210
FNUS73 KUNR 171414
FWSUNR

Spot Forecast for Slider Machine Piles...USFS
National Weather Service Rapid City SD
714 AM MST Fri Jan 17 2025

Forecast is based on ignition time of 0600 MST on January 17.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Gusty northwest winds and light snow are expected for
the next couple of days. The strongest winds will be today, with the
potential for gusts around 45 mph. Through Saturday, an inch or two
of snow accumulation will be possible. Temperatures will become much
colder through the weekend. Wind chills today will be about 10 below
zero, and 25 to 30 below zero tonight into Saturday morning.

.TODAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of snow.
Max temperature.....Around 30.
Min humidity........56 percent.
Wind (20 ft)........Northwest winds 20 to 30 mph with gusts to
                    around 45 mph.
CWR.................20 percent.
LAL.................1.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......4100 to 4600 ft agl.
Transport winds.....Northwest 40 to 45 mph.
Smoke dispersal.....Excellent.

.TONIGHT...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    snow in the evening, then chance of flurries
                    overnight.
Min temperature.....Around 1 below.
Max humidity........83 percent.
Wind (20 ft)........Northwest winds 10 to 15 mph with gusts to
                    around 25 mph.
CWR.................15 percent.
LAL.................1.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......600 to 1100 ft agl.
Transport winds.....Northwest around 35 mph decreasing to around 20
                    mph overnight.
Smoke dispersal.....Poor.

.SATURDAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of
                    flurries in the morning, then chance of snow in
                    the afternoon.
Max temperature.....Around 7 above.
Min humidity........61 percent.
Wind (20 ft)........Northwest winds 10 to 15 mph with gusts to
                    around 30 mph.
CWR.................20 percent.
LAL.................1.
Haines Index........2 or very low potential for large plume
                    dominated fire growth.
Mixing height.......3800 to 4300 ft agl.
Transport winds.....Northwest around 30 mph increasing to around 40
                    mph in the afternoon.
Smoke dispersal.....Very good.

$$
Forecaster...KP
Requested by...Keifer Huntley
Type of request...PRESCRIBED
.TAG 2500484.0/UNR
.DELDT 01/17/25
.FormatterVersion 2.0.0
.EMAIL keifer.huntley@usda.gov