285
FNUS51 KCTP 181815
FWFCTP
FIRE WEATHER PLANNING FORECAST FOR CENTRAL PENNSYLVANIA
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
215 PM EDT MON MAY 18 2026
DISCUSSION
TODAY AND TOMORROW WILL BE THE WARMEST DAYS OF THE YEAR TO DATE
WITH HIGHS IN THE 80S AND 90S AREAWIDE. DEWPOINTS IN THE UPPER 50S
TO LOW 60S WILL RESULT IN RH VALUES DIPPING BELOW 40% IN MANY
AREAS. A FEW SPOTS IN SOUTHEAST PA COULD SEE RH VALUES BELOW 30%.
SOUTHWEST WINDS WILL GUST 10 TO 20MPH EACH OF THE NEXT TWO
AFTERNOONS UNDER PARTLY CLOUDY SKIES.
A FEW SHOWERS AND THUNDERSTORMS MAY DEVELOP ACROSS SOUTH CENTRAL
PA THIS EVENING AND LIFT NORTHEASTWARD. THEN ON TUESDAY, SCATTERED
SHOWERS AND THUNDERSTORMS WILL DEVELOP, ESPECIALLY IN WESTERN AND
NORTHERN PA, DURING THE AFTERNOON AND EVENING. RAINFALL
ACCUMULATIONS SHOULD AVERAGE BELOW 0.10" TODAY AND TOMORROW (AND
MOST LOCATIONS LIKELY STAY DRY). NORTHWEST PA COULD SEE AS MUCH AS
A QUARTER TO HALF AN INCH.
A STRONG COLD FRONT WILL BRING SHOWERS AND SCATTERED
THUNDERSTORMS ON WEDNESDAY, SOME OF WHICH COULD BE SEVERE IN THE
AFTERNOON AND EARLY EVENING. COOLER, MORE SEASONABLE CONDITIONS
WILL FOLLOW FOR THE END OF THE WEEK AND INTO MEMORIAL DAY WEEKEND.
PAZ064-190815-
ADAMS-
INCLUDING THE CITY OF GETTYSBURG
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 90
CHANCE OF THUNDER (%) 0 0 0 50
TEMP (24H TREND) 67 (+5) 92 (0) 69 89
RH % (24H TREND) 77 (-16) 36 (-2) 66 46
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SW 6 G15 LGT/VAR W 6 G16
PRECIP AMOUNT 0.00 0.00 0.00 0.08
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 410 7410 430 6100
TRANSPORT WND (MPH) SW 9 W 18 SW 10 W 17
VENT RATE (KT-FT) 3280 118560 3870 91500
DISPERSION 2 5 2 5
DSI 1
SUNSHINE HOURS 10 6
MAX ADI EARLY 78 GOOD 88 GOOD 81 GOOD 102 VERY GOOD
MAX ADI LATE 4 VERY POOR 142 VERY GOOD5 VERY POOR 110 VERY GOOD
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 42 PERCENT. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 61 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS AROUND 70. MINIMUM RH 73 PERCENT. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. MINIMUM RH 71 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 64 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ034-190815-
BEDFORD-
INCLUDING THE CITY OF BEDFORD
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 30 0 0 90
CHANCE OF THUNDER (%) 30 0 0 50
TEMP (24H TREND) 64 (+4) 91 (+2) 68 84
RH % (24H TREND) 82 (0) 31 (-5) 72 51
20FTWND-VAL/AM(MPH) LGT/VAR W 7 G18
20FTWND-RDG/PM(MPH) LGT/VAR W 9 G19 SW 6 G18 W 8 G17
PRECIP AMOUNT 0.02 0.00 0.00 0.03
PRECIP DURATION 1 5
PRECIP BEGIN 6 PM 8 AM
PRECIP END 10 PM CONTINUING
MIXING HGT(FT-AGL) 410 6760 440 4450
TRANSPORT WND (MPH) W 9 W 20 W 10 W 21
VENT RATE (KT-FT) 3280 114920 3960 80100
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 76 GOOD 122 VERY GOOD81 GOOD 56 GEN GOOD
MAX ADI LATE 5 VERY POOR 138 VERY GOOD6 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 3 4 2 3
MAX LVORI LATE 4 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 35 PERCENT. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 60 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS IN THE UPPER 60S. MINIMUM RH 70 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. HIGHS IN THE MID 70S. MINIMUM
RH 66 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 59 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ025-190815-
BLAIR-
INCLUDING THE CITY OF ALTOONA
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE TSTMS TSTMS
CHANCE PRECIP (%) 20 0 20 80
CHANCE OF THUNDER (%) 20 0 20 20
TEMP (24H TREND) 66 (+6) 90 (+1) 67 81
RH % (24H TREND) 78 (-9) 36 (-2) 77 57
20FTWND-VAL/AM(MPH) SW 6 G23 W 8 G22
20FTWND-RDG/PM(MPH) SW 5 G15 W 11 G23 SW 7 G20 NW 9 G20
PRECIP AMOUNT 0.01 0.00 0.00 0.04
PRECIP DURATION 0 1 9
PRECIP BEGIN 6 PM 8 PM 8 AM
PRECIP END 10 PM 2 AM 6 PM
MIXING HGT(FT-AGL) 410 5870 480 3820
TRANSPORT WND (MPH) W 9 W 20 W 10 W 21
VENT RATE (KT-FT) 3280 99790 4320 68760
DISPERSION 2 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 86 GOOD 77 GOOD 63 GOOD 54 GEN GOOD
MAX ADI LATE 5 VERY POOR 72 GOOD 8 POOR 52 GEN GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. MINIMUM RH 37 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 56 PERCENT. EAST WINDS AROUND
5 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS IN THE UPPER 60S. MINIMUM RH 70 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. MINIMUM RH 66 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 59 PERCENT. SOUTH WINDS
AROUND 5 MPH.
PAZ024-190815-
CAMBRIA-
INCLUDING THE CITY OF JOHNSTOWN
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 30 90
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 66 (+6) 86 (0) 66 76
RH % (24H TREND) 76 (-12) 40 (-2) 79 62
20FTWND-VAL/AM(MPH) SW 8 G22 W 9 G22
20FTWND-RDG/PM(MPH) S 5 G15 W 11 G23 SW 7 G20 NW 9 G20
PRECIP AMOUNT 0.00 0.00 0.00 0.08
PRECIP DURATION 2 9
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 420 5780 490 2950
TRANSPORT WND (MPH) SW 12 W 21 SW 12 W 20
VENT RATE (KT-FT) 4200 104040 4900 50150
DISPERSION 2 5 3 5
DSI 0
SUNSHINE HOURS 9 4
MAX ADI EARLY 78 GOOD 60 GEN GOOD 53 GEN GOOD 33 FAIR
MAX ADI LATE 8 POOR 69 GOOD 12 POOR 32 FAIR
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 4 1 4 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. MINIMUM RH 40 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 57 PERCENT. EAST WINDS 5 TO
10 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS IN THE UPPER 60S. MINIMUM RH 71 PERCENT.
SOUTHEAST WINDS AROUND 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 67 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 60 PERCENT. SOUTH WINDS
AROUND 5 MPH.
PAZ011-190815-
CAMERON-
INCLUDING THE CITY OF EMPORIUM
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 30 70
CHANCE OF THUNDER (%) 0 30 30 20
TEMP (24H TREND) 64 (+4) 87 (-1) 64 76
RH % (24H TREND) 82 (-7) 42 (+3) 84 47
20FTWND-VAL/AM(MPH) SW 5 G19 W 6 G18
20FTWND-RDG/PM(MPH) SW 5 G15 SW 9 G21 SW 6 G19 NW 6 G16
PRECIP AMOUNT 0.00 0.01 0.01 0.04
PRECIP DURATION 1 2 5
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL) 410 5030 500 3000
TRANSPORT WND (MPH) SW 9 W 24 W 10 NW 16
VENT RATE (KT-FT) 3280 105630 4500 42000
DISPERSION 2 5 3 5
DSI 0
SUNSHINE HOURS 8 5
MAX ADI EARLY 128 VERY GOOD111 VERY GOOD66 GOOD 35 FAIR
MAX ADI LATE 5 VERY POOR 126 VERY GOOD8 POOR 47 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
MID 60S. MINIMUM RH 36 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 52 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER
60S. MINIMUM RH 67 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 61 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 56 PERCENT. SOUTH WINDS
AROUND 5 MPH.
PAZ017-190815-
CLEARFIELD-
INCLUDING THE CITIES OF DUBOIS AND CLEARFIELD
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 40 80
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 65 (+6) 87 (0) 66 76
RH % (24H TREND) 82 (-7) 40 (0) 83 51
20FTWND-VAL/AM(MPH) SW 6 G21 W 7 G18
20FTWND-RDG/PM(MPH) SW 5 G15 W 11 G22 SW 7 G19 NW 8 G17
PRECIP AMOUNT 0.00 0.01 0.01 0.05
PRECIP DURATION 1 2 7
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL) 410 4900 490 2950
TRANSPORT WND (MPH) SW 10 SW 22 SW 12 NW 18
VENT RATE (KT-FT) 3690 93100 4900 47200
DISPERSION 2 5 3 5
DSI 0
SUNSHINE HOURS 8 4
MAX ADI EARLY 111 VERY GOOD61 GOOD 58 GEN GOOD 41 GEN GOOD
MAX ADI LATE 6 VERY POOR 66 GOOD 11 POOR 40 FAIR
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. MINIMUM RH 37 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 52 PERCENT. EAST WINDS 5 TO
10 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 68 PERCENT. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 63 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 57 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
PAZ053-190815-
COLUMBIA-
INCLUDING THE CITIES OF BLOOMSBURG AND BERWICK
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 90
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 65 (+4) 91 (0) 66 85
RH % (24H TREND) 78 (-16) 39 (+1) 75 53
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G16
20FTWND-RDG/PM(MPH) LGT/VAR W 6 G17 LGT/VAR NW 6 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.07
PRECIP DURATION 0 9
PRECIP BEGIN 8 PM 8 AM
PRECIP END 12 AM 6 PM
MIXING HGT(FT-AGL) 360 6110 390 4290
TRANSPORT WND (MPH) SW 5 W 21 SW 9 W 18
VENT RATE (KT-FT) 1440 109980 3120 68640
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 46 GEN GOOD 60 GEN GOOD 31 FAIR 52 GEN GOOD
MAX ADI LATE 4 VERY POOR 136 VERY GOOD4 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. MINIMUM RH 41 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 51 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 69 PERCENT. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 66 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 59 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ063-190815-
CUMBERLAND-
INCLUDING THE CITY OF CARLISLE
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 90
CHANCE OF THUNDER (%) 0 0 0 50
TEMP (24H TREND) 66 (+4) 94 (+1) 68 89
RH % (24H TREND) 75 (-16) 33 (-2) 65 46
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G16
20FTWND-RDG/PM(MPH) LGT/VAR W 7 G17 LGT/VAR W 8 G16
PRECIP AMOUNT 0.00 0.00 0.00 0.05
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 400 7070 430 5790
TRANSPORT WND (MPH) W 8 W 20 SW 9 W 18
VENT RATE (KT-FT) 2800 120190 3440 92640
DISPERSION 2 5 2 5
DSI 1
SUNSHINE HOURS 10 6
MAX ADI EARLY 76 GOOD 95 GOOD 78 GOOD 112 VERY GOOD
MAX ADI LATE 4 VERY POOR 144 VERY GOOD5 VERY POOR 112 VERY GOOD
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 40 PERCENT. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 57 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS IN THE UPPER 60S. MINIMUM RH 71 PERCENT. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. MINIMUM RH 69 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 61 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ057-190815-
DAUPHIN-
INCLUDING THE CITIES OF HARRISBURG AND HERSHEY
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 90
CHANCE OF THUNDER (%) 0 0 0 50
TEMP (24H TREND) 67 (+2) 93 (0) 68 89
RH % (24H TREND) 77 (-13) 37 (+1) 68 48
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G17
20FTWND-RDG/PM(MPH) LGT/VAR W 8 G17 LGT/VAR W 9 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 380 7360 410 5490
TRANSPORT WND (MPH) SW 7 W 20 SW 9 W 20
VENT RATE (KT-FT) 2280 125120 3280 93330
DISPERSION 1 5 2 5
DSI 1
SUNSHINE HOURS 10 6
MAX ADI EARLY 66 GOOD 74 GOOD 65 GOOD 106 VERY GOOD
MAX ADI LATE 4 VERY POOR 144 VERY GOOD5 VERY POOR 103 VERY GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 60S. MINIMUM RH 42 PERCENT. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 60S. MINIMUM RH 55 PERCENT. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 70 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 68 PERCENT. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 60 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ010-190815-
ELK-
INCLUDING THE CITIES OF ST. MARYS AND RIDGWAY
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 60 70
CHANCE OF THUNDER (%) 0 40 50 0
TEMP (24H TREND) 65 (+7) 86 (0) 63 73
RH % (24H TREND) 80 (-12) 44 (+3) 84 49
20FTWND-VAL/AM(MPH) SW 6 G20 W 6 G16
20FTWND-RDG/PM(MPH) SW 5 G15 SW 11 G22 SW 6 G20 NW 7 G16
PRECIP AMOUNT 0.00 0.01 0.04 0.04
PRECIP DURATION 1 6 6
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL) 440 4690 480 2740
TRANSPORT WND (MPH) SW 9 SW 24 W 10 NW 16
VENT RATE (KT-FT) 3520 98490 4320 38360
DISPERSION 2 5 2 5
DSI 0
SUNSHINE HOURS 7 5
MAX ADI EARLY 117 VERY GOOD79 GOOD 52 GEN GOOD 31 FAIR
MAX ADI LATE 6 VERY POOR 69 GOOD 10 POOR 36 FAIR
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
MID 60S. MINIMUM RH 36 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 54 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 69 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 63 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 57 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
PAZ036-190815-
FRANKLIN-
INCLUDING THE CITY OF CHAMBERSBURG
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 90
CHANCE OF THUNDER (%) 20 0 0 50
TEMP (24H TREND) 66 (+4) 93 (+1) 68 88
RH % (24H TREND) 82 (-8) 31 (-6) 69 48
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G16
20FTWND-RDG/PM(MPH) LGT/VAR SW 7 G17 LGT/VAR W 8 G16
PRECIP AMOUNT 0.01 0.00 0.00 0.04
PRECIP DURATION 0 5
PRECIP BEGIN 6 PM 8 AM
PRECIP END 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 6840 410 5850
TRANSPORT WND (MPH) SW 8 W 18 W 9 W 17
VENT RATE (KT-FT) 2800 109440 3280 87750
DISPERSION 1 5 2 5
DSI 1
SUNSHINE HOURS 10 6
MAX ADI EARLY 59 GEN GOOD 99 GOOD 63 GOOD 107 VERY GOOD
MAX ADI LATE 4 VERY POOR 132 VERY GOOD5 VERY POOR 106 VERY GOOD
MAX LVORI EARLY 3 4 2 3
MAX LVORI LATE 4 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 38 PERCENT. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
HIGHS IN THE MID 60S. MINIMUM RH 61 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS AROUND 70. MINIMUM RH 72 PERCENT. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 70 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 62 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ035-190815-
FULTON-
INCLUDING THE CITY OF MCCONNELLSBURG
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 30 0 0 90
CHANCE OF THUNDER (%) 30 0 0 50
TEMP (24H TREND) 66 (+5) 92 (0) 68 87
RH % (24H TREND) 82 (-7) 30 (-4) 68 49
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G17
20FTWND-RDG/PM(MPH) LGT/VAR W 7 G17 LGT/VAR W 7 G16
PRECIP AMOUNT 0.02 0.00 0.00 0.03
PRECIP DURATION 1 5
PRECIP BEGIN 6 PM 8 AM
PRECIP END 10 PM CONTINUING
MIXING HGT(FT-AGL) 400 7240 410 5400
TRANSPORT WND (MPH) W 8 W 20 W 9 W 18
VENT RATE (KT-FT) 2800 123080 3280 86400
DISPERSION 1 5 2 5
DSI 1
SUNSHINE HOURS 9 6
MAX ADI EARLY 70 GOOD 127 VERY GOOD74 GOOD 108 VERY GOOD
MAX ADI LATE 4 VERY POOR 147 VERY GOOD5 VERY POOR 111 VERY GOOD
MAX LVORI EARLY 3 4 2 3
MAX LVORI LATE 4 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 37 PERCENT. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 62 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS AROUND 70. MINIMUM RH 71 PERCENT. LIGHT WINDS.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 67 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 59 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ026-190815-
HUNTINGDON-
INCLUDING THE CITIES OF HUNTINGDON AND MOUNT UNION
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 30 0 0 90
CHANCE OF THUNDER (%) 30 0 0 50
TEMP (24H TREND) 64 (+4) 91 (0) 68 85
RH % (24H TREND) 82 (-9) 32 (-3) 73 52
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G17
20FTWND-RDG/PM(MPH) LGT/VAR W 8 G19 SW 5 G17 NW 7 G17
PRECIP AMOUNT 0.01 0.00 0.00 0.03
PRECIP DURATION 1 5
PRECIP BEGIN 6 PM 8 AM
PRECIP END 10 PM CONTINUING
MIXING HGT(FT-AGL) 380 6350 430 4300
TRANSPORT WND (MPH) W 8 W 22 W 9 W 21
VENT RATE (KT-FT) 2660 120650 3440 77400
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 10 6
MAX ADI EARLY 83 GOOD 120 VERY GOOD77 GOOD 58 GEN GOOD
MAX ADI LATE 4 VERY POOR 144 VERY GOOD5 VERY POOR 62 GOOD
MAX LVORI EARLY 3 4 2 3
MAX LVORI LATE 4 1 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. MINIMUM RH 36 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 55 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS IN THE UPPER 60S. MINIMUM RH 70 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. MINIMUM RH 66 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 59 PERCENT. WEST WINDS
AROUND 5 MPH.
PAZ028-190815-
JUNIATA-
INCLUDING THE CITY OF MIFFLINTOWN
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 80
CHANCE OF THUNDER (%) 20 0 0 50
TEMP (24H TREND) 66 (+5) 93 (0) 68 86
RH % (24H TREND) 82 (-11) 33 (-2) 71 51
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G18
20FTWND-RDG/PM(MPH) LGT/VAR W 7 G17 SW 5 G17 NW 7 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1 5
PRECIP BEGIN 6 PM 8 AM
PRECIP END 11 PM 6 PM
MIXING HGT(FT-AGL) 360 6720 410 4680
TRANSPORT WND (MPH) W 7 W 21 W 9 W 20
VENT RATE (KT-FT) 2160 120960 3280 79560
DISPERSION 1 5 2 5
DSI 1
SUNSHINE HOURS 10 6
MAX ADI EARLY 51 GEN GOOD 113 VERY GOOD60 GEN GOOD 106 VERY GOOD
MAX ADI LATE 4 VERY POOR 144 VERY GOOD4 VERY POOR 108 VERY GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 5 1 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER
60S. MINIMUM RH 39 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 56 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 72 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 69 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 61 PERCENT. LIGHT WINDS.
PAZ066-190815-
LANCASTER-
INCLUDING THE CITY OF LANCASTER
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 90
CHANCE OF THUNDER (%) 0 0 0 50
TEMP (24H TREND) 67 (+3) 92 (-1) 69 92
RH % (24H TREND) 79 (-11) 36 (-3) 66 41
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G16
20FTWND-RDG/PM(MPH) S 7 G15 W 9 G18 SW 7 G16 W 11 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.11
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 400 7800 430 6190
TRANSPORT WND (MPH) SW 8 W 20 SW 12 W 20
VENT RATE (KT-FT) 2800 132600 4300 105230
DISPERSION 2 5 2 5
DSI 0
SUNSHINE HOURS 10 6
MAX ADI EARLY 56 GEN GOOD 79 GOOD 44 GEN GOOD 56 GEN GOOD
MAX ADI LATE 5 VERY POOR 132 VERY GOOD7 POOR 66 GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 44 PERCENT. NORTH WINDS
5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE MID 60S. MINIMUM RH 56 PERCENT. EAST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 71 PERCENT. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 71 PERCENT. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 63 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ059-190815-
LEBANON-
INCLUDING THE CITY OF LEBANON
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 90
CHANCE OF THUNDER (%) 0 0 0 50
TEMP (24H TREND) 66 (+3) 92 (-1) 68 90
RH % (24H TREND) 81 (-11) 39 (+1) 70 48
20FTWND-VAL/AM(MPH) LGT/VAR W 7 G17
20FTWND-RDG/PM(MPH) SW 5 G13 W 9 G18 SW 5 G15 W 11
PRECIP AMOUNT 0.00 0.00 0.00 0.07
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 390 7120 410 5420
TRANSPORT WND (MPH) SW 7 W 20 SW 9 W 20
VENT RATE (KT-FT) 2340 121040 3280 92140
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 6
MAX ADI EARLY 50 GEN GOOD 67 GOOD 47 GEN GOOD 57 GEN GOOD
MAX ADI LATE 5 VERY POOR 128 VERY GOOD5 VERY POOR 66 GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 60S. MINIMUM RH 44 PERCENT. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 60S. MINIMUM RH 55 PERCENT. EAST
WINDS AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 71 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 70 PERCENT. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 62 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
PAZ005-190815-
MCKEAN-
INCLUDING THE CITY OF BRADFORD
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 30 70 50
CHANCE OF THUNDER (%) 0 30 50 0
TEMP (24H TREND) 65 (+3) 85 (-1) 59 68
RH % (24H TREND) 78 (-6) 43 (+5) 85 45
20FTWND-VAL/AM(MPH) SW 7 G19 W 6 G15
20FTWND-RDG/PM(MPH) SW 6 G16 SW 11 G21 SW 7 G19 NW 7 G14
PRECIP AMOUNT 0.00 0.02 0.06 0.02
PRECIP DURATION 1 8 7
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(FT-AGL) 450 4660 540 2790
TRANSPORT WND (MPH) SW 9 SW 25 SW 12 NW 16
VENT RATE (KT-FT) 3600 102520 5400 39060
DISPERSION 2 5 3 5
DSI 0
SUNSHINE HOURS 7 5
MAX ADI EARLY 133 VERY GOOD67 GOOD 54 GEN GOOD 28 FAIR
MAX ADI LATE 8 POOR 71 GOOD 12 POOR 54 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE
LOWER 60S. MINIMUM RH 35 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE MID 60S. MINIMUM RH 50 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S.
MINIMUM RH 66 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. MINIMUM RH 60 PERCENT. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. MINIMUM RH 55 PERCENT. SOUTH WINDS
AROUND 5 MPH.
PAZ027-190815-
MIFFLIN-
INCLUDING THE CITY OF LEWISTOWN
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 30 0 0 80
CHANCE OF THUNDER (%) 20 0 0 20
TEMP (24H TREND) 65 (+5) 93 (+1) 67 86
RH % (24H TREND) 85 (-8) 35 (-1) 73 54
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G18
20FTWND-RDG/PM(MPH) LGT/VAR W 8 G18 SW 5 G17 NW 7 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1 5
PRECIP BEGIN 6 PM 8 AM
PRECIP END 11 PM 6 PM
MIXING HGT(FT-AGL) 380 6320 430 4260
TRANSPORT WND (MPH) W 8 W 21 W 8 W 20
VENT RATE (KT-FT) 2660 113760 3010 72420
DISPERSION 2 5 2 5
DSI 0
SUNSHINE HOURS 10 6
MAX ADI EARLY 43 GEN GOOD 115 VERY GOOD51 GEN GOOD 58 GEN GOOD
MAX ADI LATE 4 VERY POOR 140 VERY GOOD5 VERY POOR 62 GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 5 1 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. MINIMUM RH 38 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 56 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER
60S. MINIMUM RH 72 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. MINIMUM RH 68 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 61 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ051-190815-
MONTOUR-
INCLUDING THE CITY OF DANVILLE
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS NONE TSTMS
CHANCE PRECIP (%) 20 20 0 90
CHANCE OF THUNDER (%) 20 20 0 20
TEMP (24H TREND) 66 (+5) 90 (-2) 68 85
RH % (24H TREND) 80 (-15) 38 (+2) 72 54
20FTWND-VAL/AM(MPH) LGT/VAR SW 5 G15
20FTWND-RDG/PM(MPH) LGT/VAR W 8 G17 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.01 0.00 0.00 0.07
PRECIP DURATION 0 0 9
PRECIP BEGIN 8 PM 2 PM 8 AM
PRECIP END 12 AM 6 PM 6 PM
MIXING HGT(FT-AGL) 370 5950 390 4350
TRANSPORT WND (MPH) S 5 W 21 SW 7 W 18
VENT RATE (KT-FT) 1480 107100 2340 69600
DISPERSION 1 5 1 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 56 GEN GOOD 60 GEN GOOD 25 FAIR 52 GEN GOOD
MAX ADI LATE 4 VERY POOR 127 VERY GOOD4 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 60S. MINIMUM RH 40 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 50 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 67 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 65 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 57 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ018-190815-
NORTHERN CENTRE-
INCLUDING THE CITY OF PHILIPSBURG
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 20 20 70
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 65 (+5) 87 (-1) 66 78
RH % (24H TREND) 82 (-2) 39 (+2) 81 50
20FTWND-VAL/AM(MPH) SW 6 G22 W 8 G21
20FTWND-RDG/PM(MPH) SW 5 G14 W 10 G22 SW 7 G19 NW 8 G20
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 0 1 5
PRECIP BEGIN 2 PM CONTINUING 8 AM
PRECIP END CONTINUING 2 AM 6 PM
MIXING HGT(FT-AGL) 410 5090 480 3390
TRANSPORT WND (MPH) SW 10 SW 22 SW 12 W 20
VENT RATE (KT-FT) 3690 96710 4800 57630
DISPERSION 2 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 112 VERY GOOD80 GOOD 63 GOOD 50 GEN GOOD
MAX ADI LATE 6 VERY POOR 71 GOOD 10 POOR 49 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. MINIMUM RH 36 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 51 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S.
MINIMUM RH 68 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 63 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 57 PERCENT. SOUTH WINDS
AROUND 5 MPH.
PAZ012-190815-
NORTHERN CLINTON-
INCLUDING THE CITY OF RENOVO
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 0 30 20 70
CHANCE OF THUNDER (%) 0 20 20 20
TEMP (24H TREND) 64 (+3) 88 (0) 65 78
RH % (24H TREND) 84 (-2) 40 (+3) 84 46
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G19
20FTWND-RDG/PM(MPH) LGT/VAR W 9 G21 SW 5 G18 NW 6 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1 1 6
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL) 380 5330 470 3260
TRANSPORT WND (MPH) W 8 W 22 SW 10 W 20
VENT RATE (KT-FT) 2660 101270 4230 55420
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 99 GOOD 106 VERY GOOD59 GEN GOOD 45 GEN GOOD
MAX ADI LATE 5 VERY POOR 130 VERY GOOD7 POOR 47 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. MINIMUM RH 36 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 50 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S.
MINIMUM RH 66 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 61 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 55 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH.
PAZ041-190815-
NORTHERN LYCOMING-
INCLUDING THE CITY OF TROUT RUN
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS TSTMS NONE TSTMS
CHANCE PRECIP (%) 20 20 0 80
CHANCE OF THUNDER (%) 0 20 0 20
TEMP (24H TREND) 63 (+1) 87 (-1) 65 78
RH % (24H TREND) 84 (-4) 42 (+2) 80 52
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G17
20FTWND-RDG/PM(MPH) LGT/VAR SW 10 G21 SW 6 G18 NW 8 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 0 0 7
PRECIP BEGIN 8 PM 3 PM 8 AM
PRECIP END 12 AM 6 PM 6 PM
MIXING HGT(FT-AGL) 350 5290 450 3610
TRANSPORT WND (MPH) SW 7 SW 22 SW 12 W 20
VENT RATE (KT-FT) 2100 100510 4500 61370
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 6
MAX ADI EARLY 77 GOOD 108 VERY GOOD53 GEN GOOD 48 GEN GOOD
MAX ADI LATE 4 VERY POOR 122 VERY GOOD7 POOR 49 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. MINIMUM RH 43 PERCENT. NORTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 57 PERCENT. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
60S. MINIMUM RH 73 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 68 PERCENT. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. MINIMUM RH 61 PERCENT. SOUTHWEST
WINDS AROUND 5 MPH.
PAZ052-190815-
NORTHUMBERLAND-
INCLUDING THE CITIES OF SUNBURY AND SHAMOKIN
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 90
CHANCE OF THUNDER (%) 20 0 0 50
TEMP (24H TREND) 66 (+3) 90 (-2) 68 86
RH % (24H TREND) 80 (-13) 38 (+1) 72 52
20FTWND-VAL/AM(MPH) LGT/VAR SW 5 G15
20FTWND-RDG/PM(MPH) LGT/VAR W 7 G17 LGT/VAR NW 7 G16
PRECIP AMOUNT 0.00 0.00 0.00 0.07
PRECIP DURATION 0 9
PRECIP BEGIN 7 PM 8 AM
PRECIP END 12 AM 6 PM
MIXING HGT(FT-AGL) 370 6370 400 4530
TRANSPORT WND (MPH) SW 6 W 21 SW 8 W 18
VENT RATE (KT-FT) 1850 114660 2800 72480
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 67 GOOD 67 GOOD 38 FAIR 54 GEN GOOD
MAX ADI LATE 4 VERY POOR 140 VERY GOOD4 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 60S. MINIMUM RH 41 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 52 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
HIGHS IN THE UPPER 60S. MINIMUM RH 69 PERCENT. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 66 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 59 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ056-190815-
PERRY-
INCLUDING THE CITY OF NEWPORT
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 90
CHANCE OF THUNDER (%) 0 0 0 50
TEMP (24H TREND) 67 (+5) 93 (0) 69 88
RH % (24H TREND) 77 (-15) 33 (-2) 67 49
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G17
20FTWND-RDG/PM(MPH) LGT/VAR W 7 G17 SW 5 G16 W 8 G16
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 1 5
PRECIP BEGIN 6 PM 8 AM
PRECIP END 11 PM CONTINUING
MIXING HGT(FT-AGL) 360 7110 410 5200
TRANSPORT WND (MPH) W 8 W 21 W 9 W 20
VENT RATE (KT-FT) 2520 127980 3280 88400
DISPERSION 1 5 2 5
DSI 1
SUNSHINE HOURS 10 6
MAX ADI EARLY 81 GOOD 115 VERY GOOD79 GOOD 109 VERY GOOD
MAX ADI LATE 4 VERY POOR 149 VERY GOOD6 VERY POOR 103 VERY GOOD
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. HIGHS IN THE
UPPER 60S. MINIMUM RH 40 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE MID 60S. MINIMUM RH 56 PERCENT. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 72 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 70 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 61 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ006-190815-
POTTER-
INCLUDING THE CITY OF COUDERSPORT
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 30 30 60
CHANCE OF THUNDER (%) 0 30 20 0
TEMP (24H TREND) 64 (+2) 85 (-1) 62 72
RH % (24H TREND) 82 (-2) 44 (+4) 85 47
20FTWND-VAL/AM(MPH) SW 7 G20 W 8 G17
20FTWND-RDG/PM(MPH) SW 6 G16 SW 11 G22 SW 8 G20 NW 8 G16
PRECIP AMOUNT 0.00 0.01 0.01 0.02
PRECIP DURATION 1 2 5
PRECIP BEGIN 10 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 6 PM
MIXING HGT(FT-AGL) 410 4910 530 2900
TRANSPORT WND (MPH) SW 9 W 25 SW 13 NW 16
VENT RATE (KT-FT) 3280 108020 5830 40600
DISPERSION 2 5 3 5
DSI 0
SUNSHINE HOURS 8 5
MAX ADI EARLY 115 VERY GOOD82 GOOD 58 GEN GOOD 34 FAIR
MAX ADI LATE 7 POOR 78 GOOD 12 POOR 54 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER
60S. MINIMUM RH 39 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 54 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S.
MINIMUM RH 70 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS AROUND 70. MINIMUM RH 64 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. MINIMUM RH 59 PERCENT. SOUTH WINDS
AROUND 5 MPH.
PAZ058-190815-
SCHUYLKILL-
INCLUDING THE CITY OF POTTSVILLE
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 90
CHANCE OF THUNDER (%) 0 0 0 50
TEMP (24H TREND) 66 (+4) 90 (0) 67 86
RH % (24H TREND) 79 (-14) 41 (+1) 71 50
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G17
20FTWND-RDG/PM(MPH) LGT/VAR W 6 G17 LGT/VAR W 6 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END 6 PM
MIXING HGT(FT-AGL) 370 7090 370 4380
TRANSPORT WND (MPH) W 7 W 21 SW 9 W 20
VENT RATE (KT-FT) 2220 127620 2960 74460
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 6
MAX ADI EARLY 94 GOOD 91 GOOD 46 GEN GOOD 101 VERY GOOD
MAX ADI LATE 4 VERY POOR 155 VERY GOOD5 VERY POOR 99 GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 60S. MINIMUM RH 43 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 54 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 72 PERCENT. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS AROUND 70. MINIMUM RH 70 PERCENT. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 62 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ050-190815-
SNYDER-
INCLUDING THE CITY OF SELINSGROVE
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 80
CHANCE OF THUNDER (%) 20 0 0 20
TEMP (24H TREND) 65 (+2) 91 (0) 68 85
RH % (24H TREND) 82 (-8) 38 (+1) 71 53
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G19
20FTWND-RDG/PM(MPH) LGT/VAR W 8 G19 SW 5 G17 NW 8 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 1 5
PRECIP BEGIN 6 PM 8 AM
PRECIP END 12 AM 6 PM
MIXING HGT(FT-AGL) 370 6230 410 4620
TRANSPORT WND (MPH) SW 7 W 20 W 9 W 20
VENT RATE (KT-FT) 2220 105910 3280 78540
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 6
MAX ADI EARLY 51 GEN GOOD 90 GOOD 47 GEN GOOD 58 GEN GOOD
MAX ADI LATE 4 VERY POOR 133 VERY GOOD6 VERY POOR 59 GEN GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 5 1 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE MID 60S.
MINIMUM RH 43 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 56 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 73 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 70 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 63 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ033-190815-
SOMERSET-
INCLUDING THE CITY OF SOMERSET
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 30 90
CHANCE OF THUNDER (%) 0 0 20 50
TEMP (24H TREND) 64 (+4) 85 (0) 66 77
RH % (24H TREND) 78 (-6) 40 (-5) 80 65
20FTWND-VAL/AM(MPH) SW 7 G20 W 8 G20
20FTWND-RDG/PM(MPH) LGT/VAR W 10 G20 SW 6 G18 W 8 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.10
PRECIP DURATION 1 9
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT(FT-AGL) 430 5920 470 3470
TRANSPORT WND (MPH) SW 10 SW 22 W 12 W 20
VENT RATE (KT-FT) 3870 112480 4700 58990
DISPERSION 2 5 2 5
DSI 0
SUNSHINE HOURS 9 4
MAX ADI EARLY 68 GOOD 59 GEN GOOD 66 GOOD 48 GEN GOOD
MAX ADI LATE 5 VERY POOR 96 GOOD 9 POOR 43 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 4
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 44 PERCENT. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 65 PERCENT. EAST WINDS
5 TO 10 MPH.
SATURDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN THE
LOWER 50S. HIGHS IN THE UPPER 60S. MINIMUM RH 76 PERCENT.
SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE LOWER 70S.
MINIMUM RH 71 PERCENT. SOUTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 64 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
PAZ019-190815-
SOUTHERN CENTRE-
INCLUDING THE CITY OF STATE COLLEGE
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 70
CHANCE OF THUNDER (%) 20 0 0 20
TEMP (24H TREND) 65 (+6) 89 (-1) 68 82
RH % (24H TREND) 80 (-12) 40 (+2) 76 53
20FTWND-VAL/AM(MPH) LGT/VAR W 7 G19
20FTWND-RDG/PM(MPH) LGT/VAR W 9 G19 SW 6 G18 NW 8 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1 8
PRECIP BEGIN 6 PM 8 AM
PRECIP END 11 PM 6 PM
MIXING HGT(FT-AGL) 370 5450 440 3860
TRANSPORT WND (MPH) W 8 W 21 SW 10 W 21
VENT RATE (KT-FT) 2590 98100 3960 69480
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 60 GEN GOOD 112 VERY GOOD43 GEN GOOD 55 GEN GOOD
MAX ADI LATE 5 VERY POOR 130 VERY GOOD8 POOR 55 GEN GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 60S. MINIMUM RH 39 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 54 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 71 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 66 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 60 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH.
PAZ045-190815-
SOUTHERN CLINTON-
INCLUDING THE CITY OF LOCK HAVEN
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS TSTMS
CHANCE PRECIP (%) 20 20 20 80
CHANCE OF THUNDER (%) 20 20 20 20
TEMP (24H TREND) 65 (+4) 89 (-1) 67 82
RH % (24H TREND) 83 (-5) 39 (+3) 77 52
20FTWND-VAL/AM(MPH) LGT/VAR W 7 G18
20FTWND-RDG/PM(MPH) LGT/VAR W 9 G20 SW 6 G17 NW 7 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1 0 0 9
PRECIP BEGIN 6 PM 3 PM CONTINUING 8 AM
PRECIP END 11 PM CONTINUING 8 PM 6 PM
MIXING HGT(FT-AGL) 370 5670 430 3680
TRANSPORT WND (MPH) W 7 W 22 SW 9 W 20
VENT RATE (KT-FT) 2220 107730 3440 62560
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 46 GEN GOOD 110 VERY GOOD43 GEN GOOD 51 GEN GOOD
MAX ADI LATE 5 VERY POOR 134 VERY GOOD7 POOR 54 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 5 1 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE MID
60S. MINIMUM RH 38 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 51 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER
60S. MINIMUM RH 68 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 64 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 58 PERCENT. SOUTH WINDS
AROUND 5 MPH.
PAZ046-190815-
SOUTHERN LYCOMING-
INCLUDING THE CITY OF WILLIAMSPORT
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS NONE TSTMS
CHANCE PRECIP (%) 20 20 0 80
CHANCE OF THUNDER (%) 20 20 0 20
TEMP (24H TREND) 64 (+3) 89 (-1) 67 82
RH % (24H TREND) 85 (-7) 40 (+2) 78 52
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G17
20FTWND-RDG/PM(MPH) LGT/VAR W 9 G20 LGT/VAR NW 8 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 1 0 9
PRECIP BEGIN 6 PM 2 PM 8 AM
PRECIP END 12 AM 6 PM 6 PM
MIXING HGT(FT-AGL) 350 5620 390 3950
TRANSPORT WND (MPH) SW 5 W 20 SW 8 W 18
VENT RATE (KT-FT) 1400 95540 2730 63200
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 40 FAIR 85 GOOD 33 FAIR 49 GEN GOOD
MAX ADI LATE 4 VERY POOR 114 VERY GOOD5 VERY POOR 50 GEN GOOD
MAX LVORI EARLY 3 5 3 4
MAX LVORI LATE 5 1 4 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 60S. MINIMUM RH 41 PERCENT. NORTH WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 52 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S.
MINIMUM RH 69 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 65 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 58 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ042-190815-
SULLIVAN-
INCLUDING THE CITY OF LAPORTE
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 20 0 90
CHANCE OF THUNDER (%) 0 20 0 20
TEMP (24H TREND) 64 (+2) 86 (0) 65 79
RH % (24H TREND) 82 (-10) 46 (+2) 79 61
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G19
20FTWND-RDG/PM(MPH) LGT/VAR SW 9 G20 SW 6 G18 NW 7 G18
PRECIP AMOUNT 0.00 0.01 0.00 0.07
PRECIP DURATION 0 9
PRECIP BEGIN 3 PM 8 AM
PRECIP END 6 PM 6 PM
MIXING HGT(FT-AGL) 360 5240 450 3750
TRANSPORT WND (MPH) SW 9 SW 21 SW 12 W 18
VENT RATE (KT-FT) 2880 94320 4500 60000
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 93 GOOD 85 GOOD 49 GEN GOOD 50 GEN GOOD
MAX ADI LATE 5 VERY POOR 122 VERY GOOD8 POOR 50 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 60S. MINIMUM RH 47 PERCENT. NORTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER
60S. MINIMUM RH 77 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 71 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. MINIMUM RH 64 PERCENT. NORTH WINDS
AROUND 5 MPH.
PAZ037-190815-
TIOGA-
INCLUDING THE CITIES OF MANSFIELD AND WELLSBORO
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 0 20 0 70
CHANCE OF THUNDER (%) 0 20 0 20
TEMP (24H TREND) 64 (+3) 86 (-1) 65 74
RH % (24H TREND) 81 (-8) 43 (+3) 80 49
20FTWND-VAL/AM(MPH) SW 6 G18 W 7 G16
20FTWND-RDG/PM(MPH) SW 5 G15 SW 11 G21 SW 7 G19 NW 8 G16
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 0 5
PRECIP BEGIN 3 PM 8 AM
PRECIP END 6 PM 6 PM
MIXING HGT(FT-AGL) 390 5270 530 3350
TRANSPORT WND (MPH) SW 10 W 23 SW 13 NW 17
VENT RATE (KT-FT) 3510 105400 5830 50250
DISPERSION 2 5 3 5
DSI 0
SUNSHINE HOURS 9 6
MAX ADI EARLY 107 VERY GOOD105 VERY GOOD51 GEN GOOD 44 GEN GOOD
MAX ADI LATE 8 POOR 77 GOOD 10 POOR 68 GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 4 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE
UPPER 50S. MINIMUM RH 44 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 55 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 71 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 66 PERCENT. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE LOWER 70S. MINIMUM RH 60 PERCENT. SOUTHWEST
WINDS AROUND 5 MPH.
PAZ049-190815-
UNION-
INCLUDING THE CITY OF LEWISBURG
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE TSTMS
CHANCE PRECIP (%) 20 0 0 70
CHANCE OF THUNDER (%) 20 0 0 20
TEMP (24H TREND) 65 (+4) 90 (-1) 68 85
RH % (24H TREND) 81 (-9) 38 (+1) 73 53
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G18
20FTWND-RDG/PM(MPH) LGT/VAR W 8 G20 SW 5 G17 NW 7 G18
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1 8
PRECIP BEGIN 6 PM 8 AM
PRECIP END 12 AM 6 PM
MIXING HGT(FT-AGL) 360 6020 420 4400
TRANSPORT WND (MPH) W 7 W 20 SW 9 W 20
VENT RATE (KT-FT) 2160 102340 3360 74800
DISPERSION 1 5 2 5
DSI 0
SUNSHINE HOURS 9 5
MAX ADI EARLY 39 FAIR 111 VERY GOOD33 FAIR 55 GEN GOOD
MAX ADI LATE 5 VERY POOR 128 VERY GOOD6 VERY POOR 57 GEN GOOD
MAX LVORI EARLY 3 4 3 3
MAX LVORI LATE 4 1 3 1
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
MID 60S. MINIMUM RH 41 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 54 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S.
MINIMUM RH 70 PERCENT. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 66 PERCENT. LIGHT WINDS.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. MINIMUM RH 59 PERCENT. WEST WINDS
AROUND 5 MPH.
PAZ004-190815-
WARREN-
INCLUDING THE CITY OF WARREN
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 0 40 90 40
CHANCE OF THUNDER (%) 0 40 50 0
TEMP (24H TREND) 66 (+5) 86 (-1) 57 66
RH % (24H TREND) 78 (-17) 45 (+5) 89 48
20FTWND-VAL/AM(MPH) SW 6 G19 NW 5 G14
20FTWND-RDG/PM(MPH) SW 6 G17 SW 10 G21 SW 7 G19 NW 6 G14
PRECIP AMOUNT 0.00 0.02 0.17 0.03
PRECIP DURATION 1 9 3
PRECIP BEGIN 8 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 2 PM
MIXING HGT(FT-AGL) 450 4420 550 2860
TRANSPORT WND (MPH) SW 9 SW 23 SW 10 NW 16
VENT RATE (KT-FT) 3600 88400 4950 40040
DISPERSION 2 5 3 5
DSI 0
SUNSHINE HOURS 7 5
MAX ADI EARLY 98 GOOD 64 GOOD 73 GOOD 26 FAIR
MAX ADI LATE 7 POOR 66 GOOD 10 POOR 52 GEN GOOD
MAX LVORI EARLY 3 4 3 4
MAX LVORI LATE 4 1 5 2
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.
MINIMUM RH 38 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 51 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 68 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. MINIMUM RH 61 PERCENT. SOUTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 55 PERCENT. SOUTH WINDS
AROUND 5 MPH.
PAZ065-190815-
YORK-
INCLUDING THE CITY OF YORK
215 PM EDT MON MAY 18 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 0 0 0 90
CHANCE OF THUNDER (%) 0 0 0 50
TEMP (24H TREND) 68 (+3) 92 (-1) 70 91
RH % (24H TREND) 75 (-12) 35 (-3) 64 42
20FTWND-VAL/AM(MPH) LGT/VAR W 6 G15
20FTWND-RDG/PM(MPH) S 5 G13 W 8 G16 SW 5 G14 W 9 G17
PRECIP AMOUNT 0.00 0.00 0.00 0.12
PRECIP DURATION 5
PRECIP BEGIN 8 AM
PRECIP END CONTINUING
MIXING HGT(FT-AGL) 420 7540 440 5950
TRANSPORT WND (MPH) SW 9 W 18 SW 13 W 18
VENT RATE (KT-FT) 3360 120640 4840 95200
DISPERSION 2 5 2 5
DSI 0
SUNSHINE HOURS 10 6
MAX ADI EARLY 83 GOOD 88 GOOD 84 GOOD 104 VERY GOOD
MAX ADI LATE 5 VERY POOR 145 VERY GOOD8 POOR 102 VERY GOOD
MAX LVORI EARLY 3 3 2 3
MAX LVORI LATE 3 1 3 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
MID 50S. HIGHS IN THE UPPER 60S. MINIMUM RH 45 PERCENT. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
HIGHS IN THE MID 60S. MINIMUM RH 60 PERCENT. EAST WINDS AROUND
5 MPH.
SATURDAY
SHOWERS. LOWS IN THE LOWER 50S. HIGHS AROUND 70.
MINIMUM RH 72 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 71 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
50S. HIGHS IN THE MID 70S. MINIMUM RH 63 PERCENT. NORTH WINDS
AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.
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