813
FNUS75 KGJT 131157
FWSGJT

Spot Forecast for Slough...BLM
National Weather Service Grand Junction CO
557 AM MDT Sun Sep 13 2026

Forecast is based on forecast start time of 0600 MDT on September 13.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Increasing winds and precipitation chances
highlight the forecast over the next 24 hours. RH will be notably
higher than previous days, but watch out for lightning and outflow
winds from nearby storms. Precipitation chances fall on Monday,
but isolated showers and storms cannot be ruled out.

.TODAY...

Sky/weather.........Sunny (20-30 percent). Scattered showers and
                    isolated thunderstorms in the afternoon.
CWR.................10 percent.
Max temperature.....75-80.
Min humidity........30-35 percent.
Wind (20 ft)........Breezy. South winds 15-25 mph. Gusty and
                    erratic winds expected near thunderstorms in
                    the afternoon.
Mixing height.......5300 ft AGL increasing to 8700 ft AGL in the
                    afternoon.
Transport winds.....Southwest 27 mph.
Clearing Index......1050.
Chance of thunder...25 percent.

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    partly cloudy (40-50 percent). Numerous showers
                    and scattered thunderstorms in the evening,
                    then scattered showers and isolated
                    thunderstorms overnight.
CWR.................40 percent.
Min temperature.....56-61.
Max humidity........66-71 percent.
Wind (20 ft)........South winds 15-20 mph with gusts to around 35 mph.
                    Gusty and erratic winds expected near
                    thunderstorms.
Mixing height.......5500 ft AGL decreasing to 900 ft AGL overnight.
Transport winds.....South 25 mph.
Clearing Index......1050 decreasing to 150 overnight.
Chance of thunder...30 percent.

.MONDAY...

Sky/weather.........Mostly sunny (20-30 percent). Slight chance of
                    showers and thunderstorms.
CWR.................0 percent.
Max temperature.....70-75. away form
Min humidity........29-34 percent.
Wind (20 ft)........South winds 10 mph shifting to the southwest 15
                    mph in the afternoon. Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......4500 ft AGL increasing to 7600 ft AGL in the
                    afternoon.
Transport winds.....Southwest 17 mph.
Clearing Index......630 increasing to 1050 in the afternoon.
Chance of thunder...15 percent.

$$
Forecaster...Kathryn Abbott
Requested by...Alton Pickup
Type of request...WILDFIRE
.TAG 2621259.8/GJT
.DELDT 09/13/26
.FormatterVersion 2.0.0
.EMAIL alton.pickup@bia.gov