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Winston-Salem, North Carolina 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Winston-Salem NC
National Weather Service Forecast for: Winston-Salem NC
Issued by: National Weather Service Raleigh, NC
Updated: 2:12 am EDT May 17, 2026
 
Today

Today: Sunny, with a high near 91. Southwest wind 5 to 8 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 65. South wind around 6 mph.
Mostly Clear

Monday

Monday: Sunny, with a high near 92. South wind 5 to 7 mph.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 66. South wind around 6 mph.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 92. Southwest wind 5 to 8 mph.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 66.
Mostly Clear

Wednesday

Wednesday: Mostly sunny, with a high near 93.
Mostly Sunny

Wednesday
Night
Wednesday Night: A chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Chance
Showers

Thursday

Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm.  Partly sunny, with a high near 82. Chance of precipitation is 60%.
Chance
Showers then
Showers
Likely
Hi 91 °F Lo 65 °F Hi 92 °F Lo 66 °F Hi 92 °F Lo 66 °F Hi 93 °F Lo 66 °F Hi 82 °F

 

Today
 
Sunny, with a high near 91. Southwest wind 5 to 8 mph.
Tonight
 
Mostly clear, with a low around 65. South wind around 6 mph.
Monday
 
Sunny, with a high near 92. South wind 5 to 7 mph.
Monday Night
 
Mostly clear, with a low around 66. South wind around 6 mph.
Tuesday
 
Sunny, with a high near 92. Southwest wind 5 to 8 mph.
Tuesday Night
 
Mostly clear, with a low around 66.
Wednesday
 
Mostly sunny, with a high near 93.
Wednesday Night
 
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
 
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Thursday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Friday
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Friday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Saturday
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Winston-Salem NC.

Weather Forecast Discussion
070
FXUS62 KRAH 170515
AFDRAH

Area Forecast Discussion
National Weather Service Raleigh NC
115 AM EDT Sun May 17 2026

.WHAT HAS CHANGED...

* No significant changes.

&&

.KEY MESSAGES...
As of 115 AM Sunday...

1) Hot and mainly dry through Wednesday.

2) Increasingly unsettled starting Wed night, with more seasonable
temperatures.

&&

.DISCUSSION...
As of 115 AM Sunday...

KEY MESSAGE 1... Hot and mainly dry through Wednesday.

Still anticipating multiple days of anomalously hot temperatures.
Mid-upper level troughing holding from south-central Canada through
the northern Plains and Rockies will ensure persistent ridging over
and off the Southeast coast through mid week, with heights over NC
reaching the 95th-99th percentile today through Tue. Meanwhile, at
the surface, Bermuda high pressure continues to extend westward
across NC, keeping low level moisture return limited, with deep
mixing each day and minimal cloudiness overall. Multi-model low
level thicknesses are projected to be 15-20 m above normal today and
to gradually rise to 20-25 m above normal by Wed, favoring highs
from around 90 to the mid 90s. Early-day dewpoints in the 60s are
likely to mix out and drop through the 50s during the hottest parts
of each day, which should keep heat index values from rising into
the triple digits. However, this kind of early-season heat can still
be unexpectedly dangerous, as people have not yet become acclimated
to the hot weather. The daily experimental Heat Risk is expected to
top out at Moderate (level 2 of 4), indicating that this kind of
heat is quite unusual for this time of year and has historically led
to high levels of heat illness. A Moderate level of Heat Risk
suggests that impacts are likely for sensitive individuals and those
without adequate cooling. And with just a modest breeze and fairly
high sunshine each day, the WBGT index will also be elevated, so
spending time in the shade is encouraged.

Regarding precip chances, the mid level ridging and limited low
level moisture should keep any showers very isolated through Wed.
The one exception could be later today or this evening as weak MCVs
from FL convection spread NNW then NNE into the western Carolinas,
potential supporting isolated showers in the far W Piedmont,
although the PWs will be close to normal with a cap at 700 mb, so
any convection should be very low in coverage, too low to include in
the forecast at this time.


KEY MESSAGE 2... Increasingly unsettled starting Wed night, with
more seasonable temperatures.

Rain chances will increase as we get into mid week, although amounts
and timing remain uncertain. The south-central Canada portion of the
mid level trough will track E over Ontario, Quebec, and Maritime
provinces Wed/Thu and tamp down the Southeast ridge, allowing a cool
surface high to spread across the Great Lakes and St Lawrence Valley
and push a backdoor front S into NC Thu. Most deterministic models
and ensemble members favor high rain chances Thu afternoon into
early Fri, as the high begins to wedge southward with increased Gulf-
and Atlantic-source overrunning, greatest over the W CWA into W NC
where LREF probabilities of a half inch Thu aftn through Fri morning
are highest at 45-60%.

While confidence is fairly high in a wedge regime lasting into Fri,
the latest models still disagree on its dissolution, with the LREF
members showing a 15+ degree spread in 2m temps both Fri and Sat
afternoon, a reflection of high uncertainty regarding the CAD
persistence, which will also influence rain chances as we maintain a
somewhat weak but wavy WSW flow aloft amidst above-normal PW. Will
retain above-normal PoPs Fri afternoon through the weekend, but with
low confidence in details.

&&

.AVIATION /05Z SUNDAY THROUGH THURSDAY/...
As of 110 AM Sunday...

TAF period: There is a minimal chance for brief MVFR/IFR ceilings at
FAY around sunrise, but confidence has decreased and the tempo group
has been changed from BKN010 to SCT010 with the 06Z TAF package to
indicate this. Otherwise, high clouds overnight should decrease in
coverage by early afternoon. Southwest wind will increase with gusts
by late morning.

Outlook: The potential for MVFR/IFR stratus around sunrise will
continue over the next few days at FAY/RWI. A chance of showers will
enter the forecast Wednesday night, with widespread showers and a
chance of thunderstorms expected at all sites Thursday.

&&

.CLIMATE...

Record High Temperatures:

May 18: KGSO: 95/1911 KRDU: 95/1906 KFAY: 96/1911

May 19: KGSO: 96/1911 KRDU: 95/1962 KFAY: 96/2022

May 20: KGSO: 95/1917 KRDU: 96/2022 KFAY: 99/2022


Record High Minimum Temperatures:

May 18: KGSO: 70/2015 KRDU: 72/1896 KFAY: 71/2018

May 19: KGSO: 68/2018 KRDU: 70/2022

May 20: KGSO: 68/2022 KRDU: 69/2019 KFAY: 71/2022

May 21: KGSO: 67/2022 KRDU: 71/1898 KFAY: 71/2025

&&

.RAH WATCHES/WARNINGS/ADVISORIES...
None.

&&

$$

DISCUSSION...Hartfield
AVIATION...Green
CLIMATE...RAH
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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