084
FXUS65 KRIW 231123
AFDRIW
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
523 AM MDT MON MAR 23 2026
KEY MESSAGES
- DENSE HIGH CLOUDS CONTINUE ACROSS MOST OF THE STATE TODAY, BUT
NO PRECIPITATION EXPECTED.
- THE WARMING TREND CONTINUES TODAY, WITH HIGHS IN MOST
LOCATIONS REACHING THE 60S. THIS WARMING TREND CONTINUES INTO
MIDWEEK.
- GUSTIER WINDS TUESDAY AND WEDNESDAY, ALONG WITH VERY DRY
CONDITIONS, WILL LEAD TO WIDESPREAD ELEVATED TO CRITICAL FIRE
WEATHER CONCERNS.
DISCUSSION
ISSUED AT 214 AM MDT MON MAR 23 2026
THE H5 RIDGE REMAINS SLIGHTLY FLATTENED TO THE SOUTH CURRENTLY,
ALLOWING FOR SOME MIDLEVEL MOISTURE TO POUR INTO THE REGION
FROM THE PACIFIC. THIS IS BRINGING SOME VARYING HIGH CIRRUS,
WHICH WILL CONTINUE TO SWEEP THROUGH TODAY. WITH YESTERDAY'S
COLD FRONT WELL TO THE EAST, THE WARMING TREND WILL KICK BACK IN
TODAY, WITH HIGHS MAINLY IN THE 60S.
STARTING TOMORROW, THE GRADIENT ACROSS THE START STARTS TO
TIGHTEN, LEADING TO ANOTHER ROUND OF GUSTY TO STRONG WINDS FOR
MOST LOCATIONS. THIS ALONG WITH DRY AIR WILL INCREASE THE FIRE
WEATHER THREAT. ELEVATED CONCERNS START TUESDAY, WITH NEAR
CRITICAL WINDS AND HUMIDITY WEDNESDAY, POSSIBLY EXTENDING INTO
THURSDAY. WILL BE HOISTING A FIRE WEATHER WATCH FOR THE DAY
WEDNESDAY FOR THIS SCENARIO.
ANOTHER COLD FRONT IS CURRENTLY ON TAP, WITH LATEST TIMING
RACING SOUTHWARD WEDNESDAY NIGHT AND THURSDAY MORNING. THERE MAY
BE ENOUGH MOISTURE FOR SOME LIGHT RAIN WITH THIS ACROSS FAR
NORTHERN WY, BUT ACCUMULATIONS WILL BE MINIMAL. A CONSIDERABLE
TEMPERATURE DROP IS NOTED WITH THIS FRONT, BRINGING HIGHS BACK
NEAR NORMAL IN THE 40S AND 50S, WITH LOWS DOWN INTO THE 20S.
AVIATION /12Z TAFS THROUGH 12Z TUESDAY/
ISSUED AT 510 AM MDT MON MAR 23 2026
VFR CONDITIONS WILL PREVAIL ACROSS ALL TERMINALS THROUGHOUT THE
TAF PERIOD. HIGH SCT-BKN CEILINGS OF FL100-200 WILL CONTINUE TO
SPREAD ACROSS THE REGION TODAY. WINDS GRADUALLY INCREASE BY THE
EARLY AFTERNOON ACROSS NEARLY ALL TERMINALS. OVERALL, WINDS
REMAIN MOSTLY LIGHT AROUND 10 KNOTS BUT KBPI, KPNA, KRKS, AND
KCPR MAY SEE WINDS UP TO 25 KNOTS AT TIMES AFTER 19Z MONDAY.
WINDS GRADUALLY WEAKEN BY THE EVENING WITH A DRAINAGE WIND
AROUND 20 KNOTS POSSIBLE AT KRIW BY 23Z MONDAY. MOUNTAINS SHOULD
REMAIN MOSTLY UNOBSCURED THROUGH THE MAJORITY OF THE TAF PERIOD.
RIW WATCHES/WARNINGS/ADVISORIES
FIRE WEATHER WATCH FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY
EVENING FOR WYZ275>277-279>283-289.
DISCUSSION...STRAUB
AVIATION...DZIEWALTOWSKI
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