Routine Fire Wx Fcst (With/Without 6-10 Day Outlook)
Issued by NWS State College, PA
Issued by NWS State College, PA
031
FNUS51 KCTP 201856
FWFCTP
Fire Weather Planning Forecast for Central Pennsylvania
National Weather Service State College, PA
256 PM EDT Thu Aug 20 2026
.DISCUSSION...
A large area of moderate to heavy rain covering about the
Southeast two-thirds of Pennsylvania at mid afternoon will move
east of the state this evening. A few strong to severe
thunderstorms are possible across the Lower Susquehanna Valley
and adjacent Southeastern PA through early this evening.
Clearing skies, light wind and moist ground will lead to fairly
widespread dense fog later tonight through about 2 hours after
daybreak.
Abundant sunshine light winds and comfortable humidity will follow
for Friday. Saturday will be partly sunny with some mid to late
afternoon showers and thunderstorms developing.
PAZ064-210830-
Adams-
Including the city of Gettysburg
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms None Tstms Tstms
Chance Precip (%) 70 0 50 70
Chance of Thunder (%) 50 0 20 50
Temp (24h trend) 60 (-6) 79 (+2) 61 78
RH % (24h trend) 99 (+4) 67 (-14) 100 83
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.20 0.00 0.10 0.62
Precip Duration 1 1 8
Precip Begin 6 PM 2 AM Continuing
Precip End 9 PM Continuing Continuing
Mixing Hgt(ft-agl) 480 3870 320 2170
Transport Wnd (mph) N 9 E 6 E 6 E 7
Vent Rate (kt-ft) 3840 19350 1600 13020
Dispersion 2 5 1 4
DSI 2 2
Sunshine Hours 8 3
Max ADI Early 12 Poor 28 Fair 3 Very Poor 17 Gen Poor
Max ADI Late 5 Very Poor 34 Fair 3 Very Poor 19 Gen Poor
Max LVORI Early 7 6 7 8
Max LVORI Late 7 3 9 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers. Lows in the lower 60s. Highs in the upper 70s.
Minimum RH 70 percent. West winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
70s. Minimum RH 61 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 61 percent. Light winds.
.WEDNESDAY...Mostly clear. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the lower 80s. Minimum RH
64 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Minimum RH 69 percent. Light winds.
$$
PAZ034-210830-
Bedford-
Including the city of Bedford
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 80
Chance of Thunder (%) 0 0 20 50
Temp (24h trend) 58 (-8) 77 (+5) 59 78
RH % (24h trend) 100 (+4) 65 (-22) 100 73
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.04 0.06
Precip Duration 1 6
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 440 4060 420 2730
Transport Wnd (mph) N 8 SE 8 SE 6 SE 7
Vent Rate (kt-ft) 3080 28420 2100 16380
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 8 3
Max ADI Early 8 Poor 26 Fair 3 Very Poor 18 Gen Poor
Max ADI Late 4 Very Poor 38 Fair 3 Very Poor 24 Fair
Max LVORI Early 8 7 6 8
Max LVORI Late 8 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Patchy fog through the night. A chance
of showers. Lows around 60. Highs in the mid 70s. Minimum RH
65 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the lower
70s. Minimum RH 59 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s. Minimum RH 56 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 62 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Minimum RH 66 percent. Light winds.
$$
PAZ025-210830-
Blair-
Including the city of Altoona
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 30 80
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 56 (-8) 78 (+9) 58 78
RH % (24h trend) 100 (+2) 62 (-28) 100 76
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.03 0.07
Precip Duration 1 6
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 430 4060 430 2180
Transport Wnd (mph) N 7 SE 7 SE 6 SE 8
Vent Rate (kt-ft) 2580 24360 2150 15260
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 10 4
Max ADI Early 7 Poor 24 Fair 3 Very Poor 17 Gen Poor
Max ADI Late 3 Very Poor 39 Fair 3 Very Poor 22 Fair
Max LVORI Early 8 7 6 9
Max LVORI Late 8 3 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows around 60. Highs in the mid 70s. Minimum RH 69 percent.
Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s. Minimum RH 64 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s. Minimum RH 59 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 63 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the upper 70s. Minimum RH
68 percent. Light winds.
$$
PAZ024-210830-
Cambria-
Including the city of Johnstown
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 30 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 56 (-7) 75 (+7) 58 75
RH % (24h trend) 100 (+3) 63 (-29) 100 76
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.02 0.05
Precip Duration 0 5
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 410 4060 440 2860
Transport Wnd (mph) E 7 SE 9 E 8 S 9
Vent Rate (kt-ft) 2460 32480 3080 22880
Dispersion 2 5 2 5
DSI 1 1
Sunshine Hours 10 4
Max ADI Early 6 Very Poor 31 Fair 4 Very Poor 23 Fair
Max ADI Late 4 Very Poor 45 Gen Good 5 Very Poor 29 Fair
Max LVORI Early 8 7 6 8
Max LVORI Late 8 3 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows in the upper 50s. Highs around 70. Minimum RH
75 percent. Southwest winds 5 to 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 68 percent. West winds 5 to 10 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 62 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 65 percent. Southeast winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the mid 70s. Minimum RH
72 percent. South winds around 5 mph.
$$
PAZ011-210830-
Cameron-
Including the city of Emporium
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 53 (-8) 80 (+10) 55 77
RH % (24h trend) 99 (-1) 49 (-34) 100 75
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.12
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(ft-agl) 420 4780 410 2460
Transport Wnd (mph) NE 6 SE 6 SE 6 S 12
Vent Rate (kt-ft) 2100 23900 2050 24600
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 11 5
Max ADI Early 4 Very Poor 23 Fair 3 Very Poor 28 Fair
Max ADI Late 3 Very Poor 36 Fair 3 Very Poor 34 Fair
Max LVORI Early 7 6 6 9
Max LVORI Late 8 1 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows in the upper 50s. Highs in the lower 70s.
Minimum RH 69 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s. Minimum RH 61 percent. West winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid
70s. Minimum RH 55 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 59 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows around 60. Highs in the upper 70s. Minimum RH 64 percent.
Southeast winds around 5 mph.
$$
PAZ017-210830-
Clearfield-
Including the cities of DuBois and Clearfield
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 54 (-9) 77 (+9) 56 76
RH % (24h trend) 100 (+1) 53 (-35) 100 76
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.06
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(ft-agl) 420 4340 430 2180
Transport Wnd (mph) NE 7 SE 7 SE 8 S 9
Vent Rate (kt-ft) 2520 26040 3010 17440
Dispersion 2 5 2 5
DSI 2 1
Sunshine Hours 11 5
Max ADI Early 5 Very Poor 24 Fair 4 Very Poor 26 Fair
Max ADI Late 3 Very Poor 41 Gen Good 4 Very Poor 26 Fair
Max LVORI Early 8 7 6 8
Max LVORI Late 9 2 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows in the upper 50s. Highs in the lower 70s.
Minimum RH 71 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs around 70.
Minimum RH 64 percent. West winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 58 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 62 percent. South winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the upper 70s. Minimum RH
67 percent. South winds around 5 mph.
$$
PAZ053-210830-
Columbia-
Including the cities of Bloomsburg and Berwick
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Pcldy Mcldy
Precip Type Rain None Showers Tstms
Chance Precip (%) 70 0 10 60
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 55 (-9) 81 (+9) 59 78
RH % (24h trend) 99 (+1) 55 (-31) 100 75
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.29 0.00 0.02 0.10
Precip Duration 1 1 5
Precip Begin 6 PM 10 PM Continuing
Precip End 9 PM Continuing Continuing
Mixing Hgt(ft-agl) 400 4380 400 2630
Transport Wnd (mph) NE 7 E 5 SE 5 SE 10
Vent Rate (kt-ft) 2400 17520 1600 23670
Dispersion 1 5 1 5
DSI 2 2
Sunshine Hours 9 4
Max ADI Early 8 Poor 21 Fair 2 Very Poor 29 Fair
Max ADI Late 3 Very Poor 31 Fair 3 Very Poor 34 Fair
Max LVORI Early 7 6 6 8
Max LVORI Late 8 3 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers and thunderstorms. Lows in the lower 60s. Highs in the
upper 70s. Minimum RH 70 percent. South winds around 5 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 60 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 55 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs around
80. Minimum RH 59 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. Minimum RH 67 percent. Light winds.
$$
PAZ063-210830-
Cumberland-
Including the city of Carlisle
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms None Tstms Tstms
Chance Precip (%) 60 0 50 70
Chance of Thunder (%) 50 0 20 50
Temp (24h trend) 59 (-8) 80 (+5) 61 79
RH % (24h trend) 99 (+6) 63 (-21) 100 80
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.22 0.00 0.07 0.23
Precip Duration 1 1 8
Precip Begin 6 PM 2 AM Continuing
Precip End 9 PM Continuing Continuing
Mixing Hgt(ft-agl) 410 3840 330 1780
Transport Wnd (mph) N 7 E 7 E 6 E 8
Vent Rate (kt-ft) 2460 23040 1650 12460
Dispersion 2 5 1 4
DSI 2 2
Sunshine Hours 8 3
Max ADI Early 10 Poor 24 Fair 3 Very Poor 20 Gen Poor
Max ADI Late 4 Very Poor 32 Fair 3 Very Poor 24 Fair
Max LVORI Early 7 6 6 8
Max LVORI Late 8 3 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the upper 70s. Minimum RH 68 percent. Southwest
winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Minimum RH 60 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 59 percent. Light winds.
.WEDNESDAY...Partly cloudy. A chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
Minimum RH 64 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Minimum RH 69 percent. Light winds.
$$
PAZ057-210830-
Dauphin-
Including the cities of Harrisburg and Hershey
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms None Showers Tstms
Chance Precip (%) 70 0 40 70
Chance of Thunder (%) 50 0 0 50
Temp (24h trend) 58 (-8) 81 (+6) 61 79
RH % (24h trend) 99 (+4) 59 (-25) 100 78
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.24 0.00 0.04 0.21
Precip Duration 1 1 8
Precip Begin 6 PM 11 PM Continuing
Precip End 9 PM Continuing Continuing
Mixing Hgt(ft-agl) 420 3900 370 1910
Transport Wnd (mph) N 8 E 6 E 5 E 12
Vent Rate (kt-ft) 2940 19500 1480 19100
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 8 3
Max ADI Early 10 Poor 24 Fair 3 Very Poor 22 Fair
Max ADI Late 4 Very Poor 29 Fair 3 Very Poor 26 Fair
Max LVORI Early 7 6 6 8
Max LVORI Late 7 3 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers and thunderstorms. Lows in the lower 60s. Highs in the
upper 70s. Minimum RH 66 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Minimum RH 57 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 55 percent. Northwest winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 80s. Minimum RH 60 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Minimum RH 66 percent. Light winds.
$$
PAZ010-210830-
Elk-
Including the cities of St. Marys and Ridgway
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 51 (-9) 78 (+8) 53 76
RH % (24h trend) 100 (0) 49 (-32) 100 73
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.07
Precip Duration 4
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(ft-agl) 420 4740 400 2600
Transport Wnd (mph) NE 6 SE 7 SE 8 S 12
Vent Rate (kt-ft) 2100 28440 2800 26000
Dispersion 1 5 2 5
DSI 2 2
Sunshine Hours 11 5
Max ADI Early 4 Very Poor 24 Fair 4 Very Poor 31 Fair
Max ADI Late 3 Very Poor 39 Fair 4 Very Poor 36 Fair
Max LVORI Early 7 6 6 8
Max LVORI Late 8 2 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Showers and a chance of thunderstorms. Lows in the
upper 50s. Highs in the lower 70s. Minimum RH 72 percent.
Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs around 70.
Minimum RH 64 percent. West winds around 5 mph.
.TUESDAY...Partly cloudy. Lows around 50. Highs in the lower 70s.
Minimum RH 57 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. Minimum RH 61 percent. South winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the upper 70s. Minimum RH
66 percent. South winds around 5 mph.
$$
PAZ036-210830-
Franklin-
Including the city of Chambersburg
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms None Tstms Tstms
Chance Precip (%) 50 0 50 70
Chance of Thunder (%) 50 0 20 50
Temp (24h trend) 59 (-8) 81 (+5) 61 81
RH % (24h trend) 99 (+4) 62 (-20) 100 76
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.14 0.00 0.10 0.35
Precip Duration 0 1 8
Precip Begin 6 PM 2 AM Continuing
Precip End 8 PM Continuing Continuing
Mixing Hgt(ft-agl) 400 4150 390 2100
Transport Wnd (mph) N 7 E 6 E 6 E 7
Vent Rate (kt-ft) 2400 20750 1950 12600
Dispersion 2 5 1 4
DSI 2 2
Sunshine Hours 8 3
Max ADI Early 9 Poor 28 Fair 3 Very Poor 15 Gen Poor
Max ADI Late 5 Very Poor 34 Fair 3 Very Poor 19 Gen Poor
Max LVORI Early 6 6 6 8
Max LVORI Late 8 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Patchy fog through the night. A chance
of showers. Lows in the lower 60s. Highs in the upper 70s.
Minimum RH 64 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Minimum RH 56 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 57 percent. Light winds.
.WEDNESDAY...Partly cloudy. A chance of showers and
thunderstorms. Lows in the upper 50s. Highs in the lower 80s.
Minimum RH 63 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Minimum RH 67 percent. Light winds.
$$
PAZ035-210830-
Fulton-
Including the city of McConnellsburg
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms None Tstms Tstms
Chance Precip (%) 40 0 50 70
Chance of Thunder (%) 40 0 20 50
Temp (24h trend) 59 (-8) 79 (+4) 61 79
RH % (24h trend) 99 (+4) 63 (-22) 100 75
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.11 0.00 0.09 0.13
Precip Duration 0 1 8
Precip Begin 6 PM 2 AM Continuing
Precip End 8 PM Continuing Continuing
Mixing Hgt(ft-agl) 450 4170 400 2500
Transport Wnd (mph) N 9 SE 6 E 6 E 8
Vent Rate (kt-ft) 3600 20850 2000 17500
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 8 3
Max ADI Early 8 Poor 27 Fair 3 Very Poor 14 Gen Poor
Max ADI Late 5 Very Poor 35 Fair 3 Very Poor 24 Fair
Max LVORI Early 7 6 7 8
Max LVORI Late 8 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Partly cloudy. Areas of fog through the night. A chance
of showers. Lows in the lower 60s. Highs in the upper 70s.
Minimum RH 62 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
70s. Minimum RH 56 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 55 percent. Light winds.
.WEDNESDAY...Partly cloudy. A chance of showers. Lows in the
upper 50s. Highs in the lower 80s. Minimum RH 62 percent. Light
winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. Minimum RH 66 percent. Light winds.
$$
PAZ026-210830-
Huntingdon-
Including the cities of Huntingdon and Mount Union
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 30 80
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 56 (-9) 79 (+8) 60 78
RH % (24h trend) 99 (+2) 60 (-30) 100 75
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.03 0.08
Precip Duration 1 9
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 410 4000 420 2050
Transport Wnd (mph) N 6 SE 6 E 6 SE 8
Vent Rate (kt-ft) 2050 20000 2100 14350
Dispersion 1 5 1 5
DSI 2 2
Sunshine Hours 9 3
Max ADI Early 7 Poor 21 Fair 3 Very Poor 18 Gen Poor
Max ADI Late 4 Very Poor 33 Fair 3 Very Poor 21 Fair
Max LVORI Early 8 6 7 8
Max LVORI Late 8 3 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Patchy fog through the night. A chance
of showers. Lows in the lower 60s. Highs in the upper 70s.
Minimum RH 65 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
70s. Minimum RH 60 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 57 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs around
80. Minimum RH 62 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. Minimum RH 66 percent. Light winds.
$$
PAZ028-210830-
Juniata-
Including the city of Mifflintown
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Rain None Showers Tstms
Chance Precip (%) 40 0 40 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 57 (-9) 79 (+8) 61 77
RH % (24h trend) 100 (+2) 61 (-31) 100 81
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.23 0.00 0.03 0.07
Precip Duration 0 1 8
Precip Begin 6 PM 2 AM Continuing
Precip End 8 PM Continuing Continuing
Mixing Hgt(ft-agl) 410 3890 370 1810
Transport Wnd (mph) N 7 E 6 E 6 SE 10
Vent Rate (kt-ft) 2460 19450 1850 16290
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 9 3
Max ADI Early 8 Poor 23 Fair 2 Very Poor 18 Gen Poor
Max ADI Late 3 Very Poor 31 Fair 3 Very Poor 23 Fair
Max LVORI Early 8 7 7 8
Max LVORI Late 8 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers. Lows in the lower 60s. Highs in the upper 70s.
Minimum RH 70 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
70s. Minimum RH 64 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 61 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs around
80. Minimum RH 65 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. Minimum RH 71 percent. Light winds.
$$
PAZ066-210830-
Lancaster-
Including the city of Lancaster
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Pcldy Mcldy
Precip Type Tstms None Showers Tstms
Chance Precip (%) 100 0 40 70
Chance of Thunder (%) 50 0 0 50
Temp (24h trend) 61 (-6) 81 (+3) 64 79
RH % (24h trend) 98 (+4) 64 (-15) 100 80
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.34 0.00 0.04 0.28
Precip Duration 2 1 8
Precip Begin 6 PM 8 PM Continuing
Precip End 10 PM Continuing Continuing
Mixing Hgt(ft-agl) 400 3950 350 1710
Transport Wnd (mph) N 8 E 7 E 5 E 9
Vent Rate (kt-ft) 2800 23700 1400 13680
Dispersion 2 5 1 4
DSI 2 2
Sunshine Hours 7 3
Max ADI Early 11 Poor 27 Fair 3 Very Poor 19 Gen Poor
Max ADI Late 7 Poor 34 Fair 4 Very Poor 19 Gen Poor
Max LVORI Early 6 6 6 8
Max LVORI Late 7 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the mid 60s. Highs in the lower 80s. Minimum RH
71 percent. West winds around 5 mph.
.MONDAY...Mostly clear. Lows around 60. Highs in the upper 70s.
Minimum RH 60 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 59 percent. Northwest winds around 5 mph.
.WEDNESDAY...Mostly clear. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the lower 80s. Minimum RH
61 percent. South winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Minimum RH 69 percent. Southeast
winds around 5 mph.
$$
PAZ059-210830-
Lebanon-
Including the city of Lebanon
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms None Showers Tstms
Chance Precip (%) 90 0 40 70
Chance of Thunder (%) 50 0 0 50
Temp (24h trend) 59 (-8) 81 (+5) 61 80
RH % (24h trend) 98 (+2) 59 (-22) 100 77
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var E 5
Precip Amount 0.27 0.00 0.03 0.26
Precip Duration 2 1 8
Precip Begin 6 PM 8 PM Continuing
Precip End 10 PM Continuing Continuing
Mixing Hgt(ft-agl) 400 3810 370 1660
Transport Wnd (mph) NE 8 E 7 E 6 E 12
Vent Rate (kt-ft) 2800 22860 1850 16600
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 8 3
Max ADI Early 10 Poor 27 Fair 3 Very Poor 19 Gen Poor
Max ADI Late 4 Very Poor 33 Fair 4 Very Poor 23 Fair
Max LVORI Early 6 6 6 8
Max LVORI Late 7 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs around 80. Minimum RH 66 percent.
West winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Minimum RH 56 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 55 percent. West winds around 5 mph.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
lower 80s. Minimum RH 58 percent. South winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Minimum RH 66 percent. Southeast
winds around 5 mph.
$$
PAZ005-210830-
McKean-
Including the city of Bradford
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 49 (-9) 78 (+7) 52 76
RH % (24h trend) 100 (0) 42 (-31) 100 67
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.08
Precip Duration 4
Precip Begin 7 AM
Precip End Continuing
Mixing Hgt(ft-agl) 410 5140 400 2760
Transport Wnd (mph) NE 6 SE 6 SE 8 S 12
Vent Rate (kt-ft) 2050 25700 2800 27600
Dispersion 1 5 1 5
DSI 2 2
Sunshine Hours 12 6
Max ADI Early 4 Very Poor 24 Fair 3 Very Poor 34 Fair
Max ADI Late 3 Very Poor 37 Fair 4 Very Poor 38 Fair
Max LVORI Early 6 7 6 8
Max LVORI Late 8 1 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Showers and a chance of thunderstorms. Lows in the mid
50s. Highs in the lower 70s. Minimum RH 68 percent. Southwest
winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers. Lows in the upper
40s. Highs in the upper 60s. Minimum RH 60 percent. West winds
around 5 mph.
.TUESDAY...Partly cloudy. Lows in the upper 40s. Highs in the
lower 70s. Minimum RH 54 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows around 50. Highs in the mid 70s.
Minimum RH 57 percent. South winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the mid 50s. Highs in the upper 70s. Minimum RH
63 percent. South winds around 5 mph.
$$
PAZ027-210830-
Mifflin-
Including the city of Lewistown
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Rain None Showers Tstms
Chance Precip (%) 30 0 40 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 56 (-9) 80 (+10) 59 78
RH % (24h trend) 100 (+2) 62 (-31) 100 83
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.24 0.00 0.03 0.08
Precip Duration 0 1 8
Precip Begin 6 PM 2 AM Continuing
Precip End 8 PM Continuing Continuing
Mixing Hgt(ft-agl) 410 3820 400 1880
Transport Wnd (mph) N 7 SE 5 SE 6 SE 9
Vent Rate (kt-ft) 2460 15280 2000 15040
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 9 3
Max ADI Early 7 Poor 23 Fair 3 Very Poor 19 Gen Poor
Max ADI Late 3 Very Poor 31 Fair 3 Very Poor 21 Fair
Max LVORI Early 8 7 7 8
Max LVORI Late 8 3 8 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers. Lows in the lower 60s. Highs in the mid 70s. Minimum
RH 71 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 65 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 62 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs around
80. Minimum RH 67 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. Minimum RH 71 percent. Light winds.
$$
PAZ051-210830-
Montour-
Including the city of Danville
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Pcldy Mcldy
Precip Type Rain None Showers Tstms
Chance Precip (%) 60 0 20 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 56 (-9) 80 (+8) 61 77
RH % (24h trend) 100 (+3) 53 (-34) 100 76
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.31 0.00 0.02 0.07
Precip Duration 1 0 4
Precip Begin 6 PM 2 AM Continuing
Precip End 8 PM Continuing Continuing
Mixing Hgt(ft-agl) 400 4340 400 2510
Transport Wnd (mph) N 6 E 5 E 6 SE 9
Vent Rate (kt-ft) 2000 17360 2000 20080
Dispersion 1 5 1 5
DSI 2 2
Sunshine Hours 10 4
Max ADI Early 8 Poor 17 Gen Poor 2 Very Poor 29 Fair
Max ADI Late 3 Very Poor 29 Fair 3 Very Poor 30 Fair
Max LVORI Early 7 8 6 8
Max LVORI Late 8 3 8 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. Showers
likely and a chance of thunderstorms. Lows in the lower 60s.
Highs in the upper 70s. Minimum RH 66 percent. Southwest winds
around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
70s. Minimum RH 57 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 53 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
lower 80s. Minimum RH 57 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. Minimum RH 64 percent. Light winds.
$$
PAZ018-210830-
Northern Centre-
Including the city of Philipsburg
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Pcldy Mcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 54 (-9) 78 (+11) 56 74
RH % (24h trend) 100 (0) 51 (-39) 100 75
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.10
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(ft-agl) 430 4170 430 1980
Transport Wnd (mph) NE 7 E 7 E 6 SE 10
Vent Rate (kt-ft) 2580 25020 2150 17820
Dispersion 2 5 1 5
DSI 2 1
Sunshine Hours 11 4
Max ADI Early 6 Very Poor 22 Fair 3 Very Poor 24 Fair
Max ADI Late 3 Very Poor 35 Fair 3 Very Poor 24 Fair
Max LVORI Early 8 6 6 8
Max LVORI Late 8 2 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows in the upper 50s. Highs in the lower 70s.
Minimum RH 68 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs around 70.
Minimum RH 62 percent. West winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 57 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 61 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows around 60. Highs in the upper 70s. Minimum RH 65 percent.
South winds around 5 mph.
$$
PAZ012-210830-
Northern Clinton-
Including the city of Renovo
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Mcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 54 (-8) 78 (+10) 58 75
RH % (24h trend) 98 (-2) 49 (-39) 100 76
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.12
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(ft-agl) 440 4480 410 2220
Transport Wnd (mph) N 7 E 6 SE 6 SE 10
Vent Rate (kt-ft) 2640 22400 2050 19980
Dispersion 2 5 1 5
DSI 2 1
Sunshine Hours 11 5
Max ADI Early 4 Very Poor 22 Fair 3 Very Poor 28 Fair
Max ADI Late 4 Very Poor 36 Fair 3 Very Poor 27 Fair
Max LVORI Early 7 6 6 8
Max LVORI Late 7 2 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Patchy fog through the night. A chance
of showers and thunderstorms. Lows in the lower 60s. Highs in the
lower 70s. Minimum RH 66 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s. Minimum RH 60 percent. West winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the mid
70s. Minimum RH 55 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 60 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs in the upper 70s. Minimum RH
64 percent. Light winds.
$$
PAZ041-210830-
Northern Lycoming-
Including the city of Trout Run
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 20 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 53 (-9) 77 (+10) 56 74
RH % (24h trend) 98 (-1) 53 (-37) 100 81
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.01 0.10
Precip Duration 0 5
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 440 4470 410 2410
Transport Wnd (mph) N 8 E 6 SE 6 SE 10
Vent Rate (kt-ft) 3080 22350 2050 21690
Dispersion 2 5 1 5
DSI 2 1
Sunshine Hours 11 4
Max ADI Early 5 Very Poor 23 Fair 3 Very Poor 30 Fair
Max ADI Late 4 Very Poor 35 Fair 3 Very Poor 29 Fair
Max LVORI Early 7 6 5 8
Max LVORI Late 7 2 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows around 60. Highs in the lower 70s. Minimum RH 71 percent.
Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs around 70.
Minimum RH 63 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 58 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 63 percent. South winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows around 60.
Highs in the upper 70s. Minimum RH 68 percent. Southeast winds
around 5 mph.
$$
PAZ052-210830-
Northumberland-
Including the cities of Sunbury and Shamokin
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Rain None Showers Tstms
Chance Precip (%) 60 0 30 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 56 (-8) 80 (+8) 60 77
RH % (24h trend) 100 (+1) 55 (-33) 100 77
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.30 0.00 0.03 0.08
Precip Duration 1 1 5
Precip Begin 6 PM 2 AM Continuing
Precip End 9 PM Continuing Continuing
Mixing Hgt(ft-agl) 380 4210 400 2470
Transport Wnd (mph) N 7 E 5 SE 6 SE 10
Vent Rate (kt-ft) 2280 16840 2000 22230
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 9 4
Max ADI Early 9 Poor 20 Gen Poor 3 Very Poor 27 Fair
Max ADI Late 4 Very Poor 30 Fair 3 Very Poor 31 Fair
Max LVORI Early 8 7 6 8
Max LVORI Late 8 3 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers and thunderstorms. Lows in the lower 60s. Highs in the
upper 70s. Minimum RH 67 percent. South winds around 5 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 57 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 54 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs around
80. Minimum RH 59 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. Minimum RH 66 percent. Light winds.
$$
PAZ056-210830-
Perry-
Including the city of Newport
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms None Showers Tstms
Chance Precip (%) 50 0 40 70
Chance of Thunder (%) 20 0 0 50
Temp (24h trend) 58 (-8) 79 (+6) 60 77
RH % (24h trend) 100 (+5) 64 (-25) 100 83
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.19 0.00 0.05 0.11
Precip Duration 0 1 8
Precip Begin 6 PM 2 AM Continuing
Precip End 8 PM Continuing Continuing
Mixing Hgt(ft-agl) 410 3930 370 1750
Transport Wnd (mph) N 8 E 6 SE 6 SE 10
Vent Rate (kt-ft) 2870 19650 1850 15750
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 8 3
Max ADI Early 10 Poor 23 Fair 3 Very Poor 20 Gen Poor
Max ADI Late 4 Very Poor 31 Fair 3 Very Poor 23 Fair
Max LVORI Early 8 6 6 8
Max LVORI Late 8 3 9 5
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers. Lows in the lower 60s. Highs in the upper 70s.
Minimum RH 69 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
70s. Minimum RH 62 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the upper
70s. Minimum RH 60 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs around
80. Minimum RH 65 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. Minimum RH 71 percent. Light winds.
$$
PAZ006-210830-
Potter-
Including the city of Coudersport
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 50 (-9) 76 (+9) 53 73
RH % (24h trend) 97 (-3) 49 (-35) 100 79
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.12
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(ft-agl) 410 4890 420 2720
Transport Wnd (mph) NE 7 SE 6 SE 7 S 13
Vent Rate (kt-ft) 2460 24450 2520 29920
Dispersion 1 5 1 5
DSI 1 1
Sunshine Hours 12 5
Max ADI Early 4 Very Poor 28 Fair 3 Very Poor 40 Fair
Max ADI Late 3 Very Poor 39 Fair 3 Very Poor 40 Fair
Max LVORI Early 6 6 6 8
Max LVORI Late 7 1 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows in the upper 50s. Highs around 70. Minimum RH
74 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 67 percent. West winds around 5 mph.
.TUESDAY...Partly cloudy. Lows around 50. Highs in the lower 70s.
Minimum RH 60 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
mid 70s. Minimum RH 63 percent. South winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the mid 70s. Minimum RH
69 percent. South winds around 5 mph.
$$
PAZ058-210830-
Schuylkill-
Including the city of Pottsville
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Tstms None None Tstms
Chance Precip (%) 80 0 0 60
Chance of Thunder (%) 50 0 0 50
Temp (24h trend) 55 (-9) 80 (+7) 59 77
RH % (24h trend) 100 (+2) 58 (-26) 100 78
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.29 0.00 0.00 0.18
Precip Duration 2 5
Precip Begin 6 PM 6 AM
Precip End 10 PM Continuing
Mixing Hgt(ft-agl) 440 4030 370 2160
Transport Wnd (mph) N 9 E 6 E 5 SE 12
Vent Rate (kt-ft) 3520 20150 1480 21600
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 8 4
Max ADI Early 10 Poor 28 Fair 3 Very Poor 21 Fair
Max ADI Late 4 Very Poor 32 Fair 4 Very Poor 29 Fair
Max LVORI Early 7 6 7 8
Max LVORI Late 8 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers and thunderstorms. Lows in the lower 60s. Highs in the
upper 70s. Minimum RH 69 percent. South winds around 5 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 58 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 56 percent. Light winds.
.WEDNESDAY...Mostly clear. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 61 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Minimum RH 69 percent. Light winds.
$$
PAZ050-210830-
Snyder-
Including the city of Selinsgrove
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type Rain None Showers Tstms
Chance Precip (%) 50 0 40 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 56 (-9) 79 (+8) 61 76
RH % (24h trend) 100 (+1) 60 (-31) 100 81
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.32 0.00 0.04 0.06
Precip Duration 0 1 5
Precip Begin 6 PM 3 AM Continuing
Precip End 8 PM Continuing Continuing
Mixing Hgt(ft-agl) 410 3850 400 2130
Transport Wnd (mph) N 8 E 6 SE 6 SE 10
Vent Rate (kt-ft) 2870 19250 2000 19170
Dispersion 2 5 1 5
DSI 2 1
Sunshine Hours 9 3
Max ADI Early 10 Poor 22 Fair 2 Very Poor 20 Gen Poor
Max ADI Late 4 Very Poor 31 Fair 3 Very Poor 25 Fair
Max LVORI Early 8 6 6 8
Max LVORI Late 8 3 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers and thunderstorms. Lows in the lower 60s. Highs in the
mid 70s. Minimum RH 70 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the mid
70s. Minimum RH 62 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 59 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 64 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Minimum RH 70 percent. Light winds.
$$
PAZ033-210830-
Somerset-
Including the city of Somerset
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Pcldy Pcldy Mcldy
Precip Type None None Tstms Tstms
Chance Precip (%) 0 0 40 70
Chance of Thunder (%) 0 0 20 50
Temp (24h trend) 57 (-7) 75 (+5) 58 76
RH % (24h trend) 100 (+1) 68 (-21) 100 74
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.02 0.03
Precip Duration 1 5
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 440 3550 440 3350
Transport Wnd (mph) NE 7 SE 10 SE 9 S 9
Vent Rate (kt-ft) 2640 31950 3520 26800
Dispersion 2 5 2 5
DSI 1 1
Sunshine Hours 9 3
Max ADI Early 6 Very Poor 32 Fair 5 Very Poor 25 Fair
Max ADI Late 3 Very Poor 44 Gen Good 5 Very Poor 36 Fair
Max LVORI Early 8 7 7 8
Max LVORI Late 8 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Showers likely and a chance of
thunderstorms. Lows in the upper 50s. Highs around 70. Minimum RH
75 percent. Southwest winds 5 to 10 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 65 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 60 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 65 percent. Southeast winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows around 60. Highs in the mid 70s. Minimum RH 72 percent.
South winds around 5 mph.
$$
PAZ019-210830-
Southern Centre-
Including the city of State College
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 30 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 55 (-9) 79 (+11) 57 76
RH % (24h trend) 100 (+1) 56 (-36) 100 80
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.02 0.09
Precip Duration 0 5
Precip Begin 3 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 430 4080 430 1970
Transport Wnd (mph) N 8 SE 6 E 6 SE 9
Vent Rate (kt-ft) 3010 20400 2150 15760
Dispersion 2 5 1 5
DSI 2 1
Sunshine Hours 10 4
Max ADI Early 7 Poor 21 Fair 3 Very Poor 22 Fair
Max ADI Late 4 Very Poor 31 Fair 3 Very Poor 23 Fair
Max LVORI Early 8 7 6 8
Max LVORI Late 8 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Patchy fog through the night. A chance
of showers and thunderstorms. Lows around 60. Highs in the mid
70s. Minimum RH 70 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s. Minimum RH 64 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s. Minimum RH 60 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 64 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs around 80. Minimum RH 68 percent.
Light winds.
$$
PAZ045-210830-
Southern Clinton-
Including the city of Lock Haven
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Pcldy Mcldy
Precip Type None None Showers Tstms
Chance Precip (%) 0 0 30 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 55 (-8) 79 (+11) 57 76
RH % (24h trend) 100 (+1) 53 (-38) 100 78
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.01 0.08
Precip Duration 0 5
Precip Begin 2 AM Continuing
Precip End Continuing Continuing
Mixing Hgt(ft-agl) 430 4090 390 2270
Transport Wnd (mph) N 7 E 6 SE 6 SE 10
Vent Rate (kt-ft) 2580 20450 1950 20430
Dispersion 2 5 1 5
DSI 2 1
Sunshine Hours 11 4
Max ADI Early 6 Very Poor 20 Gen Poor 3 Very Poor 23 Fair
Max ADI Late 3 Very Poor 35 Fair 3 Very Poor 28 Fair
Max LVORI Early 8 7 6 8
Max LVORI Late 8 3 8 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Patchy fog through the night. A chance
of showers and thunderstorms. Lows around 60. Highs in the mid
70s. Minimum RH 66 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the lower
70s. Minimum RH 60 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the mid
70s. Minimum RH 56 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 60 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the lower 60s. Highs around 80. Minimum RH 65 percent.
Light winds.
$$
PAZ046-210830-
Southern Lycoming-
Including the city of Williamsport
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Pcldy Mcldy
Precip Type Rain None Showers Tstms
Chance Precip (%) 40 0 30 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 55 (-9) 80 (+10) 59 77
RH % (24h trend) 98 (-1) 50 (-39) 100 77
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.20 0.00 0.01 0.09
Precip Duration 0 1 5
Precip Begin 6 PM 2 AM Continuing
Precip End 8 PM Continuing Continuing
Mixing Hgt(ft-agl) 420 4410 380 2690
Transport Wnd (mph) N 7 SE 5 E 6 SE 10
Vent Rate (kt-ft) 2520 17640 1900 24210
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 10 4
Max ADI Early 6 Very Poor 18 Gen Poor 3 Very Poor 25 Fair
Max ADI Late 4 Very Poor 30 Fair 3 Very Poor 34 Fair
Max LVORI Early 7 6 6 8
Max LVORI Late 7 2 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Patchy fog through the night. A chance
of showers and thunderstorms. Lows in the lower 60s. Highs in the
mid 70s. Minimum RH 67 percent. South winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 58 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 54 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the
upper 70s. Minimum RH 58 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs around 80. Minimum RH 65 percent. East winds around
5 mph.
$$
PAZ042-210830-
Sullivan-
Including the city of Laporte
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Pcldy Mcldy
Precip Type Rain None Showers Tstms
Chance Precip (%) 50 0 20 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 53 (-8) 77 (+9) 54 74
RH % (24h trend) 100 (0) 55 (-35) 100 81
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.17 0.00 0.01 0.05
Precip Duration 0 0 4
Precip Begin 6 PM 2 AM 6 AM
Precip End 8 PM 5 AM Continuing
Mixing Hgt(ft-agl) 440 4410 370 2860
Transport Wnd (mph) NE 9 E 5 E 5 SE 10
Vent Rate (kt-ft) 3520 17640 1480 25740
Dispersion 2 5 1 5
DSI 2 1
Sunshine Hours 10 5
Max ADI Early 8 Poor 23 Fair 3 Very Poor 32 Fair
Max ADI Late 5 Very Poor 31 Fair 3 Very Poor 37 Fair
Max LVORI Early 7 6 6 8
Max LVORI Late 7 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the lower 70s. Minimum RH
76 percent. South winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 66 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 60 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 65 percent. Southeast winds around 5 mph.
.THURSDAY...Partly cloudy. A chance of showers. Lows in the upper
50s. Highs in the upper 70s. Minimum RH 73 percent. Southeast
winds around 5 mph.
$$
PAZ037-210830-
Tioga-
Including the cities of Mansfield and Wellsboro
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 51 (-9) 76 (+9) 54 73
RH % (24h trend) 99 (0) 51 (-36) 100 77
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var S 5
Precip Amount 0.00 0.00 0.00 0.07
Precip Duration 5
Precip Begin 6 AM
Precip End Continuing
Mixing Hgt(ft-agl) 420 4870 410 2960
Transport Wnd (mph) N 7 E 6 E 5 S 13
Vent Rate (kt-ft) 2520 24350 1640 32560
Dispersion 1 5 1 5
DSI 1 1
Sunshine Hours 11 5
Max ADI Early 5 Very Poor 23 Fair 3 Very Poor 45 Gen Good
Max ADI Late 3 Very Poor 40 Fair 3 Very Poor 42 Gen Good
Max LVORI Early 6 6 5 8
Max LVORI Late 7 2 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. A chance of showers and thunderstorms.
Lows in the upper 50s. Highs in the lower 70s. Minimum RH
72 percent. Southwest winds around 5 mph.
.MONDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 60s. Minimum RH 66 percent. West winds around 5 mph.
.TUESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
lower 70s. Minimum RH 60 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 63 percent. Southwest winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the upper
50s. Highs in the mid 70s. Minimum RH 68 percent. Southwest winds
around 5 mph.
$$
PAZ049-210830-
Union-
Including the city of Lewisburg
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Pcldy Mclear Pcldy Mcldy
Precip Type Rain None Showers Tstms
Chance Precip (%) 40 0 40 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 56 (-9) 79 (+9) 59 76
RH % (24h trend) 100 (+2) 55 (-35) 100 79
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.29 0.00 0.04 0.07
Precip Duration 0 1 5
Precip Begin 6 PM 2 AM Continuing
Precip End 8 PM Continuing Continuing
Mixing Hgt(ft-agl) 410 3880 400 2340
Transport Wnd (mph) N 8 E 6 E 5 SE 10
Vent Rate (kt-ft) 2870 19400 1600 21060
Dispersion 2 5 1 5
DSI 2 2
Sunshine Hours 10 4
Max ADI Early 8 Poor 19 Gen Poor 2 Very Poor 20 Gen Poor
Max ADI Late 4 Very Poor 28 Fair 3 Very Poor 28 Fair
Max LVORI Early 8 6 6 8
Max LVORI Late 8 3 7 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Areas of fog through the night. A chance
of showers and thunderstorms. Lows in the lower 60s. Highs in the
upper 70s. Minimum RH 67 percent. Southwest winds around 5 mph.
.MONDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 59 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the mid 50s. Highs in the mid
70s. Minimum RH 56 percent. Light winds.
.WEDNESDAY...Partly cloudy. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 60 percent. Light winds.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the lower
60s. Highs in the lower 80s. Minimum RH 67 percent. Light winds.
$$
PAZ004-210830-
Warren-
Including the city of Warren
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Mclear Mclear Clear Pcldy
Precip Type None None None Tstms
Chance Precip (%) 0 0 0 70
Chance of Thunder (%) 0 0 0 50
Temp (24h trend) 52 (-8) 80 (+7) 55 79
RH % (24h trend) 97 (-2) 43 (-25) 100 64
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00 0.06
Precip Duration 3
Precip Begin 2 PM
Precip End Continuing
Mixing Hgt(ft-agl) 410 5230 380 3340
Transport Wnd (mph) E 6 SE 6 E 5 S 10
Vent Rate (kt-ft) 2050 26150 1520 30060
Dispersion 1 5 1 5
DSI 2 2
Sunshine Hours 12 7
Max ADI Early 4 Very Poor 24 Fair 3 Very Poor 38 Fair
Max ADI Late 3 Very Poor 39 Fair 4 Very Poor 41 Gen Good
Max LVORI Early 6 6 6 8
Max LVORI Late 7 1 7 3
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Showers and a chance of thunderstorms. Lows in the
upper 50s. Highs in the lower 70s. Minimum RH 70 percent. West
winds around 5 mph.
.MONDAY...Mostly cloudy. A chance of showers. Lows in the lower
50s. Highs around 70. Minimum RH 62 percent. West winds around
5 mph.
.TUESDAY...Partly cloudy. Lows around 50. Highs in the mid 70s.
Minimum RH 54 percent. Southwest winds around 5 mph.
.WEDNESDAY...Partly cloudy. Lows in the lower 50s. Highs in the
upper 70s. Minimum RH 57 percent. South winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the upper
50s. Highs in the upper 70s. Minimum RH 63 percent. South winds
around 5 mph.
$$
PAZ065-210830-
York-
Including the city of York
256 PM EDT Thu Aug 20 2026
Tonight Fri Fri Night Sat
Cloud Cover Mcldy Pcldy Pcldy Mcldy
Precip Type Tstms None Tstms Tstms
Chance Precip (%) 90 0 40 70
Chance of Thunder (%) 50 0 20 50
Temp (24h trend) 60 (-7) 80 (+2) 63 79
RH % (24h trend) 99 (+8) 66 (-12) 100 82
20ftWnd-Val/AM(mph) Lgt/Var Lgt/Var
20ftWnd-Rdg/PM(mph) Lgt/Var Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.27 0.00 0.05 0.39
Precip Duration 1 1 8
Precip Begin 6 PM 11 PM Continuing
Precip End 10 PM Continuing Continuing
Mixing Hgt(ft-agl) 420 3790 310 1870
Transport Wnd (mph) N 8 E 6 E 6 E 8
Vent Rate (kt-ft) 2940 18950 1550 13090
Dispersion 2 5 1 4
DSI 2 2
Sunshine Hours 7 3
Max ADI Early 11 Poor 25 Fair 3 Very Poor 20 Gen Poor
Max ADI Late 6 Very Poor 32 Fair 4 Very Poor 21 Fair
Max LVORI Early 6 6 6 8
Max LVORI Late 7 3 9 4
Remarks: ADI is Atmospheric Dispersion Index by Lavdas.
LVORI is Low Visibility Occurrence Risk Index.
.FORECAST FOR DAYS 3 THROUGH 7...
.SUNDAY...Mostly cloudy. Patchy fog through the night. A chance
of showers. Lows in the mid 60s. Highs around 80. Minimum RH
70 percent. West winds around 5 mph.
.MONDAY...Mostly clear. Lows in the upper 50s. Highs in the upper
70s. Minimum RH 60 percent. West winds around 5 mph.
.TUESDAY...Mostly clear. Lows in the upper 50s. Highs in the
upper 70s. Minimum RH 59 percent. West winds around 5 mph.
.WEDNESDAY...Partly cloudy. A chance of showers and
thunderstorms. Lows in the lower 60s. Highs in the lower 80s.
Minimum RH 62 percent. South winds around 5 mph.
.THURSDAY...Mostly cloudy. A chance of showers. Lows in the mid
60s. Highs in the lower 80s. Minimum RH 69 percent. South winds
around 5 mph.
$$
.OUTLOOK 8 TO 14 DAYS...
Temperatures above normal. Precipitation above normal.
$$