The 2025 Ambetter Health 400 is officially back. Fans are in for a high-octane second stock-car racing weekend of the 2025 NASCAR Cup Series season at the Atlanta Motor Speedway on Sunday (February 23). The 1.54-mile D-shaped oval racetrack will mark the 67th annual Ambetter Health 400.A total of 39 Cup Series cars will be seen in action for the qualifying before Sunday afternoon. The main event will compete over 260 laps in Hampton, divided into three stages, adding up to 400 miles.Weather forecast for the 2025 Ambetter Health 400Here’s the weather forecast for the NASCAR’s all-three national series at Atlanta Motor Speedway:Friday, February 21, 2025NASCAR Xfinity Series and Truck Series Qualifying: High 45°F, Low 26°F, Mostly Sunny, and a 10% chance of rainSaturday, February 22, 2025NASCAR Cup Series qualifying: High 50°F, Low 31°F, Overcast w/ An Isolated Shower Possible, SE 5 mph, and a 50% chance of rainFr8 208: High 50°F, Low 31°F, Overcast w/ An Isolated Shower Possible, SE 5 mph, and a 50% chance of rainBennett Transportation and Logistics 250: High 50°F, Low 31°F, Overcast w/ an Isolated Shower Possible, SE 5 mph, and a 50% chance of rainSunday, February 23, 2025Ambetter Health 400: High 42°F, Low 36°, Overcast w/ Showers & An Isolated T-Storm, and 60% chance of rainFull entry list for NASCAR's 2025 Ambetter Health 400The 2025 iteration of the Ambetter Health 400 is set to see a total of 39 Cup cars lined up on the grid, which are as follows:#01 - Corey LaJoie#1 - Ross Chastain#2 - Austin Cindrc#3 - Austin Dillon#4 - Noah Gragson#5 - Kyle Larson#6 - Brad Keselowski#7 - Justin Haley#8 - Kyle Busch#9 - Chase Elliott#10 - Ty Dillon#11 - Denny Hamlin#12 - Ryan Blaney#16 - AJ Allmendinger#17 - Chris Buescher#19 - Chase Briscoe#20 - Christopher Bell#21 - Josh Berry#22 - Joey Logano#23 - Bubba Wallace#24 - William Byron#34 - Todd Gilliland#35 - Riley Herbst#38 - Zane Smith#41 - Cole Custer#42 - John Hunter Nemechek#43 - Erik Jones#44 - JJ Yeley#45 - Tyler Reddick#47 - Ricky Stenhouse, Jr.#48 - Alex Bowman#51 - Cody Ware#54 - Ty Gibbs#60 - Ryan Preece#71 - Michael McDowell#77 - Carson Hocevar#78 - BJ McLeod#88 - Shane Van Gisbergen#99 - Daniel SuarezCatch the action-packed NASCAR weekend live at the Atlanta Motor Speedway on Sunday, February 23, 2025, at 3 pm ET on FOX and MRN.