 This weather forecast is brought to you by Western Water Wells, the company the tri-counties count on for water wells. Call 406-868-1492. Partly cloudy tonight, the low 46. Saturday, partly to mostly sunny and a high 81. Saturday night, partly cloudy, 57. And Sunday, partly sunny with a chance for scattered afternoon showers and thunderstorms, the high 83. This is Montana radio meteorologist Wayne Mehar.