Hey Ken, spoken like a true Okie . I used to live in Norman, OK, and I moved to Wichita, KS for a job recently. Its windier here than in Oklahoma, and the worst part is that a lot of times its a straight cross-wind. When I first got here, I flew with a guy who moved here from Indiana, and the wind was barely blowing (at least to me), at a max of 10 mph, and he was saying it was too windy for him. He was floored when I just put my 4*60 together and started flying completely unphased by the wind speed. Once he started flying, he realized that 10 mph winds won't bother his Kaos too much and wasn't bothered by wind again.

It really depends on your trainer. Some of the smaller, lighter ones do not have good wind penetration, but the larger ones will do just fine. I do not remember a day in Oklahoma where we flew in winds lower than 10 mph. I learned on a Kadet LT40, and it will fly in some serious wind. The only time I was uncomfortable flying that thing in the wind was when it was so windy that forward flight upwind was a max of 10 mph and downwind flight was close to 70 mph. I got a little scared a few times thinking i didn't have enough thrust to move forward. If you can afford it, buy an anemometer, that way you can measure what wind speed is "too high" for your comfort level when you're out at the field. Other than that, pucker up and fly.