365  
FNUS71 KLWX 251143  
FWSLWX  
 
SPOT FORECAST FOR NATIONAL MEMORIAL DAY PARADE...U.S. DEPARTMENT OF THE INTERIOR  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
743 AM EDT MON MAY 25 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 EDT ON MAY 25.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
ADDITIONAL SHOWERS AND SOME THUNDERSTORMS ARE EXPECTED THROUGH  
TONIGHT, WITH CONTINUED BELOW AVERAGE TEMPERATURES. THE STALLED  
FRONT LINGERS NEAR THE AREA THROUGH THE MIDDLE OF THE WEEK BEFORE  
MOVING WELL TO THE SOUTH BY THE END OF THE WEEK. WHILE NO DAY WILL  
BE A WASHOUT, THIS PATTERN BRINGS DAILY CHANCES FOR SHOWERS AND  
THUNDERSTORMS THROUGH WEDNESDAY.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG IN  
THE MORNING. SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS THROUGH THE DAY.  
CHANCE OF PCPN......90 PERCENT.  
CHANCE OF THUNDER...22 PERCENT.  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........79 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS.  
 
TIME (EDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM  
SKY (%).........96 91 89 91 83 78  
WEATHER COV.....CHANCE DEFNTE LIKELY LIKELY CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........ S CHC S CHC S CHC S CHC  
CHC OF PCPN (%).50 90 70 70 50 40  
CHC OF THDR (%).10 10 20 20 20 20  
TEMP............63 67 69 71 73 75  
RH..............100 93 93 90 87 79  
SURFACE WIND....SE 2 SW 2 SW 3 W 3 W 2 SE 1  
SURFACE WND GST.5 5 8 7 5 5  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. CHANCE OF SHOWERS  
THROUGH THE NIGHT. PATCHY FOG IN THE LATE  
EVENING AND OVERNIGHT.  
CHANCE OF PCPN......40 PERCENT.  
CHANCE OF THUNDER...21 PERCENT.  
MIN TEMPERATURE.....AROUND 63.  
MAX HUMIDITY........100 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS.  
 
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........68 89 66 73 88 86  
WEATHER COV.....CHANCE CHANCE S CHC PATCHY CHANCE S CHC  
WEATHER TYPE....RNSHWR RNSHWR RN/FG FOG RNSHWR RN/FG  
TSTM COV........S CHC  
CHC OF PCPN (%).40 30 20 10 30 20  
CHC OF THDR (%).20 10 10 0 0 0  
TEMP............74 73 69 68 67 65  
RH..............82 84 97 100 100 100  
SURFACE WIND....SE 2 SE 1 N 0 N 0 N 0 N 0  
SURFACE WND GST.5 2 1 1 1 1  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG EARLY  
IN THE MORNING. AREAS OF FOG EARLY IN THE  
MORNING, THEN PATCHY FOG LATE IN THE MORNING.  
CHANCE OF SHOWERS THROUGH THE DAY.  
CHANCE OF PCPN......50 PERCENT.  
CHANCE OF THUNDER...10 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........79 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........82 79 86 86 88 81  
WEATHER COV.....S CHC CHANCE S CHC  
WEATHER TYPE....RN/FG RN/FG NONE RNSHWR NONE NONE  
TSTM COV........  
CHC OF PCPN (%).20 30 10 20 10 10  
CHC OF THDR (%).0 0 0 0 10 10  
TEMP............65 67 71 73 76 78  
RH..............100 100 93 87 82 79  
SURFACE WIND....N 0 NE 1 E 2 E 3 SE 2 S 3  
SURFACE WND GST.2 3 5 6 6 5  
 
 
FORECASTER...ROSA  
REQUESTED BY...INTERIOR OPERATIONS CENTER  
TYPE OF REQUEST...OTHER  
.TAG 2614410.0/LWX  
.DELDT 05/25/26  
.FORMATTERVERSION 2.0.0  
.EMAIL DOI_WATCH_OFFICE@IOS.DOI.GOV  
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