


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
763 FNUS55 KPIH 220915 FWFPIH Fire Weather Planning Forecast for Southeast Idaho National Weather Service Pocatello ID Issued by National Weather Service Boise ID 315 AM MDT Thu May 22 2025 .DISCUSSION... * Central Idaho Dispatch Area weather impact summary (Zones 475 and 476)... Temperatures continue to warm today with highs into the 70s in the eastern Magic Valley and throughout the Snake River Plain and 60s elsewhere. A weak shortwave and cold front will be working through Eastern Idaho, too, bringing a chance for showers and storms mainly north of a line from Sun Valley to Idaho Falls to Driggs. Strong wind gusts up to 50 mph will be the main threat with any storms today, but it will also be breezy outside of storms with widespread gusts of 30 to 35 mph. Total QPF from any storms today is expected to remain around or below a tenth of an inch. * East Idaho Dispatch Area weather impact summary (Zones 410...411 and 413)... Temperatures continue to warm today with highs into the 70s in the eastern Magic Valley and throughout the Snake River Plain and 60s elsewhere. A weak shortwave and cold front will be working through Eastern Idaho, too, bringing a chance for showers and storms mainly north of a line from Sun Valley to Idaho Falls to Driggs. Strong wind gusts up to 50 mph will be the main threat with any storms today, but it will also be breezy outside of storms with widespread gusts of 30 to 35 mph. Total QPF from any storms today is expected to remain around or below a tenth of an inch. * South Central Idaho Dispatch Area weather impact summary (Zones 422...425 and 427)... Temperatures continue to warm today with highs into the 70s in the eastern Magic Valley and throughout the Snake River Plain and 60s elsewhere. A weak shortwave and cold front will be working through Eastern Idaho, too, bringing a chance for showers and storms mainly north of a line from Sun Valley to Idaho Falls to Driggs. Strong wind gusts up to 50 mph will be the main threat with any storms today, but it will also be breezy outside of storms with widespread gusts of 30 to 35 mph. Total QPF from any storms today is expected to remain around or below a tenth of an inch. IDZ475-222215- East Salmon River Mountains/Salmon NF- 315 AM MDT Thu May 22 2025 .Today... * Sky/weather........Cloudy. Chance of rain showers and snow showers in the morning, then rain showers and chance of thunderstorms in the afternoon. * Chc of thunder.....50 percent. * Max Temperature....53-60 valleys and 46-53 ridges. 24 hr trend......Little change. * Min Humidity.......36-44 percent. 24 hr trend......9 percent up. * 20ft winds......... Valleys/lwr slopes...Southeast 4 to 6 mph shifting to the southwest 5 to 10 mph in the afternoon. Ridges/upr slopes....South 5 to 8 mph shifting to the southwest 7 to 12 mph in the afternoon. Gusts up to 20 mph. * Chc Wetting Rain...50 percent. * Mixing Height......9500-10500 ft AGL. * Transport Winds....Southeast around 10 mph increasing to southwest around 20 mph in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy. Chance of showers and thunderstorms in the evening. Widespread frost after midnight. * Chc of thunder.....30 percent. * Min Temperature....32-39 valleys and around 31 ridges. 24 hr trend......5 degrees down. * Max Humidity.......79-87 percent. 24 hr trend......32 percent up. * 20ft winds......... Valleys/lwr slopes...West 6 to 11 mph. Ridges/upr slopes....West 6 to 11 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...10 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....West around 15 mph in the evening becoming light. .FRIDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. Widespread frost in the morning. * Chc of thunder.....0 percent. * Max Temperature....58-65 valleys and 50-57 ridges. 24 hr trend......4 degrees up. * Min Humidity.......27-35 percent valleys and 31-39 percent ridges. 24 hr trend......7 percent down. * 20ft winds......... Valleys/lwr slopes...West 4 to 8 mph. Ridges/upr slopes....West 4 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......9500-10500 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Mostly clear. Lows 33 to 40. Highs 60 to 67. North winds 5 to 10 mph with gusts to around 15 mph. .SUNDAY...Clear. Lows 37 to 44. Highs 65 to 72. Northwest winds 5 to 10 mph with gusts to around 15 mph. .MEMORIAL DAY...Mostly clear. Slight chance of showers and thunderstorms. Lows 41 to 48. Highs 67 to 74. South winds 5 to 10 mph with gusts to around 15 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the mid 40s. Highs in the upper 60s. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs around 70. $$ IDZ476-222215- Lemhi and Lost River Range/Challis NF- 315 AM MDT Thu May 22 2025 .Today... * Sky/weather........Mostly cloudy. Chance of rain and snow in the morning, then rain likely and slight chance of thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....58-65 valleys and 48-55 ridges. 24 hr trend......3 degrees up. * Min Humidity.......27-35 percent valleys and 33-41 percent ridges. 24 hr trend......6 percent up. * 20ft winds......... Valleys/lwr slopes...South 12 to 17 mph. Ridges/upr slopes....South 13 to 18 mph with gusts to around 30 mph. * Chc Wetting Rain...10 percent. * Mixing Height......12000-13000 ft AGL. * Transport Winds....Southeast around 10 mph increasing to southwest around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly clear. Widespread frost after midnight. * Chc of thunder.....0 percent. * Min Temperature....30-37. 24 hr trend......4 degrees down. * Max Humidity.......70-78 percent. 24 hr trend......26 percent up. * 20ft winds......... Valleys/lwr slopes...Northwest 10 to 15 mph. Ridges/upr slopes....Northwest 10 to 15 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....West around 15 mph in the evening becoming light. .FRIDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. Slight chance of rain showers in the afternoon. * Chc of thunder.....0 percent. * Max Temperature....60-67 valleys and 49-56 ridges. 24 hr trend......Little change. * Min Humidity.......24-32 percent valleys and 31-39 percent ridges. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...West 4 to 9 mph. Ridges/upr slopes....West 5 to 10 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......9750-10750 ft AGL. * Transport Winds....Light winds becoming west around 15 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Partly cloudy. Chance of showers. Lows 33 to 40. Highs 58 to 65. North winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Clear. Lows 37 to 44. Highs 63 to 70. Northwest winds 5 to 10 mph with gusts to around 20 mph. .MEMORIAL DAY...Mostly clear. Slight chance of showers. Lows 40 to 47. Highs 66 to 73. South winds 10 to 15 mph with gusts to around 25 mph. .TUESDAY...Partly cloudy with chance of rain and slight chance of thunderstorms. Lows in the mid 40s. Highs in the upper 60s. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs around 70. $$ IDZ422-222215- Sawtooth Range/Northern Sawtooth NF- 315 AM MDT Thu May 22 2025 .Today... * Sky/weather........Cloudy then becoming partly cloudy. Slight chance of snow showers in the morning. Chance of rain showers through the day. Slight chance of thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....59-66 valleys and 45-52 ridges. 24 hr trend......3 degrees up. * Min Humidity.......31-39 percent valleys and 42-50 percent ridges. 24 hr trend......5 percent up. * 20ft winds......... Valleys/lwr slopes...East 5 to 8 mph shifting to the southwest 12 to 17 mph in the afternoon. Ridges/upr slopes....South 6 to 11 mph shifting to the southwest 10 to 15 mph in the afternoon. Gusts up to 25 mph. * Chc Wetting Rain...10 percent. * Mixing Height......10750-11750 ft AGL. * Transport Winds....Southeast around 15 mph increasing to southwest around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Clear. * Chc of thunder.....0 percent. * Min Temperature....30-37. 24 hr trend......4 degrees down. * Max Humidity.......65-73 percent. 24 hr trend......20 percent up. * 20ft winds......... Valleys/lwr slopes...Northwest 12 to 17 mph decreasing to 4 to 7 mph after midnight. Ridges/upr slopes....Northwest 8 to 13 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest 10 to 15 mph. .FRIDAY... * Sky/weather........Sunny then becoming partly cloudy. * Chc of thunder.....0 percent. * Max Temperature....60-67 valleys and 47-54 ridges. 24 hr trend......2 degrees up. * Min Humidity.......30-38 percent valleys and 43-51 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southwest 6 to 11 mph. Ridges/upr slopes....West 6 to 11 mph with gusts to around 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......8750-9750 ft AGL. * Transport Winds....West 10 to 15 mph. .Forecast days 3 through 7...... .SATURDAY...Mostly clear. Slight chance of showers. Lows 33 to 40. Highs 58 to 65. Northwest winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Clear. Lows 36 to 43. Highs 61 to 68. Northwest winds 5 to 10 mph with gusts to around 15 mph. .MEMORIAL DAY...Mostly clear. Lows 40 to 47. Highs 65 to 72. South winds 10 to 15 mph with gusts to around 20 mph. .TUESDAY...Partly cloudy with slight chance of showers. Lows in the mid 40s. Highs in the upper 60s. .WEDNESDAY...Partly cloudy with slight chance of showers. Lows in the mid 40s. Highs in the upper 60s. $$ IDZ425-222215- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 315 AM MDT Thu May 22 2025 .Today... * Sky/weather........Mostly cloudy then becoming mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....69-75. 24 hr trend......6 degrees up. * Min Humidity.......22-27 percent. 24 hr trend......Little change. * 20ft winds.........East winds 6 to 11 mph shifting to the west 13 to 18 mph with gusts to around 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11500-12500 ft AGL. * Transport Winds....East around 15 mph increasing to southwest around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Clear. * Chc of thunder.....0 percent. * Min Temperature....38-43. 24 hr trend......Little change. * Max Humidity.......72-80 percent. 24 hr trend......19 percent up. * 20ft winds.........West winds 12 to 17 mph with gusts to around 30 mph decreasing to 4 to 6 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....West around 20 mph becoming northwest around 10 mph after midnight. .FRIDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 72. 24 hr trend......Little change. * Min Humidity.......23-28 percent. 24 hr trend......Little change. * 20ft winds.........West winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......8250-9250 ft AGL. * Transport Winds....North around 10 mph shifting to the west in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Partly cloudy. Lows 41 to 47. Highs 71 to 76. West winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Clear. Lows in the mid 40s. Highs 75 to 80. Southwest winds 5 to 10 mph with gusts to around 20 mph. .MEMORIAL DAY...Clear. Lows in the lower 50s. Highs 80 to 85. Southeast winds 5 to 10 mph with gusts to around 20 mph. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the lower 80s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid 80s. $$ IDZ427-222215- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 315 AM MDT Thu May 22 2025 .Today... * Sky/weather........Mostly cloudy then becoming partly cloudy. * Chc of thunder.....0 percent. * Max Temperature....72-78 valleys and 64-71 ridges. 24 hr trend......6 degrees up. * Min Humidity.......17-25 percent. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...South 8 to 13 mph shifting to the west 12 to 17 mph in the afternoon. Ridges/upr slopes....South 10 to 15 mph shifting to the southwest 12 to 17 mph in the afternoon. Gusts up to 30 mph. * Chc Wetting Rain...0 percent. * Mixing Height......12000-13000 ft AGL. * Transport Winds....South around 15 mph increasing to southwest around 30 mph in the afternoon. .TONIGHT... * Sky/weather........Clear. * Chc of thunder.....0 percent. * Min Temperature....38-45. 24 hr trend......Little change. * Max Humidity.......63-71 percent. 24 hr trend......15 percent up. * 20ft winds......... Valleys/lwr slopes...West 11 to 16 mph shifting to the southwest 4 to 6 mph after midnight. Ridges/upr slopes....Northwest 12 to 17 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....West around 20 mph decreasing to around 10 mph after midnight. .FRIDAY... * Sky/weather........Sunny then becoming partly cloudy. * Chc of thunder.....0 percent. * Max Temperature....70-75 valleys and 62-69 ridges. 24 hr trend......2 degrees down. * Min Humidity.......23-31 percent. 24 hr trend......6 percent up. * 20ft winds......... Valleys/lwr slopes...Northwest 4 to 8 mph. Ridges/upr slopes....Northwest 4 to 9 mph. Gusts up to 15 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......10250-11250 ft AGL. * Transport Winds....Light winds becoming southwest around 10 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Partly cloudy. Lows 41 to 48. Highs 65 to 72. Northwest winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Clear. Lows 41 to 48. Highs 70 to 77. West winds 10 to 15 mph with gusts to around 25 mph. .MEMORIAL DAY...Clear. Lows 47 to 53. Highs 75 to 82. Southeast winds 10 to 15 mph with gusts to around 20 mph. .TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the upper 70s. .WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs around 80. $$ IDZ410-222215- Upper Snake River Valley/Idaho Falls BLM- 315 AM MDT Thu May 22 2025 .Today... * Sky/weather........Mostly cloudy then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....10 percent. * Max Temperature....65-72. 24 hr trend......7 degrees up. * Min Humidity.......24-32 percent. 24 hr trend......Little change. * 20ft winds.........East winds 5 to 8 mph with gusts to around 20 mph shifting to the southwest 13 to 18 mph with gusts to around 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......12500-13500 ft AGL. * Transport Winds....East around 10 mph increasing to southwest around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Clear. * Chc of thunder.....0 percent. * Min Temperature....35-41. 24 hr trend......Little change. * Max Humidity.......70-78 percent. 24 hr trend......12 percent up. * 20ft winds.........West winds 13 to 18 mph with gusts to around 30 mph shifting to the northwest 5 to 8 mph with gusts to around 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....West around 20 mph becoming northwest around 10 mph after midnight. .FRIDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....64-71. 24 hr trend......Little change. * Min Humidity.......25-33 percent. 24 hr trend......Little change. * 20ft winds.........Southwest winds 6 to 11 mph with gusts to around 20 mph. * Chc Wetting Rain...0 percent. * Mixing Height......9000-10000 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 39 to 45. Highs 66 to 73. North winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Clear. Lows 40 to 45. Highs 69 to 76. North winds 5 to 10 mph with gusts to around 15 mph. .MEMORIAL DAY...Clear. Lows 43 to 48. Highs 74 to 81. Southeast winds 10 to 15 mph with gusts to around 20 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the upper 70s. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs around 80. $$ IDZ411-222215- Centennial Mountains and Snake River Range/Targhee NF- 315 AM MDT Thu May 22 2025 .Today... * Sky/weather........Mostly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....Around 65 valleys and 55-62 ridges. 24 hr trend......7 degrees up. * Min Humidity.......28-36 percent valleys and 33-41 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...East 4 to 6 mph shifting to the south 6 to 11 mph in the afternoon. Ridges/upr slopes....Southeast 6 to 9 mph shifting to the south 10 to 15 mph in the afternoon. Gusts up to 25 mph. * Chc Wetting Rain...0 percent. * Mixing Height......10000-11000 ft AGL. * Transport Winds....Southeast around 10 mph increasing to southwest around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly clear. Slight chance of rain showers in the evening. * Chc of thunder.....0 percent. * Min Temperature....31-37. 24 hr trend......Little change. * Max Humidity.......78-86 percent valleys and 71-79 percent ridges. 24 hr trend......14 percent up. * 20ft winds......... Valleys/lwr slopes...West 5 to 10 mph shifting to the northeast around 4 mph after midnight. Ridges/upr slopes....West 8 to 13 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. * Chc Wetting Rain...10 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....West 10 to 15 mph. .FRIDAY... * Sky/weather........Mostly sunny. Slight chance of rain showers in the afternoon. * Chc of thunder.....0 percent. * Max Temperature....Around 64 valleys and 54-61 ridges. 24 hr trend......Little change. * Min Humidity.......29-35 percent valleys and 33-41 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southwest 4 to 9 mph. Ridges/upr slopes....Southwest 4 to 9 mph with gusts to around 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......7750-8750 ft AGL. * Transport Winds....West 10 to 15 mph. .Forecast days 3 through 7...... .SATURDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 35 to 42. Highs 56 to 63. North winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Mostly clear. Slight chance of showers. Lows 35 to 41. Highs 59 to 66. North winds 5 to 10 mph with gusts to around 20 mph. .MEMORIAL DAY...Clear. Lows 37 to 43. Highs 63 to 70. Southeast winds 10 to 15 mph with gusts to around 20 mph. .TUESDAY...Partly cloudy with chance of showers and slight chance of thunderstorms. Lows in the lower 40s. Highs in the upper 60s. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the mid 40s. Highs around 70. $$ IDZ413-222215- Caribou Range/Caribou NF- 315 AM MDT Thu May 22 2025 .Today... * Sky/weather........Partly cloudy. * Chc of thunder.....0 percent. * Max Temperature....67-74 valleys and 59-66 ridges. 24 hr trend......8 degrees up. * Min Humidity.......22-30 percent valleys and 27-35 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southeast 6 to 11 mph shifting to the southwest 11 to 16 mph in the afternoon. Ridges/upr slopes....Southeast 7 to 12 mph shifting to the southwest 11 to 16 mph in the afternoon. Gusts up to 25 mph. * Chc Wetting Rain...0 percent. * Mixing Height......12250-13250 ft AGL. * Transport Winds....Southeast around 15 mph increasing to southwest around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....37-44. 24 hr trend......2 degrees up. * Max Humidity.......59-67 percent. 24 hr trend......3 percent up. * 20ft winds......... Valleys/lwr slopes...Northwest 10 to 15 mph. Ridges/upr slopes....Northwest 10 to 15 mph. Gusts up to 25 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Northwest around 15 mph in the evening becoming light. .FRIDAY... * Sky/weather........Mostly sunny. * Chc of thunder.....0 percent. * Max Temperature....65-72 valleys and 58-65 ridges. 24 hr trend......2 degrees down. * Min Humidity.......24-32 percent valleys and 28-36 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...West 4 to 8 mph. Ridges/upr slopes....West 4 to 9 mph with gusts to around 15 mph. * Chc Wetting Rain...0 percent. * Mixing Height......9250-10250 ft AGL. * Transport Winds....Light winds becoming west around 10 mph in the afternoon. .Forecast days 3 through 7...... .SATURDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 41 to 48. Highs 64 to 71. North winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Mostly clear. Slight chance of showers. Lows 39 to 46. Highs 66 to 73. North winds 10 to 15 mph with gusts to around 20 mph. .MEMORIAL DAY...Clear. Lows 41 to 48. Highs 70 to 77. Southeast winds 10 to 15 mph with gusts to around 20 mph. .TUESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. .WEDNESDAY...Partly cloudy with slight chance of showers and thunderstorms. Lows in the upper 40s. Highs in the mid 70s. $$ .OUTLOOK for Thursday May 29th to Wednesday June 4th: ABOVE NORMAL temperatures and BELOW to NEAR NORMAL precipitation. $$