Latest PA Weather Summary:
602
AWUS81 KCTP 210905
RWSCTP
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-212315-
Regional Weather Summary
National Weather Service State College PA
405 AM EST Fri Nov 21 2025
A cold front over the central Great Lakes will move south of the
Keystone state on Saturday. Some showers will be possible later
today into Saturday morning, as a weak low forms on the front and
lifts northeast.
Weak high pressure will build into the area during the day on
Saturday, resulting in mainly dry conditions for the remainder of
the weekend.
High temperatures this afternoon will range from the upper 40s
across the north, to the lower to mid 50s across the south.
Lows tonight will range from the upper 20s to mid 30s across the
north, to the lower 40s across the south. Highs Saturday will
range from near 40 degrees across the northern tier to the lower
50s across the south central and southeast.
Milder temperatures will be possible by the middle of next week.
$$
Martin
Latest Forecaster's Discussion:
921
FXUS61 KCTP 211205
AFDCTP
Area Forecast Discussion
National Weather Service State College PA
705 AM EST Fri Nov 21 2025
.SYNOPSIS...
* Mostly cloudy to overcast skies continue today through
Saturday morning.
* A period of light rain lasting about 6 hours late today
and tonight and focused mainly over the southern half
to two thirds of Pennsylvania night, precedes a
drying trend with more sunshine over the weekend
* Mild pattern with rain prior to Thanksgiving turns
decidedly colder with temperatures below average by
next weekend
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
Two fairly weak upper-level short waves in the Northern and
Southern streams will move across the NE US and Ohio
Valley/Central Appalachians - out of phase - today and tonight.
The Northern short wave will be in the lead supporting a few
scattered light showers along and ahead of its associated weak
cold front. The southern stream wave will have the greatest
impact on our CWA precip-wise (Mainly over the southern half to
two thirds of PA) as an approx 5-8 hour period of weak to MDT
uvvel linked to the thermally indirect, left exit region of an
upper level jet late today and tonight. Forecast rainfall from
AOB 0.10 inch near the I-80 corridor to between 2 and 3 tenths
of an inch near and south of the PA Turnpike looks good at this
point. Many locations across the northern mountains could escape
the next 24 hour with very little or no measurable rainfall.
Thick, layered cloud cover covered all of the CWA early today
which will minimize any further temp drop early today,
considering a light south to southwest breeze and T/Td spreads
of generally 3 deg F or less.
Previous discussion pertaining to low clouds and fog on the
Western high terrain...
Drizzle is falling here and there, mainly in the SW quarter of
the CWA right now. Forcing is so weak that it is tough to pick
out the mechanism generating it. However, the NAM does have a
bead on it, and slides the light QPF it makes to the east slowly
tonight. Have added areas of DZ and FG to most of the area. The
conditions may get worse overnight (vsby) but they won`t get
any better. We will consider a dense fog advy if the vsby creeps
lower than the ridge tops. Thankfully, unlike last night, the
temps and dewpoints are above freezing and no black ice/freezing
fog is expected to form. Temps will waggle within a couple of
degrees of current, and may even rise a tiny bit in some places.
High temps today will rebound by 5-10F, reaching the 45-55F
range respectively from North to South across the state.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM SATURDAY/...
Lead upper level wave in the northern stream of the split flow
will move from the Glakes to the new England states today,
pushing a weak cold front SE across PA late today (north) and
tonight across Central and Southern PA.
Prior to this frontal passage the southern half to 2/3rds of PA
will see light rain - beginning in SW PA/Laurel Highlands late
today/this evening, before spread ENE between 04Z and 13Z
Saturday. The period of rainfall in any one location should be
about 7-8 hours.
Some pockets of mixed precip may be possible on the northern
edge of the precip by early Saturday morning, but the southward
suppression of QPF would render this precipitation type
uncertainty a moot point.
&&
.LONG TERM /SATURDAY NIGHT THROUGH THURSDAY/...
Somewhat zonal pattern will start the medium range period with
the southern branch of the jet stream extending from northern
Mexico ENE across the Gulf Coast States as a slow moving Upper
Low drifts across northern Baja California. Several pieces of
energy diving SE from NW Canada, combined with a potent upper
level trough crashing into the Wash/Oregon Coast, will amplify
the flow across N American and the mean trough over the NE U.S.
Saturday night into early next week.
Drying trend expected over the weekend behind the cold frontal
passage. Upper level trough pivoting through the Great Lakes may
deliver some rain/snow showers to the northern tier on Sunday.
On balance, it should be a quiet weekend with temps remaining
close to the historical average. We`ll see much more sunshine
later Saturday through Monday, which will be a welcome change.
Sunday morning is the coldest morning of the week ahead, with
partly cloudy skies supporting lows in the 20s.
A reinforcing shot of cold air will push south across PA late
Sunday/Sunday night as a rather compact but potent shortwave
moves SE from the Glakes. A brief shower of rain (south) and a
few rain/snow showers (North) could occur with this frontal
boundary.
The 2 aforementioned storms (the upper troughs over Nrn Mexico
and the NW U.S.) will move to the NE/E respectively and merge
across the Nrn Plains states as 500 mb heights/flow at that
level back about 30-45 deg to a more swrly direction across the
NE US and Ohio/Tennessee Valleys.
This storm system will eventually move through the eastern US
toward the middle of next week. While the exact timing remains
uncertain (typical fast/low biases evident in the GFS/ECMWF), a
period of rain appears most likely in the Tuesday or Wednesday
time frame ahead of the next split stream system tracking
eastward from the Central U.S. Temperatures will be mild as the
main slug of moisture moves through, with rain as the
predominant precipitation type. Colder air wrapping around the
system could produce some snow showers in the northwest
mountains late in the week. By next week, ensemble model data
continues to advertise a pattern shift toward colder/below
average temperatures after Thanksgiving.
&&
.AVIATION /12Z FRIDAY THROUGH TUESDAY/...
No big changes in store for the 12Z TAF package.
Conditions have been up and down all night. I would expect
conditions to do the same over the next few hours.
Earlier discussion below.
Low clouds and fog will prevail much of the time overnight into
Friday morning or early aft.
Sites that can keep a bit of a breeze like JST will have the
best chance of not having as much fog.
Some showers with the cold front, but overall not much on
Friday.
A fast moving wave is likely to form along the cold front.
This wave may bring some more rain to the area Friday night,
mainly across the southern part of PA.
Outlook...
Sat...Improvement to VFR at most terminals. Fog may return Sat
night.
Sun-Mon...Mainly VFR.
Tue...Restrictions in widespread rain possible.
&&
.CTP WATCHES/WARNINGS/ADVISORIES...
None.
&&
$$
SYNOPSIS...Lambert
NEAR TERM...Lambert/Dangelo
SHORT TERM...Lambert/Steinbugl
LONG TERM...Lambert/Steinbugl/Banghoff
AVIATION...Martin
Latest Public Information Statement:
559
NOUS41 KCTP 191632
PNSCTP
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053-056>059-
063>066-200432-
Public Information Statement
National Weather Service State College PA
1132 AM EST Wed Nov 19 2025
...SNOWFALL REPORTS...
Location Amount Time/Date Provider
...Pennsylvania...
...Blair County...
Tyrone 1.0 NNW 0.5 in 0700 AM 11/19 COCORAHS
Altoona 1.0 NNE T in 0800 AM 11/19 COCORAHS
...Centre County...
Boalsburg 0.4 E 3.0 in 0715 AM 11/19 COCORAHS
Boalsburg 1.2 ENE 1.8 in 0700 AM 11/19 COCORAHS
State College 1.3 SW 1.7 in 0700 AM 11/19 COCORAHS
State College 0.4 SE 1.5 in 0800 AM 11/19 COCORAHS
State College 2.6 NW 1.5 in 0700 AM 11/19 COCORAHS
State College 1.4 in 0800 AM 11/19 COOP
Port Matilda 2.2 ESE 1.3 in 0700 AM 11/19 COCORAHS
State College 2.4 ENE 1.2 in 0900 AM 11/19 COCORAHS
Philipsburg 1.2 in 0700 AM 11/19 COOP
Bellefonte 4.3 E 1.0 in 0800 AM 11/19 COCORAHS
Pleasant Gap 0.7 NW 0.9 in 0700 AM 11/19 COCORAHS
Bellefonte 7.1 ENE 0.5 in 0730 AM 11/19 COCORAHS
Unionville 1.4 NNE T in 0800 AM 11/19 COCORAHS
...Clearfield County...
Smithmill 0.1 NNE 0.2 in 0800 AM 11/19 COCORAHS
DuBois 2.7 S T in 0700 AM 11/19 COCORAHS
...Huntingdon County...
Tyrone 4.7 ENE 1.0 in 0700 AM 11/19 COCORAHS
Tyrone 4.7 ENE 1.0 in 0800 AM 11/19 COCORAHS
Huntingdon 1.3 N 0.4 in 0700 AM 11/19 COCORAHS
...Lebanon County...
Lebanon 1.3 SW T in 0725 AM 11/19 COCORAHS
Palmyra 2.1 S T in 0700 AM 11/19 COCORAHS
Lebanon 4.8 N T in 0600 AM 11/19 COCORAHS
...Lycoming County...
Williamsport 2.0 NE T in 0700 AM 11/19 COCORAHS
...Northumberland County...
Milton 2.0 S T in 0800 AM 11/19 COCORAHS
...Potter County...
0.6 E Galeton 0.3 in 0800 AM 11/19 COOP
Roulette 1.8 NNE T in 0700 AM 11/19 COCORAHS
...Schuylkill County...
1.4 N Mahanoy City 0.1 in 0700 AM 11/19 COOP
Tremont 0.3 NNW T in 0730 AM 11/19 COCORAHS
...Snyder County...
Selinsgrove 2.6 WNW 0.4 in 0700 AM 11/19 COCORAHS
...Somerset County...
Somerset T in 0800 AM 11/19 COOP
...Sullivan County...
Laporte 0.6 in 0455 AM 11/19 COOP
...Tioga County...
Covington 2 WSW T in 0400 AM 11/19 COOP
Westfield 2.4 W T in 0700 AM 11/19 COCORAHS
...Union County...
Lewisburg T in 0700 AM 11/19 COOP
&&
**METADATA**
:11/19/2025,0800 AM, PA, Blair, Altoona 1.0 NNE, , , 40.52, -78.3906, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Blair, Tyrone 1.0 NNW, , , 40.6901, -78.2541, SNOW, 0.5, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0800 AM, PA, Centre, Unionville 1.4 NNE, , , 40.9257, -77.8693, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0730 AM, PA, Centre, Bellefonte 7.1 ENE, , , 40.9557, -77.6447, SNOW, 0.5, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Centre, Pleasant Gap 0.7 NW, , , 40.8727, -77.7466, SNOW, 0.9, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0800 AM, PA, Centre, Bellefonte 4.3 E, , , 40.9249, -77.6869, SNOW, 1, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0900 AM, PA, Centre, State College 2.4 ENE, , , 40.8067, -77.8167, SNOW, 1.2, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Centre, Philipsburg, , , 40.8722, -78.2153, SNOW, 1.2, Inch, COOP, Storm total snowfall,
:11/19/2025,0700 AM, PA, Centre, Port Matilda 2.2 ESE, , , 40.7912, -78.0118, SNOW, 1.3, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0800 AM, PA, Centre, State College, , , 40.7935, -77.8672, SNOW, 1.4, Inch, COOP, Storm total snowfall,
:11/19/2025,0800 AM, PA, Centre, State College 0.4 SE, , , 40.7865, -77.8524, SNOW, 1.5, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Centre, State College 2.6 NW, , , 40.8162, -77.8954, SNOW, 1.5, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Centre, State College 1.3 SW, , , 40.7801, -77.8783, SNOW, 1.7, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Centre, Boalsburg 1.2 ENE, , , 40.7814, -77.7707, SNOW, 1.8, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0715 AM, PA, Centre, Boalsburg 0.4 E, , , 40.7736, -77.7847, SNOW, 3, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Clearfield, DuBois 2.7 S, , , 41.0842, -78.7467, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0800 AM, PA, Clearfield, Smithmill 0.1 NNE, , , 40.7615, -78.4192, SNOW, 0.2, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Huntingdon, Huntingdon 1.3 N, , , 40.5152, -78.0151, SNOW, 0.4, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Huntingdon, Tyrone 4.7 ENE, , , 40.6946, -78.1592, SNOW, 1, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0800 AM, PA, Huntingdon, Tyrone 4.7 ENE, , , 40.6946, -78.1592, SNOW, 1, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0725 AM, PA, Lebanon, Lebanon 1.3 SW, , , 40.3297, -76.4416, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Lebanon, Palmyra 2.1 S, , , 40.2798, -76.5992, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0600 AM, PA, Lebanon, Lebanon 4.8 N, , , 40.4099, -76.4158, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Lycoming, Williamsport 2.0 NE, , , 41.2571, -77.0085, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0800 AM, PA, Northumberland, Milton 2.0 S, , , 40.9795, -76.8534, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Potter, Roulette 1.8 NNE, , , 41.8076, -78.1414, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0800 AM, PA, Potter, 0.6 E Galeton, , , 41.7333, -77.6333, SNOW, 0.3, Inch, COOP, Storm total snowfall,
:11/19/2025,0730 AM, PA, Schuylkill, Tremont 0.3 NNW, , , 40.6338, -76.3937, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Schuylkill, 1.4 N Mahanoy City, , , 40.8333, -76.1333, SNOW, 0.1, Inch, COOP, Storm total snowfall,
:11/19/2025,0700 AM, PA, Snyder, Selinsgrove 2.6 WNW, , , 40.8173, -76.9097, SNOW, 0.4, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0800 AM, PA, Somerset, Somerset, , , 40, -79.0833, SNOW, 0.001, Inch, COOP, Storm total snowfall,
:11/19/2025,0455 AM, PA, Sullivan, Laporte, , , 41.4247, -76.4925, SNOW, 0.6, Inch, COOP, Storm total snowfall,
:11/19/2025,0400 AM, PA, Tioga, Covington 2 WSW, , , 41.7333, -77.1167, SNOW, 0.001, Inch, COOP, Storm total snowfall,
:11/19/2025,0700 AM, PA, Tioga, Westfield 2.4 W, , , 41.9131, -77.5861, SNOW, 0.001, Inch, COCORAHS, Storm total snowfall,
:11/19/2025,0700 AM, PA, Union, Lewisburg, , , 40.9486, -76.8783, SNOW, 0.001, Inch, COOP, Storm total snowfall,
Observations are collected from a variety of sources with varying
equipment and exposures. We thank all volunteer weather observers
for their dedication. Not all data listed are considered official.
$$
Martin
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