Marion

• Tonight

  48°low

  Partly Cloudy

  Partly cloudy, with a low around 48. North northeast wind around 1 mph.

  Wind NNE 1 mph

• Saturday

  66°high

  Mostly Cloudy

  Mostly cloudy, with a high near 66. Northeast wind around 3 mph.

  Wind NE 3 mph · 1% chance of precipitation

• Saturday Night

  46°low

  Cloudy

  Cloudy, with a low around 46. Northeast wind around 1 mph.

  Wind NE 1 mph · 1% chance of precipitation

• Sunday

  64°high

  Mostly Cloudy

  Mostly cloudy, with a high near 64. Northeast wind around 2 mph.

  Wind NE 2 mph · 2% chance of precipitation

• Sunday Night

  44°low

  Mostly Cloudy

  Mostly cloudy, with a low around 44. Wind around 0 mph.

  Wind 0 mph · 12% chance of precipitation

• Monday

  65°high

  Mostly Cloudy

  Mostly cloudy, with a high near 65.

  Wind NE 1 mph · 9% chance of precipitation

• Monday Night

  47°low

  Mostly Cloudy

  Mostly cloudy, with a low around 47.

  Wind 0 mph · 3% chance of precipitation

• Tuesday

  68°high

  Partly Sunny

  Partly sunny, with a high near 68.

  Wind ENE 2 mph · 13% chance of precipitation

• Tuesday Night

  52°low

  Chance Rain Showers

  A chance of rain showers after 7pm. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

  Wind NE 2 mph · 39% chance of precipitation

• Wednesday

  68°high

  Rain Showers Likely

  Rain showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

  Wind ENE 2 mph · 59% chance of precipitation

• Wednesday Night

  55°low

  Rain Showers Likely

  Rain showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

  Wind NE 1 mph · 67% chance of precipitation

• Thursday

  71°high

  Rain Showers Likely

  Rain showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.

  Wind SSE 2 mph · 67% chance of precipitation

• Thursday Night

  50°low

  Chance Rain Showers

  A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.

  Wind NW 2 mph · 51% chance of precipitation

• Friday

  70°high

  Slight Chance Rain Showers

  A slight chance of rain showers. Mostly sunny, with a high near 70.

  Wind NW 2 mph · 18% chance of precipitation

The reasoning behind the forecast, in the forecaster’s own words. In this region the elevation detail that never reaches a point forecast usually shows up here.

000
FXUS62 KGSP 302301
AFDGSP

Area Forecast Discussion
National Weather Service Greenville-Spartanburg SC
701 PM EDT Fri Oct 30 2026

.WHAT HAS CHANGED...
Updated the aviation discussion for the 00Z TAF issuance.

&&

.KEY MESSAGES...
1. Mostly dry through Tuesday before rain chances return middle
of next week as a low pressure system approaches out of the west.
2. Highs peak today before much cooler highs return this weekend
into early next week as cold air damming develops. Warmer highs
return by Thursday as the low pressure system erodes the wedge.

&&

.DISCUSSION...
Key message 1: Mostly dry through Tuesday before rain chances return 
middle of next week as a low pressure system approaches out of the 
west.

A backdoor cold front tracks across the GSP forecast area tonight 
into early Saturday morning but will mainly lead to an increase in 
wind speeds, with low-end gusts developing east of the mountains 
late tonight into Saturday morning. Outside of this, dry high 
pressure will be the dominate surface feature through early next 
week as the southern periphery of the high remains extended over the 
Carolinas. This surface ridge will act to shunt the bulk of the 
moisture west and south of the GSP forecast area Sunday through 
Tuesday. However, cannot entirely rule out some brief rain 
developing across the North Carolina mountains and northeast Georgia 
Sunday into Monday per the 12Z NAMNest, 12Z GFS, and 12Z NAM. The 
00Z Euro also shows some rain developing across these zones, but 
mainly Sunday into Sunday night. NBM slight chance PoPs across 
portions of the North Carolina mountains and extreme northeast 
Georgia look to follow the timing and coverage of the Euro for now. 

Better rain chances still look to return by the middle of next week, 
possibly lingering through early Friday, as a low pressure system 
approaches out of the west. However, confidence on exact timing 
remains low with global models still not in great agreement 
regarding the exact track/evolution of this system.


Key message 2: Highs peak today before much cooler highs return this 
weekend into early next week as cold air damming develops. Warmer 
highs return by Thursday as the low pressure system erodes the 
wedge.

High temperatures peak today, climbing into the upper 70s to lower 
80s in the mountain valleys and east of the mountains thanks to an 
upper ridge over the Southeast. Upper ridging gradually breaks down 
this weekend as a shortwave tracks across the Carolinas and northern 
Georgia. Meanwhile, at the surface, high pressure will center itself 
over the Northeast allowing cold air damming to develop Saturday 
into Sunday. The breaking down of the ridge combined with the 
development of cold air damming will allow much cooler high 
temperatures to return for the weekend. Highs should end up near to 
just above normal Saturday and near to just below normal Sunday. 
With no true erosion mechanism to scour out the wedge early next 
week, cold air damming should remain in locked in place. Thus, 
cooler highs should linger through at least Monday but may continue 
into Tuesday. Right now the NBM has above normal high temperatures 
returning by Tuesday but would not be surprised to see highs trend 
lower with future updates as the NBM accounts for the lingering 
wedge. Warmer high temperatures return mid to late week as the 
aforementioned low pressure system tracks across the region and 
finally scours out the wedge.

&&

.AVIATION /00Z SATURDAY THROUGH WEDNESDAY/...
At KCLT and elsewhere: Dry and VFR through the 00Z TAF period. A 
backdoor cold front brings increasing overnight into Saturday 
morning. Low end gusts look likely across for most of the terminals. 
KHKY and KAVL the exceptions. Outside of the mountains, wind speed 
increases from the NE behind the front with gusts developing near or 
shortly after daybreak. KAVL sees light N wind overnight become 
light SE after daybreak. BKN to occasionally OVC cirrus will 
continue through the period. Can't rule out some mountain valley fog 
in the typically more foggy Little TN Valley, but no fog expected at 
KAVL.

Outlook: Mostly dry and VFR through Tuesday. Cannot entirely rule 
out restrictions early next week but confidence is low. Otherwise, 
rain and associated restrictions should return middle of next week. 
With cloud cover expected this weekend into much of next week, 
mountain valley fog formation should remain limited.

&&

.GSP WATCHES/WARNINGS/ADVISORIES...
GA...None.
NC...None.
SC...None.

&&

$$

AR/RWH