TULSA, Oklahoma - Heat advisories are issued for Saturday for Green Country. 

Maximum heat index values range 105 to 110.  Friday, we hit our first 100 degree high of the year and Saturday, we will probably do it again. Highs will be around 102 in Tulsa. Slightly cooler day time highs if you are east of Tulsa. 

A few afternoon showers and storms will be possible in the higher terrain of southeastern Oklahoma. 

Saturday night, mostly clear skies temperatures fall into the low 80's once again. 

Sunday, we have another heat advisory from noon until 9 p.m. a few more clouds with a chance for late afternoon and evening thunderstorms east and southeast of Tulsa. 

A cool front will push into southern Kansas Sunday night which will increase our rain chances especially north of Tulsa for Monday morning. 

Scattered thunderstorms are possible for Monday afternoon with highs in the mid-90's. 

Heat index values will stay in the triple digits. 

Rain and storm chances will stay in the forecast every day this week as we head into next weekend. At least afternoon highs will be back to near normal.