 Use your KTGO three-day forecast from weatherology.com. Overcast today with a chance of thunderstorms. High temperatures reach up to 76. Southwesterly winds 8 to 15 miles per hour. Slight chance for storms. Tonight, lows around 54. Partly cloudy. Sunshine mixed with clouds at times. Tomorrow, thunderstorms likely. Daytime highs approaching 71. From the Flag Weather Center, I'm meteorologist Laura Lockwood. Right now, it's 61 degrees.