textproduct: Morristown
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KEY MESSAGES
Updated at 115 PM EDT Tue Apr 14 2026
- Well above normal temperatures expected through this week into the first half of the weekend. Record highs are possible.
- Chance of showers Thursday evening, but light amounts will mean little relief from the worsening drought and fire weather conditions.
- Increasing confidence of showers with a cold front passage Saturday night/Sunday morning, followed by cooler temperatues next week.
DISCUSSION
Issued at 115 PM EDT Tue Apr 14 2026
Hot and dry conditions continue to be the main weather story for the area, thanks to a large ridge of high pressure over the Gulf and SE CONUS.
Today and Wednesday, high temperatures will be close to record highs with a SW flow, subsidence under the ridge, and limited cloud cover. Low RH values will be of concern for fire weather interests, bottoming out in the 25-35% range both today and Wednesday for most locations, but for the most part SW winds will not be higher than the 5-15 mph range.
The mid/upper ridge axis gets pushed east on Thrusday as a shortwave trough approaches from the west. This system brings a chance of showers Thursday evening, but weak dynaimc forcing and limited moisture will result in light QPF amounts (< 0.1 on average) and little impact on the ongoing drought conditions and wildfires. There is some elevated instability that will support some thunderstorms, mainly in our Plateau counties.
The ridge will build back Friday behind the exiting shortwave trough. High temperatures will be approaching records again on Friday and Saturday. Better rain chances may arrive for Saturday night into Sunday as models show a deep trough developing over the Plains that could push a cold front through our area. Model agreement, run-to-run consistency, and jet-induced dynamic forcing lead to increasing confidence of rain chances. Behind the front, cooler temperatures are expected as highs should be closer to normal, or slightly below, for Sunday and Monday.
Daily Record High Maximum Temperatures
Date Chattanooga Knoxville Tri-Cities Oak Ridge 04-14 87(2010) 86(1887) 85(1938) 88(2017) 04-15 87(2006) 87(1936) 85(1945) 86(2024) 04-16 89(2002) 87(1896) 87(2002) 88(2002) 04-17 91(1955) 90(1896) 85(2002) 88(1955) 04-18 90(2002) 90(1896) 87(2002) 89(2002)
AVIATION
(18Z TAFS) Issued at 115 PM EDT Tue Apr 14 2026
Winds through the afternoon will be 10-15 kt with some gusts up to 20 kt, decreasing around 23-00Z. Southwest winds tomorrow will be lighter, mainly 5-10 kt.
PRELIMINARY POINT TEMPS/POPS
Chattanooga Airport, TN 59 88 60 87 / 0 0 0 10 Knoxville McGhee Tyson Airport, TN 59 86 60 85 / 0 0 0 10 Oak Ridge, TN 57 86 58 85 / 0 0 0 20 Tri Cities Airport, TN 55 84 58 84 / 0 0 0 10
MRX WATCHES/WARNINGS/ADVISORIES
NC...NONE. TN...NONE. VA...NONE.
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