965
FNUS75 KSLC 152052
FWSSLC

Spot Forecast for Widemouth 2...Forest Service
National Weather Service Salt Lake City UT
252 PM MDT Tue Sep 15 2026

Forecast is based on forecast start time of 0600 MDT on September 16.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...Moisture will increase through tonight maintaining a
chance for overnight showers and thunderstorms. Moderate to heavy
rainfall will be possible with any thunderstorms which pass near the
fire.

Southerly flow will maintain mild and breezy conditions on Wednesday,
with gusty south winds surfacing across the fire area late morning
through afternoon. Increasing moisture will keep RH elevated above
30 percent throughout the day, and bring a chance for additional
showers and thunderstorms Wednesday afternoon and evening. Locally
heavy rain will be possible with the strongest storms, which will
bring the potential for debris flows. This moisture will remain
across the area through Thursday, maintaining elevated RH and
bringing additional rounds of showers and thunderstorms.

.WEDNESDAY...

Sky/weather.........Partly cloudy (40-50 percent cloud cover). A
                    chance of showers and thunderstorms, mainly
                    during the afternoon.
CWR.................20 percent.
Chance of pcpn......40 percent.
Chance of lightning.30 percent.
Max temperature.....80-85.
Min humidity........38-45 percent.
Wind (20 ft)........South 3-8 mph until 1100, then increasing to
                    south 6-10 mph with gusts 20-25 mph. Gusty
                    outflow winds to 40 mph near thunderstorms.
Mixing height.......6700 ft AGL (50-60th Percentile).
Transport winds.....South 15 mph.

.WEDNESDAY NIGHT...

Sky/weather.........Partly cloudy (60-70 percent cloud cover).
                    Slight chance of showers and thunderstorms
                    through the night.
CWR.................10 percent.
Chance of pcpn......20 percent.
Chance of lightning.18 percent.
Min temperature.....Around 60.
Max humidity........89-92 percent.
Wind (20 ft)........Southeast winds 2 to 9 mph. Gusty and erratic
                    winds expected near thunderstorms.
Mixing height.......500 ft AGL.
Transport winds.....South 10 mph.

.THURSDAY...

Sky/weather.........Partly cloudy (55-70 percent cloud cover). A
                    chance of showers and thunderstorms, mainly
                    during the afternoon.
CWR.................15 percent.
Chance of pcpn......40 percent.
Chance of lightning.33 percent.
Max temperature.....80-85.
Min humidity........62-65 percent.
Wind (20 ft)........South 3-7 mph until 1100, then becoming
                    southwest 5-9 mph with 15-20 mph in the
                    afternoon.
Mixing height.......7500 ft AGL (60-70th Percentile).
Transport winds.....South 10 to 15 mph.

$$
Forecaster...Seaman
Requested by...Sierra Sampson
Type of request...WILDFIRE
.TAG 2621952.0/SLC
.DELDT 09/15/26
.FormatterVersion 2.0.0
.EMAIL sierra.sampson@usda.gov