412
FXUS63 KUNR 112050
AFDUNR
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
150 PM MST TUE NOV 11 2025
KEY MESSAGES
- BREEZY NORTHWEST WINDS ACROSS THE WESTERN SD PLAINS THIS
AFTERNOON
- WARM AND DRY THROUGH THIS WEEK WITH HIGHS 10-15F WARMER THAN
AVERAGE
- NEXT CHANCE FOR PRECIP COMES FRIDAY INTO SATURDAY
DISCUSSION
(THIS AFTERNOON THROUGH MONDAY)
ISSUED AT 1153 AM MST TUE NOV 11 2025
A LARGE AND BROAD RIDGE CONTINUES TO SIT ACROSS ALL OF THE
INTERMOUNTAIN WEST WITH EASTERN WYOMING AND WESTERN SOUTH DAKOTA
SITTING ON ITS EASTERN PERIPHERY. TIGHTENING GRADIENTS HAVE
ALLOWED BREEZY NORTHWEST FLOW TO DEVELOP ACROSS THE AREA THIS
AFTERNOON. THIS DOWNSLOPING COMPONENT HAS THE AREA MOSTLY DEVOID
OF CLOUD COVER. THE CLOUDS SHOULD REMAIN MOSTLY CLEAR THIS
EVENING WHICH WILL LEAD TO GO NORTHERN LIGHTS VIEWING. OVERALL THE
REST OF THE WEEK LOOKS ON TRACK WHEN COMPARING THE MODELS AND
ENSEMBLE ANALYSIS FROM PREVIOUS RUNS. THE AFOREMENTIONED RIDGE
AXIS WILL SLOWLY SHIFT EAST THROUGHOUT THE WEEK IN RESPONSE TO AN
INCOMING LARGER AND DEEPER TROUGH IN THE PACIFIC NORTHWEST.
EVENTUALLY THIS TROUGH AXIS WILL MOVE INTO OUR REGION BY THE END
OF THE WEEK AND INTO NEXT WEEKEND WITH COLDER TEMPERATURES AND
CHANCES FOR SOME HIGH ELEVATION LIGHT SNOW SHOWERS AND VALLEY RAIN
SHOWERS.
AVIATION
(FOR THE 18Z TAFS THROUGH 18Z WEDNESDAY)
ISSUED AT 1042 AM MST TUE NOV 11 2025
VFR CONDITIONS WILL PERSIST THROUGH THE FORECAST PERIOD. GUSTY
NORTHWEST WINDS EXPECTED THIS AFTERNOON, MAINLY ACROSS
NORTHWESTERN SD WHERE GUSTS OF UP TO 40KT EXPECTED.
UNR WATCHES/WARNINGS/ADVISORIES
SD...NONE.
WY...NONE.
DISCUSSION/KEY MESSAGES...WOODWARD
AVIATION...DYE
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