551 PM MDT Sat May 22 2021 Southwest San Juan Mountains-San Juan River Basin- 551 PM MDT Sat May 22 2021 .NOW... At 547 PM MDT, Doppler radar indicated showers and isolated thunderstorms moving quickly north across Archuleta and southern Lake Counties at 45 mph. Winds coming out of these weaker cells and showers will be capable of producing wind gusts of 45 to 55 mph through the mid evening hours.