 Use your KTGO three-day forecast from weatherology.com. Sunshine mixed with clouds at times this afternoon, with daytime highs approaching 91. South winds 10 to 15 miles per hour. Heartly cloudy skies tonight. Chance of thunderstorms slows down to about 63. Ample sunshine expected tomorrow. Slight chance for storms. Highs level off around 91. From the Flag Weather Center, I'm meteorologist Laura Lockwood. Currently, it's 77 degrees.