FNUS75 KSLC 181847 SMFSLC Smoke Management Forecast National Weather Service Salt Lake City Utah 1247 PM 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..... 10400 Transport Winds............. N 25 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 10200 Transport Winds............. N 9 Clearing Index.............. 840 WEDNESDAY... Afternoon Mixing Height..... 10200 Transport Winds............. W 9 Clearing Index.............. 890 THURSDAY... Afternoon Mixing Height..... 9700 Transport Winds............. NW 18 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 2... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8400 Transport Winds............. N 23 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 9400 Transport Winds............. N 12 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 9200 Transport Winds............. N 8 Clearing Index.............. 770 THURSDAY... Afternoon Mixing Height..... 11700 Transport Winds............. W 18 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 3... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 7400 Transport Winds............. N 24 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 9500 Transport Winds............. N 14 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 10700 Transport Winds............. N 11 Clearing Index.............. 1000+ THURSDAY... Afternoon Mixing Height..... 11800 Transport Winds............. W 16 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 4... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 9100 Transport Winds............. N 19 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 9100 Transport Winds............. E 8 Clearing Index.............. 700 WEDNESDAY... Afternoon Mixing Height..... 9200 Transport Winds............. W 10 Clearing Index.............. 980 THURSDAY... Afternoon Mixing Height..... 7800 Transport Winds............. NW 12 Clearing Index.............. 880 ----------------------------------------------------------------- ...AIR SHED 5... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4400 Transport Winds............. N 17 Clearing Index.............. 680 TOMORROW... Afternoon Mixing Height..... 7900 Transport Winds............. E 9 Clearing Index.............. 670 WEDNESDAY... Afternoon Mixing Height..... 8400 Transport Winds............. W 10 Clearing Index.............. 870 THURSDAY... Afternoon Mixing Height..... 6800 Transport Winds............. W 16 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 6... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4300 Transport Winds............. N 21 Clearing Index.............. 960 TOMORROW... Afternoon Mixing Height..... 6400 Transport Winds............. NE 8 Clearing Index.............. 510 WEDNESDAY... Afternoon Mixing Height..... 8600 Transport Winds............. W 10 Clearing Index.............. 900 THURSDAY... Afternoon Mixing Height..... 7100 Transport Winds............. W 19 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 7... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3300 Transport Winds............. NE 27 Clearing Index.............. 870 TOMORROW... Afternoon Mixing Height..... 3500 Transport Winds............. NW 7 Clearing Index.............. 270 WEDNESDAY... Afternoon Mixing Height..... 5900 Transport Winds............. W 10 Clearing Index.............. 600 THURSDAY... Afternoon Mixing Height..... 5200 Transport Winds............. W 18 Clearing Index.............. 960 ----------------------------------------------------------------- ...AIR SHED 8... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 5700 Transport Winds............. N 21 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 8800 Transport Winds............. N 8 Clearing Index.............. 720 WEDNESDAY... Afternoon Mixing Height..... 8900 Transport Winds............. NW 8 Clearing Index.............. 740 THURSDAY... Afternoon Mixing Height..... 8500 Transport Winds............. NW 19 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 9... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 5000 Transport Winds............. N 28 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 7100 Transport Winds............. N 9 Clearing Index.............. 540 WEDNESDAY... Afternoon Mixing Height..... 7100 Transport Winds............. W 9 Clearing Index.............. 640 THURSDAY... Afternoon Mixing Height..... 6900 Transport Winds............. W 19 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 10... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4800 Transport Winds............. NW 19 Clearing Index.............. 890 TOMORROW... Afternoon Mixing Height..... 7800 Transport Winds............. NW 8 Clearing Index.............. 640 WEDNESDAY... Afternoon Mixing Height..... 8900 Transport Winds............. W 10 Clearing Index.............. 860 THURSDAY... Afternoon Mixing Height..... 9400 Transport Winds............. W 23 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 11... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4200 Transport Winds............. N 18 Clearing Index.............. 750 TOMORROW... Afternoon Mixing Height..... 6800 Transport Winds............. NE 10 Clearing Index.............. 680 WEDNESDAY... Afternoon Mixing Height..... 7600 Transport Winds............. NW 10 Clearing Index.............. 750 THURSDAY... Afternoon Mixing Height..... 9600 Transport Winds............. W 21 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 12... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 6900 Transport Winds............. W 20 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 8000 Transport Winds............. N 11 Clearing Index.............. 820 WEDNESDAY... AfternoonMixing Height..... 9000 Transport Winds............. NW 10 Clearing Index.............. 870 THURSDAY... Afternoon Mixing Height..... 11500 Transport Winds............. W 19 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 13... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4800 Transport Winds............. NW 22 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 8100 Transport Winds............. N 10 Clearing Index.............. 790 WEDNESDAY... Afternoon Mixing Height..... 9500 Transport Winds............. NW 10 Clearing Index.............. 930 THURSDAY... Afternoon Mixing Height..... 10700 Transport Winds............. W 20 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 14... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 8400 Transport Winds............. NW 24 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 9400 Transport Winds............. NE 12 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 11000 Transport Winds............. N 10 Clearing Index.............. 1000+ THURSDAY... Afternoon Mixing Height..... 12800 Transport Winds............. W 18 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 13 Clearing Index.............. 1000+ WEDNESDAY... Afternoon Mixing Height..... 11200 Transport Winds............. W 11 Clearing Index.............. 1000+ THURSDAY... Afternoon Mixing Height..... 12900 Transport Winds............. W 19 Clearing Index.............. 1000+ ----------------------------------------------------------------- ...AIR SHED 16... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4600 Transport Winds............. N 23 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 7100 Transport Winds............. N 9 Clearing Index.............. 640 WEDNESDAY... Afternoon Mixing Height..... 8800 Transport Winds............. W 10 Clearing Index.............. 870 THURSDAY... Afternoon Mixing Height..... 9700 Transport Winds............. W 20 Clearing Index.............. 1000+ $$