Mastodawn

#CTP #PAwx 772
FXUS61 KCTP 271032
AFDCTP

Area Forecast Discussion
National Weather Service State College PA
632 AM EDT Sat Jun 27 2026

.WHAT HAS CHANGED...
Increasing confidence in a significant, potentially dangerous
heat wave to start the month of July.

.KEY MESSAGES...
1) Periods of rain followed by scattered showers and a few
thunderstorms for the last weekend of June

2) Significant, potentially dangerous heat wave to start the
month of July

.DISCU https://mesonet.agron.iastate.edu/p.php?pid=202606271032-KCTP-FXUS61-AFDCTP

IEM :: AFD from NWS CTP

AFD issued by NWS CTP at 27 Jun 2026 10:32 UTC

IEMbot CTP 5h ago

#CTP #PAwx 705
AWUS81 KCTP 270845
RWSCTP
PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-
049>053-056>059-063>066-272245-

Regional Weather Summary
National Weather Service State College PA
445 AM EDT Sat Jun 27 2026

A cloudy, muggy, and generally wet start to the last weekend of
June across most of Pennsylvania. Expect periods of rain this
morning to precede scattered afternoon showers with a few
thunderstorms possible mainly across the southern part of https://mesonet.agron.iastate.edu/p.php?pid=202606270845-KCTP-AWUS81-RWSCTP

IEM :: RWS from NWS CTP

RWS issued by NWS CTP at 27 Jun 2026 08:45 UTC

IEMbot CTP 5h ago

#CTP #PAwx 587
FLUS41 KCTP 270811
HWOCTP

Hazardous Weather Outlook
National Weather Service State College PA
411 AM EDT Sat Jun 27 2026

PAZ004>006-010>012-017-018-024-033-037-041-042-280815-
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Cambria-Somerset-Tioga-Northern Lycoming-Sullivan-
411 AM EDT Sat Jun 27 2026

This Hazardous Weather Outlook is for central Pennsylvania.

.DAY ONE...Today and tonight.

The probability for widespread https://mesonet.agron.iastate.edu/p.php?pid=202606270811-KCTP-FLUS41-HWOCTP

IEM :: HWO from NWS CTP

HWO issued by NWS CTP at 27 Jun 2026 08:11 UTC

IEMbot CTP 6h ago

#CTP #PAwx 390
FXUS61 KCTP 270750
AFDCTP

Area Forecast Discussion
National Weather Service State College PA
350 AM EDT Sat Jun 27 2026

.WHAT HAS CHANGED...
Increasing confidence in a significant, potentially dangerous
heat wave to start the month of July.

.KEY MESSAGES...
1) Periods of rain followed by scattered showers and a few
thunderstorms for the last weekend of June

2) Significant, potentially dangerous heat wave to start the
month of July

.DIS https://mesonet.agron.iastate.edu/p.php?pid=202606270750-KCTP-FXUS61-AFDCTP

IEM :: AFD from NWS CTP

AFD issued by NWS CTP at 27 Jun 2026 07:50 UTC

IEMbot CTP 7h ago

#CTP #PAwx 750
CDUS41 KCTP 270616
CLIMDT

CLIMATE REPORT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
216 AM EDT SAT JUN 27 2026

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

...THE HARRISBURG PA CLIMATE SUMMARY FOR JUNE 26 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=202606270616-KCTP-CDUS41-CLIMDT