


Smoke Management Weather Forecast
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
729 FNUS75 KSLC 181027 SMFSLC Smoke Management Forecast National Weather Service Salt Lake City Utah 420 AM MDT Sat Oct 18 2025......Webber .DISCUSSION...Stable conditions remain in place through Saturday, bringing poor to fair clearing areawide. Clearing will increase to fair to excellent on Sunday as deeper mixing spreads across the area alongside increased southwesterly flow. Clearing decreases once again by Monday in the wake of a cold front, with conditions remaining stable through Tuesday before another area of low pressure moves through Utah on Wednesday. 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..... 3200 Transport Winds............. W 10 Clearing Index.............. 300 TOMORROW... Afternoon Mixing Height..... 3900 Transport Winds............. W 18 Clearing Index.............. 650 MONDAY... Afternoon Mixing Height..... 3500 Transport Winds............. N 11 Clearing Index.............. 370 TUESDAY... Afternoon Mixing Height..... 2000 Transport Winds............. E 7 Clearing Index.............. 140 ----------------------------------------------------------------- ...AIR SHED 2... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4000 Transport Winds............. NE 7 Clearing Index.............. 290 TOMORROW... Afternoon Mixing Height..... 4600 Transport Winds............. SW 23 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 3700 Transport Winds............. N 10 Clearing Index.............. 350 TUESDAY... Afternoon Mixing Height..... 2900 Transport Winds............. SW 8 Clearing Index.............. 230 ----------------------------------------------------------------- ...AIR SHED 3... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3800 Transport Winds............. N 8 Clearing Index.............. 270 TOMORROW... Afternoon Mixing Height..... 4100 Transport Winds............. SW 14 Clearing Index.............. 510 MONDAY... Afternoon Mixing Height..... 4200 Transport Winds............. N 10 Clearing Index.............. 400 TUESDAY... Afternoon Mixing Height..... 3900 Transport Winds............. E 9 Clearing Index.............. 340 ----------------------------------------------------------------- ...AIR SHED 4... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3800 Transport Winds............. W 9 Clearing Index.............. 340 TOMORROW... Afternoon Mixing Height..... 3800 Transport Winds............. SW 23 Clearing Index.............. 800 MONDAY... Afternoon Mixing Height..... 4600 Transport Winds............. NW 9 Clearing Index.............. 400 TUESDAY... Afternoon Mixing Height..... 2600 Transport Winds............. S 7 Clearing Index.............. 180 ----------------------------------------------------------------- ...AIR SHED 5... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3500 Transport Winds............. W 10 Clearing Index.............. 330 TOMORROW... Afternoon Mixing Height..... 4400 Transport Winds............. SW 25 Clearing Index.............. 970 MONDAY... Afternoon Mixing Height..... 4100 Transport Winds............. NW 11 Clearing Index.............. 440 TUESDAY... Afternoon Mixing Height..... 2400 Transport Winds............. S 8 Clearing Index.............. 190 ----------------------------------------------------------------- ...AIR SHED 6... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3800 Transport Winds............. W 16 Clearing Index.............. 580 TOMORROW... Afternoon Mixing Height..... 5100 Transport Winds............. SW 28 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 4100 Transport Winds............. W 15 Clearing Index.............. 620 TUESDAY... Afternoon Mixing Height..... 3500 Transport Winds............. SW 10 Clearing Index.............. 370 ----------------------------------------------------------------- ...AIR SHED 7... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3600 Transport Winds............. NW 25 Clearing Index.............. 760 TOMORROW... Afternoon Mixing Height..... 4500 Transport Winds............. SW 35 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 4300 Transport Winds............. W 22 Clearing Index.............. 990 TUESDAY... Afternoon Mixing Height..... 3100 Transport Winds............. SW 11 Clearing Index.............. 330 ----------------------------------------------------------------- ...AIR SHED 8... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4300 Transport Winds............. W 8 Clearing Index.............. 340 TOMORROW... Afternoon Mixing Height..... 4900 Transport Winds............. SW 21 Clearing Index.............. 990 MONDAY... Afternoon Mixing Height..... 4400 Transport Winds............. N 9 Clearing Index.............. 400 TUESDAY... Afternoon Mixing Height..... 2900 Transport Winds............. S 7 Clearing Index.............. 210 ----------------------------------------------------------------- ...AIR SHED 9... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4200 Transport Winds............. NW 11 Clearing Index.............. 500 TOMORROW... Afternoon Mixing Height..... 3500 Transport Winds............. SW 21 Clearing Index.............. 660 MONDAY... Afternoon Mixing Height..... 5200 Transport Winds............. NW 14 Clearing Index.............. 710 TUESDAY... Afternoon Mixing Height..... 2400 Transport Winds............. SW 8 Clearing Index.............. 190 ----------------------------------------------------------------- ...AIR SHED 10... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4500 Transport Winds............. NW 11 Clearing Index.............. 510 TOMORROW... Afternoon Mixing Height..... 5600 Transport Winds............. SW 25 Clearing Index.............. 1000+ MONDAY... Afternoon Mixing Height..... 4500 Transport Winds............. NW 10 Clearing Index.............. 490 TUESDAY... Afternoon Mixing Height..... 3900 Transport Winds............. SW 9 Clearing Index.............. 320 ----------------------------------------------------------------- ...AIR SHED 11... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4800 Transport Winds............. W 13 Clearing Index.............. 640 TOMORROW... Afternoon Mixing Height..... 3400 Transport Winds............. SW 23 Clearing Index.............. 760 MONDAY... Afternoon Mixing Height..... 5700 Transport Winds............. W 16 Clearing Index.............. 870 TUESDAY... Afternoon Mixing Height..... 2900 Transport Winds............. SW 10 Clearing Index.............. 290 ----------------------------------------------------------------- ...AIR SHED 12... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4400 Transport Winds............. NW 9 Clearing Index.............. 410 TOMORROW... Afternoon Mixing Height..... 3800 Transport Winds............. SW 18 Clearing Index.............. 680 MONDAY... Afternoon Mixing Height..... 5000 Transport Winds............. NW 11 Clearing Index.............. 530 TUESDAY... Afternoon Mixing Height..... 3200 Transport Winds............. S 8 Clearing Index.............. 260 ----------------------------------------------------------------- ...AIR SHED 13... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4200 Transport Winds............. N 11 Clearing Index.............. 430 TOMORROW... Afternoon Mixing Height..... 4900 Transport Winds............. SW 21 Clearing Index.............. 960 MONDAY... Afternoon Mixing Height..... 4400 Transport Winds............. NW 11 Clearing Index.............. 460 TUESDAY... Afternoon Mixing Height..... 5000 Transport Winds............. SW 11 Clearing Index.............. 580 ----------------------------------------------------------------- ...AIR SHED 14... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4500 Transport Winds............. NW 8 Clearing Index.............. 340 TOMORROW... Afternoon Mixing Height..... 3800 Transport Winds............. SW 17 Clearing Index.............. 650 MONDAY... Afternoon Mixing Height..... 5000 Transport Winds............. W 10 Clearing Index.............. 540 TUESDAY... Afternoon Mixing Height..... 3400 Transport Winds............. S 7 Clearing Index.............. 250 ----------------------------------------------------------------- ...AIR SHED 15... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4400 Transport Winds............. NW 10 Clearing Index.............. 430 TOMORROW... Afternoon Mixing Height..... 3300 Transport Winds............. S 11 Clearing Index.............. 390 MONDAY... Afternoon Mixing Height..... 4500 Transport Winds............. NW 10 Clearing Index.............. 440 TUESDAY... Afternoon Mixing Height..... 3100 Transport Winds............. SE 9 Clearing Index.............. 250 ----------------------------------------------------------------- ...AIR SHED 16... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3700 Transport Winds............. NW 13 Clearing Index.............. 480 TOMORROW... Afternoon Mixing Height..... 3900 Transport Winds............. SW 24 Clearing Index.............. 940 MONDAY... Afternoon Mixing Height..... 4100 Transport Winds............. NW 13 Clearing Index.............. 560 TUESDAY... Afternoon Mixing Height..... 3300 Transport Winds............. SW 10 Clearing Index.............. 330 $$