Tulsa, OK – Rain and storm chances are possible this morning across parts of northeast Oklahoma as precipitation moves in from the west. Brief heavy rainfall is possible in the stronger showers and thunderstorm activity.
According to the US National Weather Service in Tulsa, the probability of thunderstorms ranges from 10% to 20% in areas including Tulsa, Bartlesville, and Miami. As the day progresses, conditions are expected to clear up, but another concern arises with the onset of a heat wave.
Hot and humid conditions are set to spread over eastern Oklahoma and northwest Arkansas throughout the week. The heat index values are forecasted to reach between 100F to 110F degrees, particularly affecting cities like Tulsa, Fayetteville, McAlester, and Fort Smith. These conditions are expected to persist daily, prompting advisories for residents to take necessary heat precautions while outdoors.
In Tulsa, the high temperatures will range from 94F on Sunday to a peak of 110F on Tuesday, with overnight lows staying warm around 79F to 81F. Fayetteville will experience similar conditions, with highs reaching 101F to 105F and lows in the mid-70s.
McAlester will also see highs fluctuating between 93F and 106F, while Fort Smith’s forecast shows temperatures peaking at 107F to 108F. The region will endure this extreme heat until at least Friday, with a slight decrease in temperatures expected by the weekend.



