FNUS75 KSLC 150907 FWSSLC Spot Forecast for north slope pile RX...USFS National Weather Service Salt Lake City UT 307 AM MDT Thu Oct 15 2026 Forecast is based on ignition time of 0600 MDT on October 15. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...In the wake of a departing low pressure system, high pressure building in from the north will result in gusty east winds through mid afternoon. Despite limited mixing due to this building high, these winds will boost the Clearing Index above 500 this afternoon. This building high will bring dry and stable conditions again Friday, with light terrain-driven winds and marginal ventilation. .TODAY... Sky/weather.........Mostly sunny (10-20 percent cloud cover). CWR.................0 percent. Chance of pcpn......0 percent. Chance of lightning.0 percent. Max temperature.....Around 50. Min humidity........41-45 percent. Wind (20 ft)........East 6-12 mph with gusts around 20 mph through mid-afternoon, becoming northeast 4-8 mph after 1500. Mixing height.......2800 ft AGL (20-30th Percentile). Transport winds.....East 20-25 mph. Clearing index......550. .TONIGHT... Sky/weather.........Mostly clear (5-15 percent cloud cover). CWR.................0 percent. Chance of pcpn......0 percent. Chance of lightning.0 percent. Min temperature.....23-27. Max humidity........68-75 percent. Wind (20 ft)........Downslope/down-drainage 2-6 mph. Mixing height.......600 ft AGL. Transport winds.....Down-drainage 5 mph. .FRIDAY... Sky/weather.........Mostly sunny (5-15 percent cloud cover). CWR.................0 percent. Chance of pcpn......0 percent. Chance of lightning.0 percent. Max temperature.....55-58. Min humidity........30-34 percent. Wind (20 ft)........Terrain-driven 3-7 mph. Mixing height.......2700 ft AGL (20-30th Percentile). Transport winds.....Southeast 10 mph. Clearing index......240. $$ Forecaster...Seaman Requested by...FOREST SERVICE Type of request...PRESCRIBED .TAG 2623531.4/SLC .DELDT 10/15/26 .FormatterVersion 2.0.0 .EMAIL solena.probert@usda.gov