719  
FXUS63 KGLD 171957  
AFDGLD  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GOODLAND KS  
157 PM MDT SUN MAY 17 2026  
   
KEY MESSAGES  
 
- SUNDAY-MONDAY, MORE SEVERE WEATHER IS EXPECTED DURING THE  
AFTERNOON AND EVENING HOURS. ALL HAZARDS ARE POSSIBLE, AND  
WILL GENERALLY FAVOR NORTHERN PORTIONS OF THE AREA.  
 
- BLOWING DUST WILL BE POSSIBLE WITH SEVERE STORMS. BLOWING DUST  
MAY ALSO OCCUR MONDAY WITH WIND GUSTS NEARING 50 MPH SOUTH OF  
U.S. 40.  
 
- EARLY TUESDAY MORNING, A FREEZE WATCH IS IN EFFECT FOR EASTERN  
COLORADO WHERE TEMPERATURES COULD DROP INTO THE MID 20S.  
 
 
   
SHORT TERM /THROUGH TUESDAY NIGHT/  
 
ISSUED AT 156 PM MDT SUN MAY 17 2026  
 
CURRENT OBSERVATIONS SHOW A LARGE UPPER TROUGH ACROSS MOST OF THE  
ROCKIES REGION WITH A LARGE SURFACE LOW ROUGHLY FROM THE PANHANDLES  
REGION TO NORTH-CENTRAL KANSAS. WITH THIS, MOST OF THE AREA IS ON  
THE BACKSIDE OF THE LOW AND HAS BEEN CLOUD COVERED THROUGH THE  
MORNING. THIS HAS KEPT TEMPERATURES MAINLY IN THE 60S/70S WITH A FEW  
80S AROUND HIGHWAY 283 WHERE THE SUN BROKE THROUGH A BIT EARLIER. AS  
THE DAY PROGRESSES, A CONVERGENCE ZONE REMAINS FORECAST TO DEVELOP  
NEAR THE PALMER DIVIDE AND IGNITE SOME STORMS THAT'LL MOVE  
EAST/NORTHEAST INTO AND THROUGH THE AREA. THESE STORMS WOULD LIKELY  
BE QUICK AND SEVERE WITH MEAN WIND AROUND 30-40 MPH FROM THE  
SOUTHEAST AND CORFIDI DOWNSHEAR VECTORS NEARING 70-100 KTS. THE  
LIKELY START TIME IS AROUND 3-4PM MT AND ENDING AROUND 10-11PM CT.  
 
GOING MORE INTO THE SEVERE POTENTIAL, THE EARLY CLOUD COVER IS  
EXPECTED TO LOWER THE INSTABILITY A BIT. THAT BEING SAID, CLOUD  
COVER IS CLEARING IN EASTERN COLORADO WHICH WILL HELP US RECOVER  
SOME INSTABILITY BEFORE STORMS FIRE UP. WITH A GOOD AMOUNT OF  
MOISTURE AVAILABLE, MUCAPE COULD REACH 1000-3000 J/KG AS THE  
AFTERNOON AND EVENING GOES ON. WITH MID-LEVEL LAPSE RATES NEAR 8  
C/KM, STORMS SHOULD BE ABLE TO FIRE UP AND SUSTAIN THEMSELVES. A FEW  
MORE RECENT RUNS HAVE SUGGESTED THAT THERE MAY BE TOO MUCH CIN THAT  
ENDS STORMS EARLY, BUT STILL A 75% CHANCE THAT STORMS PUSH THROUGH.  
WITH EFFECTIVE SHEAR AROUND 60-70 KTS, SUPERCELLS ARE LIKELY AS LONG  
AS THEY DON'T CLUSTER AND COMPETE TOO MUCH. THIS WILL LEAD TO A  
CHANCE FOR LARGE HAIL AGAIN, MAINLY IN THE 1-2 INCH RANGE. HAIL  
COULD REACH 3 INCHES AGAIN, BUT MUCH LARGER MAY BE HARD WITH THE  
SHEAR AND WIND SPEEDS POTENTIALLY BEING TOO STRONG AND OVER SHEARING  
THE STORM. THIS MAY ALSO HAMPER THE TORNADO THREAT, THOUGH A WELL  
SUSTAINED SUPERCELL WOULD HAVE THE POTENTIAL TO PUT DOWN A LONG  
TRACK TORNADO. OTHERWISE, QUICK SPINUPS SEEM TO BE MORE LIKELY. AS  
FOR WIND, MOST OF THE WIND GUSTS ARE FORECAST TO BE IN THE 45-65 MPH  
RANGE, MATCHING THE FORECAST SPEED OF THE STORMS. THE STRONG 75 MPH+  
GUSTS MAY BE FEWER AND FAR BETWEEN WITH AN ORGANIZED LINE NOT AS  
LIKELY TO FORM. THAT BEING SAID, ANY GOOD SURGE OR OUTFLOW COULD  
PRODUCE WIND GUSTS OF 80-90 MPH AGAIN, WITH 100 NOT OUT OF THE  
QUESTION DUE TO THE STRONG DOWNSHEAR VECTORS.  
 
THE STORMS SHOULD LARGELY FAVOR ALONG AND NORTH OF I-70 AGAIN. THOSE  
SOUTH OF I-70 MAY SEE STORMS DEVELOP IF AN OUTFLOW SHOOTS OUT OF THE  
ORIGINAL STORMS AND IS ABLE TO TRIGGER ADDITIONAL STORMS. OTHERWISE,  
THE MAIN CONCERN FOR THOSE SOUTH OF I-70 WOULD BE BLOWING DUST ALONG  
A STORM OUTFLOW. A SIMILAR SCENARIO HAPPENED YESTERDAY WITH THE WALL  
OF DUST, AND CONDITIONS HAVEN'T CHANGED THAT MUCH TO WHERE IT  
WOULDN'T HAPPEN. THE ONLY DIFFERENCE IS THAT THE EARLY CLOUD COVER  
MAY HAVE HINDERED LOWER LEVEL LAPSE RATES AND LOWERED HOW MUCH DUST  
COULD BE LOFTED.  
 
ONCE THE STORMS LEAVE THE AREA TONIGHT, CLOUDY SKIES ARE FORECAST AS  
WE STILL CONTINUE TO WRAP MOISTURE INTO THE AREA AROUND THE LOW.  
THIS COULD ALSO DEVELOP FOG, THOUGH WINDS INCREASING TO AROUND 15-20  
MPH SHOULD HINDER DENSE FOG DEVELOPMENT.  
 
MONDAY, PART OF THE UPPER TROUGH AXIS IS FORECAST TO PUSH THROUGH  
THE AREA AND HELP PUSH THE CURRENT AREA OF LOW PRESSURE A BIT  
FURTHER SOUTHEAST. THIS SHOULD ALLOW COLDER AIR AND HIGHER PRESSURE  
TO FILTER INTO THE AREA, INCREASING WINDS TO 15-30 MPH WITH GUSTS OF  
35-50 MPH. THANKFULLY, THE RISK FOR CRITICAL FIRE CONDITIONS HAS  
LOWERED WITH THE INCREASE IN LOW LEVEL MOISTURE AVAILABLE. THE ISSUE  
IS THAT THOSE WHO REMAIN WITH LITTLE PRECIPITATION RUN THE RISK OF  
BLOWING DUST DEVELOPING DURING THE AFTERNOON HOURS. CURRENTLY THE  
CHANCE IS AROUND 40-50%, AND IT COULD BE A WALL IF THE WIND SHIFT  
AND STRENGTHENING IS UNIFORM AS THE LOW PUSHES OFF FASTER LATER IN  
THE DAY. A FEW SHOWERS AND STORMS MAY FORM  
 
MONDAY NIGHT, COLD AIR IS FORECAST TO CONTINUE ADVECTING INTO THE  
AREA FROM THE NORTH. THIS DOES LEAD TO SOME CONCERN FOR FREEZING  
TEMPERATURES TO BE REACHED WITH SOME GUIDANCE SUGGESTING MID 20S ARE  
POSSIBLE IN EASTERN COLORADO. THAT BEING SAID, THERE COULD BE SOME  
CLOUD COVER AND OR ENOUGH SURFACE MOISTURE MOVING IN THAT  
TEMPERATURES STAY MORE IN THE MID TO UPPER 30S. FOR NOW, A FREEZE  
WATCH HAS BEEN ISSUED FOR EASTERN COLORADO.  
 
TUESDAY, THE MAIN TROUGH AXIS IS FORECAST TO PUSH OFF TO THE  
NORTHEAST WHILE A SEPARATE WAVE DETACHES AND REMAINS NEAR THE FOUR  
CORNERS REGION. THIS WILL NOT ONLY HELP WEAKEN THE UPPER LEVEL FLOW,  
BUT WEAKEN THE PRESSURE GRADIENT AS THE HIGH DIFFUSES ACROSS THE  
PLAINS. THIS SHOULD WEAKEN THE WINDS AS THE DAY GOES ALONG, WITH THE  
WIND GENERALLY REMAINING FROM THE NORTH. THE LOWER LEVEL MOISTURE  
SHOULD PUSH OUT THROUGH THE DAY, BUT NOT ENOUGH FOR RH TO DROP BELOW  
25 MPH AND CAUSE CRITICAL FIRE WEATHER CONCERNS. ESPECIALLY WITH  
TEMPERATURES FORECAST TO BE IN THE 50S AND 60S. THERE IS THE  
POTENTIAL FOR LATE IN THE DAY STORMS AS A SHORTWAVE MOVES THROUGH  
THE SOUTHWEST FLOW AND WITH MID TO HIGH LEVEL MOISTURE BEING DRIVEN  
INTO THE AREA. FOR NOW, STORMS ARE LIKELY TO BE SUB-SEVERE AND MAY  
NOT REALLY EVEN MAKE IT INTO EASTERN COLORADO FROM THE HIGHER  
TERRAIN. TEMPERATURES ARE FORECAST TO DROP INTO THE MID TO UPPER 30S  
TUESDAY NIGHT WITH THE HIGHER LEVEL CLOUD COVER OVER THE AREA.  
 
 
   
LONG TERM /WEDNESDAY THROUGH SUNDAY/  
 
ISSUED AT 1216 PM MDT SAT MAY 16 2026  
 
TUESDAY IS COOLER IN THE WAKE OF A COLD FRONTAL PASSAGE. HIGH  
TEMPERATURES ARE EXPECTED IN THE UPPER 50S TO UPPER 60S. OUR  
REGION IS FORECAST TO BE UNDER A SOUTHWEST UPPER-LEVEL FLOW AS A  
TROUGH DEVELOPS WEST OF THE ROCKY MOUNTAINS THROUGHOUT THE  
WEEK. OVERNIGHT TUESDAY INTO WEDNESDAY, THERE IS AROUND A 40%  
CHANCE OF SHOWERS FOR THE NORTHWEST COUNTY WARNING AREA (CWA).  
 
CONDITIONS REMAIN COOL WEDNESDAY AND THURSDAY WITH HIGH TEMPERATURES  
FORECAST IN THE 60S. SOUTHWEST UPPER-LEVEL FLOW WILL PERSIST THROUGH  
THE WEEK SUPPORTING CHANCES FOR AFTERNOON SHOWERS AND THUNDERSTORMS.  
PROBABILITY OF PRECIPITATION (POPS) ARE AROUND 30-40% FOR THE CWA.  
 
ENSEMBLES ARE IN DISAGREEMENT ON WHEN THE AFOREMENTIONED TROUGH  
EJECTS EASTWARD AND TAKES US OUT OF THE PERSISTENT SOUTHWEST FLOW,  
BUT IT WILL LIKELY MOVE ON AFTER FRIDAY. A SLIGHT WARMING TREND  
BEGINS FRIDAY WITH HIGH TEMPERATURES FORECAST IN THE 70S FOR FRIDAY  
AND 80S FOR SUNDAY. CHANCES FOR SHOWERS AND THUNDERSTORMS REMAIN FOR  
FRIDAY THROUGH SATURDAY WITH POPS AROUND 20-30% FOR THE EASTERN CWA  
AS SEVERAL SHORTWAVES PASS THROUGH THE AREA.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z MONDAY/  
 
ISSUED AT 1108 AM MDT SUN MAY 17 2026  
 
FOR KGLD & KMCK... CONDITIONS ARE FORECAST TO BE VFR BY 20-21Z  
AS CEILINGS CONTINUE TO LIFT. WINDS SHOULD REMAIN FROM THE NORTH  
AROUND 10-20 KTS THROUGH MUCH OF THE PERIOD, THERE COULD BE A  
FEW GUSTS NEARING 30 KTS. THE MAIN CONCERN IS FOR STORMS TO  
DEVELOP WEST OF THE TERMINALS IN EASTERN COLORADO AND MOVE OVER  
THE TERMINALS AROUND 00-04Z. LIKELY, THE STORMS WILL GO  
NORTHWEST OF THE TERMINALS. THAT BEING SAID, BE ADVISED THAT THE  
STORMS COULD PRODUCE WIND GUSTS AROUND 50-60 KTS AND LARGE HAIL  
UP TO 3 INCHES. OTHERWISE, THE OTHER CONDITION OF CONCERN IS  
THAT CEILINGS SHOULD LOWER AGAIN BELOW 1500FT AS THE NIGHT GOES  
PAST 06Z. BOTH TERMINALS DO HAVE A CHANCE FOR CEILINGS AROUND  
500FT, ESPECIALLY AT KGLD.  
 
 
   
GLD WATCHES/WARNINGS/ADVISORIES  
 
KS...NONE.  
CO...FREEZE WATCH FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING  
FOR COZ090>092.  
NE...NONE.  
 
 
 
 
 
SHORT TERM...KAK  
LONG TERM...RHOADES  
AVIATION...KAK  
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