Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
831
FNUS55 KPIH 101919
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
119 PM MDT Thu Sep 10 2026
...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING FOR
FIRE WEATHER ZONE 410 FOR LOW HUMIDITY AND GUSTY WINDS......
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
...Wind and humidity approaching critical conditions today...
Low pressure moving through southern Canada will bring windy conditions
today that will combine with the very low afternoon humidity readings
to produce critical fire weather conditions. Cooler temperatures and
higher humidity readings will develop as early as Friday, reducing the
area of humidity below 15 percent, while gusty wind continues.
Showers and thunderstorms will bring humidity much higher and, by
Sunday, much cooler temperatures.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING
FOR FIRE WEATHER ZONE 410 FOR LOW HUMIDITY AND GUSTY WINDS...
Low pressure moving through southern Canada will bring windy conditions
today that will combine with the very low afternoon humidity readings
to produce critical fire weather conditions. Cooler temperatures and
higher humidity readings will develop as early as Friday, reducing the
area of humidity below 15 percent, while gusty wind continues.
Showers and thunderstorms will bring humidity much higher and, by
Sunday, much cooler temperatures.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
...Wind and humidity approaching critical conditions today...
Low pressure moving through southern Canada will bring windy conditions
today that will combine with the very low afternoon humidity readings
to produce critical fire weather conditions. Cooler temperatures and
higher humidity readings will develop as early as Friday, reducing the
area of humidity below 15 percent, while gusty wind continues.
Showers and thunderstorms will bring humidity much higher and, by
Sunday, much cooler temperatures.
IDZ475-111100-
East Salmon River Mountains/Salmon NF-
119 PM MDT Thu Sep 10 2026
.Tonight...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....41-48.
24 hr trend......Little change.
* Max Humidity.......57-65 percent.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southwest 8 to 13 mph.
Ridges/upr slopes....Southwest 8 to 13 mph with gusts to around
25 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.FRIDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....63-70 valleys and 55-62 ridges.
24 hr trend......7 degrees down.
* Min Humidity.......24-32 percent.
24 hr trend......5 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 6 to 11 mph.
Ridges/upr slopes....West 7 to 12 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.
.FRIDAY NIGHT...
* Sky/weather........Partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....37-44.
24 hr trend......4 degrees down.
* Max Humidity.......52-60 percent.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 7 mph shifting to the southeast
4 to 5 mph after midnight.
Ridges/upr slopes....West 4 to 9 mph with gusts to around 20
mph shifting to the south 4 to 6 mph after
midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....West around 10 mph in the evening becoming
light.
.SATURDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....67-74 valleys and 58-65 ridges.
24 hr trend......4 degrees up.
* Min Humidity.......23-31 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 5 mph shifting to the
southwest 7 to 10 mph in the afternoon.
Ridges/upr slopes....South 6 to 11 mph. Gusts up to 20 mph in
the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......9000-10000 ft AGL.
* Transport Winds....South around 10 mph increasing to southwest
around 20 mph in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Cooler. Partly cloudy. Chance of showers and snow
showers. Lows 39 to 46. Highs 47 to 54. Southwest winds 10 to
20 mph with gusts to around 30 mph.
.MONDAY...Partly cloudy. Lows 31 to 38. Highs 49 to 56. West
winds 10 to 15 mph with gusts to around 25 mph.
.TUESDAY...Mostly clear. Lows 31 to 38. Highs 54 to 61. Northwest
winds 5 to 10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 30s. Highs in the
lower 60s.
.THURSDAY...Mostly clear. Lows around 40. Highs in the mid 60s.
$$
IDZ476-111100-
Lemhi and Lost River Range/Challis NF-
119 PM MDT Thu Sep 10 2026
.Tonight...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....41-48.
24 hr trend......Little change.
* Max Humidity.......50-58 percent.
24 hr trend......4 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southwest 10 to 15 mph.
Ridges/upr slopes....Southwest 10 to 15 mph with gusts to
around 25 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.FRIDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....68-75 valleys and 58-65 ridges.
24 hr trend......5 degrees down.
* Min Humidity.......16-24 percent.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 11 to 16 mph.
Ridges/upr slopes....West 11 to 16 mph with gusts to around 30
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9250-10250 ft AGL.
* Transport Winds....West around 10 mph increasing to around 25 mph
in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....37-44.
24 hr trend......4 degrees down.
* Max Humidity.......51-59 percent valleys and 45-53 percent
ridges.
24 hr trend......4 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 5 to 10 mph shifting to the south 4
to 5 mph after midnight.
Ridges/upr slopes....Southwest 6 to 11 mph. Gusts up to 25 mph
decreasing to 15 mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....West around 10 mph in the evening becoming
light.
.SATURDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....71-78 valleys and 60-67 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......17-25 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...South 9 to 14 mph.
Ridges/upr slopes....South 11 to 16 mph. Gusts up to 15 mph
increasing to 25 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......10000-11000 ft AGL.
* Transport Winds....South around 10 mph increasing to southwest
around 20 mph in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Cooler, breezy. Partly cloudy. Chance of rain. Lows
40 to 47. Highs 52 to 59. Southwest winds 15 to 25 mph with gusts
to around 35 mph.
.MONDAY...Mostly clear. Lows 29 to 36. Highs 51 to 58. West winds
10 to 20 mph with gusts to around 30 mph.
.TUESDAY...Clear. Lows 30 to 37. Highs 56 to 63. Northwest winds
5 to 10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 30s. Highs in the
lower 60s.
.THURSDAY...Mostly clear. Lows around 40. Highs in the upper 60s.
$$
IDZ422-111100-
Sawtooth Range/Northern Sawtooth NF-
119 PM MDT Thu Sep 10 2026
.Tonight...
* Sky/weather........Partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....42-49.
24 hr trend......Little change.
* Max Humidity.......55-63 percent.
24 hr trend......7 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 9 to 14 mph.
Ridges/upr slopes....West 9 to 14 mph with gusts to around 25
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....West 10 to 15 mph.
.FRIDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....69-76 valleys and 56-63 ridges.
24 hr trend......5 degrees down.
* Min Humidity.......14-22 percent valleys and 20-28 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...West 12 to 17 mph.
Ridges/upr slopes....West 12 to 17 mph with gusts to around 25
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......7250-8250 ft AGL.
* Transport Winds....West around 15 mph increasing to around 25 mph
in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Clear.
* Chc of thunder.....0 percent.
* Min Temperature....40-47.
24 hr trend......2 degrees down.
* Max Humidity.......43-51 percent.
24 hr trend......11 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 8 to 13 mph shifting to the north 4
to 6 mph after midnight.
Ridges/upr slopes....West 4 to 9 mph with gusts to around 20
mph shifting to the south 4 to 6 mph after
midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....West 10 to 15 mph.
.SATURDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....71-78 valleys and 59-66 ridges.
24 hr trend......3 degrees up.
* Min Humidity.......15-23 percent valleys and 22-30 percent
ridges.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph shifting to the
southwest 8 to 13 mph in the afternoon.
Ridges/upr slopes....South 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....South around 10 mph increasing to southwest
around 20 mph in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Cooler, windy. Partly cloudy. Slight chance of showers
and snow showers. Lows 38 to 45. Highs 50 to 57. Southwest winds
20 to 30 mph with gusts to around 40 mph.
.MONDAY...Clear. Lows 29 to 36. Highs 52 to 59. West winds 10 to
20 mph with gusts to around 30 mph.
.TUESDAY...Clear. Lows 30 to 37. Highs 57 to 64. West winds 5 to
10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 30s. Highs in the
mid 60s.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the
upper 60s.
$$
IDZ425-111100-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
119 PM MDT Thu Sep 10 2026
.Tonight...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....52-59.
24 hr trend......8 degrees up.
* Max Humidity.......56-64 percent.
24 hr trend......Little change.
* 20ft winds.........Southwest winds 11 to 16 mph with gusts to
around 30 mph decreasing to 4 to 6 mph with
gusts to around 15 mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.FRIDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 80.
24 hr trend......5 degrees down.
* Min Humidity.......18-26 percent.
24 hr trend......4 percent up.
* 20ft winds.........West winds 9 to 19 mph. Gusts up to 25 mph
increasing to 35 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......7750-8750 ft AGL.
* Transport Winds....West around 15 mph increasing to around 25 mph
in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....Around 49.
24 hr trend......6 degrees down.
* Max Humidity.......52-60 percent.
24 hr trend......4 percent down.
* 20ft winds.........West winds 9 to 14 mph with gusts to around 30
mph shifting to the northeast 4 to 5 mph after
midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....West around 15 mph in the evening becoming
light.
.SATURDAY...
* Sky/weather........Sunny.
* Chc of thunder.....0 percent.
* Max Temperature....Around 85.
24 hr trend......5 degrees up.
* Min Humidity.......15-23 percent.
24 hr trend......2 percent down.
* 20ft winds.........Northeast winds 4 to 7 mph with gusts to
around 15 mph shifting to the southwest 7 to
12 mph with gusts to around 25 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11000-12000 ft AGL.
* Transport Winds....East around 10 mph shifting to the southwest
in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Cooler, windy. Partly cloudy. Lows around 50. Highs in
the upper 60s. West winds 20 to 30 mph with gusts to around
40 mph.
.MONDAY...Breezy, clear. Lows in the upper 30s. Highs in the
upper 60s. West winds 15 to 25 mph with gusts to around 35 mph.
.TUESDAY...Clear. Lows around 40. Highs in the lower 70s. West
winds 5 to 10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs in the
mid 70s.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the lower
80s.
$$
IDZ427-111100-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
119 PM MDT Thu Sep 10 2026
.Tonight...
* Sky/weather........Mostly cloudy. Isolated showers and
thunderstorms in the evening.
* Chc of thunder.....0 percent.
* Min Temperature....55-62.
24 hr trend......7 degrees up.
* Max Humidity.......48-56 percent.
24 hr trend......7 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southwest 7 to 12 mph.
Ridges/upr slopes....Southwest 7 to 12 mph with gusts to around
20 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....Southwest around 15 mph.
.FRIDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....78-83 valleys and 71-78 ridges.
24 hr trend......5 degrees down.
* Min Humidity.......20-28 percent.
24 hr trend......7 percent up.
* 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......10000-11000 ft AGL.
* Transport Winds....West 15 to 20 mph.
.FRIDAY NIGHT...
* Sky/weather........Partly cloudy then becoming clear.
* Chc of thunder.....0 percent.
* Min Temperature....50-57.
24 hr trend......6 degrees down.
* Max Humidity.......53-61 percent valleys and 45-53 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Northwest 6 to 9 mph shifting to the south
4 to 6 mph after midnight.
Ridges/upr slopes....North 6 to 9 mph shifting to the south 4
to 7 mph after midnight. Gusts up to 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....Northwest around 10 mph shifting to the south
after midnight.
.SATURDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....83-88 valleys and 76-83 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......15-23 percent.
24 hr trend......5 percent down.
* 20ft winds.........
Valleys/lwr slopes...South 5 to 8 mph shifting to the west 10
to 15 mph in the afternoon.
Ridges/upr slopes....Southwest 12 to 17 mph. Gusts up to 15 mph
increasing to 30 mph in the afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......11750-12750 ft AGL.
* Transport Winds....Southwest around 10 mph increasing to around
20 mph in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Cooler, windy. Partly cloudy. Lows 46 to 53. Highs
62 to 69. West winds 20 to 30 mph with gusts to around 40 mph.
.MONDAY...Breezy, clear. Lows 37 to 44. Highs 60 to 67. West
winds 15 to 25 mph with gusts to around 30 mph.
.TUESDAY...Clear. Lows 37 to 43. Highs 66 to 73. Northwest winds
10 to 15 mph with gusts to around 20 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 40s. Highs in the
lower 70s.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s.
$$
IDZ410-111100-
Upper Snake River Valley/Idaho Falls BLM-
119 PM MDT Thu Sep 10 2026
...RED FLAG WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING...
.Tonight...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....49-56.
24 hr trend......7 degrees up.
* Max Humidity.......57-65 percent.
24 hr trend......2 percent down.
* 20ft winds.........Southwest winds 13 to 18 mph. Gusts up to 30
mph decreasing to 20 mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.FRIDAY...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....74-81.
24 hr trend......2 degrees down.
* Min Humidity.......13-21 percent.
24 hr trend......Little change.
* 20ft winds.........Southwest winds 11 to 21 mph with gusts to
around 30 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......11000-12000 ft AGL.
* Transport Winds....Southwest around 15 mph increasing to west
around 25 mph in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Mostly clear.
* Chc of thunder.....0 percent.
* Min Temperature....42-49.
24 hr trend......8 degrees down.
* Max Humidity.......56-64 percent.
24 hr trend......2 percent up.
* 20ft winds.........Southwest winds 12 to 17 mph with gusts to
around 30 mph shifting to the north 4 to 7 mph
with gusts to around 15 mph after midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.SATURDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....76-83.
24 hr trend......2 degrees up.
* Min Humidity.......14-22 percent.
24 hr trend......Little change.
* 20ft winds.........Northeast winds 4 to 7 mph with gusts to
around 15 mph shifting to the southwest 8 to
13 mph with gusts to around 25 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......10250-11250 ft AGL.
* Transport Winds....East around 10 mph increasing to southwest
around 20 mph in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Cooler, windy. Partly cloudy. Lows 48 to 53. Highs
63 to 70. Southwest winds 20 to 30 mph with gusts to around
40 mph.
.MONDAY...Breezy. Mostly clear. Lows 35 to 41. Highs 60 to 67.
Southwest winds 15 to 25 mph with gusts to around 35 mph.
.TUESDAY...Clear. Lows 35 to 40. Highs 65 to 72. Southeast winds
5 to 10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs in the
lower 70s.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
70s.
$$
IDZ411-111100-
Centennial Mountains and Snake River Range/Targhee NF-
119 PM MDT Thu Sep 10 2026
.Tonight...
* Sky/weather........Partly cloudy. Isolated rain showers after
midnight.
* Chc of thunder.....0 percent.
* Min Temperature....43-50.
24 hr trend......4 degrees up.
* Max Humidity.......77-85 percent valleys and 60-68 percent
ridges.
24 hr trend......8 percent up.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 7 mph shifting to the southeast
4 to 5 mph after midnight.
Ridges/upr slopes....Southwest 5 to 10 mph with gusts to around
25 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.FRIDAY...
* Sky/weather........Partly cloudy then becoming mostly sunny.
Isolated rain showers in the morning.
* Chc of thunder.....0 percent.
* Max Temperature....Around 75 valleys and 64-71 ridges.
24 hr trend......Little change.
* Min Humidity.......20-28 percent.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southwest 9 to 14 mph.
Ridges/upr slopes....Southwest 9 to 14 mph with gusts to around
30 mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......9750-10750 ft AGL.
* Transport Winds....Southwest around 15 mph increasing to around
25 mph in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....38-45.
24 hr trend......5 degrees down.
* Max Humidity.......76-84 percent valleys and 61-69 percent
ridges.
24 hr trend......3 percent down.
* 20ft winds.........
Valleys/lwr slopes...Southwest 5 to 10 mph shifting to the east
around 4 mph after midnight.
Ridges/upr slopes....Southwest 6 to 11 mph with gusts to around
25 mph shifting to the southeast 4 to 7
mph with gusts to around 15 mph after
midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....West around 15 mph shifting to the south after
midnight.
.SATURDAY...
* Sky/weather........Mostly sunny then becoming partly cloudy.
* Chc of thunder.....0 percent.
* Max Temperature....74-79 valleys and 66-73 ridges.
24 hr trend......2 degrees up.
* Min Humidity.......19-25 percent valleys and 21-29 percent
ridges.
24 hr trend......2 percent up.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 5 mph shifting to the southwest
5 to 10 mph in the afternoon.
Ridges/upr slopes....East 4 to 6 mph with gusts to around 15
mph shifting to the southwest 7 to 12 mph
with gusts to around 25 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......9000-10000 ft AGL.
* Transport Winds....South around 10 mph increasing to southwest
around 25 mph in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Cooler, breezy. Partly cloudy. Slight chance of
showers. Lows 44 to 51. Highs 55 to 62. South winds 15 to 25 mph
with gusts to around 35 mph.
.MONDAY...Breezy. Mostly clear. Lows 32 to 39. Highs 52 to 59.
Southwest winds 15 to 25 mph with gusts to around 35 mph.
.TUESDAY...Clear. Lows 31 to 38. Highs 57 to 64. Southeast winds
5 to 10 mph with gusts to around 15 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 30s. Highs in the
mid 60s.
.THURSDAY...Mostly clear. Lows in the upper 30s. Highs in the
upper 60s.
$$
IDZ413-111100-
Caribou Range/Caribou NF-
119 PM MDT Thu Sep 10 2026
.Tonight...
* Sky/weather........Mostly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....50-57.
24 hr trend......7 degrees up.
* Max Humidity.......53-61 percent.
24 hr trend......6 percent up.
* 20ft winds.........
Valleys/lwr slopes...South 5 to 10 mph.
Ridges/upr slopes....South 5 to 10 mph with gusts to around 20
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....Southwest around 10 mph.
.FRIDAY...
* Sky/weather........Partly cloudy then becoming mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....74-81 valleys and 66-73 ridges.
24 hr trend......2 degrees down.
* Min Humidity.......20-28 percent.
24 hr trend......6 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southwest 9 to 14 mph.
Ridges/upr slopes....West 10 to 15 mph with gusts to around 25
mph.
* Chc Wetting Rain...0 percent.
* Mixing Height......10000-11000 ft AGL.
* Transport Winds....Southwest around 10 mph increasing to west
around 20 mph in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Partly cloudy.
* Chc of thunder.....0 percent.
* Min Temperature....45-52.
24 hr trend......6 degrees down.
* Max Humidity.......60-68 percent valleys and 56-64 percent
ridges.
24 hr trend......4 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 5 to 8 mph shifting to the east
4 to 5 mph after midnight.
Ridges/upr slopes....West 6 to 9 mph with gusts to around 25
mph shifting to the southeast 4 to 6 mph
with gusts to around 15 mph after
midnight.
* Chc Wetting Rain...0 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.SATURDAY...
* Sky/weather........Mostly sunny.
* Chc of thunder.....0 percent.
* Max Temperature....79-86 valleys and 71-78 ridges.
24 hr trend......5 degrees up.
* Min Humidity.......19-27 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...Southeast 4 to 6 mph shifting to the
southwest 9 to 14 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 7 mph with gusts to around
15 mph shifting to the southwest 9 to 14
mph with gusts to around 25 mph in the
afternoon.
* Chc Wetting Rain...0 percent.
* Mixing Height......10750-11750 ft AGL.
* Transport Winds....South around 10 mph increasing to southwest
around 25 mph in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Cooler, breezy. Partly cloudy. Lows 48 to 55. Highs
63 to 70. Southwest winds 15 to 25 mph with gusts to around
35 mph.
.MONDAY...Clear. Lows 36 to 43. Highs 60 to 67. West winds 10 to
20 mph with gusts to around 30 mph.
.TUESDAY...Clear. Lows 36 to 43. Highs 66 to 73. North winds 5 to
10 mph with gusts to around 25 mph.
.WEDNESDAY...Mostly clear. Lows in the mid 40s. Highs in the
lower 70s.
.THURSDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s.
$$
.OUTLOOK from Friday September 18 through Thursday September 24:
Moderate confidence of above normal temperatures.
Weak confidence of above normal precipitation.
$$