When will my corn crop start silking? When should it reach maturity? Will it reach maturity before the first frost?

The Midwest Climate Resource Center hosts some really great crop production weather tools developed by the Useful to Useable (U2U) project. My favorite is the Corn Growing Degree Calculator.

• Illinois Current Bare Soil Temperature Map (login required)
• Illinois State Climatologist - Trent Ford
• Midwest Climate Watch from the Midwest Regional Climate Center at the Illinois State Water Survey
• State Water Survey Temperature Inversion potential map (login required)
• U2U Corn Growing Degree Calculator