Diesel 30-Day Trend
About Illinois Diesel Prices
Illinois diesel prices are sourced from AAA, updated daily. Prices reflect the retail average across the state.
Use the alert form to get notified when Illinois diesel prices cross a level you set.
Frequently Asked Questions
What is the diesel price in Illinois today?
Today's average diesel price in Illinois is $5.32 per gallon.
Why do diesel prices vary by state?
Diesel prices vary by state due to differences in state fuel taxes, proximity to supply terminals, and local demand from commercial trucking and agriculture.
How often are diesel prices updated?
WatchForMe updates diesel prices for Illinois daily, sourced from AAA. Prices reflect the retail average across the state.
How can I get a diesel price alert for Illinois?
Use WatchForMe to set a free price alert for Illinois. Enter your target price and email — you'll be notified when the average diesel price crosses your threshold. No app or account needed.