Extreme Heat Warning

* WHAT...Dangerously hot conditions with heat index values up to 110.

* WHERE...Portions of northwestern, south central, and southwestern South Dakota.

* WHEN...Until 8 PM MDT /9 PM CDT/ this evening.

* IMPACTS...Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.