Indy 500 weather updates: Will rain in forecast delay the 2026 race in Indianapolis?

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Indy 500 weather updates: Will rain in forecast delay the 2026 race in Indianapolis? originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here.

While the Indy 500 finally arrives on Sunday, weather could factor into the plans at Indianapolis Motor Speedway.

Forecasts have shown the potential for some rain in recent days. Over the years, bad weather has resulted in interrupted or postponed races at "The Greatest Spectacle in Racing."

With rain possible on Sunday afternoon in Indianapolis, Mother Nature could have an impact on the 2026 results as well.

Here's the latest on the weather at the 2026 Indy 500.

MORE:Live results, updates from the Indy 500

Indy 500 weather updates​

(All times Eastern)

Sunday, May 24​

11:37 a.m. — For now, the storms in Indiana are staying out of the way. With the race approaching, rain is expected at some point in the day in Indianapolis, but it's mostly a matter of when. On-and-off light rain seems to be a strong possibility.

The latest from Accuweather is around a 66% chance of light rainfall over the next three hours, then an additional 69% chance of a thunderstorm around 4 p.m. But there could be enough dry spots in the afternoon to get the race in, especially with lighter rain.

INDY 500: Alright, here we go. A few light, spotty showers are possible for the first part of the day today. We could see some dry windows long enough to run the Indianapolis 500. More showers will develop later this afternoon between 3 and 4 pm. None of the thunderstorms are… pic.twitter.com/zJ7sSroq8k

— Ryan Morse (@RyanMorseWx) May 24, 2026

#indy500 update - we cont to keep showers south of that line and it needs to hold. IF we get no pop-ups & rain stays south then we wait on the front to the west. Staying cautiously optimistic and cheering on lap 101. @ims cc @Indycar_Wxman@raceweatherpic.twitter.com/9C4m0LLMXE

— Brian Neudorff (@NASCAR_WXMAN) May 24, 2026

Expecting two rounds of rain today at #Indy500:

Round 1 from ~11 am to ~2 pm, mainly light rain.
Round 2 starting ~ 5 pm, heavier showers with lightning possible.

There could be a ~3 hour gap between rounds, but will it be enough time for track drying? pic.twitter.com/GB0Uifzmks

— Racecast Weather (@RacecastWx) May 24, 2026

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Indy 500 weather forecast​

National Weather Service

• Chance of rain (Sunday): 60 percent
• Chance of rain (Sunday night): 30 percent

Sunday's forecast as of May 24 (11:44 a.m. ET): "A slight chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 74. West southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms."

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