FuelCastWill gas prices go up next week in Wyoming?
Gas prices in Wyoming are likely to fall in the week to Monday, October 19. The Rocky Mountain regional average, which includes Wyoming, is $4.439 per gallon (EIA, week of Oct 12, 2026).
Fill up just before prices jump and you pay more for the same tank. Here is where gas in Wyoming stands and which way it is heading next week.
Gas prices in Wyoming this week
| Fuel | Average price | Change vs last week | Next week |
|---|---|---|---|
| Regular gasoline · Rocky Mountain avg. | $4.439/gal week of Oct 12, 2026 | +2.2¢ | Likely to fall (weaker signal here) |
| Diesel · Rocky Mountain avg. | $6.302/gal week of Oct 12, 2026 | +3.5¢ | No clear direction yet |
The EIA does not publish a separate weekly gasoline average for Wyoming, so this page uses the Rocky Mountain regional average, which includes Wyoming.
Weekly averages are published by the EIA, usually on Mondays. The next one is due Monday, October 19.
Know before you fill up
FuelCast shows whether prices near you are likely to rise or fall, the cheapest stations around you and the best day to fill up, with an alert when it matters.
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Questions
Will gas prices go up next week in Wyoming?
Gas prices in Wyoming are likely to fall in the week to Monday, October 19.
What is the average gas price in Wyoming right now?
$4.439 per gallon (Rocky Mountain average) in the EIA weekly survey for the week of Oct 12, 2026.
When are new gas price averages published?
The U.S. Energy Information Administration publishes weekly retail averages, usually on Monday afternoons. FuelCast updates its outlook after each release.
Source: U.S. Energy Information Administration (EIA), Weekly Retail Gasoline and Diesel Prices · Public domain (U.S. Government work)