822
FNUS75 KSLC 280959
FWSSLC

Spot Forecast for Argyle RX Piles...USFS
National Weather Service Salt Lake City UT
359 AM MDT Mon Sep 28 2026

Forecast is based on ignition time of 0800 MDT on September 28.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...As an upper level system moves through the Desert
Southwest, deep tropical moisture will continue to spread across
the region through Tuesday. This will bring widespread
precipitation today. The best forcing for precipitation will shift
east of the Uintas on Tuesday, though scattered showers and
thunderstorms will continue to be possible. Minimum humidities
will fall around 10% Tuesday compared to Monday.

.TODAY...

Sky/weather.........Mostly cloudy (90-100 percent cloud cover).
                    Scattered showers and thunderstorms this morning
                    becoming numerous after 1200.
CWR.................85 percent.
Chance of pcpn......100 percent.
Chance of lightning.45 percent.
Max temperature.....Around 50.
Min humidity........92-97 percent.
Wind (20 ft)........South winds 2 to 5 mph increasing to 5 to 10 mph
                    after 1100. Gusty outflow winds near thunderstorms.
Mixing height.......3000 ft AGL (30-40th Percentile).
Transport winds.....South around 10 mph.
Clearing index......280.

.TONIGHT...

Sky/weather.........Mostly cloudy (85-95 percent cloud cover). Numerous
                    showers and thunderstorms in the evening becoming
                    scattered after 2100.
CWR.................65 percent.
Chance of pcpn......90 percent.
Chance of lightning.30 percent.
Min temperature.....42-44.
Max humidity........100 percent.
Wind (20 ft)........Northeast to east winds 2 to 5 mph. Gusty outflow winds
                    near thunderstorms.
Mixing height.......1600 ft AGL.
Transport winds.....South around 7 mph becoming north around 8 mph
                    overnight.

.TUESDAY...

Sky/weather.........Mostly cloudy (65-75 percent cloud cover) then
                    becoming partly cloudy (55-65 percent cloud
                    cover). Isolated showers and thunderstorms becoming
                    scattered after 1200.
CWR.................10 percent.
Chance of pcpn......40 percent.
Chance of lightning.20 percent.
Max temperature.....50-52.
Min humidity........80-85 percent.
Wind (20 ft)........Northeast winds 3 to 6 mph. Gusty outflow winds
                    near thunderstorms.
Mixing height.......5000 ft AGL (30-40th Percentile).
Transport winds.....Northeast 12 to 14 mph.
Clearing index......610.

$$
Forecaster...Kruse
Requested by...Kanaan Nealley
Type of request...PRESCRIBED
.TAG 2622241.5/SLC
.DELDT 09/28/26
.FormatterVersion 2.0.0
.EMAIL bryan.hughes@usda.gov,ryan.crow@usda.gov,joseph.l.williams@usda.gov,kanaan.nealley@usda.gov