APY Ledger

First Southern Bank (Illinois) CD Rates — October 2026

Also known as First Southern Bank.

As of October 22, 2026, First Southern Bank (Illinois)'s highest tracked CD rate is 2.53% APY on a 28-month CD ($1,000 minimum). That is 1.6 times the FDIC national average for 24-month CDs (1.55%). Standard CD rates range from 1.51% to 2.53% APY.

Last verified from www.firstsouthernbank.net · FDIC-insured bank · Marion, IL · Branches in IL

Tracking began .

Best APY2.53%28 months, $1,000 min
vs. Treasury−2.37%same-term Treasury 4.90%
vs. national average1.6×FDIC national average 1.55%
After inflation-1.21%CPI 3.7% year over year
$10,000 earns$601over 28 months, before tax

First Southern Bank (Illinois) CD rates

CDs from 3 to 60 months, including a 9-month Liquid CD; minimums range from $1,000 to $5,000. Early withdrawal penalties may apply.

First Southern Bank (Illinois) CD rates
TermProductMinimumAPYvs. TreasurySource
3 months Certificate of Deposit $2,500 1.51% −2.79% Top 69% of tracked 3-month CDs · Verified October 22, 2026
6 months Certificate of Deposit $2,500 2.01% −2.39% Top 80% of tracked 6-month CDs · Verified October 22, 2026
9 months Certificate of Deposit (Liquid) $5,000 1.61% −2.87% Top 87% of tracked 9-month CDs · Verified October 22, 2026
12 months Certificate of Deposit $1,000 2.22% −2.35% Top 80% of tracked 12-month CDs · Verified October 22, 2026
15 months Certificate of Deposit $1,000 2.27% −2.38% Verified October 22, 2026
18 months Certificate of Deposit $1,000 2.27% −2.45% Top 80% of tracked 18-month CDs · Verified October 22, 2026
24 months Certificate of Deposit $1,000 2.42% −2.45% Top 74% of tracked 24-month CDs · Verified October 22, 2026
28 months Certificate of Deposit $1,000 2.53% −2.37% Verified October 22, 2026
30 months Certificate of Deposit $1,000 2.53% −2.38% Verified October 22, 2026
36 months Certificate of Deposit $1,000 2.53% −2.42% Top 70% of tracked 36-month CDs · Verified October 22, 2026
48 months Certificate of Deposit $1,000 2.53% −2.45% Top 66% of tracked 48-month CDs · Verified October 22, 2026
60 months Certificate of Deposit $1,000 2.53% −2.48% Top 68% of tracked 60-month CDs · Verified October 22, 2026

APY = annual percentage yield. "vs. Treasury" compares each APY with the Treasury yield for the same term on 2026-10-21 (converted to APY). Treasury interest is exempt from state income tax; see the T-bill vs. CD calculator.

What are First Southern Bank (Illinois)'s best CD rates by term?

First Southern Bank (Illinois)'s best rate is 2.53% APY on 28 months, verified October 22, 2026.

  1. 3 mo1.51%
  2. 6 mo2.01%
  3. 9 mo1.61%
  4. 12 mo2.22%
  5. 15 mo2.27%
  6. 18 mo2.27%
  7. 24 mo2.42%
  8. 28 mo2.53%
  9. 30 mo2.53%
  10. 36 mo2.53%
  11. 48 mo2.53%
  12. 60 mo2.53%

Calculate earnings at 2.53% for 28 months

How much interest could a First Southern Bank (Illinois) CD earn?

Estimated interest at maturity for the displayed institution quotes, before tax or early withdrawal penalties. Each estimate assumes the quoted APY applies to that balance and interest stays deposited. Estimates use known deposit tiers. Upper balance limits and membership, relationship or new-money requirements must be confirmed with the institution; these are conditional estimates, not personalized offers.

$600.56 interest · $10,600.56 at maturity on $10,000.00.

2.53% APY · 28 months · Certificate of Deposit · Standard · verified October 22, 2026.

Before tax; interest remains deposited. Confirm all product conditions. Estimate one-year purchasing power.

Add a CD maturity reminder

Estimated CD interest at maturity — conditional on quoted APY eligibility
Term$5,000$10,000$25,000$50,000
3 months$18.721.51% APY · Certificate of Deposit · Standard$37.441.51% APY · Certificate of Deposit · Standard$93.591.51% APY · Certificate of Deposit · Standard$187.181.51% APY · Certificate of Deposit · Standard
6 months$50.142.01% APY · Certificate of Deposit · Standard$100.282.01% APY · Certificate of Deposit · Standard$250.692.01% APY · Certificate of Deposit · Standard$501.382.01% APY · Certificate of Deposit · Standard
9 months$60.311.61% APY · Certificate of Deposit (Liquid) · Standard$120.621.61% APY · Certificate of Deposit (Liquid) · Standard$301.551.61% APY · Certificate of Deposit (Liquid) · Standard$603.101.61% APY · Certificate of Deposit (Liquid) · Standard
12 months$111.002.22% APY · Certificate of Deposit · Standard$222.002.22% APY · Certificate of Deposit · Standard$555.002.22% APY · Certificate of Deposit · Standard$1,110.002.22% APY · Certificate of Deposit · Standard
15 months$142.202.27% APY · Certificate of Deposit · Standard$284.392.27% APY · Certificate of Deposit · Standard$710.982.27% APY · Certificate of Deposit · Standard$1,421.962.27% APY · Certificate of Deposit · Standard
18 months$171.372.27% APY · Certificate of Deposit · Standard$342.742.27% APY · Certificate of Deposit · Standard$856.862.27% APY · Certificate of Deposit · Standard$1,713.722.27% APY · Certificate of Deposit · Standard
24 months$244.932.42% APY · Certificate of Deposit · Standard$489.862.42% APY · Certificate of Deposit · Standard$1,224.642.42% APY · Certificate of Deposit · Standard$2,449.282.42% APY · Certificate of Deposit · Standard
28 months$300.282.53% APY · Certificate of Deposit · Standard$600.562.53% APY · Certificate of Deposit · Standard$1,501.402.53% APY · Certificate of Deposit · Standard$3,002.802.53% APY · Certificate of Deposit · Standard
30 months$322.462.53% APY · Certificate of Deposit · Standard$644.922.53% APY · Certificate of Deposit · Standard$1,612.292.53% APY · Certificate of Deposit · Standard$3,224.582.53% APY · Certificate of Deposit · Standard
36 months$389.182.53% APY · Certificate of Deposit · Standard$778.362.53% APY · Certificate of Deposit · Standard$1,945.912.53% APY · Certificate of Deposit · Standard$3,891.822.53% APY · Certificate of Deposit · Standard
48 months$525.532.53% APY · Certificate of Deposit · Standard$1,051.062.53% APY · Certificate of Deposit · Standard$2,627.642.53% APY · Certificate of Deposit · Standard$5,255.292.53% APY · Certificate of Deposit · Standard
60 months$665.322.53% APY · Certificate of Deposit · Standard$1,330.652.53% APY · Certificate of Deposit · Standard$3,326.622.53% APY · Certificate of Deposit · Standard$6,653.252.53% APY · Certificate of Deposit · Standard

How First Southern Bank (Illinois) compares

Compare the displayed terms, minimums and quote locations. Membership, relationship and new-money conditions may apply. Institution quotes below use the exact 852-day term. Regional peers quote a shared operating state; nationwide best is limited to our tracked sample.

First Southern Bank (Illinois) CD rate comparison
Institution / benchmarkTermMinimumWho can openAPYVerified / source date
First Southern Bank (Illinois) (this institution)Certificate of Deposit · Standard28 months$1,000 Branches in IL2.53%October 22, 2026
WEOKIE Federal Credit Union (highest tracked APY for this term)Certificate Account · Standard28 months$1,000 Membership required · branches in OK4.40%October 22, 2026
Treasury (APY-equivalent)28 months (term-matched estimate)Depends on purchase methodFederal; interest exempt from state income tax4.90%2026-10-21

Rate changes

See changes across all tracked institutions

No changes since we started tracking First Southern Bank (Illinois) on October 22, 2026.

About First Southern Bank (Illinois)

Legal name
First Southern Bank
Regulator ID
FDIC 15565
Headquarters
Marion, IL
Available in
IL
Total assets
$1.0 billion
Also known as
First Southern Bank
Website
www.firstsouthernbank.net

Source: rates read from https://www.firstsouthernbank.net/services-resources/resources/rates.html. See the page text we read.

Frequently asked questions

What is the highest CD rate at First Southern Bank (Illinois)?

Among the rates we track, 2.53% APY on a 28-month CD, as of October 22, 2026.

What is the minimum deposit for a First Southern Bank (Illinois) CD?

The lowest minimum we found is $1,000; jumbo and higher balance tiers start at up to $5,000.

How does First Southern Bank (Illinois)'s best CD rate compare with Treasury yields?

2.53% APY is −2.37% versus the 28-month Treasury yield of 4.90% (APY-equivalent) on 2026-10-21. Treasury interest is also exempt from state income tax.

Is 2.53% a good CD rate?

It is 1.6 times the FDIC national average for a similar term (1.55% as of 2026-10-19), which is a deposit-weighted average across all U.S. banks and credit unions. Online banks and promotional CDs often pay several times the national average.

Are First Southern Bank (Illinois) CDs insured?

First Southern Bank (Illinois) is an FDIC-insured bank (FDIC 15565). Deposits are insured up to $250,000 per depositor, per ownership category.

How often is this page updated?

We check First Southern Bank (Illinois)'s rate page every day. The rates above were last verified on October 22, 2026.

More bank CD rates

Rates are copied from First Southern Bank (Illinois)'s website and may change at any time. Confirm terms, minimums and eligibility with First Southern Bank (Illinois) before opening an account. This page is not financial advice.