Courtesy Amanda Ness, from the Montana Farm Service Agency State Office:

FSA Presentation Part 1: 2018 Farm Bill Changes and Yield Update

FSA Presentation Part 2: Review of the PLC, ARC-CO and ARC-IC Programs

Courtesy MSU Extension Specialist George Haynes:

2019 Agricultural Policy: The 2018 Farm Bill Data and Decision Tools

General Information & Data:

General Information on ARC and PLC Programs from FSA

Data for calculating updated yields, reference prices, etc. from FSA

Decision Tools:

PLC, ARC-CO, and ARC-IC Excel Calculators:  from North Dakota State University.

Texas A & M/FAPRI Tool

University of Illinois/Gardner Program Payment Tool and FAST Calculator (includes all crops and ARC-IC)

Price forecasting information:

USDA WASDE Reports: monthly price estimates for major commodities

CBO Reports: The Congressional Budget Office predicts prices used to estimate farm bill spending.  Search "farm bill" for the latest.

FAPRI Reports: generally published twice a year in spring and fall

Other useful information:

Supplemental Coverage Option (SCO) Factsheet from RMA