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Chattanooga, Tennessee 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 3 Miles WSW Chattanooga TN
National Weather Service Forecast for: 3 Miles WSW Chattanooga TN
Issued by: National Weather Service Morristown, TN
Updated: 2:26 pm EDT Apr 5, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 68. North wind around 10 mph.
Sunny
Tonight

Tonight: Partly cloudy, with a low around 44. North wind 5 to 10 mph.
Partly Cloudy
Monday

Monday: Mostly sunny, with a high near 70. North wind 5 to 10 mph.
Mostly Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 45. North wind around 5 mph becoming calm  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 71. Northeast wind around 5 mph.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 45. Northeast wind around 5 mph becoming calm  in the evening.
Mostly Clear
Wednesday

Wednesday: Mostly sunny, with a high near 72. Light east wind becoming southeast 5 to 10 mph in the morning.
Mostly Sunny
Wednesday
Night
Wednesday Night: Mostly cloudy, with a low around 49.
Mostly Cloudy
Thursday

Thursday: Mostly sunny, with a high near 74.
Mostly Sunny
Hi 68 °F Lo 44 °F Hi 70 °F Lo 45 °F Hi 71 °F Lo 45 °F Hi 72 °F Lo 49 °F Hi 74 °F

 

This Afternoon
 
Sunny, with a high near 68. North wind around 10 mph.
Tonight
 
Partly cloudy, with a low around 44. North wind 5 to 10 mph.
Monday
 
Mostly sunny, with a high near 70. North wind 5 to 10 mph.
Monday Night
 
Mostly clear, with a low around 45. North wind around 5 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 71. Northeast wind around 5 mph.
Tuesday Night
 
Mostly clear, with a low around 45. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
 
Mostly sunny, with a high near 72. Light east wind becoming southeast 5 to 10 mph in the morning.
Wednesday Night
 
Mostly cloudy, with a low around 49.
Thursday
 
Mostly sunny, with a high near 74.
Thursday Night
 
Mostly clear, with a low around 53.
Friday
 
Mostly sunny, with a high near 79.
Friday Night
 
Partly cloudy, with a low around 55.
Saturday
 
Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for 3 Miles WSW Chattanooga TN.

Weather Forecast Discussion
164
FXUS64 KMRX 051817
AFDMRX

Area Forecast Discussion
National Weather Service Morristown TN
217 PM EDT Sun Apr 5 2026

...New DISCUSSION...

.KEY MESSAGES...
Updated at 213 PM EDT Sun Apr 5 2026

- Dry weather this week and through the upcoming weekend.

- Cooler to start the period, with a warming trend for Wednesday
  through the weekend.

&&

.DISCUSSION...
Issued at 213 PM EDT Sun Apr 5 2026

Currently, cooler and drier air continues to filter in behind the
departed cold front as surface high pressure builds in from the
west. A rather uneventful weather week looks to be on tap for this
forecast period. High pressure will remain in control through
Monday, then a moisture starved cold front will approach late Monday
and push through our area Monday night into Tuesday before washing
out. No precipitation is expected with this front, but another shot
of cooler air will move in behind it.  We will start the week with
temperatures around or even slightly below seasonal normals and
there may be some late night/early morning patchy frost in a few
areas during the next few nights, especially north, with the coldest
night likely to be Tuesday night.

Relative humidity values will be low each day as well over the next
several days, with minimum values likely dipping at least as low as
the upper 20s and 30s each afternoon across much of the area.

High pressure will continue to keep us dry for the remainder of the
period through Sunday, along with a warming trend beginning
Wednesday and continuing through the upcoming weekend.  Temperatures
will be back to well above normal by the weekend.

&&

.AVIATION...
(18Z TAFS)
Issued at 116 PM EDT Sun Apr 5 2026

Any brief low cigs at TYS/TRI will quickly clear out with VFR
conditions expected all sites for the remainder of the period.
May be some fog around sunrise at TRI but right now the probability
of occurrence looks too low to include.

&&

.PRELIMINARY POINT TEMPS/POPS...
Chattanooga Airport, TN             44  70  45  71 /   0   0   0   0
Knoxville McGhee Tyson Airport, TN  41  66  43  65 /   0   0   0   0
Oak Ridge, TN                       40  68  41  66 /   0   0   0   0
Tri Cities Airport, TN              37  63  39  60 /   0   0   0   0

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
TN...NONE.
VA...NONE.
&&

$$

DISCUSSION...99
AVIATION...99
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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