125
FNUS75 KGJT 281207
FWSGJT

Spot Forecast for South Rim...NPS
National Weather Service Grand Junction CO
607 AM MDT Thu Aug 28 2025

Forecast is based on forecast start time of 0700 MDT on August 28.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Thunderstorms and rain showers will produce wetting rains again
today. Hail and gusty outflows will also pose threats today and
tomorrow. Localized flash flooding will remain a concern for
sensitive areas. Critical fire weather conditions are not expected
today or tomorrow. Cooler and wet conditions are expected again
Friday with localized flash flooding still a concern. Warmer and
drier conditions return this weekend.

.TODAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
Max temperature.....70-75.
Min humidity........27-32 percent.
Wind (20 ft)........South winds 5 mph shifting to the west-northwest
                    at 10-15 mph with gusts to 20 mph in the
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms in the afternoon.
Transport winds.....South 10 mph shifting to the west in the
                    afternoon at 15-20 mph.
Chance of thunder...10 percent.

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent) then becoming
                    mostly cloudy (55-65 percent). Slight chance of
                    rain showers overnight.
CWR.................10 percent.
Min temperature.....51-56.
Max humidity........63-68 percent.
Wind (20 ft)........West winds 10 mph shifting to the south
                    overnight at 5-8 mph.
Transport winds.....West 10 mph shifting to the south 5-10 mph
                    overnight.
Chance of thunder...5 percent.

.FRIDAY...

Sky/weather.........Partly sunny (60-70 percent). Chance of rain
                    showers through the day. Chance of
                    thunderstorms in the afternoon.
CWR.................20 percent.
Max temperature.....65-70.
Min humidity........36-41 percent.
Wind (20 ft)........West-northwest winds 8-12 mph with gusts to 18 mph.
                    Gusty and erratic winds expected near thunderstorms
                    in the afternoon.
Transport winds.....West 12-16 mph.
Chance of thunder...40 percent.

$$
Forecaster...Lucas Boyer
Requested by...Montana Masden
Type of request...WILDFIRE
.TAG 2520374.5/GJT
.DELDT 08/28/25
.FormatterVersion 2.0.0
.EMAIL montana.masden@usda.gov