FNUS75 KSLC 200648 SMFSLC Smoke Management Forecast National Weather Service Salt Lake City Utah 1247 AM MDT Wed May 20 2026 A Graphical version of the clearing index is available at: https://www.weather.gov/slc/ClearingIndex * All heights are above sea level (ASL) unless noted otherwise * ----------------------------------------------------------------- ...AIR SHED 1... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9800 Transport Winds............. W 9 Clearing Index.............. 780 TOMORROW... Afternoon Mixing Height..... 9600 Transport Winds............. NW 19 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 8800 Transport Winds............. NW 9 Clearing Index.............. 760 SATURDAY... Afternoon Mixing Height..... 11000 Transport Winds............. SW 10 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 2... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8600 Transport Winds............. N 9 Clearing Index.............. 750 TOMORROW... Afternoon Mixing Height..... 12300 Transport Winds............. NW 18 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 9000 Transport Winds............. NW 10 Clearing Index.............. 840 SATURDAY... Afternoon Mixing Height..... 11900 Transport Winds............. SW 12 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 3... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 10000 Transport Winds............. N 11 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 12500 Transport Winds............. W 19 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 12000 Transport Winds............. W 14 Clearing Index.............. 1000+ SATURDAY... Afternoon Mixing Height..... 11800 Transport Winds............. SW 14 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 4... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9300 Transport Winds............. W 10 Clearing Index.............. 890 TOMORROW... Afternoon Mixing Height..... 7000 Transport Winds............. NW 14 Clearing Index.............. 930 FRIDAY... Afternoon Mixing Height..... 7500 Transport Winds............. W 8 Clearing Index.............. 620 SATURDAY... Afternoon Mixing Height..... 8900 Transport Winds............. W 13 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 5... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8700 Transport Winds............. W 9 Clearing Index.............. 820 TOMORROW... Afternoon Mixing Height..... 5700 Transport Winds............. NW 15 Clearing Index.............. 830 FRIDAY... Afternoon Mixing Height..... 7100 Transport Winds............. NW 9 Clearing Index.............. 680 SATURDAY... Afternoon Mixing Height..... 8500 Transport Winds............. W 13 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 6... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8900 Transport Winds............. W 11 Clearing Index.............. 940 TOMORROW... Afternoon Mixing Height..... 7100 Transport Winds............. W 20 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 7800 Transport Winds............. W 11 Clearing Index.............. 800 SATURDAY... Afternoon Mixing Height..... 9100 Transport Winds............. W 15 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 7... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8000 Transport Winds............. W 11 Clearing Index.............. 790 TOMORROW... Afternoon Mixing Height..... 5400 Transport Winds............. W 22 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 6800 Transport Winds............. NW 12 Clearing Index.............. 790 SATURDAY... Afternoon Mixing Height..... 8600 Transport Winds............. W 16 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 8... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9100 Transport Winds............. NW 8 Clearing Index.............. 760 TOMORROW... Afternoon Mixing Height..... 8000 Transport Winds............. NW 18 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 7900 Transport Winds............. NW 10 Clearing Index.............. 760 SATURDAY... Afternoon Mixing Height..... 9900 Transport Winds............. W 11 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 9... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8400 Transport Winds............. W 8 Clearing Index.............. 670 TOMORROW... Afternoon Mixing Height..... 9500 Transport Winds............. W 23 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 6000 Transport Winds............. NW 10 Clearing Index.............. 570 SATURDAY... Afternoon Mixing Height..... 8500 Transport Winds............. W 13 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 10... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8900 Transport Winds............. NW 9 Clearing Index.............. 820 TOMORROW... Afternoon Mixing Height..... 10200 Transport Winds............. W 23 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 8800 Transport Winds............. W 12 Clearing Index.............. 1000+ SATURDAY... Afternoon Mixing Height..... 10700 Transport Winds............. W 14 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 11... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8200 Transport Winds............. NW 8 Clearing Index.............. 680 TOMORROW... Afternoon Mixing Height..... 12600 Transport Winds............. W 23 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 6600 Transport Winds............. N 9 Clearing Index.............. 610 SATURDAY... Afternoon Mixing Height..... 9400 Transport Winds............. W 12 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 12... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9200 Transport Winds............. NW 9 Clearing Index.............. 840 TOMORROW... Afternoon Mixing Height..... 12300 Transport Winds............. W 20 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 8000 Transport Winds............. NW 10 Clearing Index.............. 800 SATURDAY... Afternoon Mixing Height..... 10700 Transport Winds............. W 12 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 13... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9100 Transport Winds............. NW 10 Clearing Index.............. 890 TOMORROW... Afternoon Mixing Height..... 11300 Transport Winds............. W 22 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 9300 Transport Winds............. W 14 Clearing Index.............. 1000+ SATURDAY... Afternoon Mixing Height..... 11200 Transport Winds............. W 15 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 14... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 10400 Transport Winds............. N 10 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 14200 Transport Winds............. W 22 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 11900 Transport Winds............. W 15 Clearing Index.............. 1000+ SATURDAY... Afternoon Mixing Height..... 12800 Transport Winds............. W 14 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 15... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 10100 Transport Winds............. NW 11 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 13700 Transport Winds............. W 20 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 10900 Transport Winds............. W 15 Clearing Index.............. 1000+ SATURDAY... Afternoon Mixing Height..... 12800 Transport Winds............. W 14 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 16... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8800 Transport Winds............. NW 10 Clearing Index.............. 850 TOMORROW... Afternoon Mixing Height..... 10200 Transport Winds............. W 22 Clearing Index.............. 1000+ FRIDAY... Afternoon Mixing Height..... 8000 Transport Winds............. W 12 Clearing Index.............. 850 SATURDAY... Afternoon Mixing Height..... 10200 Transport Winds............. W 14 Clearing Index.............. 1000+ $$