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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: 2:23 am EDT Jul 18, 2026
 
Today

Today: Scattered showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 96. Heat index values as high as 106. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then
Scattered
T-storms
Tonight

Tonight: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 73. Southwest wind 3 to 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Partly Cloudy
Sunday

Sunday: A slight chance of showers and thunderstorms before 3pm, then a chance of showers after 4pm.  Mostly sunny, with a high near 93. Heat index values as high as 100. West wind 3 to 5 mph.  Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny
then Chance
Showers
Sunday
Night
Sunday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am.  Mostly cloudy, with a low around 71. Calm wind.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely then
Showers
Likely
Monday

Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 89. Light and variable wind.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
Chance
T-storms
Monday
Night
Monday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 71. 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
Tuesday

Tuesday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 92. Chance of precipitation is 30%.
Partly Sunny
then Chance
T-storms
Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Chance
T-storms

Wednesday

Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm.  Partly sunny, with a high near 90. Chance of precipitation is 60%.
Chance
Showers then
Showers
Likely
Hi 96 °F Lo 73 °F Hi 93 °F Lo 71 °F Hi 89 °F Lo 71 °F Hi 92 °F Lo 73 °F Hi 90 °F

Hazardous Weather Outlook
 

Today
 
Scattered showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 96. Heat index values as high as 106. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
 
A slight chance of showers and thunderstorms before 3pm, then a chance of showers after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 100. West wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
 
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
 
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 89. Light and variable 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 before 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 30%.
Tuesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 40%.
Wednesday
 
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Wednesday Night
 
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Thursday
 
Mostly sunny, with a high near 85.
Thursday Night
 
Partly cloudy, with a low around 66.
Friday
 
Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Winston-Salem NC.

Weather Forecast Discussion
054
FXUS62 KRAH 181012
AFDRAH

Area Forecast Discussion
National Weather Service Raleigh NC
620 AM EDT Sat Jul 18 2026

.WHAT HAS CHANGED...

* Dangerous heat with Heat Advisories issued today for all but
  the NW Piedmont region today from 11 AM through 9 PM.

* Slight risk (level 2 of 5) for severe thunderstorms late this
  afternoon and evening. Damaging wind the main threat.

&&

.KEY MESSAGES...
As of 220 AM Saturday...

1) Heat Advisory today from 11 AM through 9 PM for much of the
region, except the NW Piedmont.

2) A slight risk of severe thunderstorms later this afternoon
into the evening spreading over NW, north-central, and the
northeast areas late afternoon through mid-evening, then areas
south and east later this evening. Damaging wind the main
threat.

3) Unsettled and hot/humid weather to continue through midweek.

&&

.DISCUSSION...
As of 220 AM Saturday...

KEY MESSAGE 1... Heat Advisory today from 11 AM through 9 PM for
much of the region, except the NW Piedmont.

The heat advisory is in effect from 1100 AM through 900 PM
today. There is a chance of strong to locally severe
thunderstorms in the NW by mid to late afternoon, and in the
areas of north-central, central, and northeastern Piedmont by
600 PM - through midnight.

Actual highs today will be close to those of Friday. I suspect
with the return of the SW flow today that some areas will be
hotter (like RDU) which has the hottest temperatures with a SW
flow. Recent days have had light or E flow keeping temperatures
in check a bit.

Heat indices of 105-109 for several hours this afternoon are
expected in the Advisory area. In the NW, the heat indices of
100 are expected, which in my opinion should be advisory
criteria for that region.

KEY MESSAGE 2... A slight risk of severe thunderstorms later
this afternoon into the evening for the region.

The models, especially hi-res are depicting scattered strong to
severe thunderstorms this afternoon developing SE from the Blue
Ridge around 18z-19z, possibly into the Winston-Salem area
19z-22z, Greensboro 20z-23z, and the RDU area to north of RWI
around 00z through the evening.

High CAPE, generally favorable shear 35+ knots (especially
north), PW`s of 2+ inches, and lift support some damaging wind
gusts and small microbursts.

KEY MESSAGE 3... Unsettled and hot/humid weather to continue
through midweek.

A stalled boundary associated with active weather on Sunday will
gradually washout and give way to southwesterly flow early next
week, with central NC remaining on the warm and unstable side of the
synoptic frontal zone. Relatively lower heights aloft
associated with the broad cyclonic flow over the Great Lakes
and Northeast, along with a weakness in the subtropical ridge
over the northeast Gulf, should support continued periods of
mainly afternoon/evening showers and storms Monday and Tuesday,
before a stronger synoptic cold front attendant to a deeper
upper trough is progged to push through the region. A better
severe threat may unfold Wednesday with the front and what
should be rather strong mid-level flow in the base of the
trough, although the overall pattern of multi-day showers/storms
and overturning lends some uncertainty to the threat.

Additional rainfall amounts of 1-2 inches seem reasonable Mon-
Wed as PW remains anomalously high across the Southeast, due in
part to the a weak surface trough or low that models have been
indicating will develop over the northeast Gulf by Sunday.
Higher rainfall amounts will depend on where showers and storms
are more robust, with models generally favoring eastern NC.

&&

.AVIATION /12Z SATURDAY THROUGH WEDNESDAY/...
As of 620 AM Saturday...

Generally VFR conditions are expected through 18z today. After 18z,
there is a chance of thunderstorms in the Triad terminals lasting
into the early evening. The chance of storms reaches the Triangle
and RWI early to mid evening.

Outlook: An approaching cold front Sunday may result in a more
active weather pattern to support sub-VFR conditions from
stratus/mist overnight and scattered to locally numerous
showers/storms in the PM. After a relative minimum in storm chances
on Tuesday, chances increase once again on Wednesday as a strong
cold front looks to move through.

&&

.CLIMATE...
Record temperatures within 3F of forecast ones...

Record Highs:
July 18: KGSO: 97/1986

Record High Mins:
July 18: KGSO: 76/1986 KFAY: 77/2025
July 19: KGSO: 75/2016 KFAY: 77/2023

&&

.RAH WATCHES/WARNINGS/ADVISORIES...
Heat Advisory from 11 AM this morning to 9 PM EDT this evening
for NCZ008>011-024>028-040>043-073>078-083>086-088-089.

&&

$$

DISCUSSION...Badgett/Smith
AVIATION...Danco/Swiggett
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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