Regional Weather Synopsis
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
909 ABUS99 KMRX 231742 RRA SYNMRX Regional Synopsis National Weather Service Morristown TN 1235 PM EST Tues Dec 23 2025 .SYNOPSIS... A ridge of high pressure will produce unseasonably warm conditions this week. Light rain will be possible tonight, mainly north of I- 40. A frontal boundary will bring a greater chance of showers for Christmas Day and Friday, mainly along and north of interstate 40. $$