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Latest Diamondbacks-Cardinals delay update, including whether today’s game is delayed and when first pitch is expected.

The Arizona Diamondbacks-St. Louis Cardinals game is in a weather delay today as fans wait for the latest update on first pitch and when play is expected to begin. The delay was reported by the Underdog MLB social media account.

With weather and field conditions capable of shifting the schedule quickly, here is the latest on the delay status, projected start time and what fans should know before first pitch, originally scheduled for 6:45 p.m. local time.

The Cardinals confirmed the delay on their own social media at 6:10 p.m. CDT.

“Due to inclement weather in the St. Louis area, the start of tonight’s game has been delayed,” the team wrote. “We will provide more information as it becomes available.”

Meteorologist Kevin Roth posted that with three rounds of storms on the way, the game faced a danger of postponement.

“Round 1 causes a late start in STL. Round 2 could extend that late start, or if they manage to play, cause a delay,” Roth wrote. “Round 3 could end the game (late, but if there are delays…).”

Roth acknowledged that he had shared what he called “better news” roughly an hour earlier, but the radar changed the calculation. He did not like what he was seeing, and he raised the threat level accordingly, noting the additional pressure created by this being the final game of the series between the Arizona Diamondbacks and St. Louis Cardinals.

Earlier in the afternoon, Roth posted that the teams were “not fully risk free in STL” even as the latest model trends looked more favorable than the morning outlook had suggested. A Diamondbacks beat reporter separately flagged on X the possibility of a full rainout, pointing to very heavy rain expected in the hour surrounding first pitch as the primary concern.

Arizona Diamondbacks-Cardinals Delay Status and First Pitch Update

First pitch is scheduled for 6:45 p.m. CT (7:45 p.m. ET) at Busch Stadium in St. Louis, according to MLB.com. As of late Thursday afternoon CDT, no official postponement had been announced by the Cardinals, the Diamondbacks, or MLB, though Roth’s Orange designation reflects a threat level that makes a delay the more likely outcome than an on-time start.

AccuWeather’s gametime forecast logged at ESPN showed 82 degrees at Busch Stadium. That surface temperature reading does little to tell the full story when incoming storm cells are the primary concern. Fans holding tickets should monitor official club and MLB announcements closely in the final hours before game time, given how quickly the forecast outlook shifted throughout the day.

Arizona enters the series finale having taken two of three games in St. Louis — a 4-3 road win June 23 and a 9-4 blowout June 24, with the only Cardinals win coming in the June 22 opener, 3-2. The Diamondbacks are 41-39 on the season, third in the NL West and 10.5 games behind the Los Angeles Dodgers, according to ESPN.

What the Cardinals-Diamondbacks Series Finale Means in the Standings

The St. Louis Cardinals enter Thursday having dropped back-to-back games to fall to 42-36, tied for second in the NL Central alongside the Chicago Cubs, both clubs sitting seven games behind the Milwaukee Brewers (49-29). Dropping a home series to Arizona would be a difficult result; a win in the finale at least salvages the series and prevents a three-game sweep on their own field.

The pitching matchup favors St. Louis on the numbers. Michael McGreevy carries a 3.35 ERA and 1.15 WHIP through 83.1 innings, a clear statistical edge over Arizona’s Zac Gallen, who holds a 6.10 ERA and 1.63 WHIP across 79.2 innings — a rough stretch for one of the Diamondbacks’ established rotation pieces, according to ESPN.

For Arizona, a series-finale victory would complete a road series win against a divisional contender in the thick of its own playoff race. The Diamondbacks are operating on the margins of the National League wild-card picture and need momentum heading into the second half. Whether Thursday’s game is played on schedule depends on what develops over Busch Stadium in the coming hours.