RTMA Temperatures. (As Of 4 PM MDT Friday, April 16,2021). RTMA Apaarent Temperatures. (As Of 4 PM MDT Friday, April 16,2021). Surface Map Analysis. ( At Noon MDT Friday, April 16,2021 ). Surface Map Forecast. (Valid At 6 PM MDT Saturday, April 17, 2021). GFS 500 MB (18,000') Analysis. Looking at the mid-level upper air pattern at noon today (Friday) we find an elongated trough of low pressure draped from southwest of California eastward to well east of the Eastern U.S. seaboard. A weak low was centered over northwestern Kansas. GFS 500 MB (18,000") Forecast. (Valid At 6 PM MDT Sunday, April 18, 2021). A weak mid-level low is forecast to form on the western edge of this mid-level trough of low pressure by Sunday afternoon and evening. This weak storm will help produce mountain snows and lowland rains over New Mexico this weekend. Cold For Mid-April. Low clouds, dense fog, with pockets of light drizzle and mist have blanketed the local area (east of the mountains) for the past...