The Weekly Fill-Up | April 27-May 1

April 24, 2026

As April wraps up, fuel markets across eastern South Dakota are settling into the reality of peak spring demand. What began as a gradual ramp-up earlier in the month has now turned into sustained, high-volume diesel usage across the region. For Sioux Valley Coop patrons, this week is less about reacting to market shifts and more about maintaining consistency through one of the busiest stretches of the season.

Diesel demand remains strong as planting activity continues to move forward. Across much of the Midwest, favorable weather windows have allowed operations to stay active for longer periods of time, increasing daily fuel consumption. This sustained pace is different from earlier in the month, when activity came in short bursts. Now, with more continuous fieldwork underway, diesel usage has become more predictable—but also more demanding on supply systems.

Refinery maintenance season is largely coming to a close, and production levels are beginning to return to normal. However, the timing of that recovery does not fully offset the current level of demand. Even as more fuel is being produced, it is entering a market that is already drawing heavily from supply. This keeps availability steady, but it also limits the amount of flexibility in delivery timing, especially in rural areas where routes are spread out and scheduling becomes more complex.

One of the more important developments this week is how localized demand is influencing supply flow. Rather than broad national trends driving changes, it is the concentration of activity within specific regions—like eastern South Dakota—that is shaping how quickly fuel moves. When a large number of operations are active at once, it creates pressure on nearby terminals and distribution networks, making early communication and scheduling more important than ever.

Transportation continues to play a significant role in overall diesel usage. Alongside fieldwork, there is ongoing movement of equipment, inputs, and materials, all contributing to the total demand picture. This dual layer of consumption keeps fuel moving at a steady pace and reinforces the importance of maintaining strong inventory levels on-site.

Crude oil markets have remained relatively stable in recent days, providing a consistent backdrop for diesel pricing. While there have been minor fluctuations, there is no strong downward movement that would suggest a near-term pricing break. For Sioux Valley Coop patrons, this supports a continued focus on securing supply rather than delaying purchases in anticipation of lower costs.

Propane remains in a stable position as spring continues. With winter heating demand well behind us, propane usage has leveled off significantly. Inventory levels remain strong across the Midwest, and supply is readily available. While propane is not a primary focus during this time of year, maintaining adequate levels ensures it does not become an issue as attention stays on field operations.

The key takeaway for the week of April 27 is sustained demand management. Diesel usage is no longer increasing—it is holding at high levels across the region. Supply is steady but less flexible due to consistent draw. For Sioux Valley Coop patrons, the focus should remain on maintaining fuel levels, communicating needs early, and staying ahead of delivery schedules to keep operations running without interruption.

Sources

U.S. Energy Information Administration (EIA) – Weekly Petroleum Status Report
EIA Refinery Utilization and Distillate Production Data
EIA Propane/Propylene Inventory Report
YCharts – Midwest Diesel Fuel Price Trends