September 20, 2020
  • 4:54 pm Bristol Motor Speedway, Sept. 2020
  • 5:21 am Richmond & Tuscan GP, Sept. 2020
  • 2:32 am Darlington & Monza, Sept 2020
  • 4:07 am Daytona, Gateway & Spa-Francorchamps, August 2020
  • 6:48 pm Dover Int’l Speedway, August 2020

Updates & info on TS Beta is available at Facebook.com/RaceWeather.net – It should be configured so that you do not even need a FB account to see it.

Sept 19 update Cup Green flag scheduled for 7:45 PM EDT

NASCAR at Bristol (Sept 17 – 19)


For today, a ridge of high pressure is bringing drier conditions, along with slowly clearing skies, and cooler temperatures. (And at this point, this is a verification of the WCS long-range outlook from the past several weeks.)

Sat Sept 19 – Cup Series, Bass Pro Shops NRA Night Race, 7:30 PM, NBCSN, Partly cloudy, Hi: 72

This week is Episode 200 of the Lapped Traffic podcast. Brandon with have a cacophony of guests, along with show regulars, including Brian Neudorff and myself. Be sure to tune in!

If you are a fan of the race week forecasts & in-race updates, please support thru Patreon for as little as $2/mo.

Extended Outlook

Using the World Climate Service (WCS) subseasonal forecast products, RaceWeather is now producing extended outlooks for both NASCAR and F1 weekends.

Learn more about the World Climate Service – Leaders in long-range forecasting on a seasonal & subseasonal scale – at worldclimateservice.com/

NASCAR at Las Vegas (Sept 25-27)

At this time, there is a moderate to strong signal for above normal temperatures. There is no signal currently for precipitation. We are normally seeing this as part of the monsoon season, but this has a weaker year for this pattern.

NASCAR at Talladega (Oct 3-4)

At this time, there are weak signals for below normal temperatures & above normal rainfall.


F1 at Sochi Autodrom (Sept 25-27)

At this time, there is a moderate to strong signal for below normal temperatures. There is no signal currently for precipitation.

F1 at Nürburgring (Oct 9-11)

At this time, there are no signals for any departures from normal temperatures or precipitation.

Aaron Studwell

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