* WHAT...Heat index values around 105 expected during the afternoon hours.
* WHERE...Portions of northwest and west central Kansas and southwest Nebraska.
* WHEN...From 1 PM CDT /noon MDT/ Saturday to 10 PM CDT /9 PM MDT/ Monday.
* IMPACTS...Heat related illnesses increase significantly during extreme heat events.
* ADDITIONAL DETAILS...Temperatures may remain in the 70s overnight, limiting recovery from daytime heat.