Current O Fallon, Missouri CD rates include Alliance Credit Union Fenton, MOAlliance Credit Union Fenton, MO1051 Highway K, O Fallon, MO 63366 2912A+5.0 ★Texas Ratio: 4.34% offering Certificates of Deposit & IRA CDs Youth Saver 12-Month CD (ages 0-19) at 4.05% APY, Together Credit UnionTogether Credit Union2531 Highway K, O Fallon, MO 63368A+5.0 ★Texas Ratio: 5.65% offering 6 Month Certificate of Deposit (IRA) at 3.95% APY, First Community Credit UnionFirst Community Credit Union3440 Highway K, O Fallon, MO 63368 8138A+5.0 ★Texas Ratio: 3.72% offering 12 month Certificates of Deposit (CDs)/IRA Certificates of Deposit (CDs) at 3.75% APY, Bank of Franklin CountyBank of Franklin County100 Christina Marie Dr, O Fallon, MO 63368A+5.0 ★Texas Ratio: 5.20% offering 90 Day CD Special at 3.65% APY, and Simmons BankSimmons Bank2455 Highway K, O Fallon, MO 63368A+5.0 ★Texas Ratio: 2.50% offering 6-month CD at 3.50% APY. CD rates as of March 30, 2026 according to verified data from MonitorBankRates.
To help you find the best CD rates in O Fallon, Missouri, and the surrounding area,, use our comprehensive rate tables for side-by-side comparisons across all 8 CD terms from local and national banks and credit unions, to ensure you find the best CD rates available.
The Annual Percentage Yields (APYs) displayed reflect actual verified offers from top-rated institutions. Rates are subject to change at the institution's discretion without notice and may depend on your initial funding amount. A substantial penalty may be imposed for early withdrawal, which could reduce earnings on the account. CD Rates Last Updated and Verified: March 30, 2026
Preferred Rate with any checking account
The renewal rate for the 3-month CD will be based on the 3-month board rate in effect at time of maturity.
Minimum balance $500.
Interest paid at term or maturity of CD
$500 Minimum balance required to earn dividend
Preferred Rate with any checking account
$5,000 - $49,999.99 New Money
Interest paid quarterly
$1,000 minimum
Preferred Rate with any checking account
Interest paid quarterly
$1,000 minimum
Preferred Rate with any checking account
Minimum balance $500.
Interest paid quarterly
Fees may reduce earnings.
$1,000 minimum
Preferred Rate with any checking account
24, 36, and 48 month CDs will automatically renew at a standard rate with the same term, upon maturity, unless you contact First Mid to elect a different option.
Certificates of Deposit require a minimum deposit of $1,000.
Interest paid quarterly
Minimum maturity is 6 months. $1,000.00 minimum deposit. Substantial penalty for early withdrawal.
$1,000 minimum
Preferred Rate with any checking account
24, 36, and 48 month CDs will automatically renew at a standard rate with the same term, upon maturity, unless you contact First Mid to elect a different option.
$100,000 Minimum to Earn APY
$50,000 +; Certificates of Deposit require a minimum deposit of $50,000. Interest compounded semi-annually.
Interest paid quarterly
Funding Limit: $0.5M
Minimum maturity is 6 months. $1,000.00 minimum deposit. Substantial penalty for early withdrawal.
$1,000 minimum
Minimum balance is $1,000.
Preferred Rate with any checking account
24, 36, and 48 month CDs will automatically renew at a standard rate with the same term, upon maturity, unless you contact First Mid to elect a different option.
Interest paid quarterly
Minimum maturity is 6 months. $1,000.00 minimum deposit. Substantial penalty for early withdrawal.
$1,000 minimum
Preferred Rate with any checking account
$50,000 +; Certificates of Deposit require a minimum deposit of $50,000. Interest compounded semi-annually.
Interest paid quarterly
$100,000 Minimum to Earn APY
$500 Minimum balance required to earn dividend
Minimum maturity is 6 months. $1,000.00 minimum deposit. Substantial penalty for early withdrawal.
Compare local O Fallon, MO CD rate quotes against the statewide average
Weekly CD rate averages tracked across our database of 8,500+ banks and credit unions — updated every evening.
Missouri 12-month CD rates fell 0.865 points this week to 2.601% APY, down from 3.467% last week.
Missouri 6-month CD rates rose 0.324 points this week to 2.634% APY, up from 2.310% last week.
Direct-Sourced & Verified CD Rate Data: We aggregate certificate of deposit (CD) rates for O Fallon, Missouri directly from the official websites of banks and credit unions using our proprietary rate aggregation technology and a dedicated team of rate updaters. By pulling data straight from the institutions' own digital properties and manually verifying yields daily, every rate on MonitorBankRates.com is highly accurate and trustworthy.
Local, Regional, and National Coverage: Our systems constantly monitor the market to provide a complete picture of available yields in O Fallon, Missouri. We feature a comprehensive mix of institutions — from neighborhood credit unions and competitive regional banks to high-yield CDs from large national institutions available to savers in MO.
Daily Updates & Time-Stamped Accuracy: Our rate updaters verify and update CD rates daily. Because yields can fluctuate rapidly, every CD product listed features its own specific “last updated” date for full transparency.