Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
863
FNUS55 KPIH 020820
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
220 AM MDT Tue Sep 2 2025
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
...INCREASING CHANCE OF SHOWERS AND THUNDERSTORMS FOR MIDWEEK
AND BEYOND...
Through tomorrow, expect dry air to remain in place...including
moderate to poor overnight recovery. Mid levels COULD produce a
few sprinkles, but the risk of gusty winds is VERY LOW. Isolated
dry showers and thunderstorms will start increasing Wednesday
evening, with the better chance of wetter showers and
thunderstorms holding off until the weekend.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
...INCREASING CHANCE OF SHOWERS AND THUNDERSTORMS FOR MIDWEEK
AND BEYOND...
Through tomorrow, expect dry air to remain in place...including
moderate to poor overnight recovery. Mid levels COULD produce a
few sprinkles, but the risk of gusty winds is VERY LOW. Isolated
dry showers and thunderstorms will start increasing Wednesday
evening, with the better chance of wetter showers and
thunderstorms holding off until the weekend.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
...INCREASING CHANCE OF SHOWERS AND THUNDERSTORMS FOR MIDWEEK
AND BEYOND...
Through tomorrow, expect dry air to remain in place...including
moderate to poor overnight recovery. Mid levels COULD produce a
few sprinkles, but the risk of gusty winds is VERY LOW. Isolated
dry showers and thunderstorms will start increasing Wednesday
evening, with the better chance of wetter showers and
thunderstorms holding off until the weekend.
IDZ475-022230-
East Salmon River Mountains/Salmon NF-
220 AM MDT Tue Sep 2 2025
.Today...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....81-88 valleys and 72-79 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......13-20 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...South around 4 mph shifting to the
northwest 4 to 6 mph in the afternoon.
Ridges/upr slopes....Southwest 4 to 5 mph shifting to the
northwest 4 to 6 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......13750-14750 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Clear. Areas of smoke.
* Chc of thunder.....0 percent.
* Min Temperature....52-59.
24 hr trend......Little change.
* Max Humidity.......36-44 percent.
24 hr trend......3 percent up.
* 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......0-1000 ft AGL.
* Transport Winds....Light winds.
.WEDNESDAY...
* Sky/weather........Sunny. Areas of smoke in the morning.
* Chc of thunder.....0 percent.
* Max Temperature....81-88 valleys and 71-78 ridges.
24 hr trend......Little change.
* Min Humidity.......14-21 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southeast around 4 mph shifting to the
northwest 4 to 6 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 5 mph shifting to the
northwest 4 to 6 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12250-13250 ft AGL.
* Transport Winds....Light winds.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 52 to 59. Highs 74 to 81. West
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Lows 49 to 56. Highs 71 to 78. East winds
5 to 10 mph with gusts to around 15 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 49 to 56. Highs 64 to 71. Southwest winds
5 to 10 mph with gusts to around 15 mph.
.SUNDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows around 50. Highs in the mid 60s.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
$$
IDZ476-022230-
Lemhi and Lost River Range/Challis NF-
220 AM MDT Tue Sep 2 2025
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....81-88 valleys and 71-78 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......13-18 percent valleys and 15-22 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southwest around 4 mph shifting to the
north in the afternoon.
Ridges/upr slopes....West 4 to 5 mph shifting to the north 5 to
8 mph with gusts to around 15 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......13250-14250 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.TONIGHT...
* Sky/weather........Clear. Areas of smoke after midnight.
* Chc of thunder.....0 percent.
* Min Temperature....51-58.
24 hr trend......Little change.
* Max Humidity.......38-46 percent valleys and 34-42 percent
ridges.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 7 mph shifting to the east 4 to
6 mph after midnight.
Ridges/upr slopes....Northeast 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....North around 10 mph in the evening becoming
light.
.WEDNESDAY...
* Sky/weather........Sunny. Areas of smoke in the morning.
* Chc of thunder.....0 percent.
* Max Temperature....81-88 valleys and 70-77 ridges.
24 hr trend......Little change.
* Min Humidity.......14-20 percent valleys and 17-24 percent
ridges.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the
northwest 4 to 7 mph in the afternoon.
Ridges/upr slopes....West 4 to 6 mph shifting to the northwest
4 to 7 mph with gusts to around 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12000-13000 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.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. Chance of showers and thunderstorms.
Lows 47 to 54. Highs 70 to 77. North winds 5 to 10 mph with gusts
to around 20 mph.
.SATURDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 48 to 55. Highs 63 to 70. Southwest winds
5 to 10 mph with gusts to around 15 mph.
.SUNDAY...Mostly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the upper 40s. Highs in the mid 60s.
$$
IDZ422-022230-
Sawtooth Range/Northern Sawtooth NF-
220 AM MDT Tue Sep 2 2025
.Today...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....83-90 valleys and 72-79 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......13-20 percent valleys and 16-24 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...North 5 to 8 mph shifting to the east 4 to
5 mph in the afternoon.
Ridges/upr slopes....Southwest 4 to 6 mph shifting to the north
4 to 5 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......13500-14500 ft AGL.
* Transport Winds....Light winds.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....52-59.
24 hr trend......Little change.
* Max Humidity.......38-46 percent valleys and 34-42 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 8 mph.
Ridges/upr slopes....Northeast 4 to 8 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds becoming northeast around 10 mph
after midnight.
.WEDNESDAY...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....82-89 valleys and 71-78 ridges.
24 hr trend......Little change.
* Min Humidity.......15-23 percent valleys and 19-27 percent
ridges.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northeast 5 to 8 mph shifting to the
southwest 4 to 6 mph in the afternoon.
Ridges/upr slopes....East 4 to 6 mph shifting to the west in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12750-13750 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 51 to 58. Highs 75 to 82.
Northwest winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 49 to 56. Highs 71 to 78. North winds 5 to
10 mph with gusts to around 15 mph.
.SATURDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 49 to 56. Highs 63 to 70. West winds 5 to
10 mph with gusts to around 15 mph.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 40s. Highs in the upper 60s.
.MONDAY...Partly cloudy with chance of showers. Lows in the upper
40s. Highs in the mid 60s.
$$
IDZ425-022230-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
220 AM MDT Tue Sep 2 2025
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 93.
24 hr trend......5 degrees up.
* Min Humidity.......13-18 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......13000-14000 ft AGL.
* Transport Winds....Northeast around 10 mph.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....56-62.
24 hr trend......Little change.
* Max Humidity.......41-49 percent.
24 hr trend......Little change.
* 20ft winds.........Northeast winds 4 to 8 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.
.WEDNESDAY...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 92.
24 hr trend......2 degrees down.
* Min Humidity.......13-21 percent.
24 hr trend......3 percent up.
* 20ft winds.........East winds 4 to 8 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......12750-13750 ft AGL.
* Transport Winds....Northeast around 10 mph shifting to the north
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows in the upper 50s. Highs around 90.
Northwest winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Lows in the upper 50s. Highs in the mid
80s. Northeast winds 5 to 10 mph with gusts to around 15 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the upper 50s. Highs in the upper 70s.
Southwest winds 5 to 10 mph with gusts to around 15 mph.
.SUNDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the mid 50s. Highs in the upper 70s.
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the upper 70s.
$$
IDZ427-022230-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
220 AM MDT Tue Sep 2 2025
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 92 valleys and 82-89 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......13-18 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...East 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 north 4
to 7 mph with gusts to around 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......13500-14500 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....57-64.
24 hr trend......Little change.
* Max Humidity.......36-44 percent valleys and 27-35 percent
ridges.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 7 mph shifting to the southeast
4 to 6 mph after midnight.
Ridges/upr slopes....East 4 to 8 mph. Gusts up to 15 mph in the
evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Light winds.
.WEDNESDAY...
* Sky/weather........Partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....88-93 valleys and 81-88 ridges.
24 hr trend......Little change.
* Min Humidity.......14-21 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 5 mph shifting to the north 4 to
7 mph in the afternoon.
Ridges/upr slopes....North 4 to 7 mph. Gusts up to 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12750-13750 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Partly cloudy. Lows 56 to 63. Highs 82 to 89. West
winds 5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 56 to 63. Highs 77 to 84. Southwest winds
5 to 10 mph with gusts to around 15 mph.
.SATURDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 54 to 61. Highs 70 to 77. Southwest winds
5 to 10 mph with gusts to around 15 mph.
.SUNDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the mid 50s. Highs in the mid 70s.
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
$$
IDZ410-022230-
Upper Snake River Valley/Idaho Falls BLM-
220 AM MDT Tue Sep 2 2025
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....85-92.
24 hr trend......5 degrees up.
* Min Humidity.......12-17 percent.
24 hr trend......Little change.
* 20ft winds.........Northeast winds 4 to 6 mph. Gusts up to 15 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......13500-14500 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....51-58.
24 hr trend......Little change.
* Max Humidity.......46-54 percent.
24 hr trend......2 percent down.
* 20ft winds.........Northeast winds 4 to 8 mph with gusts to
around 15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......0-1000 ft AGL.
* Transport Winds....Northeast around 10 mph.
.WEDNESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....84-91.
24 hr trend......Little change.
* Min Humidity.......13-21 percent.
24 hr trend......2 percent up.
* 20ft winds.........North winds 4 to 8 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......12250-13250 ft AGL.
* Transport Winds....North around 10 mph.
.Forecast days 3 through 7......
.THURSDAY...Clear. Lows 51 to 58. Highs 82 to 89. North winds
5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Lows 50 to 57. Highs 78 to 85. Northeast
winds 10 to 15 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 50 to 56. Highs 71 to 78. South winds 5 to
10 mph with gusts to around 20 mph.
.SUNDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows in the lower 50s. Highs in the mid 70s.
.MONDAY...Partly cloudy with slight chance of showers and
thunderstorms. Lows around 50. Highs in the mid 70s.
$$
IDZ411-022230-
Centennial Mountains and Snake River Range/Targhee NF-
220 AM MDT Tue Sep 2 2025
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 87 valleys and 77-84 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......15-21 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 5 mph shifting to the
northwest in the afternoon.
Ridges/upr slopes....North 4 to 6 mph. Gusts up to 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11500-12500 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....49-56.
24 hr trend......Little change.
* Max Humidity.......56-64 percent valleys and 43-51 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph.
Ridges/upr slopes....Northeast 4 to 6 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Northeast around 10 mph.
.WEDNESDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 86 valleys and 75-82 ridges.
24 hr trend......Little change.
* Min Humidity.......18-26 percent.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 5 mph shifting to the
northwest in the afternoon.
Ridges/upr slopes....Northeast 4 to 6 mph shifting to the
northwest with gusts to around 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11000-12000 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Clear. Lows 48 to 55. Highs 73 to 80. North winds
5 to 10 mph with gusts to around 15 mph.
.FRIDAY...Mostly clear. Lows 45 to 52. Highs 69 to 76. North
winds 10 to 15 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 46 to 53. Highs 65 to 72. Southeast winds
5 to 10 mph with gusts to around 15 mph.
.SUNDAY...Mostly cloudy with chance of showers and thunderstorms.
Lows in the upper 40s. Highs in the mid 60s.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows in the mid 40s. Highs in the mid 60s.
$$
IDZ413-022230-
Caribou Range/Caribou NF-
220 AM MDT Tue Sep 2 2025
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....86-93 valleys and 78-85 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......13-18 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 5 mph shifting to the north 4 to
7 mph in the afternoon.
Ridges/upr slopes....East 4 to 6 mph shifting to the northwest
5 to 8 mph with gusts to around 15 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......13250-14250 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.TONIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....51-58.
24 hr trend......Little change.
* Max Humidity.......43-51 percent valleys and 39-47 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 7 mph.
Ridges/upr slopes....Northeast 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....North around 10 mph in the evening becoming
light.
.WEDNESDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....85-92 valleys and 77-84 ridges.
24 hr trend......Little change.
* Min Humidity.......13-21 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph.
Ridges/upr slopes....East 4 to 6 mph shifting to the north with
gusts to around 15 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12750-13750 ft AGL.
* Transport Winds....Light winds becoming north around 10 mph in
the afternoon.
.Forecast days 3 through 7......
.THURSDAY...Mostly clear. Lows 50 to 57. Highs 80 to 87. North
winds 5 to 10 mph with gusts to around 20 mph.
.FRIDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 50 to 57. Highs 76 to 83. Southeast winds
5 to 10 mph with gusts to around 20 mph.
.SATURDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 49 to 56. Highs 69 to 76. South winds 5 to
10 mph with gusts to around 20 mph.
.SUNDAY...Mostly cloudy. Chance of showers and thunderstorms.
Lows in the lower 50s. Highs in the lower 70s.
.MONDAY...Partly cloudy with chance of showers and slight chance
of thunderstorms. Lows around 50. Highs in the lower 70s.
$$
..OUTLOOK FOR SEPTEMBER TUESDAY the 9TH THROUGH MONDAY the 15TH:
BELOW AVERAGE temperatures and ABOVE AVERAGE precipitation.
$$