FNUS75 KSLC 201528

FWSSLC



Spot Forecast for Training Spot A...BLM

National Weather Service Salt Lake City UT

928 AM MDT Sat Jun 20 2026



Forecast is based on forecast start time of 1432 MDT on June 20. 

If conditions become unrepresentative...contact the National Weather

Service.



...RED FLAG WARNING FOR WIDELY SCATTERED DRY THUNDERSTORMS IN EFFECT 

FROM 2 PM THIS AFTERNOON TO 10 PM MDT THIS EVENING...



.DISCUSSION...Gusty southwest winds will shift to westerly late 

this morning as a weak cold front sags into the area. Overnight RH

recovery was non-existant, and RH values in the mid to upper teens 

will persist throughout the day. With daytime heating, this cold 

front will allow for high based showers and dry thunderstorms 

this afternoon and evening, most likely between 1500 and 0200. 

Strong outflow winds to 50 mph and dry lightning can be expected 

with any storms which pass near the site. Northerly flow Sunday

will allow for seasonal temperatures but low daytime RH.



.REST OF TODAY... 



Sky/weather.........Mostly sunny (15-25 percent cloud cover) until 

                    1500, then partly cloudy (35-50 percent cloud

                    cover). Widely scattered dry thunderstorms after

                    1400.  

CWR.................0 percent. 

Chance of pcpn......20 percent. 

Chance of lightning.25 percent. 

Max temperature.....Around 90. 

Min humidity........15-18 percent. 

Wind (20 ft)........Southwest 8-12 mph with gusts to around 20 mph 

                    until 1100, then becoming west 7-10 mph with 

                    gusts 15-18 mph. Gusty and erratic winds to 

                    50 mph possible near thunderstorms and areas

                    of virga late in the afternoon. 

Mixing height.......12100 ft AGL (80-90th Percentile). 

Transport winds.....West around 18 mph. 



.TONIGHT...



Sky/weather.........Partly cloudy (50-65 percent cloud cover) until 

                    2100, then mostly clear (20-30 percent cloud cover). 

                    A slight chance of dry thunderstorms early in the 

                    evening. 

CWR.................0 percent. 

Chance of pcpn......15 percent. 

Chance of lightning.15 percent. 

Min temperature.....63-65. 

Max humidity........42-44 percent. 

Wind (20 ft)........Northwest 8-12 mph with gusts to around 

                    18 mph becoming north 5-9 mph after 2100. Gusty and 

                    erratic outflow winds to 50 mph possible near 

                    thunderstorms and areas of virga early in the

                    evening.  

Mixing height.......11600 ft AGL decreasing to 600 ft AGL 

                    overnight. 

Transport winds.....West around 18 mph becoming northeast around 15 

                    mph overnight. 



.SUNDAY...



Sky/weather.........Mostly sunny (0-10 percent cloud cover). 

CWR.................0 percent. 

Chance of pcpn......0 percent. 

Chance of lightning.0 percent. 

Max temperature.....86-88. 

Min humidity........14-16 percent. 

Wind (20 ft)........North 4-8 mph. 

Mixing height.......11100 ft AGL (70-80th Percentile). 

Transport winds.....Northeast around 7 mph becoming west around 15 

                    mph in the afternoon. 



$$

Forecaster...Seaman

Requested by...M. Doherty

Type of request...WILDFIRE

.TAG 2615800.1/SLC

.DELDT 06/20/26

.FormatterVersion 2.0.0

.EMAIL mdoherty@blm.gov