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West Columbia, South Carolina 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for West Columbia SC
National Weather Service Forecast for: West Columbia SC
Issued by: National Weather Service Columbia, SC
Updated: 12:00 pm EDT Jul 17, 2025
 
This
Afternoon
This Afternoon: Isolated showers and thunderstorms after 2pm.  Mostly sunny, with a high near 93. Heat index values as high as 102. Southwest wind around 7 mph.  Chance of precipitation is 20%.
Isolated
T-storms
Tonight

Tonight: Mostly clear, with a low around 75. South wind around 5 mph.
Mostly Clear

Friday

Friday: A chance of showers and thunderstorms after 2pm.  Increasing clouds and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming west 5 to 7 mph in the morning.  Chance of precipitation is 30%.
Sunny then
Chance
T-storms
Friday
Night
Friday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.
Chance
T-storms then
Mostly Clear
Saturday

Saturday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 98. West wind 3 to 7 mph.  Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 77. Chance of precipitation is 20%.
Slight Chance
T-storms
Sunday

Sunday: A chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 98. Chance of precipitation is 30%.
Sunny then
Chance
T-storms
Sunday
Night
Sunday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Chance
T-storms then
Partly Cloudy
Monday

Monday: Showers and thunderstorms likely after 2pm.  Mostly sunny and hot, with a high near 97. Chance of precipitation is 60%.
Mostly Sunny
then T-storms
Likely
Hi 93 °F Lo 75 °F Hi 97 °F Lo 77 °F Hi 98 °F Lo 77 °F Hi 98 °F Lo 76 °F Hi 97 °F

 

This Afternoon
 
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Southwest wind around 7 mph. Chance of precipitation is 20%.
Tonight
 
Mostly clear, with a low around 75. South wind around 5 mph.
Friday
 
A chance of showers and thunderstorms after 2pm. Increasing clouds and hot, with a high near 97. Heat index values as high as 104. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 30%.
Friday Night
 
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
 
A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. West wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday Night
 
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. Chance of precipitation is 20%.
Sunday
 
A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 98. Chance of precipitation is 30%.
Sunday Night
 
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Monday
 
Showers and thunderstorms likely after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 60%.
Monday Night
 
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Tuesday
 
Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Tuesday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Wednesday
 
A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for West Columbia SC.

Weather Forecast Discussion
645
FXUS62 KCAE 171456
AFDCAE

Area Forecast Discussion
National Weather Service Columbia SC
1056 AM EDT Thu Jul 17 2025

.SYNOPSIS...
Upper level ridging returns for the remainder of the week and
this weekend. This will allow for above normal temperatures,
muggy conditions, and isolated to scattered showers and storms
each afternoon.

&&

.NEAR TERM /THROUGH TONIGHT/...
Key Message(s):

- Above normal temperatures with isolated showers/storms

Ridging builds over the area today which will largely suppress
convective development and allow temperatures a few degrees
warmer than the past few days. Subsidence beneath the ridge
favors a mainly dry forecast with just a few isolated showers or
thunderstorms possible in the afternoon. The HREF shows the
lowest convective coverage in the past few days adding
confidence to the forecast. Highs will be in the mid 90s.
Afternoon dewpoints will likely drop to the low 70s or lower
despite NBM forecast values of the mid to upper 70s. This will
keep Heat Index values around or just over 100, below advisory
criteria.

&&

.SHORT TERM /FRIDAY THROUGH SATURDAY NIGHT/...
Key message(s):

- Isolated to scattered showers/storms each afternoon.

- Temperatures begin to warm to round out the week and for the
  start of the weekend with heat indices exceeding 100F.

Upper ridging and weak surface high pressure begin to slowly
slide into the region from the east during the short term
period, bringing a warming trend to end the week and for the
start of the weekend. 850mb and 700mb temperatures approach the
NAEFS 90th percentile by Saturday while low level flow generally
remains out of the southwest each day. This should allow
temperatures to reach into the mid to upper 90s each day with
heat indices likely exceeding 100F, though they are expected to
remain just below Heat Advisory criteria at this with Saturday
being the most likely day to near it. PWAT`s remain near
climatological average Friday before slightly increasing into
Saturday as the periphery of the upper ridge begins to slowly
advect deeper Gulf moisture into the Southeast. Some lingering
possible subsidence as seen in forecast soundings may limit
convective coverage Friday afternoon to be a bit more isolated
with MLCAPE being around 1000 J/kg, but moisture that will be
slowly increasing could yield convection that is a bit more
scattered Saturday afternoon and evening with similar
instability parameters.

&&

.LONG TERM /SUNDAY THROUGH WEDNESDAY/...
Key message(s):

- Hot and muggy conditions to end the weekend and to start the
  week.

- Scattered convection is expected Sunday before increased
  coverage will be possible during the early week.

The main change into the extended is that the upper ridge will
become a bit more suppressed and displaced toward the west than
previously shown Sunday through Tuesday as a upper trough slides
into the Great Lakes region and down into the Mid Atlantic. The upper
ridge will help continue to advect deep Gulf moisture from the
remnants of the low currently riding along the Gulf Coast into the
Southeast, raising PWAT`s to between 120-130% of normal as shown in
both of the EC Ensemble and GEFS mean solutions. This should bring
more scattered chances for mainly diurnal showers/storms Sunday but
increased PoP`s then seem reasonable both Monday and Tuesday as the
upper trough may reach near the northern FA and some shortwave
energy may work its way in. There is some indication also that a
diffuse frontal boundary could near the area by Monday afternoon,
possibly lingering into Tuesday. Weak upper ridging and surface high
pressure then look to work in for the mid-week, bringing more
typical diurnal convection.

The bigger story Sunday and Monday is continued hot/humid
conditions with above normal temperatures and heat indices that
could possibly near Heat Advisory criteria each day. The biggest
limitation on this, especially Monday, is the coverage of
convection may limit afternoon temperatures and thus this will
continue to be monitored. Temperatures are then expected to
return to more seasonable levels into the mid week.

&&

.AVIATION /15Z THURSDAY THROUGH MONDAY/...
Mainly VFR Conditions Through the Period

15Z Update: Certain TAF sites have briefly dropped into MVFR
ceilings this morning due to BKN ceilings around 2000 feet.
Added a TEMPO to all sites for the next few hours to account for
this. Cloud bases should lift into the VFR range by 18Z. No
other significant changes made to the forecasts.

Previous Forecast: Expect S/SSW winds through the day around
the same speeds as the previous day. Ridging aloft will work to
suppress convective development today. CAMs show lower storm
coverage than the past few days. Therefore we have kept any
mention of showers/storms out of the TAFs for the time being.
Light S winds may stay up into the evening going calm late
tonight.

EXTENDED AVIATION OUTLOOK...Typical seasonal restrictions
continue with daily convection and patchy early morning
fog/stratus possible through Sunday. Rain chances increase early
next week ahead of an approaching surface boundary.

&&

.CAE WATCHES/WARNINGS/ADVISORIES...
SC...None.
GA...None.

&&

$$
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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