Fri Feb 21 05:57:25 PM EST 2025 Lower Columbia Basin of Washington- Including the cities of Connell, Prosser, and Tri-Cities 255 PM PST Fri Feb 21 2025 .TONIGHT...Cloudy. A chance of rain. Lows in the lower to mid 30s. North wind 5 to 10 mph shifting to the southeast overnight. Chance of precipitation 40 percent. Rainfall amounts less than a tenth of an inch. .SATURDAY...Mostly cloudy. A 50 percent chance of rain in the morning. Highs in the 50s. South wind 5 to 15 mph. Rainfall amounts less than a tenth of an inch. .SATURDAY NIGHT...Rain likely. Lows in the lower to mid 40s. Breezy. South wind 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 70 percent. Rainfall amounts less than a quarter of an inch. .SUNDAY...Rain likely. Highs in the upper 50s to lower 60s. Breezy. South wind 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 70 percent. .SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the lower to mid 40s. Windy. Southwest wind 15 to 25 mph with gusts to around 40 mph. .MONDAY AND MONDAY NIGHT...Mostly cloudy. A 50 percent chance of rain. Highs in the mid to upper 50s. Lows in the lower to mid 40s. .TUESDAY...Windy. Mostly sunny with a 20 percent chance of rain. Highs in the 50s. .TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows in the 30s. Highs in the 50s.