030 FNUS75 KBOI 121027 FWSBOI Spot Forecast for Quartz...USFS National Weather Service Boise ID 427 AM MDT Tue Aug 12 2025 Forecast is based on forecast start time of 0500 MDT on August 12. If conditions become unrepresentative...contact the National Weather Service. Please contact our office at (208)334-9060, if you have questions or concerns with this forecast. ...DRY AND VERY WARM TODAY. SLIGHTLY COOLER WITH STRONGER WEST WIND WEDNESDAY... .DISCUSSION... Surface pressure trough (indicating warmest air) will be over the fire area today, then shift east of the fire area Wednesday. Wednesday will therefore be slightly cooler than today, and with stronger west winds behind the departing trough. Clouds near the trough will slightly limit cooling and humidity recovery tonight. Clearing skies Wednesday. .REST OF TONIGHT... Sky/weather.........Mostly clear. Min temperature.....54 to 59. Max humidity........50 to 55 percent. CWR.................0 percent. Wind - 20 foot......North around 5 mph. Mixing height.......200 ft AGL. Transport winds.....Northeast around 5 mph. Ventilation Index...10 poor. .TODAY... Sky/weather.........Sunny. Max temperature.....76 to 81. Min humidity........26 to 31 percent. CWR.................0 percent. Wind - 20 foot......North 3 to 6 mph in the morning shifting to the west around 7 mph with gusts to around 14 mph in the afternoon. Mixing height.......10000 ft AGL. Transport winds.....West around 15 mph. Ventilation Index...1500 excellent. .TONIGHT... Sky/weather.........Partly cloudy. Min temperature.....55 to 60. Max humidity........54 to 59 percent. CWR.................0 percent. Wind - 20 foot......Northwest 3 to 6 mph. Mixing height.......100 ft AGL. Transport winds.....West around 5 mph. Ventilation Index...5 poor. .WEDNESDAY... Sky/weather.........Sunny. Max temperature.....74 to 79. Min humidity........20 to 25 percent. CWR.................0 percent. Wind - 20 foot......West 6 to 12 mph. Gusts up to 20 mph in the afternoon. Mixing height.......9000 ft AGL. Transport winds.....West around 20 mph. Ventilation Index...1800 excellent. $$ Forecaster...Colin Requested by...Quartz IC Type of request...WILDFIRE .TAG 2519694.1/BOI .DELDT 08/12/25 .FormatterVersion 2.0.0 .EMAIL nathan.robinson@usda.gov