


Smoke Management Weather Forecast
Issued by NWS Salt Lake City, UT
Issued by NWS Salt Lake City, UT
791 FNUS75 KSLC 090918 SMFSLC Smoke Management Forecast National Weather Service Salt Lake City Utah 303 AM MDT Thu Oct 9 2025......Worster .DISCUSSION...Southerly flow develops today ahead of an incoming storm system increasing moisture and transport winds this afternoon keeping mixing within the good to excellent range across all air sheds. On Friday, transport winds decrease somewhat, though mixing will generally remain good across most air sheds. Transport winds increase once again Saturday with excellent mixing expected once again across all air sheds. 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..... 4400 Transport Winds............. S 19 Clearing Index.............. 860 TOMORROW... Afternoon Mixing Height..... 4500 Transport Winds............. S 14 Clearing Index.............. 640 SATURDAY... Afternoon Mixing Height..... 4900 Transport Winds............. W 17 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5300 Transport Winds............. SW 9 Clearing Index.............. 490 ----------------------------------------------------------------- ...AIR SHED 2... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 6500 Transport Winds............. S 22 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 5000 Transport Winds............. S 16 Clearing Index.............. 1000+ SATURDAY... Afternoon Mixing Height..... 7600 Transport Winds............. SW 24 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 4600 Transport Winds............. W 9 Clearing Index.............. 400 ----------------------------------------------------------------- ...AIR SHED 3... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3900 Transport Winds............. E 14 Clearing Index.............. 890 TOMORROW... Afternoon Mixing Height..... 2900 Transport Winds............. SE 12 Clearing Index.............. 630 SATURDAY... Afternoon Mixing Height..... 4000 Transport Winds............. SW 17 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5100 Transport Winds............. NW 10 Clearing Index.............. 520 ----------------------------------------------------------------- ...AIR SHED 4... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 6100 Transport Winds............. S 18 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 4400 Transport Winds............. S 10 Clearing Index.............. 600 SATURDAY... Afternoon Mixing Height..... 4500 Transport Winds............. SW 14 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5600 Transport Winds............. SW 12 Clearing Index.............. 660 ----------------------------------------------------------------- ...AIR SHED 5... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 6600 Transport Winds............. S 19 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 4100 Transport Winds............. S 10 Clearing Index.............. 600 SATURDAY... Afternoon Mixing Height..... 5700 Transport Winds............. SW 19 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5100 Transport Winds............. W 11 Clearing Index.............. 520 ----------------------------------------------------------------- ...AIR SHED 6... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 6100 Transport Winds............. S 18 Clearing Index.............. 990 TOMORROW... Afternoon Mixing Height..... 3800 Transport Winds............. S 12 Clearing Index.............. 770 SATURDAY... Afternoon Mixing Height..... 6100 Transport Winds............. SW 18 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5100 Transport Winds............. W 13 Clearing Index.............. 640 ----------------------------------------------------------------- ...AIR SHED 7... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 5500 Transport Winds............. SW 22 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 3400 Transport Winds............. S 13 Clearing Index.............. 650 SATURDAY... Afternoon Mixing Height..... 5300 Transport Winds............. SW 19 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5400 Transport Winds............. W 14 Clearing Index.............. 760 ----------------------------------------------------------------- ...AIR SHED 8... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 6200 Transport Winds............. S 17 Clearing Index.............. 990 TOMORROW... Afternoon Mixing Height..... 4600 Transport Winds............. S 11 Clearing Index.............. 830 SATURDAY... Afternoon Mixing Height..... 7800 Transport Winds............. SW 20 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5400 Transport Winds............. W 8 Clearing Index.............. 420 ----------------------------------------------------------------- ...AIR SHED 9... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4200 Transport Winds............. S 10 Clearing Index.............. 440 TOMORROW... Afternoon Mixing Height..... 2300 Transport Winds............. S 7 Clearing Index.............. 280 SATURDAY... Afternoon Mixing Height..... 3400 Transport Winds............. SW 12 Clearing Index.............. 700 SUNDAY... Afternoon Mixing Height..... 5600 Transport Winds............. W 13 Clearing Index.............. 730 ----------------------------------------------------------------- ...AIR SHED 10... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 6300 Transport Winds............. S 15 Clearing Index.............. 930 TOMORROW... Afternoon Mixing Height..... 4700 Transport Winds............. S 10 Clearing Index.............. 840 SATURDAY... Afternoon Mixing Height..... 6900 Transport Winds............. SW 16 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5000 Transport Winds............. W 10 Clearing Index.............. 480 ----------------------------------------------------------------- ...AIR SHED 11... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4500 Transport Winds............. S 13 Clearing Index.............. 610 TOMORROW... Afternoon Mixing Height..... 2800 Transport Winds............. S 10 Clearing Index.............. 510 SATURDAY... Afternoon Mixing Height..... 4000 Transport Winds............. S 16 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5500 Transport Winds............. W 15 Clearing Index.............. 790 ----------------------------------------------------------------- ...AIR SHED 12... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4100 Transport Winds............. S 12 Clearing Index.............. 550 TOMORROW... Afternoon Mixing Height..... 2600 Transport Winds............. S 11 Clearing Index.............. 490 SATURDAY... Afternoon Mixing Height..... 4000 Transport Winds............. S 15 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5000 Transport Winds............. W 13 Clearing Index.............. 660 ----------------------------------------------------------------- ...AIR SHED 13... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4500 Transport Winds............. S 17 Clearing Index.............. 1000+ TOMORROW... Afternoon Mixing Height..... 3100 Transport Winds............. S 13 Clearing Index.............. 760 SATURDAY... Afternoon Mixing Height..... 5500 Transport Winds............. SW 18 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5800 Transport Winds............. W 13 Clearing Index.............. 750 ----------------------------------------------------------------- ...AIR SHED 14... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 3400 Transport Winds............. E 10 Clearing Index.............. 590 TOMORROW... Afternoon Mixing Height..... 2200 Transport Winds............. SE 8 Clearing Index.............. 340 SATURDAY... Afternoon Mixing Height..... 3600 Transport Winds............. SW 14 Clearing Index.............. 870 SUNDAY... Afternoon Mixing Height..... 5400 Transport Winds............. SW 13 Clearing Index.............. 720 ----------------------------------------------------------------- ...AIR SHED 15... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4700 Transport Winds............. SE 14 Clearing Index.............. 870 TOMORROW... Afternoon Mixing Height..... 2200 Transport Winds............. SE 9 Clearing Index.............. 390 SATURDAY... Afternoon Mixing Height..... 3000 Transport Winds............. S 13 Clearing Index.............. 700 SUNDAY... Afternoon Mixing Height..... 5600 Transport Winds............. W 12 Clearing Index.............. 650 ----------------------------------------------------------------- ...AIR SHED 16... ----------------------------------------------------------------- TODAY... Afternoon Mixing Height..... 4300 Transport Winds............. S 17 Clearing Index.............. 910 TOMORROW... Afternoon Mixing Height..... 2500 Transport Winds............. S 12 Clearing Index.............. 550 SATURDAY... Afternoon Mixing Height..... 4400 Transport Winds............. SW 17 Clearing Index.............. 1000+ SUNDAY... Afternoon Mixing Height..... 5000 Transport Winds............. W 13 Clearing Index.............. 660 $$