links worked perfectly... me and another hunter here went out yesterday in the st. charles area (Close to St. Louis) and didnt find anything. if the 10 day forecast holds true i think we will start seeing some real action by this coming sunday around st. louis.. its supposed to start warming up wednesday and stay above 50 degrees all the way through until late sunday evening. Then cool back down again
we did some ground temperature readings and the soil near the river seemed about 10 degrees warmer than soil just a few hundred yards away. we were getting readings mid 50's by the river, mid/low 40's a few hundred yards away. i was a bit disappointed because i was looking at a chart similar to yours saying the soil temps were warmer than what we recorded.
id say if you don't see any by the 13th, you're probably going to have to wait till it warms back up 1 more time and they'll start popping!
Good luck to you!