The Tri-Cities could see highs drop into the 50s starting this weekend, according to the National Weather Service.
High daytime temperatures are expected to be around 70 today and Friday. But windy weather is predicted Friday, bringing in cooler temperatures.
A high of about 59 is forecast Saturday, falling to 55 Sunday. Highs should be in the mid 50s Monday and Tuesday.
Lows also will drop into the 30s, but freezing temperatures are not expected through at least Tuesday.