682  
FXUS01 KWBC 251921  
PMDSPD  
 
SHORT RANGE FORECAST DISCUSSION  
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD  
320 PM EDT WED JUN 25 2025  
 
VALID 00Z THU JUN 26 2025 - 00Z SAT JUN 28 2025  
 
...EXTREMELY DANGEROUS HEAT PERSISTS ACROSS THE MIDWEST AND EAST  
COAST...  
 
...HEAVY RAIN AND FLASH FLOODING POSSIBLE FOR PORTIONS OF THE  
SOUTHWEST, PLAINS, AND UPPER MIDWEST TODAY AND THURSDAY...  
 
...SEVERE THUNDERSTORMS POSSIBLE IN THE SOUTHEAST, PLAINS, AND  
UPPER MIDWEST TODAY AND IN THE NORTHERN PLAINS ON FRIDAY...  
 
AN ANOMALOUSLY STRONG HIGH PRESSURE RIDGE REMAINS IN PLACE OVER  
THE EASTERN U.S. AND IS CREATING SWELTERING CONDITIONS EAST OF THE  
MISSISSIPPI. HEAT ADVISORIES ARE IN EFFECT FOR PORTIONS OF THE  
MIDWEST, SOUTH, SOUTHEAST, AND EAST COAST, AND EXTREME HEAT  
WARNINGS ARE IN EFFECT FOR PORTIONS OF THE OHIO VALLEY AND  
MID-ATLANTIC. EXTREME HEAT WILL LINGER IN THE OHIO VALLEY THROUGH  
THE END OF THE WORK WEEK, WITH HIGH TEMPERATURES IN THE 90S AND  
LOWS IN THE 70S EACH DAY, BUT TEMPERATURES ELSEWHERE SHOULD BEGIN  
TO MODERATE BY THURSDAY NIGHT. THIS LEVEL OF HEAT CAN BE DANGEROUS  
TO ANYONE WITHOUT EFFECTIVE COOLING AND/OR ADEQUATE HYDRATION.  
HEAT RELATED ILLNESSES INCREASE SIGNIFICANTLY DURING EXTREME  
LONGER DURATION HEAT. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT  
EXHAUSTION AND HEAT STROKE.  
 
IN THE WESTERN AND CENTRAL U.S., UPPER LEVEL TROUGHING WILL KEEP  
CONDITIONS COOLER AND SUPPORT MULTIPLE DAYS OF SHOWERS AND STORMS  
FOR PORTIONS OF THE SOUTHWEST, PLAINS, AND UPPER MIDWEST. MOISTURE  
WILL FLOW NORTH ALONG THE WESTERN EDGE OF THE RIDGE AND INTERACT  
WITH A FRONTAL SYSTEM DRAPED ACROSS THE CENTRAL/NORTHERN PLAINS  
AND MIDWEST TO CREATE POTENTIAL FOR ISOLATED TO SCATTERED FLASH  
FLOODING TODAY AND THURSDAY. FLASH FLOODING CHANCES WILL BE  
HEIGHTENED IN PORTIONS OF NEW MEXICO AND WEST TEXAS NEAR STEEP  
TERRAIN AND BURN SCARS. THIS FRONTAL SYSTEM SHOULD SLOWLY PUSH  
EAST, EXPANDING RAIN CHANCES TO THE EAST COAST FRIDAY INTO THE  
WEEKEND.  
 
WITH EXTREMELY WARM, MOIST, UNSTABLE AIR IN PLACE ACROSS MOST OF  
THE CENTRAL AND EASTERN U.S., SOME THUNDERSTORM ACTIVITY MAY  
BECOME SEVERE. SCATTERED SEVERE THUNDERSTORMS WITH DAMAGING WINDS  
ARE EXPECTED TO DEVELOP THIS EVENING ACROSS THE SOUTHWEST, PLAINS,  
AND UPPER MIDWEST, AND DIURNAL THUNDERSTORMS WILL LIKELY BECOME  
SEVERE THIS EVENING ACROSS THE SOUTHEAST AS WELL. SEVERE  
THUNDERSTORM CHANCES WILL DECREASE ON THURSDAY, BUT THERE MAY  
STILL BE ISOLATED SEVERE STORMS WITH STRONG WIND GUSTS IN PORTIONS  
OF THE CENTRAL AND EASTERN U.S.. ON FRIDAY, LOW PRESSURE WILL  
STRENGTHEN ALONG THE STATIONARY FRONT DRAPED OVER THE PLAINS AND  
NORTHERN ROCKIES, AND THIS SYSTEM WILL PUSH EAST WHILE GAINING  
MOMENTUM. SCATTERED SEVERE THUNDERSTORMS ARE EXPECTED TO FORM IN  
THE WARM SECTOR OF THIS SYSTEM OVER THE NORTHERN PLAINS, WITH  
LARGE HAIL AND LOCALLY DAMAGING WINDS BEING THE PRIMARY THREATS.  
 
DOLAN  
 
GRAPHICS AVAILABLE AT  
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP  
 
 
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