


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
505 FNUS55 KPIH 070933 FWFPIH Fire Weather Planning Forecast for Southeast Idaho National Weather Service Pocatello ID 333 AM MDT Sun Sep 7 2025 .DISCUSSION... * Central Idaho Dispatch Area weather impact summary (Zones 475 and 476)... Showers and thunderstorms reappear this afternoon and continue into the evening. Humidity stays high and temperatures stay the same or cool slightly. Skies clear as the moist and very unstable air moves out late tonight. Expect a dry Monday with much lower afternoon humidity, even though temperatures actually continue to cool. Showers and thunderstorms return on Tuesday and continue through Friday. * East Idaho Dispatch Area weather impact summary (Zones 410...411 and 413)... Showers and thunderstorms reappear this afternoon and continue into the evening. Humidity stays high and temperatures stay the same or cool slightly. Skies clear as the moist and very unstable air moves out late tonight. Expect a dry Monday with much lower afternoon humidity, even though temperatures actually continue to cool. Showers and thunderstorms return on Tuesday and continue through Friday. * South Central Idaho Dispatch Area weather impact summary (Zones 422...425 and 427)... Showers and thunderstorms reappear this afternoon and continue into the evening. Humidity stays high and temperatures stay the same or cool slightly. Skies clear as the moist and very unstable air moves out late tonight. Expect a dry Monday with much lower afternoon humidity, even though temperatures actually continue to cool. Showers and thunderstorms return on Tuesday and continue through Friday. IDZ475-072330- East Salmon River Mountains/Salmon NF- 333 AM MDT Sun Sep 7 2025 .Today... * Sky/weather........Partly cloudy. Areas of smoke through the day. Chance of showers and thunderstorms in the afternoon. * Chc of thunder.....40 percent. * Max Temperature....71-78 valleys. 62-68 ridges. 24 hr trend......Little change. * Min Humidity.......28-36 percent. 24 hr trend......3 percent up. * 20ft wind.......... Valleys/lwr slopes...Southwest 2 to 9 mph. Ridges/upr slopes....Southwest 2 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...30 percent. * Mixing Height......11000-12000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .TONIGHT... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....43-50. 24 hr trend......2 degrees down. * Max Humidity.......77-85 percent. 24 hr trend......5 percent up. * 20ft wind.......... Valleys/lwr slopes...South 2 to 8 mph. Ridges/upr slopes....South 2 to 8 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...20 percent. * Mixing Height......700-1700 ft AGL. * Transport Winds....Southwest 10 mph in the evening. .MONDAY... * Sky/weather........Partly cloudy. * Chc of thunder.....Zero. * Max Temperature....69-76 valleys. 61-67 ridges. 24 hr trend......Little change. * Min Humidity.......22-30 percent. 24 hr trend......7 percent down. * 20ft wind.......... Valleys/lwr slopes...Southwest 2 to 8 mph. Ridges/upr slopes....Southwest 2 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...Zero. * Mixing Height......10500-11500 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy. Chance of showers and thunderstorms. Lows 45 to 52. Highs 61 to 68. South wind 5 to 10 mph with gusts to 15 mph. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 41 to 48. Highs 58 to 65. Northeast wind 5 to 10 mph with gusts to 15 mph. .THURSDAY...Showers likely and slight chance of thunderstorms. Lows 41 to 48. Highs 57 to 64. South wind 5 to 10 mph with gusts to 15 mph. .FRIDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. .SATURDAY...Partly cloudy. Chance of showers. Lows in the lower 40s. Highs in the upper 50s. $$ IDZ476-072330- Lemhi and Lost River Range/Challis NF- 333 AM MDT Sun Sep 7 2025 .Today... * Sky/weather........Partly cloudy then becoming mostly cloudy. Areas of smoke through the day. Chance of showers and thunderstorms in the afternoon. * Chc of thunder.....50 percent. * Max Temperature....71-78 valleys. 60-67 ridges. 24 hr trend......Little change. * Min Humidity.......27-35 percent valleys. 32-40 percent ridges. 24 hr trend......2 percent up. * 20ft wind.......... Valleys/lwr slopes...Southwest 2 to 9 mph. Ridges/upr slopes....Southwest 4 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...40 percent. * Mixing Height......11000-12000 ft AGL. * Transport Winds....West 10 to 15 mph. .TONIGHT... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....42-49. 24 hr trend......2 degrees down. * Max Humidity.......79-87 percent valleys. 74-82 percent ridges. 24 hr trend......5 percent up. * 20ft wind.......... Valleys/lwr slopes...West 3 to 9 mph shifting to the south 2 to 6 mph after midnight. Ridges/upr slopes....Southwest 2 to 9 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...10 percent. * Mixing Height......700-1700 ft AGL. * Transport Winds....Southwest 10 mph in the evening. .MONDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. * Chc of thunder.....Zero. * Max Temperature....70-77 valleys. 60-67 ridges. 24 hr trend......Little change. * Min Humidity.......20-28 percent. 24 hr trend......10 percent down. * 20ft wind.......... Valleys/lwr slopes...Southwest 2 to 9 mph. Ridges/upr slopes....Southwest 4 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...Zero. * Mixing Height......10250-11250 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .Forecast days 3 through 7...... .TUESDAY...Showers likely and chance of thunderstorms. Lows 45 to 52. Highs 61 to 68. South wind 5 to 10 mph with gusts to 20 mph. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 41 to 48. Highs 58 to 65. Southwest wind 10 to 15 mph with gusts to 20 mph. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 40 to 47. Highs 57 to 64. South wind 5 to 10 mph with gusts to 20 mph. .FRIDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. .SATURDAY...Partly cloudy with chance of showers. Lows in the lower 40s. Highs in the upper 50s. $$ IDZ422-072330- Sawtooth Range/Northern Sawtooth NF- 333 AM MDT Sun Sep 7 2025 .Today... * Sky/weather........Mostly sunny then becoming mostly cloudy. Chance of showers and thunderstorms in the afternoon. * Chc of thunder.....50 percent. * Max Temperature....72-79 valleys. 61-68 ridges. 24 hr trend......3 degrees up. * Min Humidity.......27-35 percent valleys. 33-41 percent ridges. 24 hr trend......2 percent down. * 20ft wind.......... Valleys/lwr slopes...Southwest 2 to 9 mph. Ridges/upr slopes....Southwest 2 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......10750-11750 ft AGL. * Transport Winds....West 10 to 15 mph. .TONIGHT... * Sky/weather........Mostly clear. * Chc of thunder.....Zero. * Min Temperature....43-50. 24 hr trend......3 degrees down. * Max Humidity.......72-80 percent. 24 hr trend......3 percent up. * 20ft wind.......... Valleys/lwr slopes...West 3 to 9 mph shifting to the north 2 to 6 mph after midnight. Ridges/upr slopes....Southwest 2 to 9 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...10 percent. * Mixing Height......800-1800 ft AGL. * Transport Winds....West 10 mph in the evening. .MONDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. * Chc of thunder.....Zero. * Max Temperature....71-78 valleys. 60-67 ridges. 24 hr trend......Little change. * Min Humidity.......17-25 percent valleys. 21-29 percent ridges. 24 hr trend......10 percent down. * 20ft wind.......... Valleys/lwr slopes...North 2 to 6 mph shifting to the southwest 2 to 9 mph in the afternoon. Ridges/upr slopes....Southwest 2 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...Zero. * Mixing Height......10750-11750 ft AGL. * Transport Winds....Southwest 10 mph increasing to 20 mph. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 44 to 51. Highs 61 to 68. Southeast wind 5 to 10 mph with gusts to 15 mph. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 40 to 47. Highs 58 to 65. East wind 5 to 10 mph with gusts to 15 mph. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 39 to 46. Highs 56 to 63. Southeast wind 5 to 10 mph with gusts to 15 mph. .FRIDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. .SATURDAY...Partly cloudy with chance of showers. Lows around 40. Highs around 60. $$ IDZ425-072330- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 333 AM MDT Sun Sep 7 2025 .Today... * Sky/weather........Partly cloudy. Areas of smoke in the morning. Chance of rain showers and slight chance of thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....Around 84. 24 hr trend......7 degrees up. * Min Humidity.......26-34 percent. 24 hr trend......3 percent down. * 20ft wind..........East 2 to 7 mph shifting to the southwest 4 to 9 mph with gusts to 15 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......9500-10500 ft AGL. * Transport Winds....East 10 mph shifting to the southwest. .TONIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....Zero. * Min Temperature....Around 52. 24 hr trend......3 degrees down. * Max Humidity.......81-89 percent. 24 hr trend......5 percent up. * 20ft wind..........Northwest 4 to 9 mph with gusts to 15 mph shifting to the northeast 2 to 6 mph after midnight. * Chc Wetting Rain...Zero. * Mixing Height......900-1900 ft AGL. * Transport Winds....Southeast 15 mph shifting to the northeast. .MONDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. * Chc of thunder.....Zero. * Max Temperature....Around 83. 24 hr trend......2 degrees down. * Min Humidity.......18-26 percent. 24 hr trend......8 percent down. * 20ft wind..........East 2 to 7 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...Zero. * Mixing Height......12000-13000 ft AGL. * Transport Winds....East 10 mph shifting to the south. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy. Chance of showers. Lows in the mid 50s. Highs in the upper 70s. South wind 5 to 10 mph with gusts to around 15 mph. .WEDNESDAY...Partly cloudy. Slight chance of showers. Lows in the upper 40s. Highs 71 to 76. West wind 5 to 10 mph with gusts to around 15 mph. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the upper 40s. Highs in the lower 70s. Southwest wind 5 to 10 mph with gusts to 15 mph. .FRIDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the upper 60s. .SATURDAY...Partly cloudy. Slight chance of showers. Lows in the mid 40s. Highs in the lower 70s. $$ IDZ427-072330- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 333 AM MDT Sun Sep 7 2025 .Today... * Sky/weather........Partly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....Around 83 valleys. 74-81 ridges. 24 hr trend......7 degrees up. * Min Humidity.......22-30 percent. 24 hr trend......10 percent down. * 20ft wind.......... Valleys/lwr slopes...Southeast 2 to 8 mph shifting to the southwest 2 to 9 mph in the afternoon. Ridges/upr slopes....Southwest 2 to 9 mph with gusts to 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......10000-11000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .TONIGHT... * Sky/weather........Partly cloudy. * Chc of thunder.....Zero. * Min Temperature....50-57. 24 hr trend......3 degrees down. * Max Humidity.......67-75 percent valleys. 56-64 percent ridges. 24 hr trend......3 percent down. * 20ft wind.......... Valleys/lwr slopes...West 3 to 9 mph shifting to the south 2 to 7 mph after midnight. Ridges/upr slopes....Northwest 2 to 9 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...Zero. * Mixing Height......900-1900 ft AGL. * Transport Winds....Southwest 10 mph in the evening. .MONDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....Zero. * Max Temperature....Around 82 valleys. 73-80 ridges. 24 hr trend......Little change. * Min Humidity.......16-24 percent. 24 hr trend......5 percent down. * 20ft wind.......... Valleys/lwr slopes...Southeast 2 to 9 mph. Ridges/upr slopes....Southeast 2 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...Zero. * Mixing Height......12000-13000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Slight chance of showers. Lows 50 to 57. Highs 69 to 76. Southwest wind 5 to 10 mph with gusts to around 15 mph. .WEDNESDAY...Mostly cloudy. Slight chance of showers. Lows 46 to 53. Highs 66 to 73. West wind 5 to 10 mph with gusts to 20 mph. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 43 to 50. Highs 64 to 71. West wind 5 to 10 mph with gusts to 20 mph. .FRIDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the mid 40s. Highs in the mid 60s. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the mid 40s. Highs in the upper 60s. $$ IDZ410-072330- Upper Snake River Valley/Idaho Falls BLM- 333 AM MDT Sun Sep 7 2025 .Today... * Sky/weather........Partly cloudy. Chance of showers and thunderstorms in the afternoon. * Chc of thunder.....40 percent. * Max Temperature....75-82. 24 hr trend......Little change. * Min Humidity.......27-35 percent. 24 hr trend......2 percent up. * 20ft wind..........East 2 to 7 mph shifting to the southwest 5 to 10 mph in the afternoon. Gusts up to 15 mph. * Chc Wetting Rain...20 percent. * Mixing Height......10000-11000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .TONIGHT... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....45-51. 24 hr trend......2 degrees down. * Max Humidity.......82-90 percent. 24 hr trend......6 percent up. * 20ft wind..........Northeast 5 to 10 mph. Gusts up to 15 mph. * Chc Wetting Rain...20 percent. * Mixing Height......800-1800 ft AGL. * Transport Winds....West 10 mph in the evening. .MONDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. * Chc of thunder.....Zero. * Max Temperature....74-81. 24 hr trend......Little change. * Min Humidity.......18-26 percent. 24 hr trend......9 percent down. * 20ft wind..........Northeast 2 to 6 mph shifting to the southwest 3 to 9 mph with gusts to 15 mph in the afternoon. * Chc Wetting Rain...Zero. * Mixing Height......11250-12250 ft AGL. * Transport Winds....North 10 mph shifting to the southwest. .Forecast days 3 through 7...... .TUESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 48 to 54. Highs 72 to 79. East wind 10 to 15 mph with gusts to 20 mph. .WEDNESDAY...Mostly cloudy. Chance of showers. Lows 44 to 51. Highs 69 to 76. Southeast wind 5 to 10 mph with gusts to 20 mph. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 44 to 50. Highs 67 to 74. South wind 5 to 10 mph with gusts to 15 mph. .FRIDAY...Mostly cloudy with showers likely and slight chance of thunderstorms. Lows in the mid 40s. Highs in the mid 60s. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 60s. $$ IDZ411-072330- Centennial Mountains and Snake River Range/Targhee NF- 333 AM MDT Sun Sep 7 2025 .Today... * Sky/weather........Partly cloudy. Slight chance of thunderstorms in the morning. Chance of rain showers through the day. Chance of thunderstorms in the afternoon. * Chc of thunder.....50 percent. * Max Temperature....Around 77 valleys. 66-73 ridges. 24 hr trend......2 degrees down. * Min Humidity.......34-42 percent. 24 hr trend......6 percent up. * 20ft wind.......... Valleys/lwr slopes...Southeast 2 to 6 mph shifting to the southwest 2 to 8 mph in the afternoon. Ridges/upr slopes....Southwest 2 to 9 mph with gusts to 20 mph. * Chc Wetting Rain...20 percent. * Mixing Height......9500-10500 ft AGL. * Transport Winds....South 10 mph increasing to west 20 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....42-49. 24 hr trend......Little change. * Max Humidity.......89-97 percent valleys. 79-87 percent ridges. 24 hr trend......10 percent up. * 20ft wind.......... Valleys/lwr slopes...Southeast 2 to 8 mph shifting to the northeast 1 to 5 mph after midnight. Ridges/upr slopes....South 2 to 9 mph. Gusts up to 15 mph in the evening. * Chc Wetting Rain...20 percent. * Mixing Height......900-1900 ft AGL. * Transport Winds....Southwest 10 mph in the evening. .MONDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. * Chc of thunder.....Zero. * Max Temperature....Around 75 valleys. 65-72 ridges. 24 hr trend......Little change. * Min Humidity.......25-33 percent. 24 hr trend......9 percent down. * 20ft wind.......... Valleys/lwr slopes...East 1 to 5 mph shifting to the southwest 2 to 7 mph in the afternoon. Ridges/upr slopes....Southeast 2 to 6 mph shifting to the southwest 3 to 9 mph with gusts to 15 mph in the afternoon. * Chc Wetting Rain...Zero. * Mixing Height......10000-11000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .Forecast days 3 through 7...... .TUESDAY...Showers likely and slight chance of thunderstorms. Lows 45 to 52. Highs 64 to 71. Southeast wind 5 to 10 mph with gusts to 20 mph. .WEDNESDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 42 to 49. Highs 62 to 69. Southeast wind 10 to 15 mph with gusts to 20 mph. .THURSDAY...Showers likely and slight chance of thunderstorms. Lows 42 to 49. Highs 59 to 66. Southeast wind 5 to 10 mph with gusts to 20 mph. .FRIDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. .SATURDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 50s. $$ IDZ413-072330- Caribou Range/Caribou NF- 333 AM MDT Sun Sep 7 2025 .Today... * Sky/weather........Partly cloudy. Chance of showers and thunderstorms in the afternoon. * Chc of thunder.....40 percent. * Max Temperature....76-83 valleys. 68-75 ridges. 24 hr trend......3 degrees up. * Min Humidity.......26-34 percent. 24 hr trend......3 percent down. * 20ft wind.......... Valleys/lwr slopes...Southeast 2 to 8 mph shifting to the southwest 3 to 9 mph in the afternoon. Ridges/upr slopes....Southwest 4 to 9 mph with gusts to 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......10000-11000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .TONIGHT... * Sky/weather........Partly cloudy. Slight chance of showers and thunderstorms in the evening. * Chc of thunder.....20 percent. * Min Temperature....46-53. 24 hr trend......Little change. * Max Humidity.......73-81 percent valleys. 69-77 percent ridges. 24 hr trend......2 percent down. * 20ft wind.......... Valleys/lwr slopes...South 3 to 9 mph shifting to the east 2 to 6 mph after midnight. Ridges/upr slopes....South 2 to 9 mph. Gusts up to 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......800-1800 ft AGL. * Transport Winds....South 10 mph in the evening. .MONDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. * Chc of thunder.....Zero. * Max Temperature....75-82 valleys. 68-75 ridges. 24 hr trend......Little change. * Min Humidity.......20-28 percent. 24 hr trend......7 percent down. * 20ft wind.......... Valleys/lwr slopes...Southeast 1 to 5 mph shifting to the southwest 2 to 8 mph in the afternoon. Ridges/upr slopes....Southeast 2 to 6 mph shifting to the southwest 3 to 9 mph with gusts to 15 mph in the afternoon. * Chc Wetting Rain...Zero. * Mixing Height......12000-13000 ft AGL. * Transport Winds....South 10 mph shifting to the southwest. .Forecast days 3 through 7...... .TUESDAY...Partly cloudy. Chance of showers. Lows 48 to 55. Highs 71 to 78. Southeast wind 10 to 15 mph with gusts to 20 mph. .WEDNESDAY...Mostly cloudy. Chance of showers. Lows 45 to 52. Highs 68 to 75. Southeast wind 5 to 10 mph with gusts to 20 mph. .THURSDAY...Mostly cloudy. Chance of showers and slight chance of thunderstorms. Lows 44 to 51. Highs 65 to 72. Southeast wind 5 to 10 mph with gusts to 20 mph. .FRIDAY...Mostly cloudy with showers likely and chance of thunderstorms. Lows in the mid 40s. Highs in the mid 60s. .SATURDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the mid 60s. $$ .OUTLOOK from Sunday September 14 to Saturday September 20: Moderate confidence of above normal temperatures. Moderate confidence of above normal precipitation. $$ Messick $$