277  
FNUS71 KLWX 281616  
FWSLWX  
 
SPOT FORECAST FOR NPS BASIC TECHNICAL RESCUE TRAINING...NATIONAL PARK SERVICE  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1216 PM EDT TUE APR 28 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1700 EDT ON APRIL 28.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
DRY CONDITIONS EXPECTED FOR THE REST OF THE AFTERNOON INTO  
TONIGHT. HOWEVER, EXPECT A SOAKING RAIN TO DEVELOP BY  
MID-MORNING ON WEDNESDAY, FOLLOWED BY A LINE OF SHOWERS AND  
THUNDERSTORMS BY THE LATE AFTERNOON/EARLY EVENING HOURS.  
A FEW STORMS IN THE AFTERNOON COULD BECOME SEVERE, WITH  
STRONG WINDS AND LARGE HAIL BOTH A POSSIBILITY.  
   
REST OF TODAY  
 
SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 59.  
SURFACE WINDS (MPH).SOUTHWEST WINDS AROUND 12 TO 16 MPH WITH  
GUSTS TO 24 MPH.  
 
TIME (EDT) 5PM  
SKY (%).........53  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10  
CHC OF THDR (%).0  
TEMP............59  
SURFACE WND DIR.SW  
SURFACE WND SPD.14  
SURFACE WND GST.24  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (55-70 PERCENT).  
CHANCE OF PCPN......10 PERCENT EARLY, 0 MOST OF THE NIGHT.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 51.  
SURFACE WINDS (MPH).SOUTHWEST WINDS 10 TO 14 MPH WITH GUSTS TO  
AROUND 22 MPH EARLY IN THE EVENING. WINDS  
DECREASE AFTER 10 PM, BECOMING 8 TO 10 MPH  
WITH GUSTS TO 16 MPH.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........52 51 44 57 48 44 53 53 69 64 59 63  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............59 58 57 56 56 54 54 53 53 52 52 51  
SURFACE WND DIR.SW S SW SW SW SW SW SW SW SW SW SW  
SURFACE WND SPD.14 14 13 13 12 12 12 10 12 10 9 9  
SURFACE WND GST.22 21 20 18 18 17 17 16 17 16 15 15  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). RAIN SHOWERS  
LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE MORNING. INCREASING CHANCES FOR  
THUNDERSTORMS IN THE AFTERNOON.  
CHANCE OF PCPN......100 PERCENT.  
CHANCE OF THUNDER...40 PERCENT.  
MAX TEMPERATURE.....AROUND 62.  
SURFACE WINDS (MPH).SOUTH WINDS 8 TO 12 MPH WITH GUSTS TO AROUND  
21 MPH IN THE AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........68 84 89 88 82 91 86 91 94 82 89 90  
WEATHER COV..... CHC CHC LKY DEF DEF DEF LKY DEF DEF  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH CHC CHC CHC CHC  
CHC OF PCPN (%).0 10 10 30 50 60 80 80 90 70 80 80  
CHC OF THDR (%).0 0 0 10 10 20 20 20 30 30 40 40  
TEMP............53 53 54 56 57 57 57 58 57 57 60 58  
SURFACE WND DIR.SW SW SW S S S S S S S S S  
SURFACE WND SPD.9 9 9 9 10 10 10 10 10 10 10 10  
SURFACE WND GST.14 14 14 16 17 18 18 20 20 21 21 21  
 
 
FORECASTER...LEDBETTER  
REQUESTED BY...BENJAMIN C DUNPHEY  
TYPE OF REQUEST...SAR  
.TAG 2611746.2/LWX  
.DELDT 04/28/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BENJAMIN.C.DUNPHEY@GMAIL.COM,BENJAMIN_DUNPHEY@NPS.GOV  
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