High Wind Warning

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 97. For the High Wind Warning, south winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Dawson, Eastern Roosevelt, Prairie, Richland, and Wibaux Counties.

* WHEN...For the Extreme Heat Warning, until 2 AM MDT Tuesday. For the High Wind Warning, until 4 AM MDT Monday.

* IMPACTS...Travel could be difficult, especially for high profile vehicles. Heat related illnesses increase significantly during extreme heat and high humidity events.