On Sunday, the tropical moisture shifts north, with the potential to disrupt travel and NFL games from Miami to New York.

Rain bands from Isaias' remnants will impact tailgates across Southeast to the Northeast with lingering impacts like power outages and downed trees possible around the region.

(MORE: Inland threats from Isaias)

Elsewhere, the West sees rain and cool relief while the Midwest remains warm. Here's the latest.

(WEATHER LABS: Football tailgate forecasts)

Sunday

After a soggy Saturday, heavy rain and strong winds continue Sunday as the tropical rain lingers over the Southeast and shifts north, threatening NFL tailgates along the way.

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Heavy rain from Tropical Storm Rachel will makes its way to Los Angeles and Phoenix.

(MORE: Latest on Tropical Storm Rachel)

Tailgaters should have rain gear ready and be prepared to adjust at these games:

• Bengals at Dolphins (Miami)
• Texans at Titans (Nashville)
• Giants at Commanders (Washington, D.C.)
• Colts at Steelers (Pittsburgh)
• Browns at Jets (New York City)
• Raiders at Patriots (Boston)
• Broncos at Chargers (Los Angeles)
• Lions at Cardinals (Phoenix)

(MORE: The top 10 weather games In NFL history)

Cool relief is on the way for some, but relentless heat grips other parts of the country.

Miami will see temperatures climb into the upper 90s, while Texas and the Plains remain under intense heat. The Phoenix region is also seeing hot conditions, even with rain in the forecast.

Meanwhile, the 49ers face the Seahawks in crisp, sunny conditions, getting a taste of sweater weather at those tailgates.

(MORE: The ultimate tailgate playbook for every football forecast)

Tailgate safety: know your forecast, stay aware

Whether you're facing heat or storms this weekend, staying aware of changing conditions — and having a plan to adjust — is the best way to stay safe at your tailgate:

• Check the forecast for your specific tailgate location and arrival time, not just the daily high, since conditions can shift significantly between morning setup and kickoff
• Heat safety: Stay hydrated, seek shade whenever possible, take breaks in air conditioning if available, and know the signs of heat exhaustion — dizziness, heavy sweating, and nausea
• Storm safety: Monitor local radar in the hours before and during your tailgate, since storm timing can shift quickly
• Cold safety: Add a wind-resistant outer layer to your gameday fit.
• Lightning safety: If thunder roars, go indoors — a hard-topped vehicle counts if no building is nearby. Wait at least 30 minutes after the last thunderclap before heading back outside
• Secure your setup: Tents, canopies, grills and loose gear should be tied down or ready to pack up quickly if storms move in

Faiza Mohammed is a meteorologist intern at weather.com. She studied geography and worked with the Weather Dawgs team at the University of Georgia. She also received her master's in Earth and Atmospheric Sciences from the Georgia Institute of Technology.