020
FXUS01 KWBC 070755
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
355 AM EDT FRI AUG 07 2026
VALID 12Z FRI AUG 07 2026 - 12Z SUN AUG 09 2026
...DANGEROUS HEAT PEAKS THIS WEEKEND ACROSS THE WESTERN U.S.;
SPREADS INTO THE HEARTLAND NEXT WEEK...
...UNSETTLED WEATHER PERSISTS EAST OF THE ROCKIES AND OVER THE
SOUTHWEST FOR THE NEXT FEW DAYS...
...POOR AIR QUALITY FROM WILDFIRE SMOKE CONTINUES FOR PARTS OF THE
PACIFIC NORTHWEST AND INTERMOUNTAIN WEST...
OUR WEATHER STORY REMAINS LARGELY UNCHANGED THIS WEEKEND AS AN
EXPANSIVE DOME OF MID/UPPER-LEVEL HIGH PRESSURE BUILDS OVER THE
FOUR CORNERS. THIS FEATURE WILL USHER IN DANGEROUSLY HOT WEATHER
TO MUCH OF THE WEST AS DAYTIME TEMPERATURES CLIMB INTO THE TRIPLE
DIGITS, WHICH COULD CHALLENGE SEVERAL DAILY AND MONTHLY HIGH
TEMPERATURE RECORDS ACROSS THE REGION THIS WEEKEND. BY EARLY NEXT
WEEK, RISING HEIGHTS EAST OF THE ROCKIES WILL LEAD TO HOT WEATHER
RETURNING TO THE PLAINS STATES WITH TEMPERATURES CLIMBING INTO THE
UPPER-90S AND TRIPLE DIGITS. TEMPERATURES ASIDE, THE HIGH PRESSURE
ALOFT WILL ALSO LIMIT THE ABILITY FOR WILDFIRE SMOKE IN THE WEST
TO DISPERSE, MAINTAINING POOR AIR QUALITY OVER PORTIONS OF THE
PACIFIC NORTHWEST AND INTERMOUNTAIN WEST FOR THE NEXT SEVERAL DAYS.
MEANWHILE, AN APPROACHING FRONT IN THE DAKOTAS AND REMNANT OUTFLOW
BOUNDARIES WILL YIELD THUNDERSTORMS TODAY AND TOMORROW EAST OF THE
ROCKIES. AS IS TYPICAL FOR AUGUST, ANY THUNDERSTORMS WILL BE
CAPABLE OF PRODUCING ISOLATED HEAVY RAINFALL AND SEVERE WEATHER. A
FEW OF THE STRONGEST STORMS THIS AFTERNOON COULD BE RELATIVELY
MORE ORGANIZED AND PRODUCE A FEW INSTANCES OF DAMAGING WIND GUSTS
ALONG THE I-95 CORRIDOR FROM D.C. TO NEW YORK. ACROSS THE
SOUTHWEST, MONSOONAL MOISTURE WILL LIKELY PRODUCE DAILY SHOWERS
AND THUNDERSTORMS WITH THE THREAT OF LOCALLY HEAVY RAIN AND
ISOLATED FLASH FLOODING DURING THE AFTERNOON AND EVENING HOURS
THIS WEEKEND.
ASHERMAN/MILLER
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