Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
990
FNUS55 KPIH 171936
FWFPIH
Fire Weather Planning Forecast for Southeast Idaho
National Weather Service Pocatello ID
136 PM MDT Thu Sep 17 2026
.DISCUSSION...
* Central Idaho Dispatch Area weather impact summary (Zones 475
and 476)...
A low pressure system will produce occasional showers and
thunderstorms through Friday. Rainfall amounts of 0.25 to 0.75
inches are likely through Friday. This system will depart over
the weekend allowing for drier weather to setup by the second half
of the weekend and into much of next week.
* East Idaho Dispatch Area weather impact summary (Zones 410...411
and 413)...
A low pressure system will produce occasional showers and
thunderstorms through Friday. Rainfall amounts of 0.5 to 1.0
inches are likely through Friday. This system will depart over the
weekend allowing for drier weather to setup by the second half of
the weekend and into much of next week.
* South Central Idaho Dispatch Area weather impact summary (Zones
422...425 and 427)...
A low pressure system will produce occasional showers and
thunderstorms through Friday. Rainfall amounts of up to 0.25 inches
are likely through Friday. This system will depart over the weekend
allowing for drier weather to setup by the second half of the
weekend and into much of next week.
IDZ475-181030-
East Salmon River Mountains/Salmon NF-
136 PM MDT Thu Sep 17 2026
.Tonight...
* Sky/weather........Partly cloudy. Slight chance of thunderstorms
in the evening. Chance of rain showers through
the night.
* Chc of thunder.....20 percent.
* Min Temperature....41-48.
24 hr trend......Little change.
* Max Humidity.......80-88 percent.
24 hr trend......12 percent up.
* 20ft winds.........
Valleys/lwr slopes...South 5 to 8 mph in the evening becoming
light.
Ridges/upr slopes....South 4 to 8 mph. Gusts up to 15 mph in
the evening.
* Chc Wetting Rain...30 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....South around 10 mph in the evening becoming
light.
.FRIDAY...
* Sky/weather........Mostly cloudy. Chance of rain showers in the
morning, then rain showers likely and chance
of thunderstorms in the afternoon.
* Chc of thunder.....50 percent.
* Max Temperature....58-65 valleys and 48-55 ridges.
24 hr trend......9 degrees down.
* Min Humidity.......55-63 percent valleys and 62-70 percent
ridges.
24 hr trend......16 percent up.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming west 4 to 6 mph in
the afternoon.
Ridges/upr slopes....Northwest 4 to 6 mph.
* Chc Wetting Rain...80 percent.
* Mixing Height......4000-5000 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Cloudy. Chance of showers and thunderstorms in
the evening, then rain showers and slight
chance of thunderstorms after midnight.
* Chc of thunder.....50 percent.
* Min Temperature....41-48.
24 hr trend......Little change.
* Max Humidity.......90-98 percent.
24 hr trend......10 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 5 mph.
Ridges/upr slopes....Northwest 4 to 5 mph.
* Chc Wetting Rain...80 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Light winds.
.SATURDAY...
* Sky/weather........Cloudy. Rain showers in the morning, then rain
showers likely and slight chance of
thunderstorms in the afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....53-60 valleys and 45-52 ridges.
24 hr trend......4 degrees down.
* Min Humidity.......66-74 percent valleys and 72-80 percent
ridges.
24 hr trend......11 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 5 mph.
Ridges/upr slopes....Northwest 4 to 5 mph.
* Chc Wetting Rain...70 percent.
* Mixing Height......3500-4500 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Warmer. Partly cloudy. Slight chance of showers. Lows
39 to 46. Highs 62 to 69. Northwest winds up to 5 mph.
.MONDAY...Mostly clear. Lows 41 to 48. Highs 61 to 68. Southwest
winds up to 5 mph.
.TUESDAY...Mostly clear. Slight chance of rain. Lows 41 to 48.
Highs 60 to 67. Southwest winds 5 to 10 mph with gusts to around
15 mph.
.WEDNESDAY...Mostly clear. Slight chance of rain. Lows in the
lower 40s. Highs in the lower 60s.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
$$
IDZ476-181030-
Lemhi and Lost River Range/Challis NF-
136 PM MDT Thu Sep 17 2026
.Tonight...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
Scattered rain showers in the evening.
Isolated thunderstorms through the night.
Numerous rain showers after midnight.
* Chc of thunder.....20 percent.
* Min Temperature....41-48.
24 hr trend......2 degrees down.
* Max Humidity.......86-94 percent.
24 hr trend......10 percent up.
* 20ft winds.........
Valleys/lwr slopes...South 5 to 10 mph.
Ridges/upr slopes....South 5 to 10 mph. Gusts up to 20 mph in
the evening.
* Chc Wetting Rain...30 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....South around 10 mph in the evening becoming
light.
.FRIDAY...
* Sky/weather........Mostly cloudy. Chance of rain showers and
slight chance of thunderstorms in the morning,
then rain showers likely and chance of
thunderstorms in the afternoon.
* Chc of thunder.....50 percent.
* Max Temperature....59-66 valleys and 48-55 ridges.
24 hr trend......8 degrees down.
* Min Humidity.......54-62 percent valleys and 67-75 percent
ridges.
24 hr trend......15 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northeast around 4 mph shifting to the
west 4 to 7 mph in the afternoon.
Ridges/upr slopes....Southeast 4 to 5 mph shifting to the
southwest 4 to 7 mph with gusts to around
15 mph in the afternoon.
* Chc Wetting Rain...80 percent.
* Mixing Height......4250-5250 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Mostly cloudy. Chance of showers and
thunderstorms in the evening, then rain
showers likely and slight chance of
thunderstorms after midnight.
* Chc of thunder.....50 percent.
* Min Temperature....39-46.
24 hr trend......3 degrees down.
* Max Humidity.......91-99 percent.
24 hr trend......7 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 6 mph.
Ridges/upr slopes....Northwest 4 to 6 mph.
* Chc Wetting Rain...60 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.SATURDAY...
* Sky/weather........Mostly cloudy. Rain showers likely through the
day. Slight chance of thunderstorms in the
afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....54-61 valleys and 44-51 ridges.
24 hr trend......4 degrees down.
* Min Humidity.......62-70 percent valleys and 72-80 percent
ridges.
24 hr trend......6 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 6 mph.
Ridges/upr slopes....Northwest 4 to 6 mph.
* Chc Wetting Rain...40 percent.
* Mixing Height......4250-5250 ft AGL.
* Transport Winds....Light winds becoming northwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Chance of showers. Lows 38 to 45. Highs
59 to 66. Northwest winds 10 to 15 mph.
.MONDAY...Mostly clear. Lows 39 to 46. Highs 60 to 67. South
winds 5 to 10 mph with gusts to around 15 mph.
.TUESDAY...Partly cloudy. Slight chance of rain. Lows 40 to 47.
Highs 60 to 67. Southwest winds 5 to 10 mph with gusts to around
15 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs in the
mid 60s.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
$$
IDZ422-181030-
Sawtooth Range/Northern Sawtooth NF-
136 PM MDT Thu Sep 17 2026
.Tonight...
* Sky/weather........Partly cloudy. Isolated thunderstorms in the
evening. Scattered rain showers through the
night.
* Chc of thunder.....20 percent.
* Min Temperature....40-47.
24 hr trend......5 degrees down.
* Max Humidity.......84-92 percent.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...East 4 to 7 mph shifting to the north 4 to
6 mph after midnight.
Ridges/upr slopes....South 4 to 8 mph. Gusts up to 15 mph in
the evening.
* Chc Wetting Rain...20 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Southeast around 10 mph in the evening
becoming light.
.FRIDAY...
* Sky/weather........Mostly cloudy. Chance of rain showers through
the day. Chance of thunderstorms in the
afternoon.
* Chc of thunder.....50 percent.
* Max Temperature....59-66 valleys and 49-56 ridges.
24 hr trend......7 degrees down.
* Min Humidity.......52-60 percent valleys and 62-70 percent
ridges.
24 hr trend......11 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northeast 4 to 6 mph shifting to the
southwest 4 to 7 mph in the afternoon.
Ridges/upr slopes....North 4 to 5 mph shifting to the northwest
4 to 6 mph in the afternoon.
* Chc Wetting Rain...60 percent.
* Mixing Height......5000-6000 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Mostly cloudy. Slight chance of thunderstorms
in the evening. Chance of rain showers through
the night.
* Chc of thunder.....20 percent.
* Min Temperature....37-44.
24 hr trend......3 degrees down.
* Max Humidity.......91-99 percent.
24 hr trend......11 percent up.
* 20ft winds.........
Valleys/lwr slopes...North 4 to 6 mph.
Ridges/upr slopes....North 4 to 6 mph.
* Chc Wetting Rain...30 percent.
* Mixing Height......100-1100 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.SATURDAY...
* Sky/weather........Mostly cloudy. Chance of rain showers in the
morning, then rain showers likely and slight
chance of thunderstorms in the afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....57-64 valleys and 47-54 ridges.
24 hr trend......2 degrees down.
* Min Humidity.......54-62 percent valleys and 61-69 percent
ridges.
24 hr trend......Little change.
* 20ft winds.........
Valleys/lwr slopes...North around 4 mph shifting to the
southwest 4 to 6 mph in the afternoon.
Ridges/upr slopes....Northwest 4 to 5 mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......4750-5750 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Lows 36 to 43. Highs 60 to 67. North
winds 5 to 10 mph with gusts to around 15 mph.
.MONDAY...Mostly clear. Lows 39 to 46. Highs 61 to 68. South
winds 5 to 10 mph with gusts to around 15 mph.
.TUESDAY...Partly cloudy. Slight chance of rain. Lows 40 to 47.
Highs 61 to 68. West winds 5 to 10 mph with gusts to around
15 mph.
.WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs in the
mid 60s.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
$$
IDZ425-181030-
Middle Snake River Valley/Twin Falls BLM north of the Snake River-
136 PM MDT Thu Sep 17 2026
.Tonight...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
Scattered rain showers and isolated
thunderstorms in the evening. Isolated rain
showers after midnight.
* Chc of thunder.....20 percent.
* Min Temperature....Around 50.
24 hr trend......6 degrees down.
* Max Humidity.......84-92 percent.
24 hr trend......12 percent up.
* 20ft winds.........Northeast winds 4 to 9 mph with gusts to
around 20 mph.
* Chc Wetting Rain...20 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....East 10 to 15 mph.
.FRIDAY...
* Sky/weather........Partly cloudy. Slight chance of rain showers
in the morning, then chance of rain showers
and slight chance of thunderstorms in the
afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....Around 69.
24 hr trend......12 degrees down.
* Min Humidity.......49-57 percent.
24 hr trend......16 percent up.
* 20ft winds.........East winds 4 to 6 mph shifting to the west 5
to 10 mph with gusts to around 15 mph in the
afternoon.
* Chc Wetting Rain...20 percent.
* Mixing Height......6000-7000 ft AGL.
* Transport Winds....East around 10 mph shifting to the southwest
in the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Partly cloudy. Chance of rain showers and
slight chance of thunderstorms in the evening.
Slight chance of rain showers after midnight.
* Chc of thunder.....20 percent.
* Min Temperature....Around 45.
24 hr trend......5 degrees down.
* Max Humidity.......93-100 percent.
24 hr trend......9 percent up.
* 20ft winds.........Southwest winds 4 to 8 mph. Gusts up to 15 mph
in the evening.
* Chc Wetting Rain...10 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....West around 10 mph.
.SATURDAY...
* Sky/weather........Partly cloudy. Chance of rain showers through
the day. Slight chance of thunderstorms in the
afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....Around 66.
24 hr trend......3 degrees down.
* Min Humidity.......46-54 percent.
24 hr trend......Little change.
* 20ft winds.........Southwest winds 4 to 8 mph. Gusts up to 15 mph
in the afternoon.
* Chc Wetting Rain...10 percent.
* Mixing Height......6250-7250 ft AGL.
* Transport Winds....West around 10 mph.
.Forecast days 3 through 7......
.SUNDAY...Mostly clear. Lows in the mid 40s. Highs in the mid
70s. Southeast winds 5 to 10 mph with gusts to around 15 mph.
.MONDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s. East winds 5 to 10 mph with gusts to around 15 mph.
.TUESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
upper 70s. East winds 5 to 10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the
upper 70s.
$$
IDZ427-181030-
Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls
BLM south of the Snake River-
136 PM MDT Thu Sep 17 2026
.Tonight...
* Sky/weather........Mostly cloudy then becoming partly cloudy.
Numerous rain showers in the evening. Isolated
thunderstorms through the night. Isolated rain
showers after midnight.
* Chc of thunder.....20 percent.
* Min Temperature....46-53.
24 hr trend......6 degrees down.
* Max Humidity.......76-84 percent valleys and 68-76 percent
ridges.
24 hr trend......5 percent up.
* 20ft winds.........
Valleys/lwr slopes...South 7 to 12 mph.
Ridges/upr slopes....South 7 to 12 mph with gusts to around 20
mph shifting to the northwest 4 to 7 mph
after midnight.
* Chc Wetting Rain...30 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....South around 15 mph shifting to the southwest
after midnight.
.FRIDAY...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
Chance of rain showers through the day. Slight
chance of thunderstorms in the afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....61-68.
24 hr trend......12 degrees down.
* Min Humidity.......46-54 percent.
24 hr trend......18 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 5 to 10 mph.
Ridges/upr slopes....West 5 to 10 mph with gusts to around 20
mph.
* Chc Wetting Rain...30 percent.
* Mixing Height......6750-7750 ft AGL.
* Transport Winds....Southwest 10 to 15 mph.
.FRIDAY NIGHT...
* Sky/weather........Partly cloudy. Slight chance of thunderstorms
in the evening. Slight chance of rain showers
through the night.
* Chc of thunder.....20 percent.
* Min Temperature....41-48.
24 hr trend......6 degrees down.
* Max Humidity.......86-94 percent valleys and 82-90 percent
ridges.
24 hr trend......14 percent up.
* 20ft winds.........
Valleys/lwr slopes...West 5 to 8 mph shifting to the southwest
4 to 6 mph after midnight.
Ridges/upr slopes....West 4 to 9 mph. Gusts up to 20 mph in the
evening.
* Chc Wetting Rain...10 percent.
* Mixing Height......200-1200 ft AGL.
* Transport Winds....West around 10 mph.
.SATURDAY...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
Chance of rain showers through the day. Slight
chance of thunderstorms in the afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....58-65.
24 hr trend......3 degrees down.
* Min Humidity.......45-53 percent.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 9 mph.
Ridges/upr slopes....West 5 to 10 mph with gusts to around 20
mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......6250-7250 ft AGL.
* Transport Winds....West around 10 mph.
.Forecast days 3 through 7......
.SUNDAY...Mostly clear. Lows 41 to 48. Highs 66 to 73. West winds
10 to 15 mph with gusts to around 20 mph.
.MONDAY...Mostly clear. Lows 44 to 51. Highs 69 to 76. Southeast
winds 5 to 10 mph with gusts to around 15 mph.
.TUESDAY...Partly cloudy. Slight chance of rain. Lows 46 to 53.
Highs 69 to 76. South winds 5 to 10 mph with gusts to around
15 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 40s. Highs in the
lower 70s.
.THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the mid
70s.
$$
IDZ410-181030-
Upper Snake River Valley/Idaho Falls BLM-
136 PM MDT Thu Sep 17 2026
.Tonight...
* Sky/weather........Mostly cloudy. Numerous rain showers in the
evening. Isolated thunderstorms through the
night. Scattered rain showers after midnight.
* Chc of thunder.....20 percent.
* Min Temperature....47-52.
24 hr trend......2 degrees down.
* Max Humidity.......92-100 percent.
24 hr trend......14 percent up.
* 20ft winds.........East winds 4 to 9 mph with gusts to around 15
mph.
* Chc Wetting Rain...40 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....East around 10 mph.
.FRIDAY...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
Chance of rain showers through the day. Chance
of thunderstorms in the afternoon.
* Chc of thunder.....50 percent.
* Max Temperature....64-70.
24 hr trend......6 degrees down.
* Min Humidity.......58-66 percent.
24 hr trend......13 percent up.
* 20ft winds.........East winds 4 to 6 mph shifting to the south 4
to 7 mph in the afternoon. Gusts up to 15 mph.
* Chc Wetting Rain...50 percent.
* Mixing Height......5000-6000 ft AGL.
* Transport Winds....East around 10 mph shifting to the south in
the afternoon.
.FRIDAY NIGHT...
* Sky/weather........Mostly cloudy. Chance of thunderstorms in the
evening. Chance of rain showers through the
night. Slight chance of thunderstorms after
midnight.
* Chc of thunder.....50 percent.
* Min Temperature....Around 45.
24 hr trend......4 degrees down.
* Max Humidity.......98 percent.
24 hr trend......Little change.
* 20ft winds.........South winds 4 to 7 mph. Gusts up to 15 mph in
the evening.
* Chc Wetting Rain...50 percent.
* Mixing Height......400-1400 ft AGL.
* Transport Winds....Northwest around 10 mph shifting to the south
after midnight.
.SATURDAY...
* Sky/weather........Mostly cloudy. Chance of rain showers through
the day. Slight chance of thunderstorms in the
afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....58-65.
24 hr trend......7 degrees down.
* Min Humidity.......57-65 percent.
24 hr trend......2 percent down.
* 20ft winds.........Southwest winds 4 to 7 mph with gusts to
around 15 mph.
* Chc Wetting Rain...10 percent.
* Mixing Height......6000-7000 ft AGL.
* Transport Winds....Southwest around 10 mph.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Slight chance of showers. Lows 40 to 45.
Highs 66 to 73. Southwest winds 5 to 10 mph with gusts to around
15 mph.
.MONDAY...Mostly clear. Lows 40 to 46. Highs 67 to 74. East winds
5 to 10 mph with gusts to around 15 mph.
.TUESDAY...Partly cloudy. Lows 42 to 48. Highs 69 to 76.
Southeast winds 5 to 10 mph with gusts to around 15 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 lower
70s.
$$
IDZ411-181030-
Centennial Mountains and Snake River Range/Targhee NF-
136 PM MDT Thu Sep 17 2026
.Tonight...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
Scattered rain showers and slight chance of
thunderstorms.
* Chc of thunder.....20 percent.
* Min Temperature....43-49.
24 hr trend......Little change.
* Max Humidity.......91-99 percent.
24 hr trend......12 percent up.
* 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 evening.
* Chc Wetting Rain...40 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Southeast around 10 mph.
.FRIDAY...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
Chance of rain showers and slight chance of
thunderstorms in the morning, then rain
showers likely and chance of thunderstorms in
the afternoon.
* Chc of thunder.....50 percent.
* Max Temperature....Around 69 valleys and 57-64 ridges.
24 hr trend......3 degrees down.
* Min Humidity.......59-67 percent valleys and 67-75 percent
ridges.
24 hr trend......9 percent up.
* 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...80 percent.
* Mixing Height......4250-5250 ft AGL.
* Transport Winds....Southeast around 10 mph.
.FRIDAY NIGHT...
* Sky/weather........Cloudy. Chance of showers and thunderstorms in
the evening, then rain showers and slight
chance of thunderstorms after midnight. Patchy
fog after midnight.
* Chc of thunder.....50 percent.
* Min Temperature....40-46.
24 hr trend......3 degrees down.
* Max Humidity.......94-100 percent.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...Light winds.
Ridges/upr slopes....Southeast 4 to 5 mph.
* Chc Wetting Rain...70 percent.
* Mixing Height......400-900 ft AGL.
* Transport Winds....East around 10 mph in the evening becoming
light.
.SATURDAY...
* Sky/weather........Mostly cloudy. Rain showers likely in the
morning. Slight chance of thunderstorms
through the day. Rain showers in the
afternoon.
* Chc of thunder.....20 percent.
* Max Temperature....Around 59 valleys and 49-56 ridges.
24 hr trend......9 degrees down.
* Min Humidity.......60-68 percent valleys and 71-79 percent
ridges.
24 hr trend......4 percent up.
* 20ft winds.........
Valleys/lwr slopes...Light winds becoming southwest 4 to 5 mph
in the afternoon.
Ridges/upr slopes....Southwest 4 to 6 mph. Gusts up to 15 mph
in the afternoon.
* Chc Wetting Rain...50 percent.
* Mixing Height......4750-5750 ft AGL.
* Transport Winds....Light winds becoming southwest around 10 mph
in the afternoon.
.Forecast days 3 through 7......
.SUNDAY...Mostly cloudy. Chance of showers and slight chance of
thunderstorms. Lows 37 to 44. Highs 57 to 64. West winds 5 to
10 mph with gusts to around 15 mph.
.MONDAY...Mostly clear. Lows 36 to 43. Highs 59 to 66. Southeast
winds 5 to 10 mph with gusts to around 15 mph.
.TUESDAY...Partly cloudy. Lows 39 to 46. Highs 61 to 68.
Southeast winds 5 to 10 mph with gusts to around 15 mph.
.WEDNESDAY...Mostly clear. Slight chance of showers and
thunderstorms. Lows in the lower 40s. Highs in the mid 60s.
.THURSDAY...Mostly clear. Lows in the lower 40s. Highs in the mid
60s.
$$
IDZ413-181030-
Caribou Range/Caribou NF-
136 PM MDT Thu Sep 17 2026
.Tonight...
* Sky/weather........Mostly cloudy. Scattered thunderstorms in the
evening. Scattered rain showers through the
night. Isolated thunderstorms after midnight.
* Chc of thunder.....50 percent.
* Min Temperature....46-53.
24 hr trend......4 degrees down.
* Max Humidity.......86-94 percent.
24 hr trend......12 percent up.
* 20ft winds.........
Valleys/lwr slopes...Southeast 5 to 10 mph.
Ridges/upr slopes....Southeast 5 to 10 mph with gusts to around
20 mph.
* Chc Wetting Rain...20 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Southeast around 10 mph.
.FRIDAY...
* Sky/weather........Partly cloudy then becoming mostly cloudy.
Chance of rain showers and slight chance of
thunderstorms in the morning, then rain
showers likely and chance of thunderstorms in
the afternoon.
* Chc of thunder.....50 percent.
* Max Temperature....62-69.
24 hr trend......6 degrees down.
* Min Humidity.......58-66 percent.
24 hr trend......9 percent up.
* 20ft winds.........
Valleys/lwr slopes...South 4 to 8 mph.
Ridges/upr slopes....South 4 to 8 mph with gusts to around 15
mph.
* Chc Wetting Rain...70 percent.
* Mixing Height......5250-6250 ft AGL.
* Transport Winds....South 10 to 15 mph.
.FRIDAY NIGHT...
* Sky/weather........Mostly cloudy. Chance of thunderstorms in the
evening. Chance of rain showers through the
night. Slight chance of thunderstorms after
midnight.
* Chc of thunder.....50 percent.
* Min Temperature....40-47.
24 hr trend......5 degrees down.
* Max Humidity.......89-97 percent.
24 hr trend......3 percent up.
* 20ft winds.........
Valleys/lwr slopes...Northwest 4 to 6 mph in the evening
becoming light.
Ridges/upr slopes....Southwest 4 to 6 mph. Gusts up to 15 mph
in the evening.
* Chc Wetting Rain...70 percent.
* Mixing Height......300-1300 ft AGL.
* Transport Winds....Northwest around 10 mph in the evening
becoming light.
.SATURDAY...
* Sky/weather........Mostly cloudy. Chance of rain showers in the
morning, then rain showers likely and chance
of thunderstorms in the afternoon.
* Chc of thunder.....50 percent.
* Max Temperature....58-65 valleys and 51-58 ridges.
24 hr trend......7 degrees down.
* Min Humidity.......53-61 percent valleys and 58-66 percent
ridges.
24 hr trend......2 percent down.
* 20ft winds.........
Valleys/lwr slopes...West 4 to 6 mph.
Ridges/upr slopes....West 4 to 7 mph. Gusts up to 15 mph in the
afternoon.
* Chc Wetting Rain...40 percent.
* Mixing Height......6000-7000 ft AGL.
* Transport Winds....Light winds becoming west around 10 mph in the
afternoon.
.Forecast days 3 through 7......
.SUNDAY...Partly cloudy. Chance of showers. Lows 38 to 45. Highs
64 to 71. West winds 5 to 10 mph with gusts to around 15 mph.
.MONDAY...Mostly clear. Lows 39 to 46. Highs 66 to 73. East winds
5 to 10 mph with gusts to around 15 mph.
.TUESDAY...Partly cloudy. Slight chance of rain. Lows 42 to 49.
Highs 67 to 74. Southeast winds 5 to 10 mph with gusts to around
15 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 lower
70s.
$$
.OUTLOOK FOR FRIDAY SEPTEMBER 25 THROUGH THURSDAY OCTOBER 1...
Above normal temperatures and precipitation.
$$