Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
896
FNUS55 KPIH 310821
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
221 AM MDT Sun May 31 2026
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
A low pressure system will slowly pull away from the area. Light
rain showers are expected for parts of central Idaho today and
Monday. Mostly dry weather with gradually warming temperatures is
expected for the rest of the week.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
A low pressure system will slowly pull away from the area. Light
rain showers are expected for parts of east Idaho today and
Monday. Mostly dry weather with gradually warming temperatures is
expected for the rest of the week.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
A low pressure system will slowly pull away from the area. Dry and
breezy conditions are expected for most of south Idaho today. Mostly
dry weather with gradually warming temperatures is expected for
the rest of the week.
IDZ475-312215-
East Salmon River Mountains/Salmon NF-
221 AM MDT Sun May 31 2026
.Today...
* Sky/weather........Cloudy then becoming partly cloudy. Chance of
rain and snow in the morning.
* Chc of thunder.....0 percent.
* Max Temperature....51-58.
24 hr trend......2 degrees up.
* Min Humidity.......36-44 percent.
24 hr trend......17 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 9 mph.
Ridges/upr slopes....Northwest 5 to 10 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......8500-9500 ft AGL.
* Transport Winds....Northwest around 10 mph.
.TONIGHT...
* Sky/weather........Partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....32-39.
24 hr trend......3 degrees down.
* Max Humidity.......74-82 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...North 5 to 10 mph.
Ridges/upr slopes....North 5 to 10 mph. Gusts up to 20 mph in
the evening.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....North around 10 mph in the evening becoming
light.
.MONDAY...
* Sky/weather........Partly cloudy. Chance of rain showers and
slight chance of thunderstorms in the
afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....57-64 valleys and 49-56 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......35-43 percent valleys and 39-47 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming northwest 4 to 7 mph
in the afternoon.
Ridges/upr slopes....North 4 to 5 mph shifting to the west 4 to
9 mph with gusts to around 15 mph in the
afternoon.
* Chc Wetting Rain...20 percent.
* Mixing Height......10750-11750 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.TUESDAY...Partly cloudy. Chance of rain. Lows 33 to 40. Highs
57 to 64. West winds 10 to 15 mph with gusts to around 20 mph.
.WEDNESDAY...Mostly clear. Lows 37 to 44. Highs 64 to 71.
Southwest winds 10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 41 to 48. Highs 62 to 69. West winds 10 to
15 mph with gusts to around 20 mph.
.FRIDAY...Mostly clear. Slight chance of rain. Lows in the lower
40s. Highs in the upper 60s.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs around 70.
$$
IDZ476-312215-
Lemhi and Lost River Range/Challis NF-
221 AM MDT Sun May 31 2026
.Today...
* Sky/weather........Cloudy then becoming partly cloudy. Chance of
rain showers and slight chance of
thunderstorms in the afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....55-62 valleys and 45-52 ridges.
24 hr trend......Little change.
* Min Humidity.......38-46 percent valleys and 49-57 percent
ridges.
24 hr trend......15 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 9 mph.
Ridges/upr slopes....Northwest 4 to 9 mph with gusts to around
20 mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......9000-10000 ft AGL.
* Transport Winds....Northwest around 10 mph.
.TONIGHT...
* Sky/weather........Partly cloudy. Slight chance of rain in the
evening.
* Chc of thunder.....0 percent.
* Min Temperature....32-39.
24 hr trend......4 degrees down.
* Max Humidity.......77-85 percent.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 9 mph.
Ridges/upr slopes....Northwest 4 to 9 mph. Gusts up to 15 mph
in the evening.
* Chc Wetting Rain...10 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....North around 10 mph in the evening becoming
light.
.MONDAY...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
Chance of rain and slight chance of snow in
the morning. Chance of rain showers, snow
showers and slight chance of thunderstorms in
the afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....58-65 valleys and 46-53 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......37-45 percent valleys and 48-56 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming west 4 to 6 mph in
the afternoon.
Ridges/upr slopes....West 4 to 9 mph with gusts to around 15
mph.
* Chc Wetting Rain...20 percent.
* Mixing Height......9500-10500 ft AGL.
* Transport Winds....Light winds becoming west around 15 mph in the
afternoon.
.Forecast days 3 through 7......
.TUESDAY...Partly cloudy. Lows 32 to 39. Highs 57 to 64. West
winds 10 to 20 mph with gusts to around 25 mph.
.WEDNESDAY...Mostly clear. Lows 35 to 42. Highs 62 to 69. West
winds 10 to 20 mph with gusts to around 25 mph.
.THURSDAY...Partly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 40 to 47. Highs 62 to 69. Southwest winds
10 to 20 mph with gusts to around 30 mph.
.FRIDAY...Mostly clear. Slight chance of rain. Lows in the lower
40s. Highs in the upper 60s.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs around 70.
$$
IDZ422-312215-
Sawtooth Range/Northern Sawtooth NF-
221 AM MDT Sun May 31 2026
.Today...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....60-67 valleys and 48-55 ridges.
24 hr trend......Little change.
* Min Humidity.......26-34 percent valleys and 38-46 percent
ridges.
24 hr trend......15 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 10 to 15 mph.
Ridges/upr slopes....West 10 to 15 mph with gusts to around 15
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9000-10000 ft AGL.
* Transport Winds....Northwest around 10 mph.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....32-39.
24 hr trend......2 degrees down.
* Max Humidity.......73-81 percent.
24 hr trend......10 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 9 to 14 mph shifting to the north 4
to 6 mph after midnight.
Ridges/upr slopes....Northwest 6 to 9 mph with gusts to around
15 mph shifting to the northeast 4 to 6
mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....West around 10 mph in the evening becoming
light.
.MONDAY...
* Sky/weather........Mostly sunny then becoming partly cloudy.
Chance of rain showers and slight chance of
thunderstorms in the afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....61-68 valleys and 47-54 ridges.
24 hr trend......Little change.
* Min Humidity.......27-35 percent valleys and 42-50 percent
ridges.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 6 mph shifting to the
southwest 6 to 11 mph in the afternoon.
Ridges/upr slopes....South 4 to 6 mph shifting to the southwest
4 to 9 mph in the afternoon. Gusts up to
15 mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......11750-12750 ft AGL.
* Transport Winds....Light winds becoming west around 15 mph in the
afternoon.
.Forecast days 3 through 7......
.TUESDAY...Mostly clear. Lows 33 to 40. Highs 61 to 68. West
winds 10 to 15 mph with gusts to around 25 mph.
.WEDNESDAY...Mostly clear. Lows 37 to 44. Highs 66 to 73. West
winds 10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Partly cloudy. Slight chance of rain. Lows 42 to 49.
Highs 64 to 71. West winds 10 to 20 mph with gusts to around
30 mph.
.FRIDAY...Clear. Lows in the lower 40s. Highs in the lower 70s.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
$$
IDZ425-312215-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
221 AM MDT Sun May 31 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 70.
24 hr trend......Little change.
* Min Humidity.......15-23 percent.
24 hr trend......13 percent down.
* 20ft winds.........West winds 7 to 17 mph with gusts to around 25
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......7750-8750 ft AGL.
* Transport Winds....West 15 to 20 mph.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....Around 40.
24 hr trend......3 degrees down.
* Max Humidity.......64-72 percent.
24 hr trend......Little change.
* 20ft winds.........West winds 10 to 15 mph with gusts to around
20 mph shifting to the southeast 4 to 6 mph
after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....West around 15 mph shifting to the east after
midnight.
.MONDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....70-75.
24 hr trend......3 degrees up.
* Min Humidity.......18-24 percent.
24 hr trend......5 percent up.
* 20ft winds.........Southeast winds 4 to 5 mph shifting to the
west 6 to 11 mph with gusts to around 20 mph
in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......12250-13250 ft AGL.
* Transport Winds....Southeast around 10 mph shifting to the west
in the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows in the lower 40s. Highs 76 to 81. West
winds 10 to 15 mph with gusts to around 25 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 40s. Highs in the
lower 80s. North winds 10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Partly cloudy. Lows around 50. Highs in the lower
80s. West winds 10 to 20 mph with gusts to around 30 mph.
.FRIDAY...Clear. Lows in the upper 40s. Highs in the lower 80s.
.SATURDAY...Mostly clear. Lows around 50. Highs in the mid 80s.
$$
IDZ427-312215-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
221 AM MDT Sun May 31 2026
.Today...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....68-73 valleys and 59-66 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......14-20 percent valleys and 17-25 percent
ridges.
24 hr trend......7 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 11 to 16 mph.
Ridges/upr slopes....West 11 to 16 mph with gusts to around 25
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9250-10250 ft AGL.
* Transport Winds....West around 15 mph.
.TONIGHT...
* Sky/weather........Clear then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....39-46.
24 hr trend......Little change.
* Max Humidity.......41-49 percent.
24 hr trend......13 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 7 to 12 mph shifting to the
southwest 4 to 5 mph after midnight.
Ridges/upr slopes....Northwest 6 to 11 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.MONDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....69-75 valleys and 62-69 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......17-25 percent valleys and 22-30 percent
ridges.
24 hr trend......5 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 9 mph.
Ridges/upr slopes....Northwest 4 to 9 mph with gusts to around
15 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9500-10500 ft AGL.
* Transport Winds....West 10 to 15 mph.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 39 to 46. Highs 73 to 80. West winds 10 to
15 mph with gusts to around 20 mph.
.WEDNESDAY...Mostly clear. Lows 45 to 52. Highs 77 to 84.
Northwest winds 10 to 15 mph with gusts to around 20 mph.
.THURSDAY...Breezy. Partly cloudy. Lows 49 to 56. Highs 73 to 80.
West winds 15 to 25 mph with gusts to around 30 mph.
.FRIDAY...Clear. Lows in the upper 40s. Highs in the lower 80s.
.SATURDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
80s.
$$
IDZ410-312215-
Upper Snake River Valley/Idaho Falls BLM-
221 AM MDT Sun May 31 2026
.Today...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
Chance of rain in the morning. Chance of
showers and thunderstorms in the afternoon.
* Chc of thunder.....30 percent.
* Max Temperature....59-66.
24 hr trend......3 degrees up.
* Min Humidity.......38-46 percent.
24 hr trend......15 percent down.
* 20ft winds.........Southwest winds 7 to 12 mph with gusts to
around 20 mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......8000-9000 ft AGL.
* Transport Winds....West 10 to 15 mph.
.TONIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....Around 37.
24 hr trend......4 degrees down.
* Max Humidity.......74-82 percent.
24 hr trend......10 percent down.
* 20ft winds.........West winds 8 to 11 mph with gusts to around 20
mph shifting to the northeast 4 to 6 mph after
midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....West around 10 mph shifting to the northeast
after midnight.
.MONDAY...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....62-69.
24 hr trend......4 degrees up.
* Min Humidity.......31-39 percent.
24 hr trend......8 percent down.
* 20ft winds.........East winds 4 to 6 mph shifting to the
southwest 4 to 9 mph with gusts to around 20
mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11750-12750 ft AGL.
* Transport Winds....Light winds becoming southwest around 15 mph
in the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Mostly clear. Lows in the upper 30s. Highs 67 to 74.
Southwest winds 10 to 15 mph with gusts to around 25 mph.
.WEDNESDAY...Mostly clear. Lows 40 to 45. Highs 73 to 80. South
winds 10 to 15 mph with gusts to around 25 mph.
.THURSDAY...Partly cloudy. Lows 43 to 49. Highs 71 to 78.
Southwest winds 10 to 20 mph with gusts to around 30 mph.
.FRIDAY...Clear. Lows in the mid 40s. Highs in the upper 70s.
.SATURDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 80s.
$$
IDZ411-312215-
Centennial Mountains and Snake River Range/Targhee NF-
221 AM MDT Sun May 31 2026
.Today...
* Sky/weather........Mostly cloudy. Patchy fog in the morning. Rain
showers likely and slight chance of snow in
the morning, then chance of showers and
thunderstorms in the afternoon.
* Chc of thunder.....50 percent.
* Max Temperature....54-61 valleys and 46-53 ridges.
24 hr trend......Little change.
* Min Humidity.......50-58 percent valleys and 63-71 percent
ridges.
24 hr trend......12 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 9 mph.
Ridges/upr slopes....West 4 to 9 mph with gusts to around 20
mph.
* Chc Wetting Rain...20 percent.
* Mixing Height......5500-6500 ft AGL.
* Transport Winds....West 10 to 15 mph.
.TONIGHT...
* Sky/weather........Mostly cloudy then becoming mostly clear.
Chance of rain showers and slight chance of
thunderstorms in the evening.
* Chc of thunder.....20 percent.
* Min Temperature....31-37.
24 hr trend......4 degrees down.
* Max Humidity.......81-89 percent valleys and 74-82 percent
ridges.
24 hr trend......12 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 6 mph shifting to the
northeast around 4 mph after midnight.
Ridges/upr slopes....Northwest 4 to 7 mph shifting to the
northeast 4 to 6 mph after midnight. Gusts
up to 15 mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.MONDAY...
* Sky/weather........Partly cloudy. Chance of rain showers and
slight chance of thunderstorms in the
afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....Around 64 valleys and 53-60 ridges.
24 hr trend......7 degrees up.
* Min Humidity.......36-44 percent valleys and 46-54 percent
ridges.
24 hr trend......21 percent down.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming southwest 4 to 7 mph
in the afternoon.
Ridges/upr slopes....South 4 to 9 mph with gusts to around 20
mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......9750-10750 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.Forecast days 3 through 7......
.TUESDAY...Mostly clear. Lows 33 to 40. Highs 57 to 64. South
winds 10 to 20 mph with gusts to around 25 mph.
.WEDNESDAY...Clear. Lows 37 to 44. Highs 63 to 70. Southeast
winds 10 to 20 mph with gusts to around 25 mph.
.THURSDAY...Partly cloudy. Slight chance of showers and
thunderstorms. Lows 40 to 47. Highs 63 to 70. South winds 10 to
15 mph with gusts to around 25 mph.
.FRIDAY...Clear. Lows in the lower 40s. Highs in the upper 60s.
.SATURDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
70s.
$$
IDZ413-312215-
Caribou Range/Caribou NF-
221 AM MDT Sun May 31 2026
.Today...
* Sky/weather........Partly cloudy then becoming sunny. Chance of
rain in the morning.
* Chc of thunder.....0 percent.
* Max Temperature....62-69 valleys and 54-61 ridges.
24 hr trend......6 degrees up.
* Min Humidity.......23-31 percent valleys and 30-38 percent
ridges.
24 hr trend......20 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 6 to 11 mph.
Ridges/upr slopes....West 7 to 12 mph with gusts to around 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9750-10750 ft AGL.
* Transport Winds....West 10 to 15 mph.
.TONIGHT...
* Sky/weather........Clear then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....36-43.
24 hr trend......Little change.
* Max Humidity.......51-59 percent.
24 hr trend......19 percent down.
* 20ft winds.........
Valleys/lwr slopes...Northwest 7 to 10 mph shifting to the
northeast 4 to 5 mph after midnight.
Ridges/upr slopes....West 7 to 10 mph with gusts to around 15
mph shifting to the south 4 to 6 mph after
midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....West around 10 mph in the evening becoming
light.
.MONDAY...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....65-72 valleys and 57-64 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......27-35 percent valleys and 34-42 percent
ridges.
24 hr trend......5 percent up.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 6 mph shifting to the west 5 to
8 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 6 mph shifting to the west
6 to 9 mph in the afternoon. Gusts up to
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9750-10750 ft AGL.
* Transport Winds....South around 10 mph shifting to the southwest
in the afternoon.
.Forecast days 3 through 7......
.TUESDAY...Clear. Lows 37 to 44. Highs 69 to 76. Northwest winds
10 to 15 mph with gusts to around 20 mph.
.WEDNESDAY...Clear. Lows 41 to 48. Highs 72 to 79. Northeast
winds 10 to 15 mph with gusts to around 20 mph.
.THURSDAY...Partly cloudy. Lows 45 to 52. Highs 72 to 79. South
winds 10 to 15 mph with gusts to around 25 mph.
.FRIDAY...Clear. Lows in the mid 40s. Highs in the mid 70s.
.SATURDAY...Clear. Lows in the upper 40s. Highs in the upper 70s.
$$
.OUTLOOK FOR June 7th-June 13th: ABOVE AVERAGE TEMPERATURES and
BELOW AVERAGE PRECIPITATION.
$$