463
FNUS75 KGJT 300948
FWSGJT

Spot Forecast for Slough Canyon...BLM
National Weather Service Grand Junction CO
348 AM MDT Sun Aug 30 2026

Forecast is based on forecast start time of 0432 MDT on August 30.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...
Disturbances will work on the increased moisture today bringing
another round of showers and storms. Some showers and storms will
bring heavy rain, lightning and gusty outflow winds. This
convection will continue through the day and into the evening
hours. Similar conditions expected Monday so look for more rain
across the area. Chances for showers and storms are in the 70 to
90% range.

.TODAY...

Sky/weather.........Partly sunny (55-65 percent). Scattered rain
                    and thunderstorms through the day.
CWR.................70 percent.
Max temperature.....70-75.
Min humidity........39-44 percent.
Wind (20 ft)........South winds 10 mph increasing to 15 mph in the
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms.
Smoke dispersal.....Poor (4000-32000 knot-ft) increasing to good in
                    the afternoon.
Mixing height.......600 ft AGL increasing to 5700 ft AGL.
Transport winds.....Southwest 13 mph.
Clearing Index......50 increasing to 1050.
Chance of thunder...50 percent.

.TONIGHT...

Sky/weather.........Mostly cloudy (55-65 percent). Scattered
                    showers and thunderstorms in the evening.
CWR.................10 percent.
Min temperature.....52-57.
Max humidity........69-74 percent.
Wind (20 ft)........Downslope/Downvally 5 to 10 mph. Gusty and
                    erratic winds expected near thunderstorms
                    in the evening.
Smoke dispersal.....Poor (4000-24000 knot-ft).
Mixing height.......3000 ft AGL decreasing to 500 ft AGL overnight.
Transport winds.....Southeast 10 mph.
Clearing Index......360 decreasing to 50 overnight.
Chance of thunder...25 percent.

.MONDAY...

Sky/weather.........Partly sunny (60-70 percent). Isolated showers
                    and thunderstorms in the morning, then numerous
                    rain showers and thunderstorms in the
                    afternoon.
CWR.................50 percent.
Max temperature.....68-73.
Min humidity........43-48 percent.
Wind (20 ft)........South winds 10 mph shifting to the southwest 15
                    mph in the afternoon. Gusty and erratic winds
                    expected near thunderstorms.
Smoke dispersal.....Poor (27000 knot-ft) increasing to good in the
                    afternoon.
Mixing height.......3300 ft AGL increasing to 5900 ft AGL in the
                    afternoon.
Transport winds.....South 12 mph.
Clearing Index......270 increasing to 1050 in the afternoon.
Chance of thunder...45 percent.

$$
Forecaster...Tom Renwick
Requested by...Jason Kirks
Type of request...WILDFIRE
.TAG 2620876.1/GJT
.DELDT 08/30/26
.FormatterVersion 2.0.0
.EMAIL cfischer@blm.gov,jkirks@blm.gov,utubc@firenet.gov