Spot Forecast
Issued by NWS Boise, ID
Issued by NWS Boise, ID
991 FNUS75 KBOI 221240 FWSBOI Spot Forecast for Chimney...USFS National Weather Service Boise ID 640 AM MDT Sun Sep 22 2024 Forecast is based on forecast start time of 0700 MDT on September 22. 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 FOR THE WEEK AHEAD... ...BREEZY CONDITIONS MONDAY AND AGAIN WEDNESDAY... .DISCUSSION... Dry conditions will prevail through the upcoming week. A passing wave will increase clouds and raise relative humidly on Monday before high pressure builds over the region Tuesday and Wednesday. This will result in notable warming, with Wednesday being the warmest day of the week. Breezy conditions will impact the fire site in northwest flow on Monday and from the southwest on Wednesday. Temperatures will remain above normal through Friday. .TODAY... Sky/weather.........Sunny. Max temperature.....64 to 69. Min humidity........25 to 30 percent. CWR.................0 percent. LAL.................1. Wind - 20 foot......East around 5 mph in the morning shifting to the west 5 to 8 mph in the afternoon. Mixing height.......5000 ft AGL. Transport winds.....West around 10 mph. Haines Index........3 very low. Ventilation Index...500 good. .TONIGHT... Sky/weather.........Partly cloudy in the evening then becoming mostly cloudy overnight. Min temperature.....45 to 50. Max humidity........47 to 52 percent. CWR.................0 percent. LAL.................1. Wind - 20 foot......Northwest around 8 mph. Mixing height.......200 ft AGL. Transport winds.....North around 10 mph. Haines Index........4 low. Ventilation Index...20 poor. .MONDAY... Sky/weather.........Mostly sunny. Max temperature.....66 to 71. Min humidity........29 to 34 percent. CWR.................0 percent. LAL.................1. Wind - 20 foot......Northwest 8 to 12 mph. Gusts up to 18 mph in the afternoon. Mixing height.......6000 ft AGL. Transport winds.....Northwest around 15 mph. Haines Index........2 very low. Ventilation Index...900 excellent. $$ Forecaster...Groenert Requested by...Rob Macdonald Type of request...WILDFIRE .TAG 2422849.0/BOI .DELDT 09/22/24 .FormatterVersion 2.0.0 .EMAIL robert.j.macdonald@usda.gov