Lebanon, Tennessee 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Lebanon TN
National Weather Service Forecast for:
Lebanon TN
Issued by: National Weather Service Nashville, TN |
Updated: 12:31 pm CDT Jul 25, 2025 |
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This Afternoon
 Chance T-storms
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Tonight
 Slight Chance T-storms then Partly Cloudy
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Saturday
 Sunny then Chance T-storms
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Saturday Night
 Mostly Clear
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Sunday
 Chance T-storms
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Sunday Night
 Mostly Clear
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Monday
 Sunny then Slight Chance T-storms
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Monday Night
 Mostly Clear
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Tuesday
 Sunny
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Hi 94 °F |
Lo 74 °F |
Hi 93 °F |
Lo 74 °F |
Hi 95 °F |
Lo 74 °F |
Hi 96 °F |
Lo 75 °F |
Hi 96 °F |
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Heat Advisory
This Afternoon
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A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 94. Heat index values as high as 105. South wind around 5 mph. |
Tonight
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A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. |
Saturday
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A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 105. South southwest wind around 5 mph. |
Saturday Night
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Mostly clear, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. |
Sunday
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A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 95. Calm wind becoming west southwest around 5 mph in the morning. Chance of precipitation is 30%. |
Sunday Night
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Mostly clear, with a low around 74. West wind around 5 mph becoming calm. |
Monday
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A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind becoming west northwest around 5 mph in the afternoon. |
Monday Night
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Mostly clear, with a low around 75. Calm wind. |
Tuesday
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Sunny, with a high near 96. Calm wind becoming north northeast around 5 mph in the afternoon. |
Tuesday Night
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Mostly clear, with a low around 75. |
Wednesday
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A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97. |
Wednesday Night
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A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. |
Thursday
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Showers and thunderstorms likely. Mostly sunny, with a high near 94. Chance of precipitation is 60%. |
Forecast from NOAA-NWS
for Lebanon TN.
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Weather Forecast Discussion
144
FXUS64 KOHX 251705
AFDOHX
Area Forecast Discussion
National Weather Service Nashville TN
1205 PM CDT Fri Jul 25 2025
...New AVIATION...
.KEY MESSAGES...
Updated at 1204 PM CDT Fri Jul 25 2025
- A Heat Advisory is in effect through this evening and
temperatures are expected to get hotter again Sunday through
Wednesday of next week.
- Medium chances for afternoon storms this weekend.
- Any storms that develop each afternoon will produce very heavy
rainfall and frequent lightning, along with the potential for
localized gusty winds.
&&
.SHORT TERM...
(Rest of today through Saturday)
Issued at 1116 AM CDT Fri Jul 25 2025
A fairly widespread Cu field has developed this morning with less
subsidence compared to previous days. The radar is showing some
showers beginning to pop along the plateau. Temperatures are
about 3- 5 degrees cooler at this point than Wednesday and
yesterday. Look for highs to top out mainly in the low 90s this
afternoon with some locations possibly getting to 94 or 95. For
the most part heat index values will be in the 100-105 range.
Tomorrow looks fairly similar to today with the ridge off to the
east. Scattered showers and storms are expected to develop late in
the morning into the afternoon. Highs will be a degree or two
cooler today. Given the convective coverage and slightly lower
temperatures, I am going to hold off on continuing the Heat
Advisory for Saturday.
&&
.LONG TERM...
(Saturday Night through next Friday)
Issued at 1116 AM CDT Fri Jul 25 2025
As we get into Sunday, the ridge will drift back west and
strengthen. This will send temperatures back into the mid 90s and
even upper 90s by Tuesday and Wednesday. Looking at NBM dew points
during this time frame, they appear to be running a little high
with values in the mid to upper 70s. Achieving upper 90
temperatures with dew points in the mid to upper 70s is hard. I
expect a little more mixing and lower afternoon dew points. All of
this to say, while the NBM is advertising heat indicies in the
110-120 range, I would expect values closer to 105-110.
Regardless, it is going to be dangerously hot with little reprieve
at night with lows in the mid 70s.
As we move into Thursday, the upper high will weaken which will
knock temperatures back a couple of degrees and allow more
convective coverage.
&&
.AVIATION...
(18Z TAFS)
Issued at 1204 PM CDT Fri Jul 25 2025
VFR conditions prevail through the TAF period. Isolated showers
and thunderstorms will continue through early evening, however,
confidence remains too low to have mention in the TAFs. Winds will
generally be southerly at less than 10 knots.
&&
.PRELIMINARY POINT TEMPS/POPS...
Nashville 76 94 76 96 / 10 30 10 30
Clarksville 76 92 76 93 / 20 20 10 20
Crossville 69 88 70 88 / 10 40 10 40
Columbia 74 92 74 94 / 10 30 10 20
Cookeville 72 89 72 91 / 10 30 10 30
Jamestown 70 89 71 90 / 10 30 10 40
Lawrenceburg 72 92 73 93 / 10 30 10 20
Murfreesboro 74 94 74 95 / 10 30 10 30
Waverly 74 91 74 93 / 20 20 10 20
&&
.OHX WATCHES/WARNINGS/ADVISORIES...
Heat Advisory until 8 PM CDT this evening for TNZ005>009-023>030-
056>063-075-077-093>095.
&&
$$
SHORT TERM...Reagan
LONG TERM....Reagan
AVIATION.....Clements
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