998
FNUS75 KSLC 181138
FWSSLC

Spot Forecast for Green Canyon...Utah FFSL
National Weather Service Salt Lake City UT
538 AM MDT Mon Aug 18 2025

Forecast is based on forecast start time of 0700 MDT on August 18.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...High pressure is expected to build overhead through
the next several days. This will result in hot and dry conditions
and generally terrain driven diurnal winds at the fire through
Tuesday. Additionally, this will yield poor overnight recoveries
Monday night with low humidities both Monday and Tuesday.

On Wednesday, humidities are expected to increase somewhat near
the fire as a monsoon surge pushes into the region. This
moistening trend is expected to continue through the week.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Max temperature.....89-92.
Min humidity........12-14 percent.
Wind (20 ft)........Downslope winds 6-8 mph becoming southwest around 0900-1000.
Mixing height.......12400 ft AGL.
   Climatology......80-90th Percentile.
Transport winds.....Southeast around 13 mph becoming south around
                    15 mph in the afternoon.

.TONIGHT...

Sky/weather.........Clear (0-10 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Min temperature.....63-65.
Max humidity........25-27 percent.
Wind (20 ft)........Southwest winds 5-7 mph becoming downslope around 2100-2200.
Mixing height.......1400 ft AGL.
Transport winds.....Southwest around 14 mph becoming east around 10
                    mph overnight.

.TUESDAY...

Sky/weather.........Sunny (0-10 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Max temperature.....95-97.
Min humidity........11-13 percent.
Wind (20 ft)........Downslope winds 4-7 mph becoming west 5-7 mph in the
                    following 0900-1000.
Mixing height.......13000 ft AGL.
   Climatology......80-90th Percentile.
Transport winds.....East around 9 mph becoming southwest around 13
                    mph in the afternoon.

$$
Forecaster...Worster
Requested by...Dallin Bodrero
Type of request...WILDFIRE
.TAG 2520119.0/SLC
.DELDT 08/18/25
.FormatterVersion 2.0.0
.EMAIL dallinbodrero@utah.gov