544  
FXUS65 KRIW 231653  
AFDRIW  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE RIVERTON WY  
1053 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 AREA 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 /18Z TAFS THROUGH 18Z TUESDAY/  
 
ISSUED AT 1053 AM MDT MON MAR 23 2026  
 
A STRONG AREA OF HIGH PRESSURE WILL REMAIN TO THE SOUTH OF WYOMING  
ACROSS THE SOUTHWESTERN US AND THE JET STREAM JUST NORTH OF WYOMING  
THROUGH THE TAF PERIOD. THIS WILL KEEP WIND FROM THE WEST AND SOME  
MID TO HIGH CLOUDS (FL100-250) STREAMING ACROSS THE AREA. WIND WILL  
BE GUSTY THIS AFTERNOON, ESPECIALLY ACROSS SOUTHERN WYOMING. ON  
AVERAGE WIND SPEEDS AT KBPI, KPNA, AND KRKS WILL BE ABOUT 15 KNOTS,  
WITH GUSTS AROUND 25 KNOTS UNTIL 01-02Z THIS EVENING. A NORTHWEST  
DRAINAGE WIND WILL DEVELOP AT KRIW FROM 23-04Z THIS EVENING.  
 
HIGH PRESSURE WILL BEGIN TO GET PUSHED FURTHER SOUTH TUESDAY  
AFTERNOON, WHICH WILL RESULT IN INCREASED WIND. MANY TERMINALS WILL  
SEE WIND INCREASE BY 16-17Z TUESDAY MORNING. EXPECT WIND TO BE 15-20  
KNOTS, WITH GUSTS OF 20-30 KNOTS AT MOST TERMINALS LATE TUESDAY  
MORNING THROUGH TUESDAY AFTERNOON. CLOUDS WILL LOWER SLIGHTLY LATE  
TUESDAY MORNING (FL050-100), BUT OVERALL WILL BE FEW TO SCT.  
 
PLEASE SEE THE AVIATION WEATHER CENTER AND/OR CWSU ZDV AND ZLC FOR  
THE LATEST INFORMATION ON ICING AND TURBULENCE FORECASTS.  
 
 
   
RIW WATCHES/WARNINGS/ADVISORIES  
 
FIRE WEATHER WATCH FROM WEDNESDAY AFTERNOON THROUGH WEDNESDAY  
EVENING FOR WYZ275>277-279>283-289.  
 
 
 
 
 
DISCUSSION...STRAUB  
AVIATION...ROWE  
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