Roanoke, Virginia 7 Day Weather Forecast

Wx Forecast - Wx Discussion - Wx Aviation

220
FXUS61 KRNK 201736
AFDRNK

Area Forecast Discussion
National Weather Service Blacksburg VA
1236 PM EST Sat Dec 20 2025

.SYNOPSIS...
A cold front crosses the area Sunday, bring cooler temperatures
and some brisk winds. Another weak disturbance may bring light
precipitation into the region Monday night into Tuesday.
Overall, mainly dry conditions are expected for the next several
days with temperatures trending above normal.

&&

.NEAR TERM /THROUGH SUNDAY/...
As of 1220 PM EST Saturday...

Key Message:

- Dry, but more brisk Sunday.

Upper level westerly flow dominates through Sunday morning. A
front and associated shortwave will bring cooler temperatures
Sunday along with gusty winds and a patch of mid and high
clouds.

Tonight, expect temperatures in the upper 20s to mid
30s. Highs Sunday will be in the 40s in the mountains, to lower
to mid 50s east.

Confidence is high in the near term forecast.

&&

.SHORT TERM /SUNDAY NIGHT THROUGH TUESDAY NIGHT/...
As of 1220 PM EST Saturday...

Key Message:

1. Quick shot of light precipitation Monday night into Tuesday
as a weather system passes primarily north of the region.

Flow aloft will stay out of the west/northwest. A low pressure
system tracks across the upper Midwest/Great Lakes, while a
warm front moves across the central Appalachians. Depending on
how quickly temps fall Monday night before clouds roll in, will
determine ptype with this system. Warm nose looks pretty healthy
and overall, precip amounts with this system will be light.
Expecting rain for most but some light freezing rain over the
Greenbrier/Alleghany VA highlands early Tuesday morning before
changing to rain and ending Tuesday.

Cold front pushes through by midday/early afternoon Tuesday with
lingering rain showers in the mountains into Tuesday evening.

Temperatures through this portion of the forecast are expected
to be around or slightly above normal.

Confidence in this portion of the forecast is moderate on timing
of precipitation, low to moderate on the occurrence/location
of freezing rain Monday night, and moderate to high on the
expected temperature trends.

&&

.LONG TERM /WEDNESDAY THROUGH SATURDAY/...
As of 1200 PM EST Saturday...

Key Messages:

1. Dry Wednesday, chances for rain for the mountains through the end
of the week and into the weekend.

2. Temperatures 15 to 20 degrees above normal through the period.

A large 500mb ridge sets up over the south central US by the middle
of the week, and strengthens as the center moves into the Gulf. Bits
of shortwave energy will ride along the periphery of the ridge
through the end of the week, bringing chances for rain to the area,
highest along and west of the Blue Ridge. With the lack of strong
forcing, not seeing much potential for widespread wetting rain.
Initial forecasts for QPF are up to a quarter inch in southeast WV,
quickly tapering to near zero for the Piedmont and Southside. NBM
probabilities of 72 hour precipitation amounts through next Saturday
morning range from 80% in western Greenbrier County to 10% in parts
of the NC Piedmont. Temperatures remain above freezing, and so
precipitation will all be rain.

Bigger story through the period will be the well above normal
temperatures for the long term forecast period. High confidence
there will not be a white Christmas this year, as afternoon highs
that day reaching the mid 60s in the Piedmont and mid to upper 50s
in the mountains. The ridge starts to flatten towards the weekend as
a trough dips down into the eastern US and brings a cold front
towards the area. Timing is uncertain with this system, so larger
spread in forecast high temperatures for Saturday.

&&

.AVIATION /18Z SATURDAY THROUGH THURSDAY/...
As of 1230 PM EST Saturday...

VFR conditions are expected through the period. Some low level
wind shear possible late tonight.

.EXTENDED AVIATION OUTLOOK...

A weak cold front Sunday may bring a changing wind shift to less
SSW and more NNW. Could see some sub-VFR cigs/vsbys especially
mountains late Monday night-Tuesday with mainly rain, possibly
period of FZRA at LWB 06-12z Tuesday. Mainly VFR Tue afternoon-
Wed. A few showers in the mountains Christmas Day, may bring
sub-VFR.

&&

.RNK WATCHES/WARNINGS/ADVISORIES...
VA...None.
NC...None.
WV...None.

&&

$$

SYNOPSIS...SH/WP
NEAR TERM...SH/WP
SHORT TERM...DS/WP
LONG TERM...AS
AVIATION...BMG/WP