Wed Mar 12 05:57:36 PM EDT 2025 Lower Columbia Basin of Washington- Including the cities of Connell, Prosser, and Tri-Cities 255 PM PDT Wed Mar 12 2025 .TONIGHT...Rain showers and a chance of thunderstorms in the evening, then a chance of rain showers overnight. Lows in the upper 30s to lower 40s. South wind 5 to 15 mph. Gusts up to 30 mph overnight. Chance of precipitation near 100 percent. Rainfall amounts around a tenth of an inch, except higher amounts possible in thunderstorms. .THURSDAY...Mostly sunny. A chance of rain showers. Highs in the lower to mid 50s. Windy. Southwest wind 20 to 30 mph with gusts to around 40 mph. Chance of precipitation 50 percent. Rainfall amounts less than a tenth of an inch. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 20s to lower 30s. Windy. Southwest wind 15 to 25 mph. Gusts up to 35 mph decreasing to 25 mph overnight. .FRIDAY...Partly sunny with a 20 percent chance of rain. Highs in the lower to mid 50s. South wind 5 to 10 mph. .FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid to upper 30s. South wind 5 to 15 mph. .SATURDAY...Windy. Partly sunny with a 50 percent chance of rain. Highs in the lower to mid 50s. .SATURDAY NIGHT AND SUNDAY...Breezy. Rain likely. Lows in the upper 30s to lower 40s. Highs in the lower to mid 50s. Chance of precipitation 70 percent. .SUNDAY NIGHT AND MONDAY...Mostly cloudy. A 50 percent chance of rain. Lows in the mid to upper 30s. Highs in the lower to mid 50s. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the lower to mid 30s. .TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs in the 50s. Lows in the lower to mid 30s. .WEDNESDAY...Partly sunny. Highs in the lower to mid 50s.