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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: 7:29 pm EDT May 23, 2026 |
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Tonight
 Chance T-storms then Chance Showers
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Sunday
 Showers Likely
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Sunday Night
 Showers Likely and Patchy Fog
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Memorial Day
 Showers Likely and Patchy Fog
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Monday Night
 Showers
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Tuesday
 Showers then T-storms
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Tuesday Night
 T-storms Likely then Showers Likely
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Wednesday
 Showers
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Wednesday Night
 Chance T-storms
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| Lo 62 °F |
Hi 79 °F |
Lo 63 °F |
Hi 80 °F |
Lo 64 °F |
Hi 81 °F |
Lo 65 °F |
Hi 81 °F |
Lo 65 °F |
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Hazardous Weather Outlook
Tonight
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A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light south southeast wind. Chance of precipitation is 40%. |
Sunday
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A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 79. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Sunday Night
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Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Memorial Day
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Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 80. Light and variable wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Monday Night
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Showers likely and possibly a thunderstorm before 2am, then showers between 2am and 5am, then showers and possibly a thunderstorm after 5am. Low around 64. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Tuesday
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Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 90%. |
Tuesday Night
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Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. |
Wednesday
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A chance of showers, then showers and possibly a thunderstorm after 8am. High near 81. Chance of precipitation is 80%. |
Wednesday Night
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A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. |
Thursday
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A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 70%. |
Thursday Night
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Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. |
Friday
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A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. |
Friday Night
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A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. |
Saturday
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A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. |
Forecast from NOAA-NWS
for Somerset KY.
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Weather Forecast Discussion
218
FXUS63 KJKL 232357
AFDJKL
AREA FORECAST DISCUSSION
National Weather Service Jackson KY
757 PM EDT Sat May 23 2026
.KEY MESSAGES...
- Localized heavy rainfall may occur with showers & thunderstorms
through the evening.
- Wet weather will last through most of the upcoming week.
&&
.UPDATE...
Issued at 712 PM EDT SAT MAY 23 2026
Convective coverage remains unremarkable and scattered this
evening. Still can`t rule out minor flooding if activity became
particularly persistent in a given location, but the threat of
flash flooding is too low to retain the Flood Watch and it has
been cancelled early.
&&
.SHORT TERM...(This evening through Sunday night)
Issued at 426 PM EDT SAT MAY 23 2026
A shortwave trough and associated weak surface low are departing
to our northeast late today. The system`s poorly defined, dying
cold front is in central KY. There`s been slightly more heating
today, and this is leading to shower/thunderstorm redevelopment
ahead of the front this afternoon in an uncapped atmosphere. Even
with heating, instability remains weak and the CAPE profile is
tall and thin. With modest, largely unidirectional flow in the
steering layer and decent PW of around 1.75", these factors may
give rise to localized heavy rainfall in training cells. With a
Flood Watch already in effect for our far northern counties where
significant rain occurred in recent days, will let it ride into
the evening. As activity wanes, it can likely be cancelled or
allowed to expire later.
It appears we`ll get brushed by another shortwave trough passing
eastward to our north on Sunday, coinciding with peak heating.
Without any significant change in our atmosphere, this should give
a proliferation of showers/thunderstorms which again fade on
Sunday night as heating is lost and the shortwave departs. The
same conditions again on Sunday could also allow for locally
heavy rainfall.
.LONG TERM...(Monday through Saturday)
Issued at 314 PM EDT SAT MAY 23 2026
The forecast period starts with a surface low moving eastward out of
the Ohio Valley. This surface low is progged to drag a cold front
through the area first thing Monday morning. This will provide
showers and storms early in the day, followed by a lull in activity
for the afternoon. However, by late afternoon, a surface wave moving
through the Deep South is forecast to eject north and lift a warm
front through the CWA. Showers and storms are expected to increase
in coverage Monday afternoon and persist through the overnight hours
before the front stalls as a stationary boundary, oriented west to
east across the Commonwealth for Tuesday.
This wavering boundary is forecast to stall Tuesday and remain the
focus for shower and thunderstorm development throughout most of
next week. Forecast PWs, driven by stout moisture advection,
alongside skinny CAPE soundings, continue to hint at efficient
rainfall production along this boundary. This supports a forecast
total QPF ranging from over 1.25 inches in the Bluegrass/I-64
corridor to up to 2.00 inches farther south toward the Tennessee
border. These numbers will certainly fluctuate depending on
convective activity and where mesoscale bands or heavier rainfall
set up. However, long-term guidance does hint at a breakdown of this
wet and stormy pattern late in the week as the stationary front
drops south as a cold front, bringing an end to the precipitation.
Lastly, temperatures are forecast to remain rather seasonal with
highs in the upper 70s to lower 80s and overnight lows in the low to
mid 60s. Once the front sags south, temperatures will cool a few
degrees, with lows dropping into the 50s.
In summary, an active and unsettled weather pattern will dominate
the region into next week as a stationary boundary stalls across the
Commonwealth. Seasonal temperatures will remain overhead, but
persistent rainfall, which will be heavy at times, could bring an
increasing threat for river and flash flooding.
&&
.AVIATION...(For the 00Z TAFS through 00Z Sunday evening)
ISSUED AT 757 PM EDT SAT MAY 23 2026
Conditions were primarily VFR at TAF issuance outside any ongoing
scattered showers and thunderstorms. Coverage of this activity
should generally become isolated overnight. However, showers
could still occur at about any time through the night. The
showers/thunderstorms will cause localized reductions below VFR.
Fog is possible overnight at any of the terminals as well but
extent is unclear due to lingering cloud cover. An increase in
showers/thunderstorms is forecast on Sunday, with renewed flight
category reductions. However, forecast confidence on Sunday is
only modest.
&&
.JKL WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
UPDATE...GEERTSON
SHORT TERM...HAL
LONG TERM...VORST
AVIATION...GEERTSON/HAL
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