning becoming
light.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....51-58.
24 hr trend......4 degrees up.
* Max Humidity.......35-43 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 6 mph shifting to the north 4 to
7 mph after midnight.
Ridges/upr slopes....Southwest 4 to 5 mph shifting to the
southeast 4 to 6 mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....81-88 valleys and 70-77 ridges.
24 hr trend......Little change.
* Min Humidity.......15-23 percent valleys and 19-27 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...North 5 to 8 mph shifting to the south 4
to 6 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the
northwest 4 to 5 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12750-13750 ft AGL.
* Transport Winds....Light winds.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 51 to 58. Highs 76 to 83.
Northeast winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 50 to 57. Highs 73 to 80.
Northwest winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Lows 50 to 57. Highs 71 to 78. West
winds 5 to 10 mph with gusts to around 15 mph.
.SATURDAY...Partly cloudy with chance of showers. Lows in the
lower 50s. Highs around 70.
.SUNDAY...Partly cloudy with chance of showers. Lows in the upper
40s. Highs in the upper 60s.
$$
IDZ425-012230-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
246 AM MDT Mon Sep 1 2025
.Today...
* Sky/weather........Sunny. Patchy smoke through the day.
* Chc of thunder.....0 percent.
* Max Temperature....Around 90.
24 hr trend......5 degrees up.
* Min Humidity.......13-21 percent.
24 hr trend......2 percent up.
* 20ft winds.........East winds 4 to 9 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......12250-13250 ft AGL.
* Transport Winds....East around 10 mph shifting to the southwest
in the afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....55-60.
24 hr trend......3 degrees up.
* Max Humidity.......44-52 percent.
24 hr trend......3 percent down.
* 20ft winds.........East 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.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 92.
24 hr trend......Little change.
* Min Humidity.......14-21 percent.
24 hr trend......Little change.
* 20ft winds.........East winds 4 to 8 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......13500-14500 ft AGL.
* Transport Winds....Northeast around 10 mph.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 56 to 61. Highs around 90. East
winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 55 to 60. Highs in the upper 80s.
West winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 80s. Northeast winds 5 to 10 mph with gusts to around
15 mph.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
.SUNDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs around 80.
$$
IDZ427-012230-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
246 AM MDT Mon Sep 1 2025
.Today...
* Sky/weather........Sunny. Patchy smoke in the morning. Isolated
showers and thunderstorms in the afternoon.
* Chc of thunder.....0 percent.
* Max Temperature....Around 90 valleys and 80-87 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......14-22 percent.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 7 mph.
Ridges/upr slopes....South 4 to 7 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......13750-14750 ft AGL.
* Transport Winds....South around 10 mph shifting to the southwest
in the afternoon.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....57-64.
24 hr trend......4 degrees up.
* Max Humidity.......39-47 percent valleys and 33-41 percent
ridges.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 6 mph.
Ridges/upr slopes....South 4 to 7 mph. Gusts up to 15 mph in
the evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....South around 10 mph.
.TUESDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 90 valleys and 80-87 ridges.
24 hr trend......Little change.
* Min Humidity.......15-22 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the
northeast 4 to 7 mph in the afternoon.
Ridges/upr slopes....South 4 to 6 mph shifting to the east with
gusts to around 15 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......13000-14000 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Partly cloudy. Lows 56 to 63. Highs 82 to 89.
Northeast winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Mostly clear. Lows 56 to 63. Highs 80 to 87. West
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 55 to 62. Highs 78 to 85. Southwest winds
5 to 10 mph with gusts to around 15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 50s. Highs in the
upper 70s.
.SUNDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 50s. Highs in the mid 70s.
$$
IDZ410-012230-
Upper Snake River Valley/Idaho Falls BLM-
246 AM MDT Mon Sep 1 2025
.Today...
* Sky/weather........Sunny. Patchy smoke through the day.
* Chc of thunder.....0 percent.
* Max Temperature....82-89.
24 hr trend......5 degrees up.
* Min Humidity.......14-22 percent.
24 hr trend......Little change.
* 20ft winds.........Northeast winds 5 to 8 mph with gusts to
around 15 mph shifting to the south 4 to 6 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11500-12500 ft AGL.
* Transport Winds....East around 10 mph in the morning becoming
light.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....50-57.
24 hr trend......2 degrees up.
* Max Humidity.......48-56 percent.
24 hr trend......3 percent down.
* 20ft winds.........Northeast winds 4 to 6 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....83-90.
24 hr trend......Little change.
* Min Humidity.......14-22 percent.
24 hr trend......Little change.
* 20ft winds.........Northeast winds 4 to 7 mph with gusts to
around 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......13250-14250 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 51 to 58. Highs 83 to 90. Northeast
winds 5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Clear. Lows 51 to 58. Highs 80 to 87. North winds
5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Lows 50 to 57. Highs 79 to 86. North
winds 5 to 10 mph with gusts to around 15 mph.
.SATURDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
.SUNDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
$$
IDZ411-012230-
Centennial Mountains and Snake River Range/Targhee NF-
246 AM MDT Mon Sep 1 2025
.Today...
* Sky/weather........Sunny. Patchy smoke through the day.
* Chc of thunder.....0 percent.
* Max Temperature....Around 85 valleys and 74-81 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......17-24 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph shifting to the
southwest 4 to 5 mph in the afternoon.
Ridges/upr slopes....East 4 to 7 mph shifting to the southwest
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
southwest in the afternoon.
.TONIGHT...
* Sky/weather........Mostly clear. Patchy smoke.
* Chc of thunder.....0 percent.
* Min Temperature....48-55.
24 hr trend......Little change.
* Max Humidity.......59-67 percent valleys and 44-52 percent
ridges.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph.
Ridges/upr slopes....Northeast 4 to 6 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 85 valleys and 74-81 ridges.
24 hr trend......Little change.
* Min Humidity.......18-25 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 5 mph shifting to the west
in the afternoon.
Ridges/upr slopes....Northeast 4 to 5 mph shifting to the
northwest 4 to 6 mph with gusts to around
15 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11750-12750 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Clear. Lows 47 to 54. Highs 74 to 81. North winds
5 to 10 mph with gusts to around 15 mph.
.THURSDAY...Clear. Lows 48 to 55. Highs 71 to 78. North winds
5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows 47 to 54. Highs 69 to 76. North winds 5 to
10 mph with gusts to around 15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the upper 40s. Highs in the
lower 70s.
.SUNDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
$$
IDZ413-012230-
Caribou Range/Caribou NF-
246 AM MDT Mon Sep 1 2025
.Today...
* Sky/weather........Sunny. Patchy smoke in the morning.
* Chc of thunder.....0 percent.
* Max Temperature....83-90 valleys and 76-83 ridges.
24 hr trend......6 degrees up.
* Min Humidity.......15-23 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the
southwest 4 to 6 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 7 mph shifting to the
southwest 4 to 6 mph in the afternoon.
Gusts up to 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......11750-12750 ft AGL.
* Transport Winds....Southeast around 10 mph shifting to the
southwest in the afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....51-58.
24 hr trend......3 degrees up.
* Max Humidity.......45-53 percent valleys and 40-48 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southwest 4 to 5 mph shifting to the east
after midnight.
Ridges/upr slopes....West 4 to 6 mph shifting to the east 4 to
5 mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds.
.TUESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....83-90 valleys and 76-83 ridges.
24 hr trend......Little change.
* Min Humidity.......15-22 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 5 mph shifting to the north 4 to
6 mph in the afternoon.
Ridges/upr slopes....East 4 to 6 mph shifting to the northwest
with gusts to around 15 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......13000-14000 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.Forecast days 3 through 7......
.WEDNESDAY...Mostly 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 51 to 58. Highs 78 to 85. North
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers. Lows 50 to 57.
Highs 76 to 83. South winds 5 to 10 mph with gusts to around
15 mph.
.SATURDAY...Partly cloudy with chance of showers and slight
chance of thunderstorms. Lows in the mid 50s. Highs in the mid
70s.
.SUNDAY...Partly cloudy with chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the lower 70s.
$$
.OUTLOOK FOR MONDAY SEPTEMBER 8 THROUGH SUNDAY SEPTEMBER 14...
Above normal temperatures and precipitation.
$$