WA Spokane WA Zone Forecast March 12, 2021 FacebookTwitterEmail _____ National Weather Service Spokane WA 929 PM PST Fri Mar 12 2021 WAZ031-131200- 929 PM PST Fri Mar 12 2021 .REST OF TONIGHT...Clear. Lows in the upper 20s to lower 30s. .SATURDAY...Sunny. Highs in the upper 40s to mid 50s. .SATURDAY NIGHT...Mostly clear. Lows in the lower to mid 30s. South wind 5 to 15 mph overnight. .SUNDAY...Mostly sunny. Highs in the mid to upper 50s. South wind 5 to 15 mph. snow. Lows in the lower to mid 30s. Southwest wind 5 to 15 mph. Chance of precipitation 30 percent. .MONDAY...Colder. Mostly cloudy with a 20 percent chance of rain