Iowa farmers have a watchful eye to the sky, but not for the Independence Day fireworks. With June rainfall about an inch below normal — and no significant rain in the early days of July — Iowa Ag Secretary Patty Judge says most parts of the state could use some rain.Judge says the crops aren’t showing major signs of stress yet. Judge says southwest Iowa is hurting the worst. Judge says you can’t tell the potential problem in a “windshield survey” as the crops look good from the roadway.Judge says things haven’t reached panic stage yet, and a good rain could do a lot to keep the crops on a good course. She says the corn has met one traditional measure.She says the corn is well beyond the “knee high by the Fourth of July” mark.