384
FNUS75 KGJT 131835
FWSGJT

Spot Forecast for 310 Fire...Team CO IMT
National Weather Service Grand Junction CO
1235 PM MDT Thu Aug 13 2026

Forecast is based on forecast start time of 1300 MDT on August 13.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Moisture will continue to increase with southerly
flow through Friday before conditions dry out a bit over the
weekend. Expect scattered to widespread coverage of showers and
storms through Friday before coverage decreases this weekend.
Erratic gusty outflow winds 30-40 mph are possible near any storms
as well as brief heavy rain and small hail. As a result of the
moisture and increased cloud cover, temperatures will be lower and
relative humidity will be higher. Chance of wetting rain drops
below 10% this weekend.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent). Showers and
                    thunderstorms likely.
CWR.................10 percent.
Max temperature.....77-82.
Min humidity........37-42 percent.
Wind (20 ft)........Southwest winds 8 to 12 mph with gusts to 20
                    mph. Gusty and erratic winds expected near
                    thunderstorms.
Smoke dispersal.....Fair.
Mixing height.......Increasing to 5100 ft AGL by peak heating in
                    mid afternoon.
Transport winds.....Southwest 14 mph.
Chance of thunder...55 percent.

.TONIGHT...

Sky/weather.........Mostly cloudy (50-60 percent) then becoming
                    partly cloudy (45-55 percent). Chance of
                    showers and thunderstorms in the evening, then
                    slight chance of showers overnight.
CWR.................20 percent.
Min temperature.....57-62.
Max humidity........71-76 percent.
Wind (20 ft)........Southwest winds 8 to 12 mph in the early evening,
                    shifting to the southeast 5 mph overnight. Gusty
                    and erratic winds expected near thunderstorms
                    in the evening.
Smoke dispersal.....Poor (3000-36000 knot-ft).
Mixing height.......3300 ft AGL decreasing to 500 ft AGL overnight.
Transport winds.....Southwest 13 mph shifting to the east 5 mph
                    overnight.
Chance of thunder...35 percent.

.FRIDAY...

Sky/weather.........Mostly sunny (40-50 percent). Slight chance of
                    showers and thunderstorms in the morning, then
                    chance of showers and thunderstorms in the
                    afternoon.
CWR.................10 percent.
Max temperature.....76-81.
Min humidity........32-37 percent.
Wind (20 ft)........Downslope/downvalley winds 5 mph until 0900,
                    shifting to the southwest 8 to 12 mph with gusts
                    to 20 mph in the afternoon. Gusty and erratic
                    winds expected near thunderstorms.
Smoke dispersal.....Poor (33000 knot-ft) increasing to very good in
                    the afternoon.
Mixing height.......4200 ft AGL increasing to 7100 ft AGL in the
                    afternoon by peak heating.
Transport winds.....South 10 mph shifting to the west 16 mph in the
                    afternoon.
Chance of thunder...40 percent.

.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...
Partly cloudy. Chance of showers and thunderstorms. Lows in the
upper 50s. Highs in the lower 80s. Southeast winds 5 mph.
.SUNDAY...
Mostly clear. Lows in the upper 50s. Highs in the lower 80s.
Southeast winds 5 mph.
.MONDAY...
Partly cloudy. Lows around 60. Highs in the mid 80s. Southeast
winds 5 mph.

$$
Forecaster...Matt Aleksa
Requested by...Larry Long
Type of request...WILDFIRE
.TAG 2619194.5/GJT
.DELDT 08/13/26
.FormatterVersion 2.0.0
.EMAIL lawrence.long719@gmail.com,rose.long@state.co.us