Le Mistral started at the end of the 1997–98 college and university year with a group of players limited experience at the elite Senior AAA level. Le Mistral enter to the NWHL but the team has a difficult first season: In 34 games 9 wins and 21 defeats. For the playoffs, Laval Le mistral was elimined in Eastern first round: April 10, 1999– Bonaventure Wingstar 4 at Laval Le Mistral 2 and April 11, 1999– Laval Le Mistral 3 at Bonaventure Wingstar 8. The Bonaventure Wingstar wins 2 games and pass to Eastern Division Finals
Laval Le Mistral's Annie Desrosiers was second leader in the league in goals with 29. Her 45 points ranked eleventh in the league. She was an assistant captain despite being a 20-year-old. For the 2000–01 season, the team captain was 21 year-old Anik Bouchard. Two members of the Japanese National Team competed for Le Mistral: Masako Sato was second leader in Laval Le Mistral for scoring and her sister the defender Rie Sato . During the season, Le Mistral allowed an average of five goals per game, second last in the NWHL. Goaltender Marieve Dyotte was 5–10–1 with a 6.44 goals against average, while Vania Goeury was 2–14–3 with 4.08 GAA. During the season, Laval received 605 penalty minutes. The result was allowing 44 goals in 35 games. Anik Bouchard had 91 minutes, Isabelle Chartrand (88 minutes) and Valerie Levesque had 60 minutes.