241
FNUS51 KCTP 201848
FWFCTP
FIRE WEATHER PLANNING FORECAST FOR CENTRAL PENNSYLVANIA
NATIONAL WEATHER SERVICE STATE COLLEGE, PA
248 PM EDT MON APR 20 2026
DISCUSSION
A CHILLY LATE AFTERNOON WITH A MIX OF SUN AND CLOUDS, GUSTY NW
WINDS, AND RELATIVE HUMIDITY LEVELS IN THE LOW 30S (PERHAPS AS
LOW AS THE MID 20S). TUESDAY WILL SEE SLIGHTLY WARMER CONDITIONS
AND LIGHTER WINDS OUT OF THE SOUTH WITH THICKENING CLOUD COVER
AND CONTINUED LOW RH.
MORE SHOWERS WILL BE POSSIBLE TUESDAY NIGHT INTO WEDNESDAY INTO
LATE WEEK, WITH THE MOST LIKELY DAY TO REMAIN DRY BEING THURSDAY.
TEMPERATURES TREND WARMER EACH DAY THROUGH FRIDAY WITH HIGHS
GETTING BACK INTO THE 70S TO NEAR 80F.
PAZ064-210815-
ADAMS-
INCLUDING THE CITY OF GETTYSBURG
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 50
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 27 (-10) 58 (+8) 43 70
RH % (24H TREND) 70 (-10) 31 (+1) 73 56
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 0.03
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 260 4580 290 4030
TRANSPORT WND (MPH) NE 3 SW 13 S 14 NW 13
VENT RATE (KT-FT) 780 50380 3480 44330
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 11 6
MAX ADI EARLY 22 FAIR 39 FAIR 8 POOR 23 FAIR
MAX ADI LATE 4 VERY POOR 81 GOOD 10 POOR 45 GEN GOOD
MAX LVORI EARLY 2 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 CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. MINIMUM RH 39 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. MINIMUM RH 44 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. MINIMUM RH 65 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 57 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 60S. MINIMUM RH 60 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
PAZ034-210815-
BEDFORD-
INCLUDING THE CITY OF BEDFORD
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 60
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 25 (-9) 63 (+17) 44 70
RH % (24H TREND) 65 (-15) 24 (-5) 76 49
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G16
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 7 G16
PRECIP AMOUNT 0.00 0.00 0.02 0.04
PRECIP DURATION 1 6
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 300 4870 310 4240
TRANSPORT WND (MPH) SW 3 SW 16 SW 9 NW 18
VENT RATE (KT-FT) 900 68180 2480 67840
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 15 GEN POOR 37 FAIR 8 POOR 57 GEN GOOD
MAX ADI LATE 3 VERY POOR 87 GOOD 8 POOR 67 GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. MINIMUM RH 32 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS AROUND 50.
HIGHS IN THE UPPER 70S. MINIMUM RH 37 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS AROUND 70. MINIMUM RH 52 PERCENT. SOUTH WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 48 PERCENT. NORTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ025-210815-
BLAIR-
INCLUDING THE CITY OF ALTOONA
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 50
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 24 (-8) 62 (+17) 44 70
RH % (24H TREND) 66 (-16) 27 (-5) 85 51
20FTWND-VAL/AM(MPH) LGT/VAR W 5 G19
20FTWND-RDG/PM(MPH) NW 5 G19 S 5 G15 LGT/VAR W 6 G19
PRECIP AMOUNT 0.00 0.00 0.04 0.05
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 280 4860 320 4140
TRANSPORT WND (MPH) S 3 SW 16 SW 10 NW 16
VENT RATE (KT-FT) 840 68040 2880 57960
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 28 FAIR 41 GEN GOOD 10 POOR 43 GEN GOOD
MAX ADI LATE 3 VERY POOR 91 GOOD 8 POOR 73 GOOD
MAX LVORI EARLY 2 3 2 4
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. MINIMUM RH 34 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 70S. MINIMUM RH 43 PERCENT. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 57 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 50 PERCENT. NORTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 59 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ024-210815-
CAMBRIA-
INCLUDING THE CITY OF JOHNSTOWN
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE TSTMS TSTMS
CHANCE PRECIP (%) 0 0 60 60
CHANCE OF THUNDER (%) 0 0 20 20
TEMP (24H TREND) 24 (-5) 60 (+18) 46 66
RH % (24H TREND) 67 (-19) 28 (-7) 83 56
20FTWND-VAL/AM(MPH) LGT/VAR W 7 G19
20FTWND-RDG/PM(MPH) NW 5 G19 SW 6 G15 S 5 G15 W 8 G19
PRECIP AMOUNT 0.00 0.00 0.07 0.09
PRECIP DURATION 4 7
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 220 4290 270 3490
TRANSPORT WND (MPH) S 5 SW 16 S 12 NW 16
VENT RATE (KT-FT) 880 60060 2700 48860
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 9 5
MAX ADI EARLY 28 FAIR 41 GEN GOOD 22 FAIR 33 FAIR
MAX ADI LATE 3 VERY POOR 79 GOOD 13 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 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
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 37 PERCENT. WEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS AND THUNDERSTORMS.
LOWS AROUND 50. HIGHS IN THE MID 70S. MINIMUM RH 45 PERCENT.
SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 60 PERCENT. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 50 PERCENT. NORTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 60S. MINIMUM RH 59 PERCENT.
SOUTHEAST WINDS 5 TO 10 MPH.
PAZ011-210815-
CAMERON-
INCLUDING THE CITY OF EMPORIUM
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 60 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-6) 58 (+15) 42 69
RH % (24H TREND) 73 (-10) 28 (-1) 90 47
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SW 5 G14 LGT/VAR NW 5 G13
PRECIP AMOUNT 0.00 0.00 0.05 0.02
PRECIP DURATION 4 4
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 420 4470 400 5060
TRANSPORT WND (MPH) S 3 SW 17 S 9 NW 13
VENT RATE (KT-FT) 1260 67050 3200 55660
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 9 6
MAX ADI EARLY 10 POOR 48 GEN GOOD 11 POOR 17 GEN POOR
MAX ADI LATE 2 VERY POOR 89 GOOD 6 VERY POOR 76 GOOD
MAX LVORI EARLY 2 3 3 5
MAX LVORI LATE 3 1 5 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 33 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 70S. MINIMUM RH 42 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
HIGHS IN THE MID 60S. MINIMUM RH 60 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 48 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 54 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ017-210815-
CLEARFIELD-
INCLUDING THE CITIES OF DUBOIS AND CLEARFIELD
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 50
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 23 (-5) 60 (+17) 44 68
RH % (24H TREND) 69 (-15) 27 (-1) 87 45
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SW 6 G15 LGT/VAR W 6 G15
PRECIP AMOUNT 0.00 0.00 0.06 0.05
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 320 4490 390 5100
TRANSPORT WND (MPH) S 3 SW 17 S 12 NW 15
VENT RATE (KT-FT) 960 67350 3900 66300
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 9 6
MAX ADI EARLY 13 GEN POOR 46 GEN GOOD 12 POOR 28 FAIR
MAX ADI LATE 3 VERY POOR 85 GOOD 8 POOR 82 GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. MINIMUM RH 33 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 70S. MINIMUM RH 43 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. MINIMUM RH 58 PERCENT. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 47 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 55 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ053-210815-
COLUMBIA-
INCLUDING THE CITIES OF BLOOMSBURG AND BERWICK
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-9) 55 (+8) 39 66
RH % (24H TREND) 71 (-10) 30 (-4) 85 56
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 0.01
PRECIP DURATION 2 1
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 360 4590 440 3920
TRANSPORT WND (MPH) NE 3 SW 13 S 9 NW 9
VENT RATE (KT-FT) 1080 50490 3520 31360
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 9 7
MAX ADI EARLY 12 POOR 40 FAIR 8 POOR 10 POOR
MAX ADI LATE 3 VERY POOR 69 GOOD 7 POOR 45 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 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
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. MINIMUM RH 42 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S. MINIMUM RH 48 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS AROUND 60. MINIMUM RH 69 PERCENT. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 57 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ063-210815-
CUMBERLAND-
INCLUDING THE CITY OF CARLISLE
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 40 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-11) 59 (+10) 42 70
RH % (24H TREND) 67 (-10) 29 (0) 75 52
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 0.02
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 310 4810 310 3970
TRANSPORT WND (MPH) NE 3 SW 13 S 9 NW 12
VENT RATE (KT-FT) 930 52910 2480 39700
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 11 6
MAX ADI EARLY 28 FAIR 39 FAIR 7 POOR 16 GEN POOR
MAX ADI LATE 4 VERY POOR 76 GOOD 7 POOR 42 GEN GOOD
MAX LVORI EARLY 2 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 CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. MINIMUM RH 37 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. MINIMUM RH 43 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 60S. MINIMUM RH 64 PERCENT. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 55 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
PAZ057-210815-
DAUPHIN-
INCLUDING THE CITIES OF HARRISBURG AND HERSHEY
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 40 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-10) 57 (+7) 41 69
RH % (24H TREND) 68 (-11) 30 (0) 80 54
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) N 5 G17 S 5 G13 S 5 G14 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.03
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 310 4770 360 3920
TRANSPORT WND (MPH) NE 3 S 14 S 8 NW 13
VENT RATE (KT-FT) 930 57240 2520 43120
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 26 FAIR 37 FAIR 10 POOR 9 POOR
MAX ADI LATE 4 VERY POOR 79 GOOD 9 POOR 57 GEN GOOD
MAX LVORI EARLY 2 3 2 4
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 CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 39 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 45 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. COOLER. LOWS AROUND
50. HIGHS IN THE LOWER 60S. MINIMUM RH 66 PERCENT. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 56 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ010-210815-
ELK-
INCLUDING THE CITIES OF ST. MARYS AND RIDGWAY
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 60 30
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 22 (-4) 58 (+16) 43 68
RH % (24H TREND) 74 (-11) 30 (+1) 90 48
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SW 6 G15 LGT/VAR NW 5 G13
PRECIP AMOUNT 0.00 0.00 0.07 0.03
PRECIP DURATION 4 4
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 360 3920 460 5160
TRANSPORT WND (MPH) S 5 SW 18 S 13 NW 14
VENT RATE (KT-FT) 1440 62720 5060 61920
DISPERSION 1 5 2 5
DSI 2 2
SUNSHINE HOURS 9 6
MAX ADI EARLY 10 POOR 53 GEN GOOD 13 GEN POOR 22 FAIR
MAX ADI LATE 2 VERY POOR 82 GOOD 9 POOR 81 GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 1 5 3
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 34 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. MINIMUM RH 45 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. MINIMUM RH 60 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 48 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 57 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ036-210815-
FRANKLIN-
INCLUDING THE CITY OF CHAMBERSBURG
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 50
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 26 (-11) 60 (+10) 43 70
RH % (24H TREND) 67 (-14) 28 (-1) 75 51
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G13
PRECIP AMOUNT 0.00 0.00 0.02 0.04
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 290 4590 280 4030
TRANSPORT WND (MPH) NE 3 S 14 S 10 NW 15
VENT RATE (KT-FT) 870 55080 2520 52390
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 11 6
MAX ADI EARLY 14 GEN POOR 36 FAIR 7 POOR 26 FAIR
MAX ADI LATE 4 VERY POOR 78 GOOD 9 POOR 53 GEN GOOD
MAX LVORI EARLY 2 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 CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. MINIMUM RH 36 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. MINIMUM RH 42 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. MINIMUM RH 60 PERCENT. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 53 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 59 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ035-210815-
FULTON-
INCLUDING THE CITY OF MCCONNELLSBURG
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 40 50
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 26 (-10) 62 (+13) 44 70
RH % (24H TREND) 65 (-14) 25 (-3) 76 49
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G15
PRECIP AMOUNT 0.00 0.00 0.02 0.04
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 270 4860 280 4780
TRANSPORT WND (MPH) NE 3 SW 15 S 9 NW 17
VENT RATE (KT-FT) 810 63180 2240 71700
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 11 6
MAX ADI EARLY 13 GEN POOR 34 FAIR 7 POOR 40 FAIR
MAX ADI LATE 4 VERY POOR 85 GOOD 5 VERY POOR 70 GOOD
MAX LVORI EARLY 2 3 2 3
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
UPPER 70S. MINIMUM RH 32 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS AROUND 50. HIGHS IN THE UPPER 70S.
MINIMUM RH 39 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. MINIMUM RH 55 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 50 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 59 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ026-210815-
HUNTINGDON-
INCLUDING THE CITIES OF HUNTINGDON AND MOUNT UNION
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 50
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 26 (-8) 61 (+14) 42 70
RH % (24H TREND) 68 (-12) 25 (-4) 84 47
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR LGT/VAR LGT/VAR W 5 G14
PRECIP AMOUNT 0.00 0.00 0.02 0.03
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 310 4900 300 4390
TRANSPORT WND (MPH) SE 3 SW 15 SW 8 NW 15
VENT RATE (KT-FT) 930 63700 2100 57070
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 11 6
MAX ADI EARLY 27 FAIR 36 FAIR 9 POOR 33 FAIR
MAX ADI LATE 3 VERY POOR 88 GOOD 6 VERY POOR 68 GOOD
MAX LVORI EARLY 2 3 2 4
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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. MINIMUM RH 33 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 70S. MINIMUM RH 41 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. MINIMUM RH 58 PERCENT. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 50 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ028-210815-
JUNIATA-
INCLUDING THE CITY OF MIFFLINTOWN
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-9) 58 (+10) 41 70
RH % (24H TREND) 71 (-11) 29 (-2) 85 52
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 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 330 4910 300 4690
TRANSPORT WND (MPH) E 3 S 15 S 6 NW 13
VENT RATE (KT-FT) 990 63830 1500 51590
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 11 6
MAX ADI EARLY 26 FAIR 37 FAIR 7 POOR 10 POOR
MAX ADI LATE 3 VERY POOR 82 GOOD 5 VERY POOR 69 GOOD
MAX LVORI EARLY 2 3 3 4
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. MINIMUM RH 38 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 70S. MINIMUM RH 45 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER. LOWS IN
THE LOWER 50S. HIGHS IN THE MID 60S. MINIMUM RH 68 PERCENT. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 57 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 61 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ066-210815-
LANCASTER-
INCLUDING THE CITY OF LANCASTER
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 40 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-9) 57 (+6) 42 69
RH % (24H TREND) 69 (-12) 31 (-1) 79 57
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) N 6 G17 LGT/VAR S 5 G13 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.02 0.03
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 340 4800 390 3400
TRANSPORT WND (MPH) N 6 SW 9 S 15 NW 9
VENT RATE (KT-FT) 1700 38400 5070 27200
DISPERSION 1 5 2 5
DSI 3 2
SUNSHINE HOURS 11 6
MAX ADI EARLY 28 FAIR 24 FAIR 13 GEN POOR 16 GEN POOR
MAX ADI LATE 5 VERY POOR 66 GOOD 14 GEN POOR 32 FAIR
MAX LVORI EARLY 2 3 2 4
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
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 42 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 46 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 67 PERCENT. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 60 PERCENT. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 60 PERCENT. EAST WINDS
AROUND 5 MPH.
PAZ059-210815-
LEBANON-
INCLUDING THE CITY OF LEBANON
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 40 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-9) 56 (+5) 41 69
RH % (24H TREND) 68 (-13) 30 (-1) 83 55
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) N 5 G16 LGT/VAR S 5 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.04
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 330 4710 380 4200
TRANSPORT WND (MPH) N 3 SW 13 SE 7 NW 12
VENT RATE (KT-FT) 990 51810 2280 42000
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 26 FAIR 32 FAIR 13 GEN POOR 9 POOR
MAX ADI LATE 4 VERY POOR 72 GOOD 8 POOR 55 GEN GOOD
MAX LVORI EARLY 2 3 2 4
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. MINIMUM RH 41 PERCENT. NORTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 46 PERCENT. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 68 PERCENT. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 59 PERCENT. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 59 PERCENT. EAST WINDS
AROUND 5 MPH.
PAZ005-210815-
MCKEAN-
INCLUDING THE CITY OF BRADFORD
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 50 20
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 20 (-3) 56 (+17) 41 66
RH % (24H TREND) 75 (-8) 29 (-2) 90 48
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SW 6 G15 LGT/VAR NW 5
PRECIP AMOUNT 0.00 0.00 0.05 0.01
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 370 3960 400 4800
TRANSPORT WND (MPH) S 6 SW 21 SW 9 NW 13
VENT RATE (KT-FT) 1850 71280 3200 52800
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 9 7
MAX ADI EARLY 8 POOR 59 GEN GOOD 16 GEN POOR 23 FAIR
MAX ADI LATE 3 VERY POOR 86 GOOD 10 POOR 67 GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 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
MOSTLY CLEAR. LOWS AROUND 40. HIGHS AROUND 70.
MINIMUM RH 33 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S. MINIMUM RH 44 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 61 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 47 PERCENT. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 54 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ027-210815-
MIFFLIN-
INCLUDING THE CITY OF LEWISTOWN
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-8) 61 (+13) 40 70
RH % (24H TREND) 70 (-12) 29 (-1) 85 51
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 0.02
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 320 4850 240 4590
TRANSPORT WND (MPH) SE 3 SW 14 S 6 NW 14
VENT RATE (KT-FT) 960 58200 1200 55080
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 24 FAIR 36 FAIR 7 POOR 12 POOR
MAX ADI LATE 3 VERY POOR 83 GOOD 5 VERY POOR 70 GOOD
MAX LVORI EARLY 2 3 3 5
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE MID
70S. MINIMUM RH 36 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 70S. MINIMUM RH 44 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. COOLER. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. MINIMUM RH 65 PERCENT. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE MID 60S. MINIMUM RH 55 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 59 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ051-210815-
MONTOUR-
INCLUDING THE CITY OF DANVILLE
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-10) 55 (+8) 41 66
RH % (24H TREND) 72 (-7) 31 (-1) 84 55
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 0.01
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 350 4680 430 3390
TRANSPORT WND (MPH) E 3 S 14 S 8 NW 9
VENT RATE (KT-FT) 1050 56160 3010 27120
DISPERSION 1 5 2 5
DSI 3 2
SUNSHINE HOURS 9 7
MAX ADI EARLY 23 FAIR 39 FAIR 9 POOR 10 POOR
MAX ADI LATE 3 VERY POOR 75 GOOD 8 POOR 36 FAIR
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE MID 40S. HIGHS AROUND 70.
MINIMUM RH 40 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 70.
MINIMUM RH 45 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 66 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 56 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 56 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ018-210815-
NORTHERN CENTRE-
INCLUDING THE CITY OF PHILIPSBURG
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 60 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 23 (-7) 57 (+14) 42 68
RH % (24H TREND) 65 (-18) 25 (-2) 86 45
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR S 5 G15 LGT/VAR W 5 G16
PRECIP AMOUNT 0.00 0.00 0.06 0.04
PRECIP DURATION 4 4
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 220 4530 220 4680
TRANSPORT WND (MPH) S 3 SW 16 S 10 NW 15
VENT RATE (KT-FT) 660 63420 1980 60840
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 9 6
MAX ADI EARLY 26 FAIR 42 GEN GOOD 11 POOR 22 FAIR
MAX ADI LATE 3 VERY POOR 83 GOOD 8 POOR 77 GOOD
MAX LVORI EARLY 2 3 2 4
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. MINIMUM RH 33 PERCENT. WEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. MINIMUM RH 42 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
HIGHS IN THE LOWER 60S. MINIMUM RH 60 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 49 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS AROUND 60. MINIMUM RH 54 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
PAZ012-210815-
NORTHERN CLINTON-
INCLUDING THE CITY OF RENOVO
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-6) 58 (+14) 40 68
RH % (24H TREND) 69 (-12) 25 (-3) 86 46
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SW 5 G15 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.05 0.02
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 320 4690 180 4760
TRANSPORT WND (MPH) S 3 SW 17 S 7 NW 13
VENT RATE (KT-FT) 960 70350 1080 52360
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 9 6
MAX ADI EARLY 12 POOR 45 GEN GOOD 10 POOR 10 POOR
MAX ADI LATE 3 VERY POOR 91 GOOD 7 POOR 66 GOOD
MAX LVORI EARLY 2 3 3 5
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 32 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S. MINIMUM RH 41 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 62 PERCENT. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 49 PERCENT. NORTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 53 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ041-210815-
NORTHERN LYCOMING-
INCLUDING THE CITY OF TROUT RUN
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 23 (-7) 54 (+12) 38 66
RH % (24H TREND) 72 (-10) 31 (-6) 87 55
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR S 6 G15 S 5 G15 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.01
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 380 4520 300 4290
TRANSPORT WND (MPH) SE 3 SW 16 S 8 NW 13
VENT RATE (KT-FT) 1140 63280 2100 47190
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 9 6
MAX ADI EARLY 23 FAIR 46 GEN GOOD 15 GEN POOR 9 POOR
MAX ADI LATE 3 VERY POOR 84 GOOD 10 POOR 56 GEN GOOD
MAX LVORI EARLY 3 3 2 5
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
UPPER 60S. MINIMUM RH 40 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 48 PERCENT. NORTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE UPPER 50S. MINIMUM RH 72 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.
HIGHS AROUND 60. MINIMUM RH 58 PERCENT. NORTH WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 40S. HIGHS IN THE UPPER 50S. MINIMUM RH 61 PERCENT.
SOUTHEAST WINDS AROUND 5 MPH.
PAZ052-210815-
NORTHUMBERLAND-
INCLUDING THE CITIES OF SUNBURY AND SHAMOKIN
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-9) 56 (+9) 41 67
RH % (24H TREND) 70 (-10) 30 (-1) 84 55
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 0.01
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 340 4770 450 3620
TRANSPORT WND (MPH) NE 3 S 14 S 9 NW 10
VENT RATE (KT-FT) 1020 57240 3600 32580
DISPERSION 1 5 2 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 24 FAIR 39 FAIR 10 POOR 10 POOR
MAX ADI LATE 3 VERY POOR 78 GOOD 10 POOR 42 GEN GOOD
MAX LVORI EARLY 3 3 2 4
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
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 70.
MINIMUM RH 40 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 70.
MINIMUM RH 46 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 67 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 57 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 57 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ056-210815-
PERRY-
INCLUDING THE CITY OF NEWPORT
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-11) 58 (+10) 41 70
RH % (24H TREND) 69 (-10) 28 (-1) 82 52
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 0.02
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 270 4800 260 4510
TRANSPORT WND (MPH) NE 3 S 15 S 8 NW 13
VENT RATE (KT-FT) 810 62400 1820 49610
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 11 6
MAX ADI EARLY 27 FAIR 38 FAIR 8 POOR 10 POOR
MAX ADI LATE 4 VERY POOR 79 GOOD 7 POOR 54 GEN GOOD
MAX LVORI EARLY 2 3 2 4
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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. MINIMUM RH 37 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE MID
70S. MINIMUM RH 44 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. COOLER. LOWS IN THE
LOWER 50S. HIGHS IN THE MID 60S. MINIMUM RH 67 PERCENT. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 56 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 60 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ006-210815-
POTTER-
INCLUDING THE CITY OF COUDERSPORT
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 21 (-4) 54 (+15) 40 66
RH % (24H TREND) 73 (-10) 29 (-6) 89 50
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SW 6 G15 S 5 G14 NW 5
PRECIP AMOUNT 0.00 0.00 0.04 0.01
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 390 4200 290 4500
TRANSPORT WND (MPH) SW 5 SW 20 SW 9 NW 13
VENT RATE (KT-FT) 1560 71400 2320 49500
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 8 6
MAX ADI EARLY 23 FAIR 50 GEN GOOD 16 GEN POOR 22 FAIR
MAX ADI LATE 3 VERY POOR 91 GOOD 10 POOR 63 GOOD
MAX LVORI EARLY 3 3 2 5
MAX LVORI LATE 3 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 CLEAR. LOWS AROUND 40. HIGHS IN THE UPPER 60S.
MINIMUM RH 36 PERCENT. WEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE UPPER 60S. MINIMUM RH 46 PERCENT. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 65 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS AROUND 60. MINIMUM RH 52 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 50S. MINIMUM RH 57 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ058-210815-
SCHUYLKILL-
INCLUDING THE CITY OF POTTSVILLE
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 40 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-10) 54 (+7) 38 66
RH % (24H TREND) 67 (-16) 30 (-4) 88 55
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 0.02
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 360 4540 430 4270
TRANSPORT WND (MPH) N 5 SW 10 S 9 NW 12
VENT RATE (KT-FT) 1440 40860 3440 42700
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 13 GEN POOR 37 FAIR 9 POOR 9 POOR
MAX ADI LATE 5 VERY POOR 69 GOOD 8 POOR 57 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 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
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
UPPER 60S. MINIMUM RH 42 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE UPPER
60S. MINIMUM RH 47 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. COOLER. LOWS IN THE
UPPER 40S. HIGHS IN THE UPPER 50S. MINIMUM RH 70 PERCENT. EAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 59 PERCENT. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. EAST WINDS
AROUND 5 MPH.
PAZ050-210815-
SNYDER-
INCLUDING THE CITY OF SELINSGROVE
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-9) 57 (+10) 41 68
RH % (24H TREND) 68 (-10) 31 (0) 83 55
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 0.01
PRECIP DURATION 1 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 310 4740 340 4000
TRANSPORT WND (MPH) NE 3 S 15 S 7 NW 10
VENT RATE (KT-FT) 930 61620 2040 36000
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 25 FAIR 39 FAIR 9 POOR 9 POOR
MAX ADI LATE 3 VERY POOR 82 GOOD 9 POOR 40 FAIR
MAX LVORI EARLY 2 3 2 4
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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. MINIMUM RH 40 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. MINIMUM RH 47 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
HIGHS IN THE LOWER 60S. MINIMUM RH 70 PERCENT. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 59 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 61 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ033-210815-
SOMERSET-
INCLUDING THE CITY OF SOMERSET
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS TSTMS
CHANCE PRECIP (%) 0 0 50 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 23 (-8) 62 (+20) 47 64
RH % (24H TREND) 70 (-19) 27 (-9) 80 61
20FTWND-VAL/AM(MPH) LGT/VAR W 7 G20
20FTWND-RDG/PM(MPH) LGT/VAR SW 5 G15 LGT/VAR W 8 G19
PRECIP AMOUNT 0.00 0.00 0.08 0.11
PRECIP DURATION 1 6
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 160 4190 210 2920
TRANSPORT WND (MPH) S 6 SW 17 S 10 NW 17
VENT RATE (KT-FT) 800 62850 1890 43800
DISPERSION 1 5 1 5
DSI 2 1
SUNSHINE HOURS 10 5
MAX ADI EARLY 14 GEN POOR 39 FAIR 14 GEN POOR 37 FAIR
MAX ADI LATE 3 VERY POOR 82 GOOD 17 GEN POOR 46 GEN 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
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 39 PERCENT. SOUTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. MINIMUM RH 42 PERCENT. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 60S. MINIMUM RH 56 PERCENT. SOUTHWEST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE MID 60S. MINIMUM RH 51 PERCENT. SOUTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 62 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ019-210815-
SOUTHERN CENTRE-
INCLUDING THE CITY OF STATE COLLEGE
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-8) 58 (+12) 41 69
RH % (24H TREND) 68 (-13) 29 (-1) 84 49
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR S 5 G14 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.02
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 320 4810 210 4690
TRANSPORT WND (MPH) S 3 SW 16 S 7 NW 14
VENT RATE (KT-FT) 960 67340 1260 56280
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 25 FAIR 41 GEN GOOD 10 POOR 15 GEN POOR
MAX ADI LATE 3 VERY POOR 89 GOOD 7 POOR 67 GOOD
MAX LVORI EARLY 2 3 2 4
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE MID 40S. HIGHS IN THE LOWER
70S. MINIMUM RH 36 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. MINIMUM RH 44 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 50.
HIGHS IN THE MID 60S. MINIMUM RH 65 PERCENT. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 54 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ045-210815-
SOUTHERN CLINTON-
INCLUDING THE CITY OF LOCK HAVEN
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-8) 57 (+11) 41 69
RH % (24H TREND) 69 (-13) 27 (-2) 85 51
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SW 5 G14 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.03 0.01
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 340 4860 180 3510
TRANSPORT WND (MPH) S 3 SW 15 S 6 NW 10
VENT RATE (KT-FT) 1020 63180 900 31590
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 15 GEN POOR 46 GEN GOOD 9 POOR 10 POOR
MAX ADI LATE 2 VERY POOR 83 GOOD 7 POOR 40 FAIR
MAX LVORI EARLY 2 3 2 5
MAX LVORI LATE 3 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
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 35 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 70S. MINIMUM RH 43 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER. LOWS IN
THE UPPER 40S. HIGHS IN THE LOWER 60S. MINIMUM RH 66 PERCENT.
EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 53 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 56 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ046-210815-
SOUTHERN LYCOMING-
INCLUDING THE CITY OF WILLIAMSPORT
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-8) 56 (+10) 40 67
RH % (24H TREND) 71 (-9) 30 (-3) 84 53
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR S 5 G14 S 5 G13 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.02 0.01
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 340 4830 410 3940
TRANSPORT WND (MPH) NE 3 SW 14 SE 7 NW 10
VENT RATE (KT-FT) 1020 57960 2460 35460
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 9 6
MAX ADI EARLY 23 FAIR 44 GEN GOOD 12 POOR 8 POOR
MAX ADI LATE 3 VERY POOR 76 GOOD 8 POOR 48 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 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 CLEAR. LOWS IN THE LOWER 40S. HIGHS AROUND 70.
MINIMUM RH 38 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS AROUND 70.
MINIMUM RH 46 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 67 PERCENT. EAST WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 55 PERCENT. NORTH WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ042-210815-
SULLIVAN-
INCLUDING THE CITY OF LAPORTE
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-8) 51 (+10) 38 63
RH % (24H TREND) 73 (-14) 36 (-7) 89 61
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) N 5 G17 SW 5 G15 S 6 G18 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.02 0.01
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 390 3860 350 3480
TRANSPORT WND (MPH) NE 5 SW 14 S 14 NW 12
VENT RATE (KT-FT) 1560 46320 4200 34800
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 9 6
MAX ADI EARLY 23 FAIR 44 GEN GOOD 18 GEN POOR 10 POOR
MAX ADI LATE 4 VERY POOR 68 GOOD 16 GEN POOR 48 GEN GOOD
MAX LVORI EARLY 3 3 2 5
MAX LVORI LATE 3 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
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.
MINIMUM RH 46 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE MID 60S. MINIMUM RH 52 PERCENT. NORTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. HIGHS IN THE UPPER 50S. MINIMUM RH 76 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 50S. MINIMUM RH 64 PERCENT. EAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 50S. MINIMUM RH 63 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ037-210815-
TIOGA-
INCLUDING THE CITIES OF MANSFIELD AND WELLSBORO
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 40 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-5) 53 (+14) 38 63
RH % (24H TREND) 73 (-9) 31 (-10) 87 55
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR SW 6 G15 S 5 G15 NW 5
PRECIP AMOUNT 0.00 0.00 0.02 0.01
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 420 4470 360 4000
TRANSPORT WND (MPH) SW 3 SW 20 S 12 NW 13
VENT RATE (KT-FT) 1260 75990 3600 44000
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 8 7
MAX ADI EARLY 24 FAIR 54 GEN GOOD 19 GEN POOR 18 GEN POOR
MAX ADI LATE 3 VERY POOR 98 GOOD 13 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 3 3 2 4
MAX LVORI LATE 3 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 CLEAR. LOWS AROUND 40. HIGHS IN THE MID 60S.
MINIMUM RH 41 PERCENT. WEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE MID 60S. MINIMUM RH 49 PERCENT. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. HIGHS IN THE UPPER 50S. MINIMUM RH 70 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 50S. MINIMUM RH 58 PERCENT. NORTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 40S. HIGHS IN THE UPPER 50S. MINIMUM RH 62 PERCENT. SOUTH
WINDS AROUND 5 MPH.
PAZ049-210815-
UNION-
INCLUDING THE CITY OF LEWISBURG
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 50 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-9) 57 (+10) 41 68
RH % (24H TREND) 67 (-11) 30 (0) 84 54
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 0.01
PRECIP DURATION 2 2
PRECIP BEGIN 8 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 290 4850 240 3710
TRANSPORT WND (MPH) SW 3 SW 15 S 6 NW 10
VENT RATE (KT-FT) 870 63050 1200 33390
DISPERSION 1 5 1 5
DSI 3 2
SUNSHINE HOURS 10 6
MAX ADI EARLY 23 FAIR 42 GEN GOOD 10 POOR 10 POOR
MAX ADI LATE 3 VERY POOR 81 GOOD 6 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 2 3 2 4
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
PARTLY CLOUDY. LOWS IN THE MID 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 38 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 45 PERCENT. LIGHT WINDS.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 67 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 56 PERCENT. NORTH WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
PAZ004-210815-
WARREN-
INCLUDING THE CITY OF WARREN
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER CLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 0 0 50 20
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 22 (-2) 59 (+19) 45 67
RH % (24H TREND) 77 (-8) 32 (-1) 92 48
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) LGT/VAR S 6 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.06 0.01
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 350 3460 410 4510
TRANSPORT WND (MPH) S 7 S 21 W 10 NW 12
VENT RATE (KT-FT) 2100 62280 3690 45100
DISPERSION 1 5 1 5
DSI 2 2
SUNSHINE HOURS 9 7
MAX ADI EARLY 6 VERY POOR 63 GOOD 13 GEN POOR 20 GEN POOR
MAX ADI LATE 3 VERY POOR 83 GOOD 10 POOR 62 GOOD
MAX LVORI EARLY 3 3 3 5
MAX LVORI LATE 3 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
MOSTLY CLEAR. LOWS IN THE LOWER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 35 PERCENT. LIGHT WINDS.
FRIDAY
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER
40S. HIGHS IN THE LOWER 70S. MINIMUM RH 46 PERCENT. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 60S. MINIMUM RH 63 PERCENT. SOUTH WINDS
AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 48 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE MID
40S. HIGHS IN THE MID 60S. MINIMUM RH 57 PERCENT. SOUTHEAST WINDS
AROUND 5 MPH.
PAZ065-210815-
YORK-
INCLUDING THE CITY OF YORK
248 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 0 0 40 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-10) 58 (+7) 44 69
RH % (24H TREND) 70 (-7) 31 (0) 73 56
20FTWND-VAL/AM(MPH) LGT/VAR LGT/VAR
20FTWND-RDG/PM(MPH) NW 5 G16 LGT/VAR S 5 G14 LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.01 0.03
PRECIP DURATION 1 2
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT(FT-AGL) 310 4640 360 3900
TRANSPORT WND (MPH) NE 5 SW 9 S 14 NW 14
VENT RATE (KT-FT) 1240 37120 4320 46800
DISPERSION 1 5 2 5
DSI 3 2
SUNSHINE HOURS 11 6
MAX ADI EARLY 28 FAIR 32 FAIR 11 POOR 16 GEN POOR
MAX ADI LATE 4 VERY POOR 73 GOOD 15 GEN POOR 47 GEN GOOD
MAX LVORI EARLY 2 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 CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 41 PERCENT. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 40S. HIGHS IN THE
LOWER 70S. MINIMUM RH 45 PERCENT. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 60S. MINIMUM RH 66 PERCENT. EAST WINDS AROUND
5 MPH.
SUNDAY
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 60S. MINIMUM RH 58 PERCENT. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. HIGHS IN THE LOWER 60S. MINIMUM RH 60 PERCENT. EAST
WINDS AROUND 5 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES BELOW NORMAL. PRECIPITATION ABOVE NORMAL.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page