#CTP #PAwx 475
AWUS81 KCTP 180912
RWSCTP
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-182315-

Regional Weather Summary
National Weather Service State College PA
512 AM EDT Sat Apr 18 2026

Unseasonably warm temperatures are expected once again on today
as southerly winds continue to draw mild air over the region ahead
of a cold front. A band of showers and thunderstorms associated
with this front will develop across western Pen https://mesonet.agron.iastate.edu/p.php?pid=202604180912-KCTP-AWUS81-RWSCTP

#CTP #PAwx 122
FLUS41 KCTP 180851
HWOCTP

Hazardous Weather Outlook
National Weather Service State College PA
451 AM EDT Sat Apr 18 2026

PAZ049>053-056>059-063>066-190900-
Union-Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-
Schuylkill-Lebanon-Cumberland-Adams-York-Lancaster-
451 AM EDT Sat Apr 18 2026

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

The probability for widespread hazardous weather is low.

.DAYS TWO https://mesonet.agron.iastate.edu/p.php?pid=202604180851-KCTP-FLUS41-HWOCTP

#CTP #PAwx 066
FXUS61 KCTP 180852
AFDCTP

Area Forecast Discussion
National Weather Service State College PA
452 AM EDT Sat Apr 18 2026

.WHAT HAS CHANGED...
* Included more timing/threat assessment for thunderstorm
potential this afternoon/evening.
* Added mentions of flash flooding this evening and into Sunday
morning across portions of northern Pennsylvania.
* Brief mention of fire weather concerns through the middle of
the work week.

&&

.KEY MESSAGES...
1) https://mesonet.agron.iastate.edu/p.php?pid=202604180852-KCTP-FXUS61-AFDCTP

#CTP #PAwx 534
FXUS61 KCTP 180839
AFDCTP

Area Forecast Discussion
National Weather Service State College PA
439 AM EDT Sat Apr 18 2026

.WHAT HAS CHANGED...
* Included more timing/threat assessment for thunderstorm
potential this afternoon/evening.
* Added mentions of flash flooding this evening and into Sunday
morning across portions of northern Pennsylvania.
* Brief mention of fire weather concerns through the middle of
the work week.

&&

.KEY MESSAGES...
1) https://mesonet.agron.iastate.edu/p.php?pid=202604180839-KCTP-FXUS61-AFDCTP

#CTP #PAwx 254
FNUS31 KWNS 180619
PFWFD1

DAY 1 FIRE WEATHER OUTLOOK AREAL OUTLINE
NWS STORM PREDICTION CENTER NORMAN OK
0118 AM CDT SAT APR 18 2026

VALID TIME 181200Z - 191200Z

FIRE WEATHER OUTLOOK POINTS DAY 1

... FIRE WEATHER CATEGORICAL ...

ELEV 38587732 37837674 36517695 35567718 34967773 33677939
32218159 31528215 31178246 30778291 30348307 30288318
30208347 30308406 30668491 31408512 32738517 33648497
34108481 34418453 34488414 3468836 https://www.spc.noaa.gov/products/fire_wx/2026/260418_1200_fwdy1_print.html

#CTP #PAwx 454
CDUS41 KCTP 180617
CLIMDT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
217 AM EDT SAT APR 18 2026

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

...THE HARRISBURG PA CLIMATE SUMMARY FOR APRIL 17 2026...

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=202604180617-KCTP-CDUS41-CLIMDT

#CTP #PAwx 456
CDUS41 KCTP 180617
CLIJST

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
217 AM EDT SAT APR 18 2026

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

...THE JOHNSTOWN CLIMATE SUMMARY FOR APRIL 17 2026...

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=202604180617-KCTP-CDUS41-CLIJST

#CTP #PAwx 455
CDUS41 KCTP 180617
CLIBFD

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
217 AM EDT SAT APR 18 2026

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

...THE BRADFORD CLIMATE SUMMARY FOR APRIL 17 2026...

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=202604180617-KCTP-CDUS41-CLIBFD