461
FNUS71 KPBZ 210805
FWSPBZ
SPOT FORECAST FOR MORAINE STATE PARK...DCNR
NATIONAL WEATHER SERVICE PITTSBURGH PA
405 AM EDT TUE APR 21 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
HIGH PRESSURE WILL MAINTAIN DRY WEATHER TODAY. MINIMUM RH LEVELS
ARE EXPECTED TO RANGE FROM 25 TO 30 PERCENT THIS AFTERNOON, THOUGH
A SOUTH WIND SHOULD RESULT IN SOME MOISTURE RETURN AND INCREASE
IN DEW POINTS LATER IN THE DAY. SHOWERS WILL BECOME LIKELY TONIGHT
THROUGH WEDNESDAY MORNING, BEFORE TAPERING OFF. AN ISOLATED
THUNDERSTORM IS ALSO POSSIBLE. RAINFALL AMOUNTS ARE EXPECTED TO BE
UP TO A QUARTER OF AN INCH.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CHANCE OF PCPN......10 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........25 TO 30 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 9 MPH. GUSTS UP TO 20 MPH LATE
IN THE AFTERNOON.
MIXING HEIGHT.......3400 FT AGL.
TRANSPORT WINDS.....SOUTH 13 TO 22 MPH.
LVORI...............2.
ADI.................12 EARLY IN THE MORNING INCREASING TO 103 IN
THE AFTERNOON.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........18 11 19 29 21 32 41 25 27 26
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 10
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............33 39 44 49 52 55 59 61 63 64
RH..............58 52 48 40 38 35 33 30 31 34
20 FT WIND DIR..S S S S S S S S SW SW
20 FT WIND SPD..5 5 6 6 6 7 7 7 8 7
20 FT WIND GUST.10 11 12 13 14 14 14 14 14 16
MIX HGT (KFT)...0.5 1.1 1.8 2.3 3.0 3.0 3.0 3.0 3.4 3.4
TRANSP WIND DIR.S S S S S S S S SW SW
TRANSP WIND SPD.13 15 15 17 18 18 18 18 20 22
LVORI...........2 2 1 1 1 1 1 1 1 1
ADI.............12 27 41 56 75 74 75 76 86 103
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN
SHOWERS IN THE EVENING. SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS
LIKELY OVERNIGHT.
CHANCE OF PCPN......70 PERCENT.
CHANCE OF THUNDER...21 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE
EVENING.
MIXING HEIGHT.......200 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 12 TO 20 MPH SHIFTING TO THE WEST 14
TO 15 MPH AFTER 3 AM.
LVORI...............3.
ADI.................7 TO 26.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........43 59 68 75 72 74 66 65 80 74 85 79
WEATHER COV..... SCH SCH CHC CHC CHC CHC LKY LKY LKY LKY
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH
CHC OF PCPN (%).10 10 20 20 30 50 40 40 60 60 70 60
CHC OF THDR (%).0 0 10 10 10 20 20 20 20 20 20 10
TEMP............63 62 60 57 55 55 54 54 54 54 53 52
RH..............36 41 49 55 59 62 66 68 73 75 78 84
20 FT WIND DIR..SW S S S S S S SW SW SW SW SW
20 FT WIND SPD..6 6 5 6 6 6 6 6 6 6 6 6
20 FT WIND GUST.14 12 11 11 12 12 12 13 13 12 12 12
MIX HGT (KFT)...2.3 0.6 0.2 0.3 0.2 0.3 0.3 0.3 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SW S S S S SW SW SW SW W W W
TRANSP WIND SPD.20 12 10 12 13 15 14 13 15 15 15 14
LVORI...........2 2 2 3 3 3 3 3 3 4 4 4
ADI.............26 8 7 8 8 13 12 11 13 12 10 9
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN SHOWERS EARLY IN THE MORNING.
CHANCE OF RAIN SHOWERS EARLY IN THE MORNING.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........61 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 7 MPH SHIFTING TO THE NORTHWEST
6 TO 7 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......4300 FT AGL.
TRANSPORT WINDS.....WEST 12 TO 15 MPH.
LVORI...............3.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........69 72 79 74 74 74 65 63 53 53 53 53
WEATHER COV.....CHC SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).40 20 40 40 40 40 40 40 30 30 30 30
TEMP............53 53 54 56 58 60 63 65 67 68 68 67
RH..............82 84 88 85 83 81 76 71 67 63 61 61
20 FT WIND DIR..SW SW W W W W W W W W NW NW
20 FT WIND SPD..6 6 6 5 5 6 6 6 6 6 6 6
20 FT WIND GUST.12 11 11 11 11 12 12 12 12 12 12 12
MIX HGT (KFT)...0.3 0.4 0.4 0.6 0.8 1.2 2.0 2.8 3.5 4.1 4.3 4.0
TRANSP WIND DIR.W W W W W NW NW NW NW NW NW NW
TRANSP WIND SPD.12 12 12 13 13 13 14 14 14 15 15 15
LVORI...........4 4 5 4 4 3 3 3 1 1 1 1
FORECASTER...WM
REQUESTED BY...M DIRINALDO
TYPE OF REQUEST...PRESCRIBED
.TAG 2610983.0/PBZ
.DELDT 04/21/26
.FORMATTERVERSION 2.0.0
.EMAIL MDIRINALDO@PA.GOV
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