159 FNUS75 KBOI 271113 FWSBOI Spot Forecast for Mill Creek Unit 8...USFS National Weather Service Boise ID 513 AM MDT Sat Sep 27 2025 Forecast is based on ignition time of 1000 MDT on September 27. 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 WARM UNTIL SUNDAY EVENING... ...COLDER WITH WETTING RAINS BEGINNING SUNDAY NIGHT... .DISCUSSION... Warming to 10 degrees above normal by Sunday afternoon, with consistent dryness and mild winds. Sunday evening precipitation chances increase through Friday. CWRs stay above 60-70% for multiple days early this week, while temps cool 5-10 degrees each day to Wednesday. Embedded storms are possible in widespread showers. Min RHs sharply moisten Monday to 60%. Stronger transport winds should help move smoke away Sunday evening. .REST OF TODAY... Sky/weather.........Sunny. Max temperature.....69 to 74. Min humidity........18 to 23 percent. CWR.................0 percent. Wind - 20 foot......Southwest around 6 mph. Mixing height.......3000 ft AGL. Transport winds.....South around 10 mph. Ventilation Index...300 fair. .TONIGHT... Sky/weather.........Mostly clear. Min temperature.....54 to 59. Max humidity........33 to 38 percent. CWR.................0 percent. Wind - 20 foot......Southeast around 5 mph. Mixing height.......200 ft AGL. Transport winds.....Southeast around 5 mph. Ventilation Index...10 poor. .SUNDAY... Sky/weather.........Sunny. Max temperature.....74 to 79. Min humidity........19 to 24 percent. CWR.................0 percent. Wind - 20 foot......South 3 to 6 mph. Mixing height.......4500 ft AGL. Transport winds.....South around 15 mph. Ventilation Index...675 good. $$ Forecaster...Macfarlane Requested by...Caleb Fooks Type of request...PRESCRIBED .TAG 2522624.0/BOI .DELDT 09/27/25 .FormatterVersion 2.0.0 .EMAIL Kevin.guillard@usda.gov,nicholas.r.schreiner@usda.gov,andrew.geringer@usda.gov,caleb.fooks@usda.gov