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Somerset, Kentucky 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Somerset KY
National Weather Service Forecast for:
Somerset KY
Issued by: National Weather Service Jackson, KY |
| Updated: 11:16 am EDT Apr 17, 2026 |
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This Afternoon
 Sunny
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Tonight
 Mostly Clear
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Saturday
 Slight Chance Showers then Chance T-storms
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Saturday Night
 Showers
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Sunday
 Chance Showers then Sunny
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Sunday Night
 Mostly Clear
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Monday
 Sunny
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Monday Night
 Mostly Clear
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Tuesday
 Sunny
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| Hi 84 °F |
Lo 63 °F |
Hi 79 °F |
Lo 42 °F |
Hi 61 °F |
Lo 40 °F |
Hi 65 °F |
Lo 42 °F |
Hi 76 °F |
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This Afternoon
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Sunny, with a high near 84. Light south southwest wind. |
Tonight
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Mostly clear, with a low around 63. South wind 3 to 7 mph. |
Saturday
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A chance of showers, with thunderstorms also possible after 2pm. Increasing clouds, with a high near 79. Southwest wind 6 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. |
Saturday Night
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Showers and possibly a thunderstorm before midnight, then showers likely. Low around 42. Northwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible. |
Sunday
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A 30 percent chance of showers, mainly before 7am. Sunny, with a high near 61. North northwest wind 7 to 11 mph, with gusts as high as 22 mph. |
Sunday Night
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Mostly clear, with a low around 40. |
Monday
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Sunny, with a high near 65. |
Monday Night
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Mostly clear, with a low around 42. |
Tuesday
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Sunny, with a high near 76. |
Tuesday Night
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Partly cloudy, with a low around 53. |
Wednesday
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Mostly sunny, with a high near 77. |
Wednesday Night
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Mostly clear, with a low around 53. |
Thursday
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Sunny, with a high near 80. |
Forecast from NOAA-NWS
for Somerset KY.
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Weather Forecast Discussion
939
FXUS63 KJKL 171519
AFDJKL
AREA FORECAST DISCUSSION
National Weather Service Jackson KY
1119 AM EDT Fri Apr 17 2026
.KEY MESSAGES...
- Near record warmth expected this afternoon with temperatures
climbing into the middle 80s.
- A cold front will bring showers and possibly gusty
thunderstorms Saturday into Saturday evening, followed by much
cooler weather to start the new week.
- After cooler weather early in the new week, well above normal
temperatures will make a comeback by late in the week.
&&
.UPDATE...
Issued at 1119 AM EDT FRI APR 17 2026
No substantive changes were made with the late morning forecast
update. Still anticipate near record warmth with high temperatures
in the mid 80s. The record high for today is 86F at both JKL
(2002) and LOZ (1977).
UPDATE Issued at 801 AM EDT FRI APR 17 2026
Early morning obs have been blended into the forecast without any
substantive changes.
&&
.SHORT TERM...(Today through Saturday)
Issued at 721 AM EDT FRI APR 17 2026
A mid-upper level shortwave trough will depart to the east today,
leaving us with transient ridging ahead of a significant pattern
change. A longwave trough currently over the western CONUS will
progress eastward and strengthen as an embedded upper low
tracking across southern Canada deepens. An associated cold front
will pass through the local area Saturday afternoon and early
evening. A modest increase in dew points is expected by the time
the front arrives, and coupled with upper level support and
frontal convergence/lift, showers and potentially thunderstorms
are forecast. Only modest instability is expected, but brisk
environmental winds coupled with downdrafts could result in strong
wind gusts, especially in northeast KY where SPC has places a
slight risk of damaging winds. A blend of the latest model runs
suggests around a half inch of rain on average, and that will
probably be the only rain for the next week in most places. Much
cooler temperatures arrive Saturday night behind the front.
.LONG TERM...(Saturday night through Thursday)
Issued at 721 AM EDT FRI APR 17 2026
The axis of the longwave trough referenced in the short term
section will pass east over the area on Sunday and Sunday night. A
secondary push of cooler air is expected on Sunday night as the
axis passes. The NBM was dry with this feature, but latest model
runs suggest it`s not out of the question for a few showers to
occur. If the potential persists in subsequent runs, low POPs for
light precip may get introduced for Sunday night, especially over
northeast KY.
The trough departs to the east on Monday and leaves us with
lighter WNW flow aloft until ridging arrives late in the week. A
dying cold front beneath the WNW flow aloft is expected to reach
the Ohio Valley at midweek. No significant moisture return is
foreseen along the front, and nothing more than slight chance POPs
are in the forecast at this point.
As significant ridging aloft arrives late in the week along with
low level warm air advection, strong warming is expected.
&&
.AVIATION...(For the 12Z TAFS through 12Z Saturday morning)
ISSUED AT 739 AM EDT FRI APR 17 2026
IFR or worse conditions were present in valleys in far southeast
KY at TAF issuance, but were not affecting any TAF sites. The
fog/ceilings will dissipate this morning. Otherwise, VFR
conditions are expected through the period.
&&
.JKL WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
UPDATE...GEERTSON
SHORT TERM...HAL
LONG TERM...HAL
AVIATION...HAL
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