I am planning my first cross country road trip when I get my 45' Class A Diesel Pusher. I've seen youtube videos and caught on camera episodes where big rigs and huge fifth wheels have tipped over be...
Wind speed & direction forecast - http://graphical.weather.gov/sectors/conus.php?element=WindSpd Clicky Has different forecasts for 8am, 11am, 2pm & 5pm.
It won't keep you away from tornadoes but way better than sticking a wet finger in the air.