 forecast for the Twin Cities. Partly cloudy skies tonight. Lows in the upper 50s. Mostly sunny Thursday. Highs in the upper 70s. Thursday night, mostly cloudy. Showers and a chance of thunderstorms after midnight. Lows in the mid 60s. Rain and a chance of thunderstorms Friday. Highs in the mid 70s. Mostly cloudy Friday night. Chance of showers and thunderstorms. Lows in the low 60s. Saturday, mostly sunny. Highs in the low 70s. Sunday, mostly sunny. Highs in the low 70s.