Spot Forecast
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
724 FNUS73 KUNR 231219 FWSUNR Spot Forecast for Wakpamni Rx...Pine Ridge BIA National Weather Service Rapid City SD 619 AM MDT Thu May 23 2024 Forecast is based on ignition time of 0800 MDT on May 23. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION...A low pressure system will move through the region today bringing gusty winds and chances for showers and thunderstorms this evening and overnight. Winds this morning will initially be out of the south and gradually strengthen through the morning and shift to the west by around 11 am. These west winds will continue to strengthen through the afternoon with sustained winds of 20 to 25 mph and gusts of up to 35 mph. There will be a chance for showers this afternoon with increasing chances for thunderstorms by this evening. No severe weather is expected over the forecast area at this time. West winds this evening will shift to the northwest after midnight with sustained winds of 20 to 25 mph and gusts up to 35 mph. Northwest winds will continue through most of the day Friday. .REST OF TODAY... Sky/weather.........Mostly sunny (40-50 percent). Chance of showers in the afternoon. Max temperature.....Around 72. Min humidity........26 percent. Wind (20 ft)........Southerly winds of 15 to 20 mph in the morning, gusting up to 30 mph. Winds will shift to the west after 11 am with winds of 20 to 25 mph and gusts to around 35 mph. CWR.................20 percent. LAL.................1. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......6900 to 7400 ft agl. Transport winds.....Southwest around 35 mph. Smoke dispersal.....Excellent. .TONIGHT... Sky/weather.........Mostly cloudy (55-65 percent) then becoming partly cloudy (35-45 percent). Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers overnight. Min temperature.....Around 37. Max humidity........85 percent. Wind (20 ft)........West winds around 25 mph with gusts to around 36 mph. Gusty and erratic winds expected near thunderstorms in the evening. Winds will shift to the northwest after midnight with winds of 20 to 25 mph, gusting to 35. CWR.................20 percent. LAL.................2 until 2400, then 1. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......1200 to 1700 ft agl. Transport winds.....West 45 to 50 mph. Smoke dispersal.....Fair. .FRIDAY... Sky/weather.........Mostly sunny (30-40 percent). Slight chance of rain showers in the morning. Max temperature.....Around 64. Min humidity........31 percent. Wind (20 ft)........Northwest winds 15 to 25 mph with gusts to around 36 mph in the morning. Winds will weaken slightly and shift to the west by the afternoon with sustained winds of 15 to 20 mph, gusting to 25. CWR.................0 percent. LAL.................1. Haines Index........5 or moderate potential for large plume dominated fire growth. Mixing height.......6400 to 6900 ft agl. Transport winds.....Northwest around 40 mph becoming west around 25 mph in the afternoon. Smoke dispersal.....Very good. $$ Forecaster...EW Requested by...Craig Brown Type of request...PRESCRIBED .TAG 2414971.0/UNR .DELDT 05/23/24 .FormatterVersion 2.0.0 .EMAIL Craig.brown@usda.gov