343  
FXUS63 KOAX 082344  
AFDOAX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE  
644 PM CDT MON JUN 8 2026  
   
KEY MESSAGES
 
 
- THERE IS A 30-60% CHANCE OF SHOWERS AND THUNDERSTORMS FOR  
PORTIONS OF SOUTHEAST NEBRASKA AND SOUTHWEST IOWA. SEVERE  
WEATHER IS POSSIBLE WITH DAMAGING WINDS THE MAIN THREAT.  
 
- HEAT INDICES INCREASE INTO THE LOW TO MID 100S TUESDAY  
AFTERNOON. A HEAT ADVISORY IS IN EFFECT FOR MUCH OF THE AREA.  
 
- SHOWERS AND THUNDERSTORMS CONTINUE THROUGHOUT MUCH OF THE WEEK  
INTO THE WEEKEND. SEVERE WEATHER WILL BE POSSIBLE AT TIMES,  
INCLUDING ON TUESDAY AND WEDNESDAY.  
 

 
   
DISCUSSION
 
 
ISSUED AT 127 PM CDT MON JUN 8 2026  
 
A WEAK FRONT HAS SETTLED INTO NORTHEAST NEBRASKA EARLY THIS  
AFTERNOON. THIS FRONT WILL GRADUALLY WEAKEN WITH TIME.  
TEMPERATURES WARM INTO THE 80S THIS AFTERNOON WITH PARTLY CLOUDY  
SKIES FOR MOST. BACK TO THE WEST, A COMPLEX OF THUNDERSTORMS IS  
BEGINNING TO DEVELOP ACROSS CENTRAL NEBRASKA. THIS COMPLEX IS  
FORECAST TO GRADUALLY TURN INTO A MATURE BOWING MCS WITH TIME.  
THIS ACTIVITY TRACKS SOUTHEAST, MAINLY INTO KANSAS, BUT THE  
NORTHERN PORTION MAY CLIP AREAS NEAR THE KANSAS BORDER.  
DAMAGING WINDS WOULD BE THE MAIN THREAT WITH THIS MCS.  
ELSEWHERE, A FEW ISOLATED THUNDERSTORMS ARE POSSIBLE ALONG THE  
RESIDUAL FRONT OR NORTH OF THE COMPLEX. A STRONG TO SEVERE  
THUNDERSTORM REMAINS POSSIBLE WITH DAMAGING WINDS AND LARGE HAIL  
THE MAIN CONCERNS. IT REMAINS MUGGY TONIGHT WITH TEMPERATURES  
IN THE 70S.  
 
THE SYSTEM THAT SPAWNED THE COMPLEX OF THUNDERSTORMS TODAY WILL  
LEAVE SUBSIDENCE IN ITS WAKE. THIS IS ANTICIPATED TO KEEP THE  
AREA DRY AND MOSTLY SUNNY THROUGHOUT THE AFTERNOON ON TUESDAY.  
AT THE SAME TIME, MID-LEVEL RIDGING BUILDS ACROSS MUCH OF THE  
PLAINS. TEMPERATURES INCREASE WELL INTO THE 90S TO NEAR 100 WITH  
MUGGY DEWPOINTS INTO THE 70S. AS A RESULT, MOST THE AREA SEES  
HEAT INDICES IN THE LOW TO MID 100S PROMPTING A HEAT ADVISORY.  
SHOWERS AND THUNDERSTORMS REMAIN IN THE FORECAST, BUT CONFIDENCE  
IN MUCH OF THIS REACHING THE AREA REMAINS UNCERTAIN. WHILE A  
HEALTHY AMOUNT OF INSTABILITY WILL BE IN PLACE, SUBTLE HEIGHT  
RISES AND BETTER FORCING REMAINS TO THE WEST. THE LATEST  
FORECAST GUIDANCE DISSIPATES MOST THUNDERSTORMS AS THEY REACH  
OUR FORECAST AREA. THAT SAID, IF THUNDERSTORMS DO REACH THE  
AREA, SEVERE WEATHER WILL BE A CONCERN. DAMAGING WINDS AND LARGE  
HAIL WOULD BE THE MAIN THREATS.  
 
AS A TROUGH APPROACHES THE REGION ON WEDNESDAY, A COLD FRONT  
WILL SINK INTO THE REGION. TEMPERATURES REMAIN HOT, BUT DO  
DECREASE COMPARED TO TUESDAY. UNLIKE TUESDAY, MORE FORCING WILL  
BE IN PLACE AND STRONG TO SEVERE THUNDERSTORMS ARE ANTICIPATED  
BY AFTERNOON ACROSS THE AREA. THIS MAY END UP BEING THE DAY WITH  
THE GREATEST THREAT FOR SEVERE WEATHER THIS WEEK. CONTINUE TO  
MONITOR THE FORECAST FOR THE LATEST DETAILS.  
 
TEMPERATURES COOL BACK INTO THE 80S TO CLOSE OUT THE WEEK AND  
BEGIN THE WEEKEND. INITIALLY, WE WILL HAVE A LOWER CHANCE OF  
SHOWERS AND THUNDERSTORMS BEHIND WEDNESDAY'S SYSTEM, BUT ANOTHER  
TROUGH LOOKS TO TAKE SHAPE BY THE WEEKEND. INCREASING  
THUNDERSTORM CHANCES AND SOME SEVERE WEATHER POTENTIAL MAY  
MATERIALIZE. KEEP TABS ON THE FORECAST FOR YOUR WEEKEND PLANS.  
 

 
   
AVIATION /00Z TAFS THROUGH 00Z WEDNESDAY/
 
 
ISSUED AT 644 PM CDT MON JUN 8 2026  
 
VFR CONDITIONS FAVORED THROUGH THE PERIOD, THOUGH LOW-  
PROBABILITY THUNDERSTORMS (20-30%) COULD LEAD TO SOME BRIEF  
PERIODS OF MVFR TO IFR, MOST LIKELY AT LNK, BUT POSSIBLY OMA.  
MOST GUIDANCE SUGGESTS STORMS THIS EVENING WILL REMAIN TO THE  
SOUTH OF THE TAF SITES. HOWEVER, A FEW PIECES OF GUIDANCE HINT  
AT A SECOND LINE OF STORMS PUSHING EAST TOWARD LNK AROUND 09Z  
AND MAYBE OMA BY 11Z, THOUGH MOST GUIDANCE SUGGESTS THE LINE  
WILL DIE PRIOR TO ARRIVING. IF IT HAPPENS TO HOLD TOGETHER,  
COULD SEE SOME SMALL HAIL AND WINDS GUSTING 30-50 KTS.  
OTHERWISE, LINGERING 4000-5000 FT CLOUDS THIS EVENING SHOULD  
DISSIPATE OVERNIGHT WITH FEW TO SCT CLOUDS AT 2500 FT DEVELOPING  
BY LATE MORNING. WINDS WILL MOSTLY BE SOUTHEASTERLY TO  
SOUTHERLY, WITH GUSTS OF 20-30 KTS EXPECTED BY MID-DAY TUESDAY.  
 

 
   
OAX WATCHES/WARNINGS/ADVISORIES
 
 
NE...HEAT ADVISORY FROM 1 PM TO 9 PM CDT TUESDAY FOR NEZ011-012-015-  
017-018-031>034-042>045-050>053-065>068-078-088>093.  
IA...HEAT ADVISORY FROM 1 PM TO 9 PM CDT TUESDAY FOR IAZ043-055-056-  
069-079-080-090-091.  
 

 
 

 
 
DISCUSSION...CHEHAK  
AVIATION...CA  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab NE Page
The Nexlab IA Page Main Text Page