


Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS Pocatello, ID
Issued by NWS Pocatello, ID
693 FNUS55 KPIH 130929 FWFPIH Fire Weather Planning Forecast for Southeast Idaho National Weather Service Pocatello ID 329 AM MDT Wed Aug 13 2025 ....RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS FOR FIRE WEATHER ZONES 411, 413, 427, 475 AND 476... ...RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 410, 422 AND 425... .DISCUSSION... * Central Idaho Dispatch Area weather impact summary (Zones 475 and 476)... ....RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS FOR FIRE WEATHER ZONES 475 AND 476... Isolated thunderstorms are expected this afternoon, particularly across the eastern portion of Zone 476. Some storms could produce gusts in excess of 45 mph. Outside of storms, look for min RHs between 10 and 20 percent and wind gusts of 30 to 35 mph. These afternoon isolated thunderstorms, breezy conditions, and low RHs will continue through the rest of the week. * East Idaho Dispatch Area weather impact summary (Zones 410...411 and 413)... ....RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS FOR FIRE WEATHER ZONES 411 AND 413... ....RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 410... Isolated thunderstorms are expected this afternoon, particularly across the higher elevations. Some storms could produce gusts in excess of 45 mph. Outside of storms, look for min RHs between 10 and 20 percent and wind gusts of 30 to 35 mph. These afternoon isolated thunderstorms, breezy conditions, and low RHs will continue through the rest of the week. * South Central Idaho Dispatch Area weather impact summary (Zones 422...425 and 427)... ....RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR GUSTY WINDS, LOW RELATIVE HUMIDITY, AND ISOLATED THUNDERSTORMS FOR FIRE WEATHER ZONE 427... ....RED FLAG WARNING IN EFFECT FROM NOON TO 10 PM MDT WEDNESDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 422 AND 425... Isolated thunderstorms are expected this afternoon, particularly across the higher elevations. Some storms could produce gusts in excess of 45 mph. Outside of storms, look for min RHs between 10 and 20 percent and wind gusts of 30 to 35 mph. These afternoon isolated thunderstorms, breezy conditions, and low RHs will continue through the rest of the week. IDZ475-132215- East Salmon River Mountains/Salmon NF- 329 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING... .Today... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....80-87 valleys and 71-77 ridges. 24 hr trend......Little change. * Min Humidity.......13-20 percent. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 12 to 17 mph. Ridges/upr slopes....West 12 to 17 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Clear. * Chc of thunder.....0 percent. * Min Temperature....49-56. 24 hr trend......4 degrees down. * Max Humidity.......41-49 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...West 11 to 16 mph decreasing to 4 to 6 mph after midnight. Ridges/upr slopes....West 12 to 17 mph with gusts to around 25 mph decreasing to 4 to 7 mph with gusts to around 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. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....77-84 valleys and 67-74 ridges. 24 hr trend......3 degrees down. * Min Humidity.......13-19 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southwest 9 to 14 mph. Ridges/upr slopes....Southwest 10 to 15 mph. Gusts up to 15 mph increasing to 25 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11500-12500 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west around 25 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 47 to 54. Highs 72 to 79. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 47 to 54. Highs 73 to 80. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 48 to 55. Highs 72 to 79. Southwest winds 10 to 15 mph with gusts to around 20 mph. .MONDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. $$ IDZ476-132215- Lemhi and Lost River Range/Challis NF- 329 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING... .Today... * Sky/weather........Sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....10 percent. * Max Temperature....83-90 valleys and 72-79 ridges. 24 hr trend......Little change. * Min Humidity.......13-18 percent. 24 hr trend......2 percent down. * 20ft winds......... Valleys/lwr slopes...Southwest 14 to 19 mph. Ridges/upr slopes....Southwest 15 to 20 mph. Gusts up to 20 mph increasing to 35 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......14750-16250 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Clear. * Chc of thunder.....0 percent. * Min Temperature....48-55. 24 hr trend......4 degrees down. * Max Humidity.......38-46 percent. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...West 14 to 19 mph decreasing to 4 to 7 mph after midnight. Ridges/upr slopes....West 14 to 19 mph with gusts to around 30 mph decreasing to 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 decreasing to around 10 mph after midnight. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....80-87 valleys and 68-75 ridges. 24 hr trend......3 degrees down. * Min Humidity.......13-18 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southwest 4 to 7 mph shifting to the west 12 to 17 mph in the afternoon. Ridges/upr slopes....Southwest 12 to 17 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......13750-14750 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west around 25 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 46 to 53. Highs 74 to 81. Southwest winds 10 to 15 mph with gusts to around 30 mph. .SATURDAY...Mostly clear. Lows 46 to 53. Highs 73 to 80. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 47 to 54. Highs 72 to 79. Southwest winds 10 to 15 mph with gusts to around 25 mph. .MONDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the mid 70s. .TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the upper 70s. $$ IDZ422-132215- Sawtooth Range/Northern Sawtooth NF- 329 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING... .Today... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....83-90 valleys and 70-77 ridges. 24 hr trend......Little change. * Min Humidity.......14 percent valleys and 15-23 percent ridges. 24 hr trend......3 percent down. * 20ft winds......... Valleys/lwr slopes...West 12 to 17 mph. Ridges/upr slopes....West 12 to 17 mph. Gusts up to 20 mph increasing to 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....West around 10 mph increasing to around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Clear. * Chc of thunder.....0 percent. * Min Temperature....50-57. 24 hr trend......4 degrees down. * Max Humidity.......36-44 percent. 24 hr trend......6 percent up. * 20ft winds......... Valleys/lwr slopes...West 13 to 18 mph becoming northwest 4 to 7 mph after midnight. Ridges/upr slopes....West 12 to 17 mph with gusts to around 25 mph decreasing to 4 to 7 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 decreasing to around 10 mph after midnight. .THURSDAY... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....79-86 valleys and 67-74 ridges. 24 hr trend......4 degrees down. * Min Humidity.......13-18 percent valleys and 16-24 percent ridges. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...West 4 to 6 mph shifting to the southwest 11 to 16 mph in the afternoon. Ridges/upr slopes....West 10 to 15 mph. Gusts up to 15 mph increasing to 25 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11500-12500 ft AGL. * Transport Winds....West around 10 mph increasing to around 25 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows 47 to 54. Highs 73 to 80. West winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Clear. Lows 48 to 55. Highs 74 to 81. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 48 to 55. Highs 73 to 80. Southwest winds 10 to 15 mph with gusts to around 20 mph. .MONDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. .TUESDAY...Clear. Lows in the lower 50s. Highs in the upper 70s. $$ IDZ425-132215- Middle Snake River Valley/Twin Falls BLM north of the Snake River- 329 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING... .Today... * Sky/weather........Sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 96. 24 hr trend......2 degrees up. * Min Humidity.......13-21 percent. 24 hr trend......Little change. * 20ft winds.........East winds 4 to 7 mph with gusts to around 15 mph shifting to the west 12 to 17 mph with gusts to around 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......13500-14500 ft AGL. * Transport Winds....Southeast around 10 mph increasing to west around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....57-62. 24 hr trend......Little change. * Max Humidity.......42-50 percent. 24 hr trend......5 percent up. * 20ft winds.........West winds 14 to 19 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 decreasing to around 10 mph after midnight. .THURSDAY... * Sky/weather........Partly cloudy then becoming sunny. * Chc of thunder.....0 percent. * Max Temperature....Around 91. 24 hr trend......4 degrees down. * Min Humidity.......14-22 percent. 24 hr trend......Little change. * 20ft winds.........Southwest winds 10 to 15 mph. Gusts up to 15 mph increasing to 25 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......11500-12500 ft AGL. * Transport Winds....West around 10 mph increasing to around 20 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Clear. Lows in the mid 50s. Highs in the upper 80s. West winds 10 to 15 mph with gusts to around 25 mph. .SATURDAY...Mostly clear. Lows in the upper 50s. Highs around 90. Southwest winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows in the upper 50s. Highs around 90. South winds 10 to 15 mph with gusts to around 20 mph. .MONDAY...Mostly clear. Lows in the upper 50s. Highs in the lower 90s. .TUESDAY...Clear. Lows in the upper 50s. Highs in the lower 90s. $$ IDZ427-132215- Goose Creek and Raft River Valley/Southern Sawtooth NF/Twin Falls BLM south of the Snake River- 329 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING... .Today... * Sky/weather........Sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....92-97 valleys and 84-91 ridges. 24 hr trend......Little change. * Min Humidity.......13-20 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...South 5 to 8 mph shifting to the west 9 to 14 mph in the afternoon. Ridges/upr slopes....Southwest 5 to 8 mph shifting to the west 8 to 13 mph in the afternoon. Gusts up to 20 mph. * Chc Wetting Rain...10 percent. * Mixing Height......14750-16250 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west around 20 mph in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy. Slight chance of rain showers in the evening. * Chc of thunder.....0 percent. * Min Temperature....59-66. 24 hr trend......2 degrees down. * Max Humidity.......38-46 percent. 24 hr trend......13 percent up. * 20ft winds......... Valleys/lwr slopes...West 10 to 15 mph shifting to the southwest 4 to 6 mph after midnight. Ridges/upr slopes....West 9 to 14 mph. Gusts up to 20 mph in the evening. * Chc Wetting Rain...0 percent. * Mixing Height......0-1000 ft AGL. * Transport Winds....Southwest 10 to 15 mph. .THURSDAY... * 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....87-92 valleys and 80-87 ridges. 24 hr trend......5 degrees down. * Min Humidity.......14-22 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...West 6 to 11 mph. Ridges/upr slopes....West 6 to 11 mph with gusts to around 15 mph. * Chc Wetting Rain...10 percent. * Mixing Height......12750-13750 ft AGL. * Transport Winds....West 10 to 15 mph. .Forecast days 3 through 7...... .FRIDAY...Partly cloudy. Slight chance of showers. Lows 55 to 62. Highs 81 to 88. West winds 10 to 15 mph with gusts to around 20 mph. .SATURDAY...Partly cloudy. Lows 56 to 63. Highs 81 to 88. Southwest winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 54 to 61. Highs 81 to 88. South winds 10 to 15 mph with gusts to around 20 mph. .MONDAY...Clear. Lows in the upper 50s. Highs in the mid 80s. .TUESDAY...Clear. Lows in the upper 50s. Highs in the upper 80s. $$ IDZ410-132215- Upper Snake River Valley/Idaho Falls BLM- 329 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING... .Today... * Sky/weather........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....88-95. 24 hr trend......3 degrees up. * Min Humidity.......14 percent. 24 hr trend......Little change. * 20ft winds.........East winds 4 to 7 mph with gusts to around 15 mph increasing to southwest 13 to 18 mph with gusts to around 30 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......15000-16500 ft AGL. * Transport Winds....South around 10 mph increasing to west around 25 mph in the afternoon. .TONIGHT... * Sky/weather........Mostly clear. * Chc of thunder.....0 percent. * Min Temperature....53-60. 24 hr trend......Little change. * Max Humidity.......42-50 percent. 24 hr trend......Little change. * 20ft winds.........West winds 15 to 20 mph with gusts to around 30 mph decreasing to 7 to 10 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 decreasing to around 10 mph after midnight. .THURSDAY... * Sky/weather........Partly cloudy then becoming mostly sunny. Slight chance of rain showers in the afternoon. * Chc of thunder.....0 percent. * Max Temperature....85-92. 24 hr trend......4 degrees down. * Min Humidity.......12-17 percent. 24 hr trend......Little change. * 20ft winds.........South winds 4 to 6 mph with gusts to around 15 mph shifting to the southwest 11 to 16 mph with gusts to around 25 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......14500-15500 ft AGL. * Transport Winds....Southwest around 10 mph increasing to around 20 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Lows 51 to 58. Highs 83 to 90. Southwest winds 10 to 20 mph with gusts to around 25 mph. .SATURDAY...Mostly clear. Lows 51 to 58. Highs 82 to 89. South winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 51 to 57. Highs 82 to 89. South winds 10 to 15 mph with gusts to around 20 mph. .MONDAY...Mostly clear. Lows in the mid 50s. Highs in the upper 80s. .TUESDAY...Clear. Lows in the mid 50s. Highs in the upper 80s. $$ IDZ411-132215- Centennial Mountains and Snake River Range/Targhee NF- 329 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING... .Today... * Sky/weather........Mostly sunny then becoming partly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....Around 88 valleys and 77-84 ridges. 24 hr trend......Little change. * Min Humidity.......14-21 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southwest 10 to 15 mph. Ridges/upr slopes....Southwest 10 to 15 mph. Gusts up to 15 mph increasing to 25 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......14250-15250 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west 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....49-56. 24 hr trend......2 degrees down. * Max Humidity.......55-63 percent valleys and 42-50 percent ridges. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southwest 8 to 13 mph shifting to the east 4 to 6 mph after midnight. Ridges/upr slopes....West 10 to 15 mph. Gusts up to 25 mph decreasing to 15 mph after midnight. * Chc Wetting Rain...0 percent. * Mixing Height......100-1100 ft AGL. * Transport Winds....West 10 to 15 mph. .THURSDAY... * Sky/weather........Mostly sunny then becoming partly cloudy. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....Around 86 valleys and 75-82 ridges. 24 hr trend......3 degrees down. * Min Humidity.......15-20 percent valleys and 16-24 percent ridges. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...Southwest 9 to 14 mph. Ridges/upr slopes....Southwest 9 to 14 mph. Gusts up to 20 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......12250-13250 ft AGL. * Transport Winds....Southwest around 10 mph increasing to west around 25 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Mostly clear. Slight chance of showers. Lows 48 to 55. Highs 74 to 81. Southwest winds 10 to 15 mph with gusts to around 30 mph. .SATURDAY...Partly cloudy. Slight chance of showers. Lows 49 to 56. Highs 73 to 80. South winds 10 to 15 mph with gusts to around 25 mph. .SUNDAY...Partly cloudy. Chance of showers and thunderstorms. Lows 48 to 55. Highs 74 to 81. Southeast winds 10 to 15 mph with gusts to around 25 mph. .MONDAY...Mostly clear. Slight chance of showers and thunderstorms. Lows in the lower 50s. Highs in the upper 70s. .TUESDAY...Clear. Lows in the lower 50s. Highs around 80. $$ IDZ413-132215- Caribou Range/Caribou NF- 329 AM MDT Wed Aug 13 2025 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 10 PM MDT THIS EVENING... .Today... * Sky/weather........Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. * Chc of thunder.....20 percent. * Max Temperature....89-96 valleys and 82-89 ridges. 24 hr trend......3 degrees up. * Min Humidity.......13-18 percent. 24 hr trend......Little change. * 20ft winds......... Valleys/lwr slopes...Southeast 5 to 8 mph shifting to the southwest 9 to 14 mph in the afternoon. Ridges/upr slopes....South 5 to 8 mph with gusts to around 15 mph shifting to the west 10 to 15 mph with gusts to around 25 mph in the afternoon. * Chc Wetting Rain...0 percent. * Mixing Height......15500-17000 ft AGL. * Transport Winds....South around 10 mph increasing to west around 20 mph in the afternoon. .TONIGHT... * Sky/weather........Partly cloudy. Slight chance of rain showers in the evening. * Chc of thunder.....0 percent. * Min Temperature....55-62. 24 hr trend......2 degrees up. * Max Humidity.......44-52 percent valleys and 40-48 percent ridges. 24 hr trend......12 percent up. * 20ft winds......... Valleys/lwr slopes...West 10 to 15 mph shifting to the southeast 4 to 5 mph after midnight. Ridges/upr slopes....West 11 to 16 mph with gusts to around 25 mph shifting to the southwest 4 to 6 mph with gusts to around 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. .THURSDAY... * 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....85-92 valleys and 77-84 ridges. 24 hr trend......4 degrees down. * Min Humidity.......14-21 percent. 24 hr trend......2 percent up. * 20ft winds......... Valleys/lwr slopes...South 4 to 5 mph shifting to the west 6 to 11 mph in the afternoon. Ridges/upr slopes....South 4 to 6 mph shifting to the west 7 to 12 mph with gusts to around 20 mph in the afternoon. * Chc Wetting Rain...10 percent. * Mixing Height......13000-14000 ft AGL. * Transport Winds....Light winds becoming west around 20 mph in the afternoon. .Forecast days 3 through 7...... .FRIDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 54 to 61. Highs 81 to 88. Southwest winds 10 to 15 mph with gusts to around 20 mph. .SATURDAY...Partly cloudy. Slight chance of showers and thunderstorms. Lows 53 to 60. Highs 79 to 86. South winds 10 to 15 mph with gusts to around 20 mph. .SUNDAY...Partly cloudy. Chance of showers and slight chance of thunderstorms. Lows 52 to 59. Highs 79 to 86. South winds 10 to 15 mph with gusts to around 20 mph. .MONDAY...Clear. Lows in the mid 50s. Highs in the mid 80s. .TUESDAY...Clear. Lows in the mid 50s. Highs in the mid 80s. $$ .OUTLOOK for August 20th through 26th: ABOVE NORMAL temperatures and NEAR to BELOW NORMAL precipitation. $$