716
FNUS75 KGJT 142343
FWSGJT

Spot Forecast for Swiss Roll Wildfire...USDA
National Weather Service Grand Junction CO
543 PM MDT Mon Sep 14 2026

Forecast is based on forecast start time of 1800 MDT on September 14.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Active weather continues for the next several days. Through
Tuesday afternoon, light rain showers will be expected with a
lower chance of thunderstorms. Storm coverage increases Tuesday
night into Wednesday with chances of wetting rain reaching around
70% by Wednesday afternoon. Any thunderstorms that pass nearby
will be capable of producing gusty and erratic outflow winds.
Storms may also produce localized heavy rainfall that could prompt
flash flooding and debris flows.

.TONIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Chance of
                    thunderstorms in the evening. Chance of rain
                    showers through the night.
CWR.................10 percent.
Min temperature.....44-49.
Max humidity........81-86 percent.
Wind (20 ft)........South winds 3-6 mph. Gusty and erratic winds
                    expected near thunderstorms in the evening.
Smoke dispersal.....Poor (4000-13000 knot-ft).
Mixing height.......1400 ft AGL.
Transport winds.....Southwest 10 mph.
Chance of thunder...25 percent.

.TUESDAY...

Sky/weather.........Partly sunny (45-55 percent). Chance of showers
                    and thunderstorms in the afternoon.
CWR.................20 percent.
Max temperature.....60-65.
Min humidity........38-43 percent.
Wind (20 ft)........Variable winds 3-5 mph near sunrise becoming
                    southwest 8-12 mph near noon MDT. Gusts up to
                    20 mph possible after 1400 MDT. Gusty and
                    erratic winds expected near thunderstorms in
                    the afternoon.
Smoke dispersal.....Good.
Mixing height.......5400 ft AGL.
Transport winds.....Southwest 12 mph.
Chance of thunder...40 percent.

.TUESDAY NIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of
                    thunderstorms in the evening. Rain showers
                    likely and chance of thunderstorms through
                    the night.
CWR.................55 percent.
Min temperature.....46-51.
Max humidity........77-82 percent.
Wind (20 ft)........South winds 4-7 mph becoming variable 3-5 mph
                    overnight. Gusty and erratic winds expected
                    near thunderstorms.
Smoke dispersal.....Poor (4000-23000 knot-ft).
Mixing height.......2600 ft AGL decreasing to 600 ft AGL overnight.
Transport winds.....Southwest 10 mph.
Chance of thunder...35 percent.

.WEDNESDAY...

Sky/weather.........Cloudy (85-95 percent). Rain showers likely and
                    slight chance of thunderstorms in the morning,
                    then rain showers and chance of thunderstorms
                    in the afternoon.
CWR.................70 percent.
Max temperature.....56-61.
Min humidity........49-54 percent.
Wind (20 ft)........Southwest winds 5-10 mph. Gusty and erratic
                    winds expected near thunderstorms.
Smoke dispersal.....Poor (16000-32000 knot-ft).
Mixing height.......3500 ft AGL.
Transport winds.....Southwest 10 mph.
Chance of thunder...55 percent.

$$
Forecaster...Braeden Winters
Requested by...Cameron Castle
Type of request...WILDFIRE
.TAG 2621670.6/GJT
.DELDT 09/14/26
.FormatterVersion 2.0.0
.EMAIL thadmckain@gmail.com,ccastle@elkcreekfire.org