


Suppression Forecast
Issued by NWS Rapid City, SD
Issued by NWS Rapid City, SD
105 FNUS73 KUNR 251503 FWSUNR Spot Forecast for Grand Canyon...USFS National Weather Service Rapid City SD 903 AM MDT Tue Mar 25 2025 Forecast is based on ignition time of 1100 MDT on March 25. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION...Scattered rain showers will continue through this afternoon, a few snowflakes may mix in with the rain (20-40% chance). Chances for showers will taper off through the late evening with weather and skies clearing out by late tonight. Excellent humidity recovery overnight. Warmer tomorrow with clear skies and light southwest winds, shifting to the west in the afternoon. .REST OF TODAY... Sky/weather.........Mostly cloudy (75-85 percent). Chance of rain showers and snow showers. Max temperature.....Around 41. Min humidity........73 percent. Wind (20 ft)........Northwest winds around 5 to 10 mph with gusts to around 15 mph. CWR.................35 percent. Mixing height.......3000 to 3500 ft agl. Transport winds.....Northwest around 25 mph. Smoke dispersal.....Good. .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent). Slight chance of rain showers in the evening. Min temperature.....Around 34. Max humidity........89 percent. Wind (20 ft)........Southwest winds 5 to 10 mph with gusts to around 15 mph. CWR.................0 percent. Mixing height.......200 to 700 ft agl. Transport winds.....Southwest 10 to 15 mph. Smoke dispersal.....Poor. .WEDNESDAY... Sky/weather.........Sunny (20-30 percent). Max temperature.....Around 56. Min humidity........37 percent. Wind (20 ft)........Southwest winds 5 to 10 mph shifting to the west in the afternoon. Gusts up to 14 mph. CWR.................0 percent. Mixing height.......4800 to 5300 ft agl. Transport winds.....Southwest around 15 mph shifting to the west in the afternoon. Smoke dispersal.....Fair. $$ Forecaster...EW Requested by...Chad Porsch Type of request...PRESCRIBED .TAG 2507611.1/UNR .DELDT 03/25/25 .FormatterVersion 2.0.0 .EMAIL chad.porsch@usda.gov