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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: 2:34 pm EDT Apr 21, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 77. West southwest wind around 11 mph, with gusts as high as 21 mph.
Mostly Sunny

Tonight

Tonight: Partly cloudy, with a low around 50. Southwest wind 6 to 8 mph, with gusts as high as 15 mph.
Partly Cloudy

Wednesday

Wednesday: Sunny, with a high near 78. West wind 6 to 14 mph, with gusts as high as 23 mph.
Sunny

Wednesday
Night
Wednesday Night: Mostly clear, with a low around 51. West wind around 5 mph becoming calm  in the evening.
Mostly Clear

Thursday

Thursday: Sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 55.
Mostly Clear

Friday

Friday: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 83.
Sunny then
Chance
Showers
Friday
Night
Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am.  Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Chance
T-storms then
Showers
Likely
Saturday

Saturday: Showers and possibly a thunderstorm.  High near 74. Chance of precipitation is 80%.
Showers

Hi 77 °F Lo 50 °F Hi 78 °F Lo 51 °F Hi 82 °F Lo 55 °F Hi 83 °F Lo 59 °F Hi 74 °F

 

This Afternoon
 
Mostly sunny, with a high near 77. West southwest wind around 11 mph, with gusts as high as 21 mph.
Tonight
 
Partly cloudy, with a low around 50. Southwest wind 6 to 8 mph, with gusts as high as 15 mph.
Wednesday
 
Sunny, with a high near 78. West wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
 
Mostly clear, with a low around 51. West wind around 5 mph becoming calm in the evening.
Thursday
 
Sunny, with a high near 82. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
 
Mostly clear, with a low around 55.
Friday
 
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Friday Night
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Saturday
 
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Saturday Night
 
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 52. Chance of precipitation is 60%.
Sunday
 
A 20 percent chance of showers. Mostly sunny, with a high near 78.
Sunday Night
 
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Monday
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Somerset KY.

Weather Forecast Discussion
026
FXUS63 KJKL 211800 AAB
AFDJKL

AREA FORECAST DISCUSSION...UPDATED
National Weather Service Jackson KY
200 PM EDT Tue Apr 21 2026

.KEY MESSAGES...

- A warming trend will continue through Friday

- Isolated to scattered showers and perhaps a storm could affect
  northern and eastern portions of the area on Wednesday.

- The next expectation of areawide rain is not until the weekend.

&&

.UPDATE...
Issued at 155 PM EDT TUE APR 21 2026

Hourly grids have been freshened up based on recent observations
and trends. This led to no substantial changes at this time.

&&

.SHORT TERM...(Today through Wednesday)
Issued at 740 AM EDT TUE APR 21 2026

Early this morning, an upper level trough is departing to our
east while ridging slowly approaches from the west. In between,
our upper level flow is from the WNW. A weak wave rippling through
the flow is supporting a cold front currently over the upper
Midwest. Ahead of the front, our low level flow will pick up out
of the southwest today and start a significant warming trend.
Moisture will be slower to increase, with flow off the gulf
looping around us well to the west before it gets drawn in ahead
of the front. The front will make some progress southeastward
through Wednesday, but as ridging aloft approaches and the flow
becomes much weaker, the front will lose momentum. Showers and
thunderstorms are expected to develop near the front to our north.
They could make it into our northeastern counties on Wednesday,
but are more likely further north, closer to the stalling
boundary.

.LONG TERM...(Wednesday night through Monday)
Issued at 740 AM EDT TUE APR 21 2026

The aforementioned frontal boundary in the short term segment will
be stalled in IN and OH at the start of the period and will begin
a northward retreat Wednesday night. Upper level ridging arriving
from the west will result in warm and dry weather for the local
area into the day Friday. A series of shortwave troughs coming
out of a degrading western CONUS longwave trough will then eat
away at the ridge. Low level moisture should also finally creep
higher as surface ridging/high pressure over the southeast CONUS
weakens and shifts offshore. The combination of waves aloft,
lowering geopotential heights, and increasing low level moisture
should finally allow for rainfall for most of the area, with the
most likely time being Friday night into Saturday.

&&

.AVIATION...(For the 18Z TAFS through 18Z Wednesday afternoon)
ISSUED AT 200 PM EDT TUE APR 21 2026

VFR conditions will persist through most of the period. the
period. Northern and eastern locations may experience a shower or
a thunderstorm during the last 6 hours of the period. Southwest
to west winds initially in the 5 to 15KT range with gusts up to
around 20KT are expected to begin the period, though winds should
slacken toward 00Z. Winds in valleys should then be light and
variable between 00Z and 13Z, with south to southwest winds at 5
to 10KT elsewhere. Meanwhile as a system nears the OH Valley,
winds aloft will increase and lead to the threat of LLWS between
02Z and 13Z.

&&

.JKL WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

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






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