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FNUS73 KUNR 022108

FWSUNR



Spot Forecast for Pilger Mountain Fire...GPC

National Weather Service Rapid City SD

308 PM MDT Thu May 2 2024



Forecast is based on forecast start time of 1600 MDT on May 02. 

If conditions become unrepresentative, contact the National Weather

Service.



.DISCUSSION...Gusty westerly winds will continue through the afternoon.

Any isolated shower is possible, however there is very little chance of

wetting rain. Gusty and erratic winds are possible near any showers.

The wind will decrease around sunset this evening and then become northeast

overnight. There is a chance of snow showers and rain showers on Friday morning.



.REST OF TODAY...



Sky/weather.........Mostly sunny (25-35 percent). Isolated Showers.

                    Erratic and gusty winds possible near any showers. 

Max temperature.....Around 57. 

Min humidity........14 percent. 

Wind (20 ft)........West winds around 20 mph with gusts to around 

                    32 mph. 

CWR.................0 percent. 

LAL.................1. 

Haines Index........6 or high potential for large plume dominated 

                    fire growth. 

Mixing height.......13800 to 14300 ft agl. 

Transport winds.....West around 40 mph. 

Smoke dispersal.....Excellent. 



.TONIGHT...



Sky/weather.........Partly cloudy (10-20 percent) then becoming 

                    mostly cloudy (55-65 percent). 

Min temperature.....Around 32. 

Max humidity........Around 70 percent. 

Wind (20 ft)........Northwest winds 15 to 25 mph early in the evening, decreasing

                    to 5 to 10 mph after 800 PM. Winds becoming northeast 5 to 10 mph

                    after 1000 PM.  

CWR.................0 percent. 

LAL.................1. 

Haines Index........6 or high potential for large plume dominated 

                    fire growth. 

Mixing height.......400 to 900 ft agl. 

Transport winds.....Northwest around 25 mph shifting to the east 

                    around 10 mph overnight. 

Smoke dispersal.....Poor. 



.FRIDAY...



Sky/weather.........Cloudy (85-95 percent) then becoming partly 

                    sunny (55-65 percent). Snow showers and rain 

                    showers likely in the morning, then chance of 

                    rain showers in the afternoon. 

Max temperature.....Around 51. 

Min humidity........Around 36 percent. 

Wind (20 ft)........Northeast winds around 10 mph shifting to the 

                    northwest in the afternoon. Gusts up to 18 mph. 

CWR.................40 percent. 

LAL.................1. 

Haines Index........2 or very low potential for large plume 

                    dominated fire growth. 

Mixing height.......6000 to 6500 ft agl. 

Transport winds.....Northeast around 15 mph shifting to the 

                    northwest in the afternoon. 

Smoke dispersal.....Very good. 



$$

Forecaster...GR

Requested by...Great Plains

Type of request...WILDFIRE

.TAG 2413040.0/UNR

.DELDT 05/02/24

.FormatterVersion 2.0.0

.EMAIL sdgpc@firenet.gov