Central Iowa buyers and sellers woke up to a headline this morning: the Federal Reserve raised interest rates for the first time since July 2023. Here is the bottom line before you read another word - the Fed's rate is not your mortgage rate. The 30-year fixed moved a grand total of five basis points over the most recent survey week. On a Central Iowa home at August's average price, that is roughly $10 a month.
That gap between the headline and the payment is the whole story this week, and it is worth ten minutes of your time whether you are buying, selling, or holding rentals.
The Federal Open Market Committee voted 12-0 to raise the federal funds target range by 25 basis points, from 3.50%-3.75% to 3.75%-4.00%. It is the first increase since July 2023. Chair Kevin Warsh framed the move around inflation that has run hotter than the committee wants, driven in large part by energy costs, and committed to a timelier return to the 2% target.
The forward guidance matters more than the move itself. In the updated projections, 16 of 18 officials see at least one more quarter-point increase before the end of the year, and four penciled in two. The committee meets again in October and December.
This is the part that gets lost every single time, so let me be direct about the mechanics.
The federal funds rate is an overnight rate between banks. The 30-year fixed mortgage is a 30-year instrument priced off the 10-year Treasury and mortgage-backed securities. Those two things are related, but they are not the same dial, and they do not move together on the day of a Fed meeting.
Here is Freddie Mac's Primary Mortgage Market Survey, the national benchmark, as of September 10, 2026:
Five basis points on the week. Twenty-five from the Fed. Those are not the same number because they are not the same market. Bond markets had assigned this hike better than even odds for weeks, which means the mortgage market had largely priced it in before the gavel came down.
One honest caveat: that 6.76% reading predates today's decision. Freddie Mac publishes Thursdays at noon Eastern, so the first genuinely post-decision national reading lands tomorrow, September 17. I would rather tell you what I can verify than guess at a number that is one day away.
Abstractions do not help anyone decide anything, so here is the arithmetic on a real local number. DMAAR's final August 2026 data put the average Des Moines metro sale price at $374,090 across Polk, Dallas, and Warren counties. I run this at the standard 80% loan-to-value basis Freddie Mac surveys, which keeps the comparison honest against their published rate - that is a $299,272 loan. If you finance more than that, add mortgage insurance of roughly $95 to $140 a month, which is a larger line item than any rate move discussed below.
So the honest framing is this. The Fed headline is loud and, for a 30-year fixed buyer, it is worth about ten dollars this week. The twelve-month drift is worth about eighty. Neither one is the thing that decides whether a Central Iowa purchase works. Price, terms, and what you negotiate on the specific house are still doing far more work than the rate headline.
The Fed move is not irrelevant - it is just relevant to different products than most people assume. What actually tracks the federal funds rate closely:
If you have a fixed-rate mortgage, nothing about your payment changed today. Nationally, roughly half of outstanding mortgages are locked at 4% or below. That is a large share of Central Iowa homeowners sitting on financing they cannot replace, which is exactly why inventory has stayed as tight as it has.
The fall window in Central Iowa is still open, and the Fed did not close it. August closed with 3,622 active listings across the metro - roughly 3.8 months of supply - and only 56% of August closings went under contract within 30 days, down from 61% in July. That is a measurably slower market than the spring, and slower markets are where buyers get terms.
What I recommend right now:
Your buyer pool did not shrink by a meaningful amount today. It shrank by about ten dollars a month of purchasing power. What should concern you is not the Fed, it is the 3.8 months of supply and the fact that fewer homes are moving in the first 30 days than were in July.
Pricing correctly in the first two weeks is doing more for your net proceeds this fall than any rate headline. A home priced ahead of the market in a slowing month does not simply sit - it trains buyers to wait for the reduction.
This is where the Fed move actually bites, and it is worth being clear about it.
What this means for your strategy: The Fed raised its rate 25 basis points. The 30-year fixed moved five. If you are buying with fixed-rate financing, today changed your payment by roughly the cost of lunch - so make your decision on the house, the price, and the terms, not the headline. If you are carrying variable-rate debt, a HELOC, or an ARM approaching reset, today was a real event and it deserves a look this week. And with sixteen of eighteen Fed officials projecting at least one more increase this year, the case for getting your financing squared away now is stronger than it was yesterday.
Run your own numbers on a specific Central Iowa property with the Deal Calculator - it will show you principal, interest, taxes, insurance, and cash flow at today's rates rather than a national average. If you are weighing a sale, I will put together a current valuation and a net-proceeds breakdown for your address so you can see the real number instead of an estimate.
Questions about how this changes your specific situation? Reach out - I would rather walk you through the math on your actual numbers than have you make a six-figure decision off a headline.
Jackson Krile | Flanders Team | RE/MAX Real Estate Center
515.490.8614 · [email protected]
Let's talk through your specific situation - no pressure.