FNUS75 KSLC 201426 FWSSLC Spot Forecast for Iron Fire...IFC National Weather Service Salt Lake City UT 826 AM MDT Sat Jun 20 2026 Forecast is based on forecast start time of 0900 MDT on June 20. If conditions become unrepresentative...contact the National Weather Service. .DISCUSSION...Gusty southwest winds will persist through the morning with occasional gusts approaching 30 mph through wind aligned drainages and across exposed upper ridgelines. A wind shift to westerly winds is expected between 1300 and 1400 as a weak cold front settles into the area. RH values will remain in the mid to upper teens throughout the day. An increase in mid level moisture with this front will bring a slight chance for high based showers and isolated dry thunderstorms between 1500 this afternoon and 0300 this evening. Gusty and erratic outflow winds will be possible near any thunderstorms or areas of virga. Winds will switch to northwesterly between 1800 and 1900 before diminishing shortly after sunset. Northerly flow with seasonal temperatures but low daytime RH can be expected Sunday. .TODAY... Sky/weather.........Mostly sunny (10-20 percent cloud cover) until 1400, then partly cloudy (35-50 percent cloud cover). A slight chance of dry thunderstorms after 1500. CWR.................0 percent. Chance of pcpn......5 percent after 1500. Chance of lightning.0 percent until 1500, then 10 percent. Max temperature.....83-85. Min humidity........16-19 percent. Wind (20 ft)........Southwest 10-15 mph with gusts 22-28 mph becoming west 8-12 with gusts 20-25 mph around 1400. Gusty and erratic outflow winds to 40 mph possible near thunderstorms late this afternoon. Mixing height.......13900 ft AGL (90-95th Percentile). Transport winds.....South around 25 mph becoming west around 15 mph this afternoon. .TONIGHT... Sky/weather.........Partly cloudy (50-65 percent cloud cover) until 2200, then mostly clear (25-35 percent cloud cover). A slight chance of dry thunderstorms early in the evening. CWR.................0 percent. Chance of pcpn......10 percent until 2100 then 2 percent. Chance of lightning.10 percent until 2100 then 0 percent. Min temperature.....55-57. Max humidity........55-58 percent. Wind (20 ft)........Northwest winds 8-12 mph with gusts around 20 mph becoming north 4-8 mph after 2100. Gusty and erratic outflow winds to 40 mph possible near thunderstorms early in the evening. Mixing height.......11000 ft AGL early falling to 500 ft AGL overnight. Transport winds.....West around 17 mph becoming north around 5 mph overnight. .SUNDAY... Sky/weather.........Mostly sunny (20-30 percent cloud cover). CWR.................0 percent. Chance of pcpn......0 percent. Chance of lightning.0 percent. Max temperature.....81-83. Min humidity........17-20 percent. Wind (20 ft)........North winds 3-9 mph. Mixing height.......1000 ft AGL early increasing to 12600 ft AGL (80-90th Percentile) during the afternoon. Transport winds.....West 10 to 14 mph. $$ Forecaster...Seaman Requested by...Lori Type of request...WILDFIRE .TAG 2615864.0/SLC .DELDT 06/20/26 .FormatterVersion 2.0.0 .EMAIL utrfc@firenet.gov