621  
FXUS01 KWBC 060759  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
359 AM EDT FRI JUN 06 2025  
 
VALID 12Z FRI JUN 06 2025 - 12Z SUN JUN 08 2025  
 
...EPISODES OF SEVERE THUNDERSTORMS ON TAP FOR PORTIONS OF THE  
CENTRAL AND SOUTHERN HIGH PLAINS, THE TENNESSEE AND OHIO VALLEYS,  
SOUTHERN NEW ENGLAND, AND INTO THE SOUTHEAST FRIDAY AND SATURDAY...  
 
...HEAVY SHOWERS CAPABLE OF PRODUCING INSTANCES OF FLASH FLOODING  
EXPECTED ACROSS PORTIONS OF THE CENTRAL/SOUTHERN HIGH PLAINS  
EASTWARD INTO PARTS OF THE TENNESSEE VALLEY, MID-SOUTH, AND  
SOUTHERN NEW ENGLAND INTO THE WEEKEND...  
 
...BELOW NORMAL TEMPERATURES IN STORE FROM THE ROCKIES INTO THE  
GREAT LAKES WHILE HEAT BUILDS ACROSS THE SOUTHERN U.S. AND THE  
PACIFIC NORTHWEST THROUGH SATURDAY...  
 
A SLOW-MOVING, WAVY FRONTAL SYSTEM STRETCHING FROM THE NORTHEAST  
TO THE OHIO/TENNESSEE VALLEYS TO THE CENTRAL/SOUTHERN HIGH PLAINS  
WILL BE THE FOCUS FOR SEVERAL ROUNDS OF SEVERE THUNDERSTORMS AND  
DRENCHING DOWNPOURS FRIDAY INTO THE FIRST HALF OF THE WEEKEND.  
WARM AND MOIST AIR SOUTH OF THE WAVY FRONT WILL CLASH WITH COOLER  
AND DRIER AIR TO THE NORTH OF IT, SETTING THE STAGE FOR AN ACTIVE  
STRETCH OF WEATHER FOR A LARGE PORTION OF THE COUNTRY. SEVERE  
THUNDERSTORMS CAPABLE OF PRODUCING VERY LARGE HAIL, DAMAGING  
WINDS, AND A FEW TORNADOES WILL BE PARTICULARLY CONCERNING ACROSS  
PARTS OF THE CENTRAL AND SOUTHERN HIGH PLAINS TODAY, WITH THE  
STORM PREDICTION CENTER HIGHLIGHTING THE THREAT WITH AN ENHANCED  
RISK (LEVEL 3/5) OF SEVERE WEATHER. STRONG TO SEVERE THUNDERSTORMS  
WILL ALSO BE POSSIBLE FARTHER EAST ACROSS PARTS OF THE  
TENNESSEE/OHIO VALLEYS AND SOUTHERN NEW ENGLAND, WITH A SLIGHT  
RISK (LEVEL 2/5) OUTLINING THE POTENTIAL FOR STRONG WINDS, HAIL,  
AND EVEN AN ISOLATED TORNADO OR TWO. IN ADDITION TO THE SEVERE  
WEATHER THREAT, THESE SAME REGIONS WILL ALSO HAVE TO CONTEND WITH  
BOUTS OF HEAVY RAINFALL, SOME OF WHICH COULD LEAD TO SCATTERED  
INSTANCES OF FLASH FLOODING. ON SATURDAY, THE RISK FOR SEVERE  
WEATHER AND EXCESSIVE RAINFALL WILL SHIFT SOUTH AND EAST A BIT,  
TARGETING MORE OF THE MID-SOUTH, TENNESSEE VALLEY, AND THE  
SOUTHEAST AS ADDITIONAL WAVES OF LOW PRESSURE DEVELOP ALONG THE  
SLOW-MOVING FRONT. SIMILAR TO TODAY, HEAVY SHOWERS AND STRONG TO  
SEVERE THUNDERSTORMS WILL THREATEN TO PRODUCE DAMAGING WINDS,  
LARGE HAIL, A COUPLE TORNADOES, AND FLASH FLOODING.  
 
IN THE WAKE OF THE FRONT, HIGH PRESSURE BUILDING IN FROM THE  
NORTHWEST WILL LEAD TO A PERIOD OF COOLER THAN NORMAL TEMPERATURES  
FROM PARTS OF THE ROCKIES AND THE INTERMOUNTAIN WEST EASTWARD TO  
THE GREAT LAKES THROUGH SATURDAY. THE COOLEST TEMPERATURE  
ANOMALIES WILL BE FOUND FROM SOUTHEAST WYOMING AND WESTERN  
NEBRASKA TO EASTERN COLORADO AND WESTERN KANSAS TODAY WITH HIGH  
TEMPERATURES 10 TO 15 DEGREES BELOW NORMAL. ON THE OTHER SIDE OF  
THE COIN, SUMMER-LIKE HEAT WILL BUILD ACROSS THE SOUTHERN TIER OF  
THE U.S. AND MUCH OF THE PACIFIC NORTHWEST THROUGH THE WEEKEND.  
TEMPERATURES OF 10 TO AS MUCH AS 25 DEGREES ABOVE NORMAL WILL  
TRANSLATE TO HIGHS WELL INTO THE 90S AND 100S. IN FACT, BY SUNDAY,  
HIGH TEMPERATURES COULD THREATEN RECORDS FOR PARTS OF THE PACIFIC  
NORTHWEST, WITH EVEN MORE RECORDS POSSIBLE ON MONDAY.  
 
MILLER  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 
 
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