NASCAR weather forecast at Phoenix 2012: How big are the rain chances Friday?

Strong upper level low will slide through the state of Arizona bringing a chance of showers this afternoon to Phoenix International Raceway and much colder temperatures for both Saturday and Sunday.

Skies will remain mostly cloudy through Friday afternoon and it is possible we see a scattered shower for Sprint Cup qualifying as well as the Camping World Truck Series race Friday night. Friday afternoon temperatures will be in the mid 70s.

Saturday and Sunday will be much cooler. High temperatures will be in the low 60s during the day and there is just a slight chance of an isolated shower or sprinkle during the day Saturday. By Sunday, the forecast for the Sprint Cup Series race will be sunny and cool with high temperatures in the low 60s.

FRIDAY:
2:00 p.m ET
Sprint Cup Series practice – Mostly cloudy, breezy chance of a shower – temp: 72
3:35 p.m ET
Nationwide Series Final practice – Mostly cloudy, breezy chance of a shower – temp: 74
4:35 p.m ET
Camping World Truck Series qualifying – Mostly cloudy, breezy chance of a shower – temp: 75
6:10 p.m ET
Sprint Cup Series practice qualifying – Mostly cloudy, breezy chance of a shower – temp: 75
8:00 p.m ET
Camping World Truck Series race – Mostly cloudy, breezy chance of a shower – temp: 67
SATURDAY:
12:35 p.m ET
Nationwide Qualifying – Partly sunny – temp: 58
2:35 p.m ET
Sprint Cup Series Final practice – Partly sunny – temp: 62
4:00 p.m ET
Nationwide Series race – Partly Sunny – temp: 63
SUNDAY:
1 p.m ET
Sprint Cup Race – Mostly sunny and cool – temp: 56
2 p.m ET
Sprint Cup Race – Mostly sunny and cool – temp: 58
3 p.m ET
Sprint Cup Race – Mostly sunny and cool – temp: 60
4 p.m ET
Sprint Cup Race – Mostly sunny and cool – temp: 61
5 p.m ET
Sprint Cup Race – Mostly sunny and cool – temp: 62
6 p.m ET
Sprint Cup Race – Mostly sunny and cool – temp: 63