518  
FNUS71 KLWX 142147  
FWSLWX  
 
SPOT FORECAST FOR LIA MCDONALD...DOI  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
547 PM EDT SUN JUN 14 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 EDT ON JUNE 14.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION  
 
WE CONTINUE TO MONITOR SEVERE THUNDERSTORM POTENTIAL THROUGH THIS EVENING,  
WITH THE MOST LIKELY WINDOW OF SEVERE WEATHER POTENTIAL BETWEEN 7 AND 9 PM  
THIS EVENING, ALTHOUGH STORMS COULD LINGER INTO EARLY MORNING HOURS MONDAY.  
 
HIGH PRESSURE RETURNS FOR MONDAY INTO TUESDAY,  
RESULTING IN DRY CONDITIONS AND COOLER TEMPERATURES. A RETURN OF  
SUMMERTIME HEAT COMES BY THURSDAY WHICH HAS CARRIES WITH IT  
RENEWED CHANCES FOR STRONG TO SEVERE THUNDERSTORMS. BEHIND THIS  
SYSTEM, HUMIDITY LEVELS LOWER INTO NEXT WEEKEND.  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING  
PARTLY CLOUDY (30-40 PERCENT). SHOWERS AND  
SCATTERED THUNDERSTORMS IN THE EVENING, THEN  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
OVERNIGHT.  
CHANCE OF PCPN......70 PERCENT.  
CHANCE OF THUNDER...38 PERCENT.  
MIN TEMPERATURE.....AROUND 66.  
MAX HUMIDITY........87 PERCENT.  
SURFACE WINDS (MPH).SOUTH WINDS 5 TO 14 MPH SHIFTING TO THE  
NORTHWEST 12 TO 15 MPH AFTER 3 AM.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........63 73 84 83 71 71 65 65 70 41 38 30  
WEATHER COV.....SCT SCT DEF DEF CHC CHC SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW  
TSTM COV........SCT SCT CHC CHC CHC SCH SCH SCH  
CHC OF PCPN (%).40 70 70 60 40 40 20 20 10 0 0 0  
CHC OF THDR (%).40 40 40 40 40 20 20 20 0 0 0 0  
TEMP............91 89 84 80 77 76 75 74 73 72 69 68  
RH..............45 52 61 72 79 82 84 84 84 84 87 87  
SURFACE WND DIR.S S S S S S SW SW W W NW NW  
SURFACE WND SPD.14 14 14 12 8 6 5 5 6 8 12 15  
SURFACE WND GST.20 20 20 16 9 7 6 6 7 9 16 21  
 
 
FORECASTER...ROSA  
REQUESTED BY...LIA MCDONALD  
TYPE OF REQUEST...OTHER  
.TAG 2615506.0/LWX  
.DELDT 06/14/26  
.FORMATTERVERSION 2.0.0  
.EMAIL LIA_MCDONALD@IOS.DOI.GOV  
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