912  
FXUS63 KOAX 261647  
AFDOAX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE  
1147 AM CDT FRI JUN 26 2026  
   
KEY MESSAGES  
 
- MILD AND MOSTLY QUIET WEATHER CONTINUES THROUGH SATURDAY, WITH  
ONLY A FEW SHOWERS OR THUNDERSTORMS POSSIBLE.  
 
- HEAT BUILDS THIS WEEKEND, WITH THE HOTTEST CONDITIONS EXPECTED  
SUNDAY AND MONDAY. HEAT INDEX VALUES MAY REACH 105 TO 110  
DEGREES.  
 
- HOT AND HUMID CONDITIONS ARE EXPECTED TO PERSIST INTO NEXT  
WEEK, WITH PERIODIC EVENING AND OVERNIGHT THUNDERSTORM  
CHANCES.  
 
 
   
DISCUSSION  
 
ISSUED AT 1121 PM CDT THU JUN 25 2026  
 
LINGERING SHOWERS SHOULD GRADUALLY DISSIPATE TONIGHT AS A  
SHORTWAVE TROUGH MOVES EAST AND OUT OF THE PLAINS. SURFACE HIGH  
PRESSURE IS SITUATED OVER THE NORTHERN PLAINS AND THIS LEADS TO  
A QUIET START TO FRIDAY WITH GRADUALLY CLEARING SKIES AND  
TEMPERATURES IN THE UPPER 50S AND LOW 60S. THE AFOREMENTIONED  
SURFACE HIGH PRESSURE BEGINS TO MOVE OFF TO OUR EAST FRIDAY  
AFTERNOON. PARTLY CLOUDY SKIES AND THE RETURN OF SOUTHEAST WINDS  
PUSH TEMPERATURES BACK INTO THE UPPER 70S TO LOW 80S DURING THE  
AFTERNOON. ANOTHER SHORTWAVE TROUGH SWINGS ACROSS THE NORTHERN  
ROCKIES HEADING INTO SATURDAY. THIS STRENGTHENS LEE TROUGHING,  
RESULTING IN GUSTY SOUTHEAST WINDS. THIS KEEPS TEMPERATURES A  
BIT WARMER SATURDAY MORNING WITH 60S TO START THE WEEKEND. BY  
AFTERNOON, A WEAK DISTURBANCE MOVES OUT OF THE CENTRAL ROCKIES.  
THIS MAY PRODUCE A FEW THUNDERSTORM OVER OUR AREA, BUT CHANCES  
ARE LOW AND MOST OF THE DAY REMAINS QUIET. TEMPERATURES CONTINUE  
TO BE MILD FOR ONE MORE DAY WITH LOW 80S ACROSS THE AREA.  
 
THE FIRST HEAT WAVE OF SUMMER BUILDS ACROSS MUCH OF THE CENTRAL  
AND EASTERN US BEGINNING THIS WEEKEND. THE WORST OF THIS HEAT  
ARRIVES SUNDAY INTO MONDAY. STRONG SOUTH WINDS UNDER THE RIDGE  
WILL HELP TO PUSH WARMER TEMPERATURES AND HIGHER DEWPOINTS  
NORTH. THE STRONG WINDS ARE DRIVEN BY PERSISTENT LEE TROUGHING  
WITH A LARGE TROUGH PERSISTING OVER THE NORTHERN ROCKIES. EACH  
DAY TEMPERATURES PUSH WELL INTO THE 90S TO NEAR 100 WITH  
DEWPOINTS IN THE UPPER 60S TO LOW 70S. PEAK HEAT INDICES IN THE  
100S ARE LIKELY FOR MANY. THE HIGHEST HEAT INDICES MAY BE AS  
HIGH AS 105 TO 110 DEGREES. THIS LEVEL OF HEAT MAY REQUIRE HEAT  
ADVISORIES IN LATER FORECASTS.  
 
THE PATTERN ONLY CHANGES SLIGHTLY HEADING INTO NEXT WEEK. HOT  
AND HUMID CONDITIONS ARE FORECAST TO CONTINUE, THOUGH  
TEMPERATURES WILL BE A TOUCH COOLER. WITH CHANGES TO THE  
STRENGTH AND POSITION OF THE RIDGE ANTICIPATED, THIS MAY ALLOW  
FOR THE RETURN OF PERIODIC RAIN CHANCES. THE EXACT DETAILS  
REMAIN A BIT UNCERTAIN BETWEEN ENSEMBLE MEMBERS, BUT AT LEAST  
SOME THREAT OF EVENING OR OVERNIGHT THUNDERSTORMS AS  
DISTURBANCES ROUND THE RIDGE APPEARS POSSIBLE. AS CONFIDENCE IN THE  
FORECAST EVOLUTION OF THE RIDGE IMPROVES THIS WEEKEND, EXPECT  
MORE DETAILS ON THE BEST CHANCE FOR THUNDERSTORMS. GIVEN THE  
HOT AND HUMID CONDITIONS, ANY THUNDERSTORMS WILL HAVE PLENTY OF  
INSTABILITY TO WORK WITH, THOUGH WIND SHEAR IS MORE MARGINAL.  
SEVERE WEATHER REMAINS A POSSIBILITY WITH THIS ENVIRONMENT.  
 
 
   
AVIATION /18Z TAFS THROUGH 18Z SATURDAY/  
 
ISSUED AT 1143 AM CDT FRI JUN 26 2026  
 
A DECK OF MVFR CEILINGS REMAIN IN PLACE ACROSS SOUTHEAST  
NEBRASKA THIS AFTERNOON. WHILE VFR CONDITIONS ARE FAVORITE THIS  
AFTERNOON, BRIEF PERIODS OF MVFR CONDITIONS MAY WORK INTO KLNK.  
A BROKEN TO OVERCAST CLOUD DECK AT FL050-080 WILL REMAIN IN  
PLACE THROUGH THE DAY. OTHERWISE, WIDESPREAD IFR CEILINGS ARE  
EXPECTED TO OVERSPREAD ALL THE TERMINALS LATER THIS EVENING INTO  
THE OVERNIGHT PERIOD. PATCHY LIFR CONDITIONS WILL BE POSSIBLE  
EARLY SATURDAY MORNING, PRIMARILY AT KLNK. CEILINGS WILL SLOWLY  
BREAK UP AND IMPROVE AFTER 27/14Z. WINDS WILL REMAIN LIGHT AND  
OUT OF THE EAST- SOUTHEAST, INCREASING IN THE FINAL FEW HOURS OF  
THE FORECAST PERIOD.  
 
 
   
OAX WATCHES/WARNINGS/ADVISORIES  
 
NE...NONE.  
IA...NONE.  
 
 
 
 
 
DISCUSSION...CHEHAK  
AVIATION...WOOD  
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