FNUS75 KSLC 180647 SMFSLC Smoke Management Forecast National Weather Service Salt Lake City Utah 1247 AM MDT Mon May 18 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..... 10200 Transport Winds............. N 26 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 11000 Transport Winds............. N 9 Clearing Index.............. 970 WEDNESDAY... Afternoon Mixing Height..... 10200 Transport Winds............. W 9 Clearing Index.............. 920 THURSDAY... Afternoon Mixing Height..... 9800 Transport Winds............. NW 14 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 2... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8400 Transport Winds............. N 22 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 10400 Transport Winds............. N 11 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 9300 Transport Winds............. NW 9 Clearing Index.............. 860 THURSDAY... Afternoon Mixing Height..... 10700 Transport Winds............. NW 16 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 3... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 7400 Transport Winds............. N 23 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 9800 Transport Winds............. N 13 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 10700 Transport Winds............. N 11 Clearing Index.............. 1000+ THURSDAY... Afternoon Mixing Height..... 12000 Transport Winds............. W 17 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 4... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8600 Transport Winds............. N 20 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 9600 Transport Winds............. N 9 Clearing Index.............. 820 WEDNESDAY... Afternoon Mixing Height..... 9500 Transport Winds............. W 11 Clearing Index.............. 1000+ THURSDAY... Afternoon Mixing Height..... 8900 Transport Winds............. NW 14 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 5... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4800 Transport Winds............. N 18 Clearing Index.............. 790 TOMORROW... Afternoon Mixing Height..... 8500 Transport Winds............. NE 8 Clearing Index.............. 700 WEDNESDAY... Afternoon Mixing Height..... 8600 Transport Winds............. W 11 Clearing Index.............. 940 THURSDAY... Afternoon Mixing Height..... 7400 Transport Winds............. NW 14 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 6... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4600 Transport Winds............. N 23 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 7200 Transport Winds............. NW 10 Clearing Index.............. 730 WEDNESDAY... Afternoon Mixing Height..... 8700 Transport Winds............. W 11 Clearing Index.............. 940 THURSDAY... Afternoon Mixing Height..... 7700 Transport Winds............. NW 17 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 7... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3200 Transport Winds............. NE 24 Clearing Index.............. 780 TOMORROW... Afternoon Mixing Height..... 3900 Transport Winds............. N 10 Clearing Index.............. 400 WEDNESDAY... Afternoon Mixing Height..... 6100 Transport Winds............. W 11 Clearing Index.............. 680 THURSDAY... Afternoon Mixing Height..... 5600 Transport Winds............. W 18 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 8... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 6200 Transport Winds............. N 22 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 9600 Transport Winds............. N 9 Clearing Index.............. 890 WEDNESDAY... Afternoon Mixing Height..... 9000 Transport Winds............. NW 9 Clearing Index.............. 840 THURSDAY... Afternoon Mixing Height..... 8800 Transport Winds............. NW 17 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 9... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4600 Transport Winds............. N 27 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 6500 Transport Winds............. N 10 Clearing Index.............. 600 WEDNESDAY... Afternoon Mixing Height..... 7300 Transport Winds............. W 10 Clearing Index.............. 670 THURSDAY... Afternoon Mixing Height..... 7300 Transport Winds............. W 16 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 10... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4900 Transport Winds............. NW 20 Clearing Index.............. 920 TOMORROW... Afternoon Mixing Height..... 8100 Transport Winds............. NW 10 Clearing Index.............. 820 WEDNESDAY... Afternoon Mixing Height..... 8900 Transport Winds............. W 10 Clearing Index.............. 890 THURSDAY... Afternoon Mixing Height..... 8500 Transport Winds............. NW 19 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 11... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4000 Transport Winds............. N 18 Clearing Index.............. 700 TOMORROW... Afternoon Mixing Height..... 6300 Transport Winds............. N 10 Clearing Index.............. 610 WEDNESDAY... Afternoon Mixing Height..... 7500 Transport Winds............. NW 10 Clearing Index.............. 770 THURSDAY... Afternoon Mixing Height..... 8500 Transport Winds............. W 17 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 12... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 7100 Transport Winds............. NW 22 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 7900 Transport Winds............. NW 11 Clearing Index.............. 860 WEDNESDAY... Afternoon Mixing Height..... 9000 Transport Winds............. NW 10 Clearing Index.............. 880 THURSDAY... Afternoon Mixing Height..... 9700 Transport Winds............. W 18 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 13... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4800 Transport Winds............. NW 23 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 8600 Transport Winds............. NW 12 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 9400 Transport Winds............. NW 10 Clearing Index.............. 990 THURSDAY... Afternoon Mixing Height..... 10300 Transport Winds............. W 21 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 14... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8700 Transport Winds............. NW 25 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 9700 Transport Winds............. W 12 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 10900 Transport Winds............. N 10 Clearing Index.............. 1000+ THURSDAY... Afternoon Mixing Height..... 12300 Transport Winds............. W 20 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 15... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9000 Transport Winds............. W 25 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 8800 Transport Winds............. W 14 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 10400 Transport Winds............. W 12 Clearing Index.............. 1000+ THURSDAY... Afternoon Mixing Height..... 12000 Transport Winds............. W 20 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 16... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4700 Transport Winds............. N 24 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 7600 Transport Winds............. NW 11 Clearing Index.............. 780 WEDNESDAY... Afternoon Mixing Height..... 8800 Transport Winds............. W 11 Clearing Index.............. 910 THURSDAY... Afternoon Mixing Height..... 8800 Transport Winds............. W 19 Clearing Index.............. 1000+ $$