With the Brazilian Grand Prix being the last Sprint Race weekend of the year, qualifying will be held on Friday rather than Saturday.
The chance of rain at the start of the session has increased to 80% of the last few hours, with it expected to affect running.
An hour later this will decrease to 40%, but the chances of rain is still high.
Rain is also expected to affect the rest of the weekend on Saturday and Sunday.
Video: How do F1 sprint races work?
It will be the third and final Formula 1 sprint race of the season in Brazil. We've put together a handy refresher to explain how the weekend differs slightly from the usual format.