893  
FNUS71 KLWX 081805  
FWSLWX  
 
SPOT FORECAST FOR SHEN SAFETY DAY...NATIONAL PARK SERVICE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
205 PM EDT MON JUN 8 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1400 EDT ON JUNE 10.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
A WARM FRONT WILL BE LIFTING THROUGH THE AREA WEDNESDAY. SHOWERS  
AND THUNDERSTORMS WILL BE POSSIBLE THROUGHOUT THE DAY, ALTHOUGH  
THE TIMING AND COVERAGE REMAINS UNCERTAIN AT THIS TIME. SEVERE  
THUNDERSTORMS APPEAR UNLIKELY. OUTSIDE OF PRECIPITATION, SKIES  
WILL BE MOSTLY CLOUDY WITH LIGHT WINDS. HIGH TEMPERATURES WILL  
APPROACH 90 DEGREES, BUT THAT MAY DEPEND ON THERE BEING ENOUGH  
BREAKS IN THE CLOUDS. HOT AND HUMID CONDITIONS ARE EXPECTED  
THURSDAY WITH POTENTIAL FOR AFTERNOON/EVENING SHOWERS AND  
THUNDERSTORMS.  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SHOWERS LIKELY  
AND CHANCE OF THUNDERSTORMS.  
CHANCE OF PCPN......60 PERCENT.  
CHANCE OF THUNDER...30 PERCENT.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........56 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 5 TO 6 MPH.  
 
TIME (EDT) 2PM 3PM 4PM 5PM  
SKY (%).........71 71 71 71  
WEATHER COV.....LKY LKY LKY LKY  
WEATHER TYPE....RW RW RW RW  
TSTM COV........CHC CHC CHC CHC  
CHC OF PCPN (%).60 60 60 60  
CHC OF THDR (%).30 30 30 30  
TEMP............85 87 88 88  
RH..............60 58 56 58  
SURFACE WND DIR.SW SW SW SW  
SURFACE WND SPD.6 6 5 5  
SURFACE WND GST.14 14 13 13  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
PARTLY CLOUDY (30-40 PERCENT). SHOWERS LIKELY  
AND CHANCE OF THUNDERSTORMS EARLY IN THE  
EVENING.  
CHANCE OF PCPN......60 PERCENT.  
CHANCE OF THUNDER...30 PERCENT.  
MIN TEMPERATURE.....AROUND 68.  
MAX HUMIDITY........100 PERCENT.  
SURFACE WINDS (MPH).SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........71 71 45 39 32 26 27 29 30 30 30 30  
WEATHER COV.....LKY LKY  
WEATHER TYPE....RW RW  
TSTM COV........CHC CHC  
CHC OF PCPN (%).60 60 10 10 10 10 10 10 10 10 10 10  
CHC OF THDR (%).30 30 10 10 10 10 10 10 10 10 10 10  
TEMP............87 85 83 80 77 74 72 71 70 69 69 69  
RH..............60 63 70 74 82 87 93 94 97 100 98 97  
SURFACE WND DIR.SW SW SW SW SW SW SW SW SW SW N N  
SURFACE WND SPD.5 3 3 2 2 1 1 1 1 1 0 0  
SURFACE WND GST.13 13 13 12 9 7 6 6 6 6 6 6  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). CHANCE OF SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......30 PERCENT.  
CHANCE OF THUNDER...30 PERCENT.  
MAX TEMPERATURE.....AROUND 95.  
MIN HUMIDITY........44 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........31 32 33 29 26 22 33 44 55 55 55 55  
WEATHER COV..... CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........ CHC CHC CHC CHC  
CHC OF PCPN (%).10 10 10 10 10 10 10 10 30 30 30 30  
CHC OF THDR (%).10 10 0 0 0 10 10 10 30 30 30 30  
TEMP............69 70 73 77 81 85 89 91 93 93 93 92  
RH..............96 95 91 83 71 62 54 48 45 44 44 46  
SURFACE WND DIR.N N N W W W W W W W W W  
SURFACE WND SPD.0 0 0 1 2 3 3 5 5 6 6 6  
SURFACE WND GST.6 6 6 7 9 10 12 12 12 12 13 13  
 
 
FORECASTER...SNYDER  
REQUESTED BY...ANDREW ADDIE  
TYPE OF REQUEST...OTHER  
.TAG 2615170.0/LWX  
.DELDT 06/08/26  
.FORMATTERVERSION 2.0.0  
.EMAIL ANDREW_ADDIE@NPS.GOV  
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