TULSA, OKLA — A relatively cool, clear and pleasant night is with us thanks to light winds and low humidity. Temperatures by Tuesday morning will fall into the lower 60s.
The day ahead will bring an increase in south winds, which will increase both the temperature and moisture levels in the air. Expect a mostly sunny sky with Tuesday afternoon highs in the upper 80s. The heat index will climb into the 90s.
The heat and humidity of the afternoon along with an incoming boundary may be enough to spark isolated thunderstorms, mainly north of Tulsa by late afternoon and dissipating around sunset. A few storms may have strong winds and large hail.
An even hotter, windier day awaits us Wednesday with morning lows only in the 70s and highs into the 90s. The heat index will top the century mark by afternoon.
An incoming cold front will bring more unsettled weather to the region starting Wednesday night. Scattered storms may be severe initially north of Tulsa that evening. The rain and thunder will gradually expand southward overnight and through the day Thursday. The clouds, potential rainfall and north winds will make Thursday and beyond cooler with daily highs back in the 80s for the rest of the week.
A lull in rainfall is expected late this week with rain chances returning more readily toward Father's Day into early next week. Over the weekend, temperatures will begin to climb back toward the 90° mark again.
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