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Somerset, Kentucky 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Somerset KY
National Weather Service Forecast for: Somerset KY
Issued by: National Weather Service Jackson, KY
Updated: 7:21 pm EDT May 24, 2026
 
Tonight

Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 62. Calm wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers and
Patchy Fog
Memorial
Day
Memorial Day: A chance of showers, with thunderstorms also possible after 11am.  Patchy fog before 10am.  Otherwise, cloudy, with a high near 75. Light north northeast wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers and
Patchy Fog
then Chance
T-storms
Monday
Night
Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 62. Light east wind.  Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
Tuesday

Tuesday: Showers, with thunderstorms also possible after 11am.  High near 79. Light south wind.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers


Tuesday
Night
Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 65. Calm wind.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

Wednesday

Wednesday: Showers, with thunderstorms also possible after 11am.  High near 80. Chance of precipitation is 90%.
Showers


Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Chance
T-storms

Thursday

Thursday: A 40 percent chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 82.
Partly Sunny
then Chance
T-storms

Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 62.
Chance
T-storms then
Partly Cloudy

Lo 62 °F Hi 75 °F Lo 62 °F Hi 79 °F Lo 65 °F Hi 80 °F Lo 64 °F Hi 82 °F Lo 62 °F

Hazardous Weather Outlook
Flood Watch
 

Tonight
 
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Memorial Day
 
A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 10am. Otherwise, cloudy, with a high near 75. Light north northeast wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light east wind. Chance of precipitation is 30%.
Tuesday
 
Showers, with thunderstorms also possible after 11am. High near 79. Light south wind. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
Showers, with thunderstorms also possible after 11am. High near 80. Chance of precipitation is 90%.
Wednesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Thursday
 
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82.
Thursday Night
 
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 62.
Friday
 
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Friday Night
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Saturday
 
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 76. Chance of precipitation is 60%.
Saturday Night
 
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Sunday
 
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Somerset KY.

Weather Forecast Discussion
140
FXUS63 KJKL 250016
AFDJKL

AREA FORECAST DISCUSSION
National Weather Service Jackson KY
816 PM EDT Sun May 24 2026

.KEY MESSAGES...

- Wet weather will last through most of the upcoming week, but
  some drying may occur by next weekend.

&&

.UPDATE...
Issued at 725 PM EDT SUN MAY 24 2026

Heavier rainfall has departed into WV/VA and just scattered to
numerous mainly light showers continue across the forecast area.
This activity should gradually diminish over northwestern counties
through the remainder of the evening and overnight as a cold front
slowly moves into eastern Kentucky.

&&

.SHORT TERM...(This evening through Monday night)
Issued at 424 PM EDT SUN MAY 24 2026

A shortwave trough aloft is brushing our area this afternoon as it
passes largely to our north. An associated cold front is over
western KY, and a warm and very moist air mass remains in place
east of the front. Broad convergence ahead of the front along with
the upper level support has easily been enough to bring widespread
showers and thunderstorms. Enough heating has occurred over
extreme eastern KY ahead of the storms to give surface based CAPE
in the neighborhood of 1500-2000 J/Kg and is supporting some
strong cells, despite very modest flow aloft of 30-35 kts. The
flow is largely unidirectional and there is 1.75-2" of
precipitable water. This has supported some locally heavy
rainfall in training cells. A Flood Watch was issued early this
afternoon for this potential (until late tonight).

An overall reduction in precip is expected from NW to SE this
evening as the shortwave departs and heating is lost. However,
models are suggesting a weak wave rounding the northwest side of a
large scale ridge off the southeast coast could support additional
showers/storms near the VA border overnight and maybe into Monday.
However, confidence in how this plays out is not all that high. If
significant precip looks more likely, it`s possible the Flood
Watch in southeast KY could be extended.

Confidence declines further going into Monday night. Models show
potential for the ring of fire around the periphery of the
aforementioned ridge to remain active Monday night. But smaller
scale supporting features will be weak and probably hard to pin
down. The POP is lower but still in the forecast.

.LONG TERM...(Monday night through Saturday)
Issued at 429 PM EDT SUN MAY 24 2026

The forecast period opens on Tuesday with a stalled boundary
oriented west-to-east across the Commonwealth. This boundary will
serve as the primary focus for shower and thunderstorm development
through much of the upcoming week. In line with previous model
suites and forecast packages, heavy rainfall indices remain largely
unchanged. Forecast PWATs continue to range from 1.70 inches to 1.90
inches, driven by robust moisture advection. These high precipitable
water values, paired with skinny CAPE profiles noted in model
soundings, continue to indicate highly efficient rainfall production
along the boundary.

Long-term guidance hints at a breakdown of this wet and stormy
pattern late in the week as the stationary front sags southward as a
cold front, bringing an end to the widespread precipitation.
Nonetheless, prior to the cold frontal passage late in the week,
forecast QPF ranges from 0.75 inches in the far northeastern
portions of the CWA to 1.25 inches near the Cumberland Plateau. As
noted in previous discussions, these QPF values carry a heavy
caveat, as totals will certainly fluctuate based on convective
activity and exactly where mesoscale bands of heavier rainfall set
up.

By Friday, the front is forecast to drop south of the region. While
it will initially remain a stationary boundary to our south, showers
and storms are forecast to increase again by the weekend as the
boundary lifts back northward as a warm front. Temperatures through
the period will remain 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, allowing overnight
lows to drop 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. While seasonal temperatures persist, repeated rounds
of rainfall, heavy at times, will bring an increasing threat for
flash flooding and eventual river flooding.

&&

.AVIATION...(For the 00Z TAFS through 00Z Monday evening)
ISSUED AT 816 PM EDT SUN MAY 24 2026

Showers will gradually decline across most places by 4Z but will
likely persist longer over far southeastern Kentucky. Conditions
mainly ranged from VFR to MVFR at TAF issuance, but conditions are
expected to worsen to at least MVFR area-wide over night and could
worsen to IFR/LIFR in some areas. Slow improvement is eventually
forecast to begin from north to south before the period ends.

&&

.JKL WATCHES/WARNINGS/ADVISORIES...
Flood Watch until 11 PM EDT this evening for KYZ044-050>052-
058>060-068-069-079-080-083>086-104-106>109-111-112-114-116.

Flood Watch until 2 AM EDT Monday for KYZ087-088-110-113-115-
117>120.

&&

$$

UPDATE...GEERTSON
SHORT TERM...HAL
LONG TERM...VORST
AVIATION...GEERTSON
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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