Bundle up, Bears fans. Sunday’s playoff game against the Los Angeles Rams will be a cold one, with temperatures dropping into the mid-teens.

Fans can expect temperatures around 18 to 20 degrees at the start of the game, said Zachary Yack, a meteorologist for the National Weather Service. Toward the end of the game, temperatures will drop to around 15 degrees.

Those driving to the game should add in some extra travel time, Yack said, as snow is expected later this afternoon and into the evening. According to Yack, accumulation will likely range between a half an inch to an inch in most places, but areas near the Wisconsin border may get up to two inches of snow.

Yack recommends fans in the stadium bundle up tonight.

“You’re trying to limit as much exposed skin as possible, so scarves, hats, gloves and definitely a warm jacket,” Yack said. “Maybe even wear multiple layers if you can.”

The Bears also recommend dressing warm for the game. The team issued an advisory with ways to stay warm, like bringing blankets to Soldier Field.

Warming stations will be located behind Section 146, on the Service Level near Dr Pepper Patio, at the top of the stairs by Gate 31 and on the south side of the colonnades.

Hot chocolate, coffee, chili and handwarmers will be available for purchase, according to the advisory. The Bears also reminded fans that dehydration is still possible in cold weather, so be sure to drink water.

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The worst of the weather will hit just after the game, Yack said. Temperatures will plummet into the single digits, with 3 to 4 degree overnight lows downtown. After midnight, wind gusts will peak at 30 to 40 miles per hour, Yack said.

Wind chills of minus 15 to minus 20 degrees will start off Monday morning, Yack said. The National Weather Service forecast shows a high of 7 degrees during the day Monday, and the agency issued a cold weather advisory from 3 a.m. to 10 a.m.

The rest of the week will also see cold temperatures, according to the forecast, although not as frigid as Monday. Highs on Tuesday and Thursday will be in the low 20s, and Wednesday has a high of 30 degrees. Friday will bring a high of 29 degrees before cooling again on Saturday to a high of 18 degrees.

Chicago may experience snowfall starting late Tuesday night into Wednesday, and then again on Friday and Saturday, according to the forecast.