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Spot Forecast
Issued by NWS Boise, ID
Issued by NWS Boise, ID
Versions:
1
949 FNUS75 KBOI 050347 FWSBOI Spot Forecast for Island...SITPA National Weather Service Boise ID 947 PM MDT Thu Jul 4 2024 Forecast is based on forecast start time of 0600 MDT on July 05. 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. ...EXCESSIVE HEAT WARNING IN EFFECT FROM 1 PM MONDAY TO MIDNIGHT MDT FRIDAY NIGHT... ...Breezy westerly winds on Saturday... .DISCUSSION... Warm and dry through at least the middle of next week. The hottest temperatures aren`t expected until Monday. Downslope winds expected Friday morning. Winds will increase from the west-northwest in the afternoon with gusts up to 18 MPH. Humidities will fall into the mid teens. Light downslope winds expected overnight Friday with poor RH recoveries. Stronger westerly winds possible on Saturday with passage of a weak trough north of the fire. Min RHs will lower to the low teens. .FRIDAY... Sky/weather.........Sunny. Max temperature.....86 to 92. Min humidity........14 to 19 percent. CWR.................0 percent. LAL.................1. Wind - 20 foot......Southeast 3 to 5 mph in the morning shifting to the northwest 7 to 9 mph with gusts to around 17 mph in the afternoon. Mixing height.......7500 ft AGL. Transport winds.....Northwest around 10 mph. Haines Index........3 very low. Ventilation Index...750 excellent. .FRIDAY NIGHT... Sky/weather.........Partly cloudy in the evening then becoming clear overnight. Min temperature.....62 to 67. Max humidity........36 to 41 percent. CWR.................0 percent. LAL.................1. Wind - 20 foot......North 4 to 8 mph in the evening shifting to the southeast around 6 mph overnight. Mixing height.......800 ft AGL. Transport winds.....South around 5 mph. Haines Index........3 very low. Ventilation Index...40 poor. .SATURDAY... Sky/weather.........Sunny. Max temperature.....90 to 97. Min humidity........12 to 17 percent. CWR.................0 percent. LAL.................1. Wind - 20 foot......South around 6 mph in the morning shifting to the northwest 8 to 13 mph with gusts to around 23 mph in the afternoon. Mixing height.......9500 ft AGL. Transport winds.....Northwest around 20 mph. Haines Index........4 low. Ventilation Index...1900 excellent. $$ Forecaster...Smith Requested by...Brian Bates Type of request...WILDFIRE .TAG 2400000.0/BOI .DELDT 07/05/24 .FormatterVersion 2.0.0 .EMAIL brian.bates@usda.gov