There’s a slight chance of an isolated shower or two Saturday at Auto Club Speedway in Fontana, Calif. A weak storm system comes in off the Pacific and could spark a shower or two, cooler temperatures in the 60s and occasional gusty winds Saturday afternoon. Winds could gust 20 to 25 mph later in the afternoon. I expect most of the day to be dry, and the odds of racing the Xfinity Service King 300 are around 80 to 90 percent.
Fontana NASCAR weather: Slight chance of rain Saturday
Weak system coming in off the Pacific could spark a few showers in California on Saturday.
Sunday will be beautiful for the Monster Energy Cup Auto Club 400. There are no rain chances, with mostly sunny skies and temperatures into the upper 60s and low 70s predicted. Winds will be out of the southwest between 5 and 10 mph. It will be another nice race day for NASCAR.
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All times ET
SATURDAY:
11:30 a.m. — Cup series practice
Forecast: Partly sunny - slight chance of a shower
Winds: SW 5-10 mph
Temperature: 54
12:30 p.m. — Xfinity series qualifying
Forecast: Partly sunny - slight chance of a shower
Winds: SW 5-10 mph
Temperature: 58
2:30 p.m. — Cup series final practice
Forecast: Partly sunny - slight chance of a shower
Winds: SW 5-10 mph
Temperature: 61
4 p.m. — Xfinity race - Service King 300
Forecast: Partly cloudy - breezy - slight chance of a shower
Winds: SW 10-15 gusts 20-25 mph
Temperature: 64
SUNDAY
2:30 p.m. — Auto Club 400 pre-race
Forecast: Mostly sunny
Winds: SW 5-10 mph
Temperature: 67
3:30 p.m. — Auto Club 400
Forecast: Mostly sunny
Winds: SW 5-10 mph
Temperature: 70
4:30 p.m. — Auto Club 400
Forecast: Mostly sunny
Winds: SW 5-10 mph
Temperature: 72
5:30 p.m. — Auto Club 400
Forecast: Mostly sunny
Winds: SW 5-10 mph
Temperature: 72
6:30 p.m. — Auto Club 400
Forecast: Mostly sunny
Winds: SW 5-10 mph
Temperature: 72
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