172
FNUS75 KGJT 170351
FWSGJT

Spot Forecast for Steamboat Rocks RX...Forest Service
National Weather Service Grand Junction CO
951 PM MDT Wed Apr 16 2025

Forecast is based on ignition time of 0800 MDT on April 17.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Strong prefrontal winds develop on Thursday ahead of
a system dropping out of the northern Intermountain region. This
will bring gusts of 45 mph or higher in the afternoon. As the
storm draws closer, precipitation chances increase during the
afternoon, becoming likely overnight as the cold front moves
through toward midnight. Snow is all but certain Friday as
temperatures fall and the airmass becomes saturated while the
storm center passes overhead.

.THURSDAY...

Sky/weather.........Mostly sunny (40-50 percent). Isolated rain
                    showers early in the morning. Slight chance of
                    snow showers through the day. Chance of rain
                    showers in the afternoon.
CWR.................20 percent.
Max temperature.....52-57.
Min humidity........21-26 percent.
Wind (20 ft)........Breezy. Southwest winds 18 to 23 mph with gusts to
                    around 45 mph.
Smoke dispersal.....Becoming fair by 0900, the becoming excellent by
                    noon.
Mixing height.......Climbing to 10200 ft AGL at peak heating.
Transport winds.....Southwest 33 mph.
Chance of thunder...5 percent.

.THURSDAY NIGHT...

Sky/weather.........Mostly cloudy (80-90 percent). Snow showers
                    likely with possible showers and thunderstorms
                    in the evening, then chance of snow showers
                    overnight.
CWR.................50 percent.
Min temperature.....29-34.
Max humidity........60-65 percent.
Wind (20 ft)........West winds 15 to 20 mph with gusts to around
                    35 mph. Stronger gusty and erratic winds expected
                    near thunderstorms in the evening.
Smoke dispersal.....Decreasing to poor (20000 knot-ft) overnight.
Mixing height.......Decreasing to 1800 ft AGL overnight.
Transport winds.....Northwest 25 mph decreasing to 13 mph
                    overnight.
Chance of thunder...15 percent.

.FRIDAY...

Sky/weather.........Mostly cloudy (80-90 percent) and cooler. Snow
                    showers likely in the morning, then snow showers
                    in the afternoon.
CWR.................50 percent.
Max temperature.....35-40.
Min humidity........53-58 percent.
Wind (20 ft)........Southwest winds 10 to 15 mph shifting to the west
                    in the afternoon.
Smoke dispersal.....Fair during the afternoon.
Mixing height.......5300 ft AGL at peak heating.
Transport winds.....West 10 mph.
Chance of thunder...5 percent.

$$

Forecaster...Norv Larson
Requested by...Grand Junction
Type of request...PRESCRIBED
.TAG 2510749.0/GJT
.DELDT 04/17/25
.FormatterVersion 2.0.0
.EMAIL brooke.bosman@usda.gov