WEEKEND WEATHER FORECAST — #Philadelphia #weather #PAwx #PhillyWx

A weak cold front moves through Friday night. Rain associated with this weak front exits before daybreak Saturday. Following a warm-up on Sunday, another stronger cold front moves through Sunday evening with more showers and possibly some thunderstorms. .. https://theweatherguy.net/blog/?p=26480

#CTP #PAwx 751
FXUS61 KCTP 202345
AFDCTP

Area Forecast Discussion
National Weather Service State College PA
745 PM EDT Fri Mar 20 2026

.WHAT HAS CHANGED...
Welcome to Spring!

Minimal changes from previous forecast cycle.

&&

.KEY MESSAGES...
1) A couple of strong to locally severe thunderstorms are
possible across parts of southwest Pennsylvania mainly late
today into the evening

2) First weekend of Spring warmup precedes rain later on Sunday
into Sunday night https://mesonet.agron.iastate.edu/p.php?pid=202603202345-KCTP-FXUS61-AFDCTP

IEM :: AFD from NWS CTP

AFD issued by NWS CTP at 20 Mar 2026 23:45 UTC

#CTP #PAwx 075
CDUS41 KCTP 202117
CLIBFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
517 PM EDT FRI MAR 20 2026

...................................

...THE BRADFORD CLIMATE SUMMARY FOR MARCH 20 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1957 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202603202117-KCTP-CDUS41-CLIBFD

IEM :: CLI from NWS CTP

CLI issued by NWS BFD at 20 Mar 2026 21:17 UTC

#CTP #PAwx 076
CDUS41 KCTP 202117
CLIIPT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
517 PM EDT FRI MAR 20 2026

...................................

...THE WILLIAMSPORT PA CLIMATE SUMMARY FOR MARCH 20 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1895 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR https://mesonet.agron.iastate.edu/p.php?pid=202603202117-KCTP-CDUS41-CLIIPT

IEM :: CLI from NWS CTP

CLI issued by NWS IPT at 20 Mar 2026 21:17 UTC

#CTP #PAwx 077
CDUS41 KCTP 202117
CLIJST

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
517 PM EDT FRI MAR 20 2026

...................................

...THE JOHNSTOWN CLIMATE SUMMARY FOR MARCH 20 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1892 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202603202117-KCTP-CDUS41-CLIJST

IEM :: CLI from NWS CTP

CLI issued by NWS JST at 20 Mar 2026 21:17 UTC

#CTP #PAwx 073
CDUS41 KCTP 202117
CLIAOO

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
517 PM EDT FRI MAR 20 2026

...................................

...THE ALTOONA CLIMATE SUMMARY FOR MARCH 20 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1948 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
https://mesonet.agron.iastate.edu/p.php?pid=202603202117-KCTP-CDUS41-CLIAOO

IEM :: CLI from NWS CTP

CLI issued by NWS AOO at 20 Mar 2026 21:17 UTC

#CTP #PAwx 074
CDUS41 KCTP 202117
CLIMDT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
517 PM EDT FRI MAR 20 2026

...................................

...THE HARRISBURG PA CLIMATE SUMMARY FOR MARCH 20 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1888 TO 2026

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR https://mesonet.agron.iastate.edu/p.php?pid=202603202117-KCTP-CDUS41-CLIMDT

IEM :: CLI from NWS CTP

CLI issued by NWS MDT at 20 Mar 2026 21:17 UTC

#CTP #PAwx 603
AWUS81 KCTP 202052
RWSCTP
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-211100-

Regional Weather Summary
National Weather Service State College PA
452 PM EDT Fri Mar 20 2026

Rain will continue through mid-evening before conditions begin to
dry out. A isolated thunderstorm is still possible into the
evening across the southwest part of the Commonwealth, including
the Laurel Highlands. Low temperatures overnight wi https://mesonet.agron.iastate.edu/p.php?pid=202603202052-KCTP-AWUS81-RWSCTP

IEM :: RWS from NWS CTP

RWS issued by NWS CTP at 20 Mar 2026 20:52 UTC

#CTP #PAwx 714
WUUS01 KWNS 201939
PTSDY1

DAY 1 CONVECTIVE OUTLOOK AREAL OUTLINE
NWS STORM PREDICTION CENTER NORMAN OK
0237 PM CDT FRI MAR 20 2026

VALID TIME 202000Z - 211200Z

PROBABILISTIC OUTLOOK POINTS DAY 1

... TORNADO ...

0.02 37818207 38418272 39028304 39848258 40448175 40778061
40807945 40637897 40087873 39527877 39077912 38557990
38078112 37818207
&&

... HAIL ...

0.05 39108347 40018278 40708198 40948114 41127980 40987861
40387797 https://www.spc.noaa.gov/products/outlook/archive/2026/day1otlk_20260320_2000.html

Storm Prediction Center Mar 20, 2026 2000 UTC Day 1 Convective Outlook

Severe weather, tornado, thunderstorm, fire weather, storm report, tornado watch, severe thunderstorm watch, mesoscale discussion, convective outlook products from the Storm Prediction Center.