FOX Weather Kickoff: Week 4 FOX NFL picks based on weather forecasts has a record of 6-1 so far this season. season record: 6-1

About a quarter of the way through the NFL regular season, the contenders are starting to distance themselves from the pretenders. 

Thanks to SportsWeather, on Fridays throughout the season, we'll be picking FOX NFL games solely based on how they have historically performed in certain weather conditions. 

SportsWeather has its own metrics system that compiles historical game-time weather data and meshes it against both NFL teams and player historical performance.

SportsWeather doesn’t compile data for games that are played in domes and all data is from the last 14 seasons. 

RELATED: Picking Week 3 FOX NFL games based on weather forecasts

GAME 1: Detroit Lions at Chicago Bears - 1 p.m. EST, FOX

Chicago will feel nice on Sunday, but there is a slight chance of some precipitation. It's forecast to feel like 73 degrees in Chicago at game time. At that temperature, the Bears hold a record of 34-37, while the Lions are 17-30. Then there's a 20% chance of precipitation where the Bears are 7-5 and the Lions stand at a not-so-great 1-9. Winds are expected to be at 8 mph with the Bears holding a mediocre 47-53 record and the Lions being below average, at 19-36. 

PICK: gives the winning edge to the Bears.

GAME 2: Seattle Seahawks at San Fransicso 49ers - 4:05 p.m. EST, FOX 

It's going to be a near-perfect day, weather-wise, in San Fransico for this NFC West matchup on Sunday. It's going to feel like 86 degrees (Seahawks: 7-5; 49ers: 1-4), winds are expected to be at 6 mph (Seahawks: 86-62; 49ers: 63-52) with a 0% chance of precipitation (Seahawks: 91-64; 49ers: 70-66-1).

PICK: In this highly anticipated matchup, gives a slight edge to the Seahawks. 

Enjoy Week 4 and be sure to stay with us as we continue to predict FOX NFL games throughout the season.