690
FNUS75 KSLC 042045
FWSSLC

Spot Forecast for Horse Spring...USFS
National Weather Service Salt Lake City UT
245 PM MDT Fri Sep 4 2026

Forecast is based on forecast start time of 1200 MDT on September 04.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Warm, dry, and windy conditions are forecast to
persist through Sunday morning near the fire with clear skies.
Each day through Sunday, expect winds to increase starting as
early as 1000, remaining primarily southwesterly and elevated both
during the day and at night. Through Saturday, humidities will
remain above critical values, generally 25-30% before increasing
substantially Sunday. On Sunday, tropical moisture begins to push
north increasing chances for showers and thunderstorms
substantially to around 50-70%.

.REST OF TODAY...

Sky/weather.........Mostly sunny (5-15 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Max temperature.....70-72.
Min humidity........33-36 percent.
Wind (20 ft)........Southwest winds 14 to 16 mph with gusts to
                    around 30 mph. Locally higher gusts
in excess of 35mph possible along ridgelines
and exposed terrain.
Mixing height.......7800 ft AGL (50-60th Percentile).
Transport winds.....Southwest around 26 mph.

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Min temperature.....52-54.
Max humidity........50-53 percent.
Wind (20 ft)........Southwest winds 13 to 16 mph with gusts to
                    around 24 mph.
Mixing height.......600 ft AGL.
Transport winds.....Southwest 17 to 24 mph.

.SATURDAY...

Sky/weather.........Partly cloudy (50-60 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.1 percent.
Max temperature.....70-72.
Min humidity........25-30 percent.
Wind (20 ft)........Southwest winds 9 to 14 mph. Gusts up to 30 mph
                    in the late morning and afternoon. Locally higher gusts
in excess of 35mph possible along ridgelines and exposed terrain.
Mixing height.......7600 ft AGL (50-60th Percentile).
Transport winds.....Southwest 22 to 23 mph.

$$
Forecaster...Worster
Requested by...Sarah Jorgenson
Type of request...WILDFIRE
.TAG 2621210.0/SLC
.DELDT 09/04/26
.FormatterVersion 2.0.0
.EMAIL sarah.jorgenson@usda.gov