FGUS86 KPDT 211658 RVSPDT WAC037-077-221500- Hydrologic Statement National Weather Service Pendleton OR 958 AM PDT Sat Mar 21 2026 Fld Observed Forecasts (11 am PDT) Location Stg Stg Day/Time Sun Mon Tue Naches River Cliffdell 31.0 30.5 Sat 9 am PDT 29.8 29.5 29.4 Yakima River Umtanum 35.5 35.2 Sat 9 am PDT 34.4 33.7 33.4 Additional information is available at www.weather.gov/pdt. $$