Extreme Heat Warning

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 106. For the High Wind Warning, south winds 25 to 35 with gusts up to 60 mph. For the Lake Wind Advisory, north winds 15 to 20 mph with gusts up to 35 mph expected.

* WHERE...McCone County.

* WHEN...For the Extreme Heat Warning, until 6 AM MDT Monday. For the High Wind Warning, from 9 PM this evening to 4 AM MDT Monday. For the Lake Wind Advisory, from 9 PM this evening to 6 AM MDT Monday.

* IMPACTS...Damaging winds could blow down trees and power lines. Travel could be difficult, especially for high profile vehicles. Strong winds and rough waves on area lakes will create hazardous conditions for small craft. Heat related illnesses increase significantly during extreme heat and high humidity events.

* ADDITIONAL DETAILS...Wave heights as high as 4 feet.