NWS Forecast Office Tulsa, OK

A Tornado Watch is in effect until 10 PM for portions of eastern Oklahoma and northwest Arkansas. Storms may produce very large to giant hail, tornadoes, and damaging winds. Some tornadoes may be strong, primarily across northwest Arkansas and far eastern Oklahoma.

Chances for severe weather return today along a cold front that will move through the area. Severe weather potential will remain a little more limited early this afternoon with storms that develop across northeast Oklahoma and far northwest Arkansas, but the strongest storms will be capable of large hail and damaging winds This Afternoon : Extreme instability will build this afternoon ahead of the front, with the greatest instability axis extending from southeast Oklahoma through west central and northwest Arkansas. A few of the storms that develop in the instability maximum this afternoon and early evening will be capable of producing very large, destructive hail and significant severe wind gusts up to 80 mph. Additionally, a limited tornado threat will also exist. Storm chances will diminish during the evening as the cold front clears the area.

Storm coverage will increase this afternoon along a cold front before shifting east of the region by late evening. Any storms that develop may quickly become severe across eastern Oklahoma and northwest Arkansas this afternoon and early evening.

.Tonight...Mostly clear. Chance of thunderstorms. Lows 48 to 66.

.Thu...Mostly sunny. Chance of showers and thunderstorms. Highs 73 to 85.