246  
FXUS63 KGID 202341  
AFDGID  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE HASTINGS NE  
641 PM CDT SUN SEP 20 2026  
   
KEY MESSAGES  
 
- SEASONABLY COOL TEMPS (60-70S), LIMITED PRECIP CHANCES  
(MAINLY 10-30%), AND LOTS OF CLOUDS EXPECTED TO START THE WORK  
WEEK.  
 
- INCREASING STORM CHANCES MID-WEEK, WITH UNSETTLED WEATHER  
LIKELY CONTINUING INTO NEXT WEEKEND.  
 
 
   
DISCUSSION  
 
ISSUED AT 130 PM CDT SUN SEP 20 2026  
 
MOSTLY CLOUDY SKIES, A BIT OF DRIZZLE AND COOL TEMPERATURES  
LINGERED ACROSS THE LOCAL AREA TODAY. AN UPPER LEVEL LOW ACROSS  
EASTERN WYOMING ON SATELLITE IS HELPING TO TRIGGER A FEW  
THUNDERSTORMS ACROSS THE HIGH PLAINS - WHICH IF MODEL DATA IS  
CORRECT, SHOULD MOSTLY DISSIPATE AT THEY APPROACH THE AREA LATE  
THIS EVENING AS THEY MOVE INTO A MORE STABLE ENVIRONMENT.  
 
OVERNIGHT, A FEW STORMS COULD CROSS AREAS MAINLY NORTH OF I-80,  
CLOSER TO THE CENTER OF THE LOW, AS IT TRACKS EAST ACROSS THE  
CENTRAL PLAINS. IF REALIZED, THE ENVIRONMENT REMAINS  
UNFAVORABLE FOR STRONG OR SEVERE STORMS DUE TO A LACK OF  
INSTABILITY, AND ANY STORMS SHOULD REMAIN ISOLATED AND ON THE  
WEAKER SIDE. OF SECONDARY CONCERN, THERE ARE SOME HINTS OF FOG  
DEVELOPMENT ACROSS THE AREA TO START THE DAY MONDAY WITH THE  
LATEST HRRR INDICATING SOME WIDELY SCATTERED DENSE FOG. GIVEN  
THE LIGHT NORTHEASTERLY WINDS AND MINIMAL T/TD SPREAD, CANNOT  
RULE OUT AT LEAST SOME PATCHY FOG FORMATION, AND CONSEQUENTLY  
ADDED FOG TO THE FORECAST TO START THE DAY MONDAY.  
 
WHILE SOME SMALL POPS REMAIN IN THE FORECAST FOR MONDAY, MOST OF  
THE LOCAL AREA SHOULD REMAIN DRY BEHIND THE DEPARTING UPPER  
LEVEL LOW, WITH THESE MOSTLY DRY CONDITIONS LIKELY PREVAILING  
THROUGH AT LEAST MIDDAY WEDNESDAY, AS WEAK RIDGING SETS UP  
ACROSS THE LOCAL AREA AHEAD OF THE NEXT MORE NOTABLE  
DISTURBANCE. WHILE SOME SMALL SPLOTCHY POPS REMAIN IN THE  
FORECAST AT TIMES LATE MONDAY THROUGH WEDNESDAY AFTERNOON, MODEL  
SIGNALS FOR PRECIP MID-WEEK WITH THIS NEXT DISTURBANCE HAVE  
REALLY RAMPED UP OVER THE PAST 24 HOURS, WITH MOST OF ENSEMBLE  
MEMBERS INDICATING A POTENTIALLY VERY WET WED/THURSDAY TIME  
PERIOD. WHILE SURFACE TEMPERATURES REMAIN ON THE COOLER SIDE OF  
CLIMO AND INSTABILITY IS ON THE LOWER SIDE, COULD SEE SOME  
EMBEDDED THUNDERSTORMS WEDNESDAY NIGHT THROUGH THURSDAY, WITH  
MORE SHOWERY AND LESS WIDESPREAD PRECIP EXPECTED TO END THE WEEK  
AND CONTINUE INTO NEXT WEEKEND.  
 
OVERALL, A SEASONABLY COOL AND OCCASIONALLY UNSETTLED PERIOD IS  
FORECAST TO CONTINUE ACROSS THE LOCAL AREA FOR MUCH OF THE NEXT  
7-10 DAYS, WITH LOTS OF CLOUD COVER AND THE POTENTIAL FOR SOME  
MORNING FOG AT TIMES.  
 
 
   
AVIATION /00Z TAFS THROUGH 00Z TUESDAY/  
 
ISSUED AT 627 PM CDT SUN SEP 20 2026  
 
FOR KGRI/KEAR AIRPORTS:  
 
THE PRIMARY AVIATION IMPACT TOR KEAR/KGRI OVER THE NEXT 24  
HOURS WILL BE THE POTENTIAL FOR FOG TONIGHT AS WELL AS LOW  
(LIFT) CEILINGS. THE DECK OF LOW-LEVEL STRATUS IS UNLIKELY TO  
LIFT ANY FURTHER TONIGHT WITH BASES MAINTAINING UNDER AT LEAST  
MVFR CLASSIFICATIONS UNTIL MONDAY AFTERNOON (AFTER 18Z, THERE IS  
A 40-60% CHANCE FOR VFR CEILINGS {CLOUD BASES STILL  
3,000-6,000FT} AT KEAR AND 20-30% CHANCE FOR KGRI). THE  
POTENTIAL FOR IFR CEILINGS (80%+ CHANCE) INCREASE FOR KGRI AFTER  
3Z AND AFTER 4Z FOR KEAR. LIFR CLASSIFICATIONS ARE LIKELY  
ACROSS MUCH OF THE 8-15Z PERIOD.  
 
BEYOND THE LOW CLOUD CEILINGS, FOG FORMATION COULD BEGIN  
BETWEEN 7-10Z WITH VISIBILITIES DROPPING AS LOW AS 1/2 TO 2  
MILES BETWEEN 11Z AND 14Z. FOG LINGERING PAST 15Z WILL BE  
UNLIKELY.  
 
THOUGH THERE ARE A MIX OF SCATTERED THUNDERSTORMS AND SHOWERS  
ACROSS WESTERN NEBRASKA THIS EVENING, IT IS UNCERTAIN HOW FAR  
EAST THESE STORMS WILL MAKE IT BEFORE DISSIPATING (NOT A LOT OF  
MODEL CONFIDENCE). AS RESULT, THE MENTION OF A PREVAILING STORM  
OR SHOWER WAS NOT INCLUDED IN THE TAF AT THIS TIME. A FEW BRIEF  
SHOWERS MAY BE POSSIBLE ACROSS THE NIGHT AND THROUGH THE FIRST  
HALF OF THE DAY MONDAY.  
 
WINDS WILL REMAIN MOSTLY LIGHT AND OUT OF A NORTHERLY DIRECTIONS  
TONIGHT. GRADUALLY INCREASING WINDS MONDAY AFTERNOON (UP TO  
10-15KTS) WILL COINCIDE WITH NORTHEAST TURNING WINDS.  
 
 
   
GID WATCHES/WARNINGS/ADVISORIES  
 
NE...NONE.  
KS...NONE.  
 
 
 
 
 
DISCUSSION...ROSSI  
AVIATION...STUMP  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab NE Page
The Nexlab KS Page
Main Text Page