242
FNUS75 KSLC 092045
FWSSLC

Spot Forecast for Rocky Canyon...NUIFC
National Weather Service Salt Lake City UT
245 PM MDT Sun Aug 9 2026

Forecast is based on forecast start time of 0600 MDT on August 10.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...The main change from the prior forecast is a round
of showers and isolated thunderstorms moving over the fire between
2000-2400 tonight. Gusty and erratic outflow winds up to 30-40
mph are possible as these showers move through.

On Monday, isolated to scattered showers and thunderstorms are
expected to develop after 1400 or so, and will be capable of
producing gusty outflow winds up to 45 mph. As moisture continues
to increase across the area, expect daily afternoon thunderstorms
that will becoming increasingly wetter alongside increasing
humidity through at least Wednesday and likely the whole week.

.MONDAY...

Sky/weather.........Mostly sunny (25-35 percent cloud cover). Chance
                    of showers and thunderstorms after 1400.
CWR.................0 percent.
Chance of pcpn......20 percent.
Chance of lightning.15 percent.
Max temperature.....82-85.
Min humidity........21-24 percent.
Wind (20 ft)........Southeast winds 3 to 6 mph becoming west 6 to 10
                    mph after 1100. Gusty and erratic winds expected
                    near thunderstorms.
Mixing height.......11700 ft AGL (80-90th Percentile).
Transport winds.....West 10 to 15 mph.

.MONDAY NIGHT...

Sky/weather.........Mostly cloudy (65-75 percent cloud cover) then
                    becoming partly cloudy (40-50 percent cloud
                    cover). Slight chance of showers before 2200.
CWR.................0 percent.
Chance of pcpn......15 percent before 2200.
Chance of lightning.10 percent before 2200.
Min temperature.....58-61.
Max humidity........45-48 percent.
Wind (20 ft)........West winds 6 to 10 mph becoming southeast 3 to 6
                    mph after 2200. Gusty and erratic winds expected
                    near showers in the evening.
Mixing height.......400 ft AGL.
Transport winds.....West around 13 mph becoming south around 7 mph
                    overnight.

.TUESDAY...

Sky/weather.........Partly cloudy (40-50 percent cloud cover). Chance
                    of showers and thunderstorms after 1300.
CWR.................0 percent.
Chance of pcpn......25 percent.
Chance of lightning.15 percent.
Max temperature.....81-84.
Min humidity........23-26 percent.
Wind (20 ft)........South winds 4 to 8 mph becoming west 6 to 10
                    mph after 1100.
Mixing height.......1300 ft AGL increasing to 11400 ft AGL in the
                    afternoon (80-90th Percentile).
Transport winds.....Southeast around 6 mph becoming west around 10
                    mph in the afternoon.

$$
Forecaster...Cunningham
Requested by...Morgan Mendenhall
Type of request...WILDFIRE
.TAG 2619309.0/SLC
.DELDT 08/09/26
.FormatterVersion 2.0.0
.EMAIL morganmendenhall@utah.gov