EXPECT gusty storms and heavy bursts of rain with a severe thunderstorm warning issued for Tamworth.
An inland trough combined with moist air over eastern NSW is forecast to bring thunderstorms to large parts of the state.
Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding and damaging winds in the next several hours.
Armidale, Tamworth and Narrabri will be affected and the State Emergency Service has urged people to move their cars under cover and away from trees.
Any fallen power lines should be reported to Essential Energy on 132 080.
Trees that have been damaged by fire are more likely to be unstable and residents should keep clear of creeks and storm drains.
For emergency help in floods and storms ring the SES on 132 500.