textproduct: Morristown
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
Updated at 723 AM EDT Mon Aug 3 2026
- Shower and storm chances will continue each day this week, especially during the afternoon hours. A few locations may see very heavy rainfall which could lead to localized flooding with these showers and storms.
- Slightly below normal temperatures are expected through the first half of the week, returning to near seasonal norms for the latter half.
DISCUSSION
Issued at 122 AM EDT Mon Aug 3 2026
The upper trough currently over our area continues to shift slowly east. However, models do not show a clean exit of the trough, but rather a weak upper low gets cuts off from the flow and left behind and then meanders over the region into mid-week. Exactly where this low is located matters for the details, but right now it appears we will see at least scattered showers and thunderstorms around each day Monday through Wednesday, especially during the warmer afternoon hours when greatest instability occurs. With the ground already wet from recent rains across much of the area, broad marginal risks remain in place for isolated flooding potential each of the next several days.
How quickly the weak upper low departs is still unclear. However, models generally show us coming under increasing influence of longwave troughing to our northwest, which would continue daily precip chances even as the low becomes absorbed into mean flow sometime later in the week.
Temperatures will be a bit below normal to start the work week, but a gradual warming trend will bring temperatures back to around normal by the Thursday through Sunday time frame.
AVIATION
(12Z TAFS) Issued at 723 AM EDT Mon Aug 3 2026
Conditions are mostly VFR across the region. A few spots are reporting MVFR CIGs. A brief drop to MVFR CIGs will remain possible for a couple more hours. Scattered showers are expected this afternoon and early evening across the region. Thunder will likely be isolated.
PRELIMINARY POINT TEMPS/POPS
Chattanooga Airport, TN 86 70 88 72 / 50 10 50 30 Knoxville McGhee Tyson Airport, TN 84 69 87 70 / 50 10 60 30 Oak Ridge, TN 84 68 87 70 / 50 10 50 30 Tri Cities Airport, TN 82 65 85 67 / 50 10 60 10
MRX WATCHES/WARNINGS/ADVISORIES
NC...NONE. TN...NONE. VA...NONE.
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