Tulsa weather: Heat and humidity remain in Oklahoma Heat builds through Monday afternoon with highs in the upper 90s and heat index values near 105 to 110, prompting a heat advisory. Here's the ...

A persistent ridge of high pressure will keep temperatures in the upper 90s to near 100° across northeastern Oklahoma through midweek, with heat index values potentially exceeding 110°. By late ...

Showers and thunderstorms are possible this evening, mainly in parts of north-central Oklahoma. A few of these storm may be able to produce damaging winds and heavy rainfall. The rest of the state ...