NWS Forecast Office Tulsa, OK

A marginal risk of excessive rainfall that could lead to localized flood potential exists across all of eastern Oklahoma and western Arkansas except far western portions of Carroll and Madison counties. Although localized areas could see heavy rain in the afternoon, higher totals are favored during the morning.

A Marginal Risk for severe weather exists Monday afternoon and evening for parts of eastern Oklahoma along and west of a line from Bartlesville to Claremore to Henryetta. There are questions about whether or not storms will develop, but if they do, the atmosphere supports mainly a large hail and damaging wind threat. A low tornado threat may also develop.

A Slight Risk for severe thunderstorms exists from Tuesday afternoon into Tuesday evening for parts of eastern Oklahoma to the west of a line from near Jay to near Lake Eufaula. A Marginal Risk exists to the east of the Slight Risk area to a line from near Berryville to Fort Smith to Antlers. Large hail to the size of a hen egg, damaging winds to 70 mph and a limited threat for tornadoes are the main threats.

A Slight Risk of severe thunderstorms remains forecast Wednesday into Wednesday night for all of eastern Oklahoma and northwest and west central Arkansas. Higher-end threats remain possible, although specific details may depend on how Tuesday's thunderstorms unfold. Continue to check future forecasts.

Multiple rounds of additional rain and thunderstorms are expected Tuesday and Wednesday for eastern Oklahoma and northwest Arkansas. A marginal risk of excessive rainfall that could lead to localized flood potential exists areawide both days. In areas that see multiple rounds of heavy rain in preceding days, quicker onset flash flooding could occur.

Unsettled weather continues through the weekend and into the middle of next week.