The fragile calm that once surrounded global inflation is beginning to crack—and fast. As fresh data looms, economists are warning that the next inflation report could deliver an unwelcome surprise: a sharp spike driven largely by soaring energy prices tied to the escalating Iran conflict.

For months, there had been cautious optimism that inflation was cooling. But that narrative is now being rewritten. The upcoming Consumer Price Index (CPI) report is expected to show a significant jump, with projections pointing to a 0.9% monthly increase and a 3.4% annual rate—a notable acceleration from February’s milder figures.

At the center of this surge is energy—specifically gasoline. Prices at the pump have surged past $4 per gallon, a level not seen in years, as geopolitical tensions disrupt oil supply chains and inject uncertainty into global markets.

The Iran war has quickly become more than a geopolitical flashpoint—it’s now an economic catalyst. The disruption of critical shipping routes like the Strait of Hormuz, which carries a significant portion of global oil supply, has sent shockwaves through energy markets. Analysts estimate that up to 20% of global oil flows have been affected at various points during the conflict.

This isn’t just about fuel costs. Energy is deeply embedded in nearly every aspect of the economy. When oil prices rise, transportation becomes more expensive, manufacturing costs increase, and supply chains tighten. The result? Higher prices for everything from groceries to construction materials.

In fact, economists warn that this could trigger a “second wave” of inflation—one that extends far beyond gas stations. Food prices, already under pressure, are expected to climb further due to higher transportation and production costs.

For the Federal Reserve, the timing couldn’t be worse. Policymakers had been cautiously considering interest rate cuts later this year, hoping inflation would steadily decline toward their 2% target. But this new energy shock complicates everything.

If inflation rises too quickly, the Fed may be forced to delay rate cuts—or even consider tightening policy again. That would put additional pressure on consumers and businesses already grappling with high borrowing costs.

Even before the conflict, inflation wasn’t fully under control. Core inflation—excluding food and energy—remained stubbornly elevated, suggesting underlying price pressures were still present.

Now, with energy costs surging, those pressures are intensifying.

The inflation spike isn’t limited to the United States. Around the world, countries—especially energy importers—are feeling the strain. Emerging markets, in particular, are vulnerable, as rising oil prices weaken currencies and increase the cost of essential imports.

There are also growing fears that prolonged disruptions could push oil prices even higher—possibly toward $100 per barrel or beyond—which would further amplify inflation globally.

The upcoming CPI report will offer the first real glimpse into how deeply the Iran conflict is affecting consumer prices. But many economists believe this is just the beginning.

If energy prices remain elevated—or if the conflict escalates—inflation could stay higher for longer than expected. That would delay economic recovery and keep financial markets on edge.

For everyday consumers, the impact is already clear: higher gas bills, more expensive groceries, and shrinking purchasing power.

The message is simple but sobering—inflation isn’t done yet. And this time, it’s being driven by forces far beyond domestic control.