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Matthews, North Carolina 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Matthews NC
National Weather Service Forecast for: Matthews NC
Issued by: National Weather Service Greenville-Spartanburg, SC
Updated: 6:45 pm EDT Jul 27, 2025
 
Overnight

Overnight: Mostly clear, with a low around 77. Calm wind.
Mostly Clear

Monday

Monday: A 30 percent chance of showers after 4pm.  Increasing clouds and hot, with a high near 99. Heat index values as high as 107. North wind around 6 mph.
Sunny then
Chance
Showers
Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall.  Partly cloudy, with a low around 76. Calm wind.  New rainfall amounts between a half and three quarters of an inch possible.
Heavy Rain

Tuesday

Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming east northeast around 5 mph in the afternoon.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
Tuesday
Night
Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 75. Light and variable wind.
Chance
T-storms
Wednesday

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 94. Chance of precipitation is 30%.
Partly Sunny
then Chance
T-storms
Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 76.
Chance
T-storms
Thursday

Thursday: A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Mostly Sunny
then Chance
T-storms
Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am.  Mostly cloudy, with a low around 74. Chance of precipitation is 50%.
Chance
T-storms
Lo 77 °F Hi 99 °F Lo 76 °F Hi 95 °F Lo 75 °F Hi 94 °F Lo 76 °F Hi 94 °F Lo 74 °F

Hazardous Weather Outlook
Heat Advisory
Heat Advisory
 

Overnight
 
Mostly clear, with a low around 77. Calm wind.
Monday
 
A 30 percent chance of showers after 4pm. Increasing clouds and hot, with a high near 99. Heat index values as high as 107. North wind around 6 mph.
Monday Night
 
A 30 percent chance of showers and thunderstorms, mainly before 2am. Some of the storms could produce heavy rainfall. Partly cloudy, with a low around 76. Calm wind. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
 
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming east northeast around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 75. Light and variable wind.
Wednesday
 
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94. Chance of precipitation is 30%.
Wednesday Night
 
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76.
Thursday
 
A chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 40%.
Thursday Night
 
A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 4am. Mostly cloudy, with a low around 74. Chance of precipitation is 50%.
Friday
 
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Friday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Saturday
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Saturday Night
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
 
A 30 percent chance of showers. Partly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Matthews NC.

Weather Forecast Discussion
074
FXUS62 KGSP 272317
AFDGSP

Area Forecast Discussion
National Weather Service Greenville-Spartanburg SC
717 PM EDT Sun Jul 27 2025

.SYNOPSIS...
Oppressive heat and humidity linger into Thursday with dangerous
heat indices each afternoon, mainly east of the mountains. Isolated
to widely scattered showers and thunderstorms are expected through
Wednesday, except in the North Carolina mountains, where coverage
will be better. A cold front will boost shower and thunderstorm
chances towards the end of the workweek as well as bring much needed
relief from the heat this weekend with cooler and below normal
temperatures developing behind the front.

&&

.NEAR TERM /THROUGH MONDAY/...
As of 715 PM Sunday: Convection remains isolated...mainly across the
mountains and the CLT Metro...this evening. CAMs show the CLT and
mountain convection lingering through the evening...so have adjusted
PoP to reflect this. Can`t rule out a strong to severe storm with a
microburst over the CLT Metro...but overall chance is low. Very warm
low temps look on track.

Otherwise...sprawling upper anticyclone...currently centered over
southeast Georgia...while continue to steadily retrograde during the
near term...and is forecast to be centered over the lower Miss
Valley by Monday. Another very warm and muggy night, with min temps
in the mid/upper 70s expected across much of the Piedmont and
foothills.

With the anticyclone becoming less influential over our area,
Monday is expected to be slightly less hot and also a little more
convectively active, with convection-allowing guidance supporting
PoPs of 30-50% across much of the amounts, and 30% elsewhere. Robust
instability and higher coverage of thunderstorms should spell a
slight increase in the potential for a few strong-to-severe storms
producing microbursts. Max temps are again forecast to be around
the century mark for much of the Piedmont, but again...a degree or
so cooler than today. Depending upon how early deep convection is
able to initiate...outflows could end up shaving another degree
or so off the heat. All things considered, the Heat Advisory for
Monday appears to be well-placed, and no adjustments are planned.

&&

.SHORT TERM /MONDAY NIGHT THROUGH WEDNESDAY/...
As of 100 PM EDT Sunday...

Key Messages:

1) Heat Wave Continues with Heat Advisory Criteria Possible Each
Afternoon East of the Mountains

2) Heat Index Values from 100 to 109+ Degrees F During Peak Heating
Each Day East of the Mountains

3) Diurnal Shower and Thunderstorm Chances Continue Upward Trend
through the Short Term

The large, hot upper anticyclone remains centered over the south-
central US through Tuesday night with the eastern periphery
extending over the Southeast before gradually breaking down on
Wednesday. This will keep the oppressive heat and humidity around
through the short term, especially on Tuesday. Remember to limit
strenuous outdoor activities from 11 AM to 8 PM each day, stay
hydrated, never leave people or pets unattended in a locked car
(look before you lock!), and make sure to check on those more
vulnerable to the heat (elderly, sick, and those without access to
AC). If you have to work outside take frequent breaks in the shade,
stay hydrated, and monitor for signs of heat illness.

Heat indices east of the mountains will range from 100-109+ degrees
F each afternoon and early evening. Thus, additional Heat Advisories
will likely be needed for locations east of the Mountains Tuesday
and Wednesday. Most areas east of the mountains should reach Heat
Advisory criteria (105-109 degrees F) during peak heating Tuesday,
with the Upper Savannah River Valley possibly flirting with Extreme
Heat Warning Criteria (110+ degrees F). However, with global model
guidance and the NBM showing an uptick in coverage for convection on
Tuesday, this may keep Extreme Heat Warning criteria at bay. Both
the heat and humidity will decrease slightly on Wednesday as the
anticylcone breaks down. However, it will still be another hot and
muggy day with heat indices ranging from 100-105+ degrees east of
the mountains. A Heat Advisory may be needed for the Upper Savannah
River Valley and areas along/near I-77 Wednesday afternoon and early
evening but coverage of convection may limit this potential somewhat
as both global model guidance and the NBM show an uptick in coverage
again on Wednesday. The latest NBM has the highest PoPs confined to
the western half of the forecast area through the short term. Any
severe threat should remain low with any storms that develop.
However, a few strong, sub-severe storms will be possible each
afternoon/evening.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH SUNDAY/...
As of 100 PM EDT Sunday...

Key Messages:

1) Heat Wave Lingers through Thursday with Heat Advisory Criteria
Possibly Returning for Some Locations East of the Mountains

2) Much Cooler and Below Normal Highs Return Behind a Cold Front
Friday into the Weekend to Kick Off August

3) Shower and Thunderstorm Chances Continue Ramping Up through the
First Half of the Weekend Thanks to the Cold Front

Upper ridging gets shunted south of the forecast area by a potent
upper trough digging across the Northeastern US through the forecast
period. At the sfc, a cold front will approach out of the north
throughout the day Thursday before pushing across the forecast area
late Thursday into Friday. Cold air damming will develop behind the
departing front over the weekend as sfc high pressure builds over
the Northeast. This pattern will allow for one last hot and muggy
day on Thursday before much cooler temperatures develop behind the
front Friday into the weekend, bringing much needed relief from the
heat and humidity.

Heat index values on Thursday have the potential to reach Heat
Advisory criteria (which starts at 105 degrees F) during peak
heating, mainly along/near I-77 and across the Upper Savannah River
Valley. However, confidence remains low at this time as the NBM and
global model guidance continue trending wetter. Thus, higher
coverage of convection would prevent these locations from reaching
advisory criteria. The good news is that Thursday will be the last
day of the heat wave as much cooler temperatures will develop behind
the cold front the rest of the period. We finally get some sweet
relief from the heat and humidity starting Friday but don`t fret,
the relief will linger through the weekend! It will be a refreshing
start to August (after a miserably hot end to July) with highs on
Friday dipping down to a few degrees below normal, becoming several
degrees below normal this weekend as cold air damming develops.
Highs east of the mountains will struggle to get out of the upper
70s to lower 80s over the weekend. Lows will dip into the 50s and
60s area-wide starting Saturday night. What a treat for early
August! As for shower and thunderstorm chances this weekend, both
the NBM and global model guidance continue their upward trend of
PoPs. So, for those of us who have struggling lawns and gardens,
this is more good news as portions of the forecast area (mainly the
SC Upstate) are in abnormally dry conditions per the latest US
drought monitor. Any severe potential with the front will remain
very low, if any as thick cloud cover and cold air damming will
limit destabilization.

&&

.AVIATION /23Z SUNDAY THROUGH FRIDAY/...
At KCLT and elsewhere: Convection remains isolated but is picking up
near KCLT...which is in line with the latest CAMs. Have removed from
all but KCLT where a PROB30 for TSRA remains in place into the
evening. Cumulus will dissipate this evening but some convective
debris may linger overnight. Mountain valley fog/low stratus
expected after midnight, but restrictions will again be most likely
in the valleys west of KAVL...so no mention there at this time. A
better overall chance of diurnal convection Monday...so PROB30s have
been introduced at all sites. N to NW wind...W at KAND...will become
light and variable overnight. Winds pick back up from the N to NW on
Monday...becoming W at KAND for the afternoon.

Outlook: More convectively active weather is expected to continue
thru the workweek, with numerous to widespread diurnal convection in
the mountains, and scattered to numerous convection in the Piedmont,
especially later in the week. Low stratus and/or fog will be
possible each morning...mainly in the mtn valleys.

&&

.CLIMATE...
RECORDS FOR 07-28

               MAX TEMPERATURE         MIN TEMPERATURE
  STATION      HIGH        LOW         HIGH        LOW
  -------  ----------  ----------  ----------  ----------
   KAVL      98 1952     68 1890     70 2010     53 1895
                                        1878
                                        1877
   KCLT     102 1952     70 1890     78 2016     54 1962
   KGSP     103 1952     72 1926     76 2016     60 1911
                                        1936        1904



RECORDS FOR 07-29

               MAX TEMPERATURE         MIN TEMPERATURE
  STATION      HIGH        LOW         HIGH        LOW
  -------  ----------  ----------  ----------  ----------
   KAVL      98 1952     67 1984     74 1877     55 1911
                                                    1895
   KCLT     103 1952     72 1984     77 1993     59 1920
   KGSP     104 1952     70 1984     76 1949     59 1911
                                        1936



RECORDS FOR 07-30

               MAX TEMPERATURE         MIN TEMPERATURE
  STATION      HIGH        LOW         HIGH        LOW
  -------  ----------  ----------  ----------  ----------
   KAVL      93 1954     68 1936     72 2011     54 2014
                                        1878        1897
                                                    1895
   KCLT     101 2011     71 1981     77 1953     58 1914
                                        1941
   KGSP     101 1999     73 1981     77 2011     60 1914
                                                    1911
                                                    1884



RECORDS FOR 07-31

               MAX TEMPERATURE         MIN TEMPERATURE
  STATION      HIGH        LOW         HIGH        LOW
  -------  ----------  ----------  ----------  ----------
   KAVL      95 1999     65 1936     71 2011     53 1986
                                                    1914
   KCLT     100 1999     69 1936     77 1941     56 1914
                1931                    1931
                1915
   KGSP     104 1999     71 2014     78 1999     56 1936
                                        1931

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...Heat Advisory until 2 AM EDT Monday for GAZ018-026-028-029.
     Heat Advisory from noon to 8 PM EDT Monday for GAZ018-026-028-
     029.
NC...Heat Advisory until 2 AM EDT Monday for NCZ035>037-056-057-
     068>072-082-502-504-506-508-510.
     Heat Advisory from noon to 8 PM EDT Monday for NCZ035>037-056-
     057-068>072-082-508-510.
SC...Heat Advisory until 2 AM EDT Monday for SCZ008>014-019-104>109.
     Heat Advisory from noon to 8 PM EDT Monday for SCZ008>014-019-
     104>109.

&&

$$

SYNOPSIS...AR
NEAR TERM...JDL/RWH
SHORT TERM...AR
LONG TERM...AR
AVIATION...RWH
CLIMATE...
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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