This is a special weather statement from the National Weather Service Office in Riverton. * WHAT...West-northwest winds 25 to 35 mph with gusts up to 60 mph. * WHERE...The Upper Wind River Basin, near Dubois and Crowheart. * WHEN...12 PM to 8 PM, with the strongest winds occurring between 2 PM and 6 PM. * IMPACTS...Mainly to transportation, especially along US Highway 26/287. Enhanced blow over risk for light and high profile vehicles, including campers and tractor trailers. Please keep two hands on your steering wheel in case of a sudden, strong wind gust.