924  
FNUS73 KOAX 181922  
FWSOAX  
 
SPOT FORECAST FOR SITL CLASS TRAINING...RTA  
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE  
122 PM CST TUE NOV 18 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1300 CST ON NOVEMBER 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
CLOUDY CONDITIONS ARE IN PLACE IN SEWARD COUNTY THIS AFTERNOON,  
WITH NORTH-NORTHWESTERLY WINDS OF 10-15 MPH ONGOING. GENERALLY  
POOR MIXING HEIGHTS ARE IN PLACE, WITH THE TOP OF THE MIXING LAYER  
AT THE SERVICE BEING AROUND 2000 FT AGL THAT QUICKLY TANKS  
OVERNIGHT TO AROUND 1200 FT AGL. WINDS OVERNIGHT ARE EXPECTED TO  
STAGNATE, WITH SPEEDS OF LESS THAN 5 MPH FORECAST THAT WILL SLOWLY  
SHIFT FROM NORTHERLY TO EASTERLY, THEN SOUTHERLY BEFORE PICKING  
BACK UP AGAIN LATE TOMORROW MORNING AT 5-10 MPH. AIR DISPERSAL  
WILL IMPROVE AS WELL LATE TOMORROW MORNING, BUT GENERALLY ANY  
MIXING THAT DOES OCCUR WILL ONLY DO SO FROM THE SURFACE TO UP TO  
2200 FT AGL.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT).  
MAX TEMPERATURE.....AROUND 50.  
MIN HUMIDITY........64 PERCENT.  
SURFACE WINDS (MPH).NORTH WINDS 8 TO 11 MPH.  
 
TIME (CST) 1PM 2PM 3PM 4PM 5PM  
SKY (%).........61 65 69 72 75  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............48 49 50 49 47  
RH..............70 68 64 67 68  
SURFACE WND DIR.NW N N N N  
SURFACE WND SPD.8 11 11 9 9  
SURFACE WND GST. 16 14 13 12  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT).  
MIN TEMPERATURE.....AROUND 34.  
MAX HUMIDITY........100 PERCENT.  
SURFACE WINDS (MPH).NORTH WINDS 6 TO 8 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........81 85 87 84 85 88 84 88 87 82 86 76  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............45 41 40 39 38 38 38 37 37 35 35 35  
RH..............74 85 88 91 94 94 98 97 97 100 98 100  
SURFACE WND DIR.N N N NE NE NE NE NE E SE SE SE  
SURFACE WND SPD.8 6 6 5 4 4 3 3 3 3 3 3  
SURFACE WND GST.9 9 8 8 7 5 5 5  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........58 PERCENT.  
SURFACE WINDS (MPH).LIGHT WINDS BECOMING SOUTH 6 TO 10 MPH IN THE  
LATE MORNING AND AFTERNOON.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........70 68 57 49 60 62 72 68 72 67 59 54  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............34 35 36 40 45 48 51 55 55 56 57 54  
RH..............100 100 100 96 82 77 68 60 58 59 58 61  
SURFACE WND DIR.S S S S S S S S S S S S  
SURFACE WND SPD.3 4 4 5 6 8 9 9 10 10 10 8  
SURFACE WND GST.5 5 6 7 8 10 12 13 14 14 13 12  
 

 
FORECASTER...PETERSEN  
REQUESTED BY...MEGAN ECKLES  
TYPE OF REQUEST...OTHER  
.TAG 2526308.0/OAX  
.DELDT 11/18/25  
.FORMATTERVERSION 2.0.0  
.EMAIL MEGAN.ECKLES@NEBRASKA.GOV  
 
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