Kaitlyn Mason scored a career-high for the second straight game in leading Zimmerman past North Branch 61-55 on Saturday at North Branch.
The senior forward sank 24 points as the Thunder won their fourth straight and improved to 12-6. She tallied 20 on Thursday in a 59-41 win over Milaca.
Lexi Funaro added 15 points.
Next for the Thunder is a home game against Foley on Friday.