 Use your KTGO three-day forecast from weatherology.com. Partly cloudy overnight with a low of 53. Northwest early winds, 5 to 10 miles per hour. Chance of thunderstorms, Friday, highs around 72, mainly cloudy. Lows around 53, Friday night, chance of thunderstorms. 72, Saturday, with a chance of thunderstorms. 75, Sunday, storms continue. From the Flag Weather Center, I'm meteorologist Laura Lockwood. Currently, it's 54 degrees.