Spot Forecast
Issued by NWS Boise, ID
Issued by NWS Boise, ID
794 FNUS75 KBOI 200838 FWSBOI Spot Forecast for Chimney...South Idaho Dispatch National Weather Service Boise ID 238 AM MDT Fri Sep 20 2024 Forecast is based on forecast start time of 0600 MDT on September 20. 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 MILD WITH BREEZY WINDS THROUGH THE WEEKEND... .DISCUSSION... Dry northwest flow will persist over the region through the weekend. At the fire site, conditions will trend slightly warmer and drier through Sunday. Overnight drainage winds will become gusty each afternoon as westerly winds aloft mix to the surface. .TODAY... Sky/weather.........Sunny. Max temperature.....61 to 66. Min humidity........28 to 33 percent. CWR.................0 percent. LAL.................1. Wind - 20 foot......West 6 to 11 mph. Gusts up to 18 mph in the afternoon. Mixing height.......5000 ft AGL. Transport winds.....West around 20 mph. Haines Index........2 very low. Ventilation Index...1000 excellent. .TONIGHT... Sky/weather.........Mostly clear. Min temperature.....41 to 46. Max humidity........53 to 58 percent. CWR.................0 percent. LAL.................1. Wind - 20 foot......North 4 to 8 mph with gusts to 15 mph in the evening, becoming northeast overnight. Mixing height.......200 ft AGL. Transport winds.....Northeast around 10 mph. Haines Index........3 very low. Ventilation Index...20 poor. .SATURDAY... Sky/weather.........Sunny. Max temperature.....63 to 68. Min humidity........27 to 32 percent. CWR.................0 percent. LAL.................1. Wind - 20 foot......East around 6 mph in the morning shifting to the southwest with gusts to 16 mph in the afternoon. Mixing height.......5000 ft AGL. Transport winds.....Northwest around 10 mph. Haines Index........2 very low. Ventilation Index...500 good. $$ Forecaster...Groenert Requested by...Rob MacDonald Type of request...WILDFIRE .TAG 2422765.0/BOI .DELDT 09/20/24 .FormatterVersion 2.0.0 .EMAIL idscc@firenet.gov,robert.j.macdonald@usda.gov,matthew.ganguet@usda.gov