620
FNUS75 KSLC 160113
FWSSLC

Spot Forecast for Millcreek RX...USFS
National Weather Service Salt Lake City UT
713 PM MDT Wed Oct 15 2025

Forecast is based on ignition time of 0600 MDT on October 16.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...A broad storm system will cross Utah through
Thursday. With this system, the burn will continue to see a moist
and unstable airmass with periods of snow showers continuing
through the morning. As the precipitation tapers off late Thursday
morning/early Thursday afternoon, the airmass will become
increasingly stable, keeping clearing indices below 500. The
airmass will dry and continue to be stable through Saturday, with
generally light and terrain driven winds continuing. Transport
winds will increase Sunday ahead another storm system that will
move across the area on Monday.

.THURSDAY...

Sky/weather.........Mostly cloudy (75-85 percent cloud cover). Snow
                    showers likely early in the morning, then
                    slight chance of snow showers late in the
                    morning. Chance of snow showers in the
                    afternoon.
CWR.................40 percent.
Chance of pcpn......60 percent.
Chance of lightning.10 percent.
Max temperature.....32-36.
Min humidity........90-94 percent.
Wind (20 ft)........Upslope/upvalley winds 3-7 mph.
Mixing height.......1100 ft AGL.
   Climatology......20-30th Percentile.
Transport winds.....West winds 8-12 mph.
Clearing index......200.

.THURSDAY NIGHT...

Sky/weather.........Partly cloudy (45-55 percent cloud cover).
CWR.................0 percent.
Chance of pcpn......10 percent.
Chance of lightning.5 percent.
Min temperature.....28-32.
Max humidity........94-94 percent.
Wind (20 ft)........Downslope/downvalley winds up to 5 mph.
Mixing height.......0 ft AGL.
Transport winds.....West winds 8-12 mph.

.FRIDAY...

Sky/weather.........Partly cloudy (30-40 percent cloud cover) then
                    becoming mostly sunny (25-35 percent cloud
                    cover).
CWR.................0 percent.
Chance of pcpn......0 percent.
Chance of lightning.0 percent.
Max temperature.....38-42.
Min humidity........70-74 percent.
Wind (20 ft)........Upslope/upvalley winds 3-7 mph.
Mixing height.......1900 ft AGL.
   Climatology......20-30th Percentile.
Transport winds.....West winds 5-10 mph.
Clearing index......210.

$$
Forecaster...Traphagan
Requested by...Carlos Sandoval
Type of request...PRESCRIBED
.TAG 2523601.0/SLC
.DELDT 10/15/25
.FormatterVersion 2.0.0
.EMAIL Peter.Noble@usda.gov,Carlos.Sandoval@usda.gov,jason.bullough@usda.gov,Richard.Nielson@usda.gov