Sacramento recorded its first 100-degree day of the year on Friday, reaching 105 degrees. More triple-digit temperatures are expected for the Fourth of July holiday weekend. Here’s what our weather team needs to know about the heat wave. The KCRA 3 Weather Team is calling Saturday and Sunday impact days, with temperatures expected to reach 105 degrees or higher in some locations. Saturday’s high is expected to be 108. Tahoe temps will be in the 80s this weekend with highs near 100 degrees in the foothills. The Sacramento area has Save the Air Day through Saturday because the air quality index is forecast to be unhealthy for sensitive groups. | Also | Northern California Heat Wave Guide: Pools, water parks and cooling centers available to beat the heat Meteorologist Tamara Berg recommends taking the time to clean air conditioning filters to get more efficiency from the unit as temperatures rise and AC usage increases. Here are more tips to maximize your AC this summer. Delta winds should arrive Sunday night, which will help cool the heat through Monday, with highs in the 90s and 100 degrees. Fourth of July sun and highs in the mid-90s. A bit more chilly for the rest of the week.| Video below Here are the best times to avoid peak travel for the Fourth of July weekend. Download our app for the latest weather alerts. Track the interactive, Doppler radar (App users, click here to view our interactive radar. )Real-time traffic map (App users, click here to view our real-time traffic map.)Follow our KCRA Weather Team on social media on Facebook and Twitter Facebook Meteorologist/Weather Correspondent Heather Waldman Watch our forecasts on TV or online, where you can find our latest video forecast. You can also watch live coverage of our latest news broadcast here. The banner on our website will turn red when we are live. We also stream on the Very Local app for Roku, Apple TV or Amazon Fire TV.