The heat wave battering Northern California has broken the all-time temperature record in Sacramento.By 5:18 p.m., temperatures hit 116 degrees in downtown Sacramento. That beats the 114 record that was previously set on July 17, 1925, according to the National Weather Service.California is at a high risk of rolling outages on Tuesday, the state’s grid operator said, citing an extremely strained power grid from people increasing energy use. Meteorologist Tamara Berg said that Tuesday is the peak of the heat wave event as the area of high pressure continues expanding west. Tuesday is a KCRA 3 Weather Alert Day and Wednesday through Friday will be Weather Impact days, which means you should take steps to keep yourself safe from the weather. In this case, it’s heat that could be threatening to sensitive groups.Make use of the cooler morning hours for any strenuous activities and try to limit your outdoor exposure between 3 p.m. to 6 p.m. Find the full forecast here: KCRA 3’s weather team says that it likely won’t be until Saturday or Sunday that we see temperatures noticeably drop. See more in the video below. | VIDEO BELOW | What to know about heat-related illnessesIncreased Fire RiskThe hot weather will dry fuels, meaning fires can start quickly and spread faster.If you are going to be camping this weekend, be very careful with any campfires and do not leave them unattended.Be aware of your surroundings and be ready to move if you see or smell smoke.Fire officials across the region are worried that the high heat, paired with the dry conditions, will spread fires easier. Sacramento Metro Fire Captain Parker Wilbourn said that it is especially concerning with many people expected to grill outside, including in the wildland areas, during the holiday weekend.”With the conditions being so hot, we are on edge,” Wilbourn said. “Sometimes it just takes that small spark, whether it be from a barbecue or a chain hitting the ground from a trailer or any open flame at a campsite, a small spark can create a very large wildfire that threatens our communities and threatens our homes.”Read more here.KCRA’s Fire Threat IndexKCRA 3’s weather team has developed a tool the team will be using to keep you informed as fire conditions change. It’s called the Fire Threat Index. This will give you an idea of the fire risk on any given day in different areas of our coverage region so you can plan ahead.Toggle below to see the Fire Threat Index for different parts of Northern California over the next few days: Fire Threat Index: ValleyFire Threat Index: Sierra Fire Threat Index: FoothillsFire Threat Index: Coastal Hills The Fire Index will stay in the High category until cooler weather arrives next week.| Weather Resources | Important numbers for outages, more Here’s how to find NorCal cooling centersCooling centers across Northern California are open to allow some residents to get a break from the forecasted week of triple-digit heat.| Read More | Here are the cooling centers opening Thursday amid forecast triple digits in NorCalFlex Alert extended: California residents urged to ease power usageCalifornia’s grid operator is asking people to conserve power for the seventh day in a row as it extended its Flex Alert into Tuesday. Residents are urged to conserve electricity from 4 p.m. until 9 p.m. Cal ISO also on Monday issued an Energy Emergency Alert Watch on Tuesday from 5 p.m. to 9 p.m. With an EEA Watch, energy deficiencies are expected and the grid manager will seek to get additional energy from other sources to help avoid the risk of a rolling blackout.The Sacramento Municipal Utility District, or SMUD, is also asking customers to conserve electricity from 4 p.m. to 6 p.m. Officials say that if people don’t dramatically ramp up conservation efforts, the state may be forced to turn to rotating outages. This week, Gov. Gavin Newsom signed an executive order meant to ramp up the state’s energy supply temporarily.| MORE | Flex…