328
FNUS73 KUNR 052155
FWSUNR

Spot Forecast for Green Acres Fire...Forest Service
National Weather Service Rapid City SD
255 PM MST Wed Mar 5 2025

Forecast is based on forecast start time of 1500 MST on March 05.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Strongest winds this afternoon will again be west of
the fire area, along US18 where 20 foot winds are gusting 25 to 35
mph. Expect more terrain-variability over the fire area this afternoon
and overnight, particularly after 2200. Winds will shift more easterly
to northeasterly after 0200-0300 Thursday morning. Winds will increase
through Thursday afternoon out of the northeast; expect winds to funnel
into the fire area with stronger gusts expected (although winds will
coincide with precipitation).

Snow chances ramp up after 0800-1000 Thursday morning and continue
through Thursday night. Heaviest snowfall rates expected to fall
mid-day through the evening hours. Total snow amounts of 6-8 inches,
with locally higher amounts likely by Friday morning. Total liquid
precipitation around 0.5-0.75".

Skies will slowly clear out by Friday evening with temperatures trending
warm into the weekend with 50s to 60s expected Sunday through Wednesday.

.REST OF TODAY...

Sky/weather.........Sunny (10-20 percent).
Max temperature.....Around 57.
Min humidity........30-34 percent.
Wind (20 ft)........Northwest winds 10 to 20 mph with gusts to
                    around 20 to 25 mph. Again, strongest winds
                    west of fire along US18.
CWR.................0 percent.
Mixing height.......6300 to 6800 ft agl.
Transport winds.....Northwest around 30 mph.
Smoke dispersal.....Excellent.

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (75-85 percent).
Min temperature.....Around 26.
Max humidity........75-80 percent.
Wind (20 ft)........Northwest winds 5 to 10 mph shifting to the
                    east after 0200. Gusts up to 18 mph.
CWR.................0 percent.
Mixing height.......500 to 1000 ft agl.
Transport winds.....Northwest around 15 mph shifting to the
                    northeast overnight.
Smoke dispersal.....Poor.

.THURSDAY...

Sky/weather.........Cloudy (95-100 percent). Snow through the day.
                    Patchy blowing snow in the afternoon.
Max temperature.....Around 34.
Min humidity........65-70 percent.
Wind (20 ft)........Northeast winds 10 to 20 mph increasing to 20
                    to 25 mph in the afternoon. Gusts up to 35 mph.
CWR.................80 percent.
Mixing height.......1600 to 2100 ft agl.
Transport winds.....East around 25 mph increasing to northeast
                    around 35 mph in the afternoon.
Smoke dispersal.....Good.

$$
Forecaster...SE
Requested by...Mitchell Rothleutner
Type of request...WILDFIRE
.TAG 2505060.0/UNR
.DELDT 03/05/25
.FormatterVersion 2.0.0
.EMAIL mitchell.rothleutner@usda.gov