Iowa Soil Temperatures
Iowa Department of Agriculture and Land Stewardship
Iowa State Farm Economy Team 
Iowa State University Extension Service
AgWeb
Iowa State University 
Iowa Agricultural Statistics
Iowa Environmental Mesonet - All Iowa real-time reports: weather, road, river, airport, farm
National Weather Service
Weekly Weather and Crop Bulletin
Weekly Crop Weather Reports
Iowa Manure Management Action Group
University of Minnesota Extension KingCorn - Information on growing corn, pest management and a lot more.
Farm Page - Daily ag news, updates and comments.
GrainLine - LDP's by State and by County. Historical LDP's and general information.
Russell Consulting Group--Agricultural Risk Management
FutureSource - News and information on all types of markets.

Chicago Board of Trade - Quotes, charts and information.
Chicago Mercantile Exchange - Quotes, charts and information.

New York Stock Exchange
New York Mercantile Exchange
NASDAQ

KWWL Channel 7
KCRG Channel 9
KGAN Channel 2
WMT Radio AM 600
Iowa Public TV
KCCI Channel 8 - Des Moines TV Channel
WOI Channel 5- Ames/Des Moines TV Channel
Iowa Public Radio
National Public Radio

Des Moines Register
Waterloo/Cedar Falls Courier
Cedar Rapids Gazette
USA Today
Iowa Farmer Today
Wallaces Farmer
Successful Farming

Iowa Geographic Map Server- Can be used to pullup FSA office type field maps

Iowa Grain Quality Initiative- Iowa Grain Quality Initiative with the ISU Extension Service

Iowa State Weed Science On Line-Information on weeds and herbicides.
Integrated Crop Management News Letter-ISU Crop Management Newsletter

American Soybean Association
Iowa Corn Growers Association
Iowa Soybean Growers Association
National Corn Growers Association

Coast Guard Navigation Center-Information available on GPS Differential Status

BarChart.com-Online financial and grain quotes, charts, technicals. The right side is for subscribers of BarChart.com while the left side has access to free information and charts.