768
FNUS71 KLWX 221254
FWSLWX
SPOT FORECAST FOR LUMINARY EVENT DECISION...NPS
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
854 AM EDT FRI MAY 22 2026
FORECAST IS BASED ON FORECAST START TIME OF 0900 EDT ON MAY 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS
OR CONCERNS WITH THIS FORECAST.
DISCUSSION
A FRONT WILL REMAIN STATIONARY ACROSS THE SOUTHERN MID-ATLANTIC STATES
BRINGING MULTIPLE OPPORTUNITIES FOR BENEFICIAL RAINFALL THROUGH
THE MEMORIAL DAY WEEKEND. IT WILL NOT BE RAINING ALL THE TIME, WITH
THE GREATEST COVERAGE LIKELY OCCURRING THROUGH SATURDAY AS WAVES
OF LOW PRESSURE PASS ALONG THE STALLED FRONT. TEMPERATURES WILL
REMAIN AT OR BELOW AVERAGE THROUGH MEMORIAL DAY. THE THREAT OF LIGHTNING
IS ZERO WHILE THE CHANCE OF ANY SUNSHINE IS ALSO ZERO.
REST OF TODAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS LIKELY
LATE IN THE MORNING, THEN RAIN SHOWERS IN THE
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS LATE
IN THE AFTERNOON.
CHANCE OF PCPN......90 PERCENT.
CHANCE OF THUNDER...16 PERCENT.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........90 PERCENT.
SURFACE WINDS (MPH).NORTHEAST WINDS 6 TO 8 MPH.
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........92 92 94 94 96 95 92 94 91
WEATHER COV.....LKY LKY LKY DEF DEF DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH
CHC OF PCPN (%).60 60 70 80 90 80 90 90 80
CHC OF THDR (%).10 10 10 10 10 20 20 20 20
TEMP............58 60 60 60 61 61 61 60 60
RH..............100 96 96 96 93 93 93 96 93
SURFACE WND DIR.NE NE NE NE NE NE NE NE NE
SURFACE WND SPD.6 6 7 7 8 8 8 8 8
SURFACE WND GST.13 14 15 16 16 17 17 17 16
TONIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......90 PERCENT.
CHANCE OF THUNDER...16 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........100 PERCENT.
SURFACE WINDS (MPH).NORTHEAST WINDS 5 TO 8 MPH IN THE EVENING
BECOMING LIGHT, THEN BECOMING NORTHEAST AROUND
5 MPH EARLY IN THE MORNING.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........92 91 93 88 90 90 90 88 95 95 95 96
WEATHER COV.....DEF DEF DEF LKY LKY LKY CHC CHC DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH
CHC OF PCPN (%).80 80 80 70 60 60 50 50 80 80 80 90
CHC OF THDR (%).20 20 10 10 10 10 10 10 10 10 10 20
TEMP............60 59 58 57 56 55 55 55 54 54 54 52
RH..............90 90 93 93 96 100 100 100 100 100 100 100
SURFACE WND DIR.NE NE NE NE NE NE NE NE NE NE NE NE
SURFACE WND SPD.8 7 6 6 5 5 5 3 3 3 3 5
SURFACE WND GST.16 15 14 13 12 10 10 9 9 9 10 12
SATURDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). RAIN SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS.
CHANCE OF PCPN......100 PERCENT.
CHANCE OF THUNDER...20 PERCENT.
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........97 PERCENT.
SURFACE WINDS (MPH).NORTHEAST WINDS 5 TO 7 MPH.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........96 95 96 96 96 96 96 98 96 92 92 92
WEATHER COV.....DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF LKY DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH SCH
CHC OF PCPN (%).90 80 80 90 90 100 90 100 90 90 70 80
CHC OF THDR (%).20 20 20 20 20 10 10 10 10 10 10 20
TEMP............54 54 55 58 60 60 61 62 62 64 64 64
RH..............100 100 100 100 100 100 100 100 100 97 100 100
SURFACE WND DIR.NE NE NE NE NE NE NE NE NE NE NE NE
SURFACE WND SPD.5 5 5 5 6 6 6 6 6 7 7 6
SURFACE WND GST.12 12 12 12 12 13 13 13 14 14 14 13
FORECASTER...ROSA
REQUESTED BY...SETH MACEY
TYPE OF REQUEST...OTHER
.TAG 2614287.0/LWX
.DELDT 05/22/26
.FORMATTERVERSION 2.0.0
.EMAIL SETH_MACEY@NPS.GOV
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