LA GRANDE â The National Weather Service in Pendleton is forecasting more snow through Tuesday, Feb. 16, as another winter storm moves through the region. âSo weâre going on the third storm,â said meteorologist Jim Smith, speaking Sunday from the agencyâs office in Pendleton. The NWS issued a winter storm warning that is in effect until Tuesday at 4 p.m. Temperatures Monday look to crest in the upper 30s, Smith said, and Tuesdayâs highs are likely to be in the mid 30s. While temperatures rise for the next couple of days, there also will be more snow. âWeâre expecting snow to continue on through tonight, tomorrow and right on through Tuesday,â he said.