The National Weather Service in North Little Rock says severe weather is possible in north and western parts of the state.
Forecasters say a weather system that brought devastating tornadoes to the Plains on Sunday was pushing toward northwest Arkansas on Monday. The storms led the way for a cold front, which is meeting a high pressure system that's over Arkansas and other southern states.
The high pressure ridge is causing the front to stall, with storms expected to develop over the northern and western Arkansas.
The unstable conditions are expected Monday afternoon and evening. Hail, damaging winds and isolated tornadoes are possible, along with heavy rain in places. The greatest threat is north and west of a line from Mena to Hardy.