No PMI Mortgages — WEOKIE Federal Credit Union is a mortgage from WEOKIE Federal Credit Union. Loan terms: The 5/5 ARM 30-Year Loan is fixed for five years and then adjusts every five years; A 10/10 ARM 20-Year Loan is fixed for 10 years and then adjusts once in your 20-year term; A 15/15 ARM 30-Year Loan is fixed for 15 years and then adjusts once in your 30-year term..