491  
FNUS73 KGID 181003  
FWSGID  
 
SPOT FORECAST FOR NEBRASKA FIRE SCHOOL 2025...NEMA  
NATIONAL WEATHER SERVICE HASTINGS NE  
503 AM CDT SUN MAY 18 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON MAY 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
SOUTHEAST WINDS INCREASE TODAY. GUSTS OVER 35 MPH ARE EXPECTED IN  
THE AFTERNOON. SCATTERED SHOWERS/THUNDERSTORMS MOVE INTO THE  
GRAND ISLAND AREA IN THE 7PM TO MIDNIGHT TIMEFRAME.  
 
SPOTTY THUNDERSTORMS ARE POSSIBLE AGAIN ON MONDAY AFTERNOON.  
SOUTHEAST WINDS SHIFT FROM THE SOUTHEAST TO NORTHWEST AS A COLD  
FRONT MOVES THROUGH THE AREA.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 77.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........EAST WINDS 9 TO 18 MPH WITH GUSTS TO AROUND 32  
MPH SHIFTING TO THE SOUTHEAST 20 TO 23 MPH WITH  
GUSTS TO AROUND 39 MPH IN THE AFTERNOON. GUSTY  
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5200 FT AGL.  
TRANSPORT WINDS.....EAST 15 TO 24 MPH INCREASING TO SOUTHEAST 35 TO  
36 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........28 39 24 27 40 58 63 54 65 74 81 79  
WEATHER COV..... SCH  
WEATHER TYPE.... RW  
TSTM COV........ SCH  
TEMP............47 47 50 56 59 64 68 71 75 77 77 76  
RH..............68 68 63 51 47 41 39 36 34 35 36 40  
20 FT WIND DIR..E E E E E E E E SE SE SE SE  
20 FT WIND SPD..9 9 10 14 16 17 18 20 21 22 23 23  
20 FT WIND GUST.17 17 20 24 28 30 32 33 35 36 38 39  
MIX HGT (KFT)...0.5 0.9 1.3 1.6 2.2 2.6 3.3 4.1 4.5 4.9 5.2 5.2  
TRANSP WIND DIR.E E E E E SE SE SE SE SE SE SE  
TRANSP WIND SPD.15 17 22 23 24 25 28 30 31 33 35 36  
   
TONIGHT
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS WITH  
THUNDERSTORMS LIKELY.  
MIN TEMPERATURE.....AROUND 57.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS 15 TO 22 MPH. GUSTS UP TO 38  
MPH IN THE EVENING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 26 TO 35 MPH DECREASING TO 20 TO 25  
MPH OVERNIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........82 95 97 98 96 95 95 95 95 93 92 90  
WEATHER COV.....CHC DEF DEF DEF DEF DEF DEF LKY LKY LKY CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........CHC LKY LKY LKY LKY LKY LKY CHC CHC CHC SCH SCH  
TEMP............74 69 66 61 60 58 58 58 58 57 57 57  
RH..............44 59 70 87 90 96 100 100 100 100 100 100  
20 FT WIND DIR..SE SE SE E E E E SE SE SE SE SE  
20 FT WIND SPD..22 21 21 20 20 20 17 17 17 17 16 15  
20 FT WIND GUST.38 36 35 33 32 32 30 28 28 26 25 24  
MIX HGT (KFT)...4.2 2.8 1.2 0.6 0.9 1.2 1.1 1.0 1.0 0.8 0.8 0.9  
TRANSP WIND DIR.SE SE SE E E E SE SE SE SE SE SE  
TRANSP WIND SPD.35 31 31 26 28 28 26 25 22 23 20 20  
   
MONDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
MOSTLY SUNNY (45-55 PERCENT). SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING. CHANCE OF RAIN  
SHOWERS THROUGH THE DAY. CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........42 PERCENT.  
WIND (20 FT)........SOUTH WINDS 14 TO 15 MPH SHIFTING TO THE  
SOUTHWEST LATE IN THE AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY  
IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5400 FT AGL.  
TRANSPORT WINDS.....SOUTH 14 TO 20 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........89 88 80 76 71 62 51 44 44 48 52 48  
WEATHER COV.....CHC CHC CHC CHC SCH SCH SCH CHC CHC CHC CHC CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH SCH SCH SCH CHC CHC  
TEMP............57 57 58 62 66 68 71 74 77 78 79 78  
RH..............100 100 100 93 81 76 68 57 50 47 42 43  
20 FT WIND DIR..SE SE SE SE SE S S S S S S SW  
20 FT WIND SPD..15 14 14 14 14 14 14 14 14 15 14 10  
20 FT WIND GUST.24 23 23 23 23 23 23 23 23 23 23 22  
MIX HGT (KFT)...0.8 0.8 1.2 1.6 1.8 2.5 3.3 4.0 4.7 5.3 5.4 4.9  
TRANSP WIND DIR.SE SE SE S S S S S S S S SW  
TRANSP WIND SPD.20 20 16 17 16 15 15 15 15 16 15 14  
 

 
FORECASTER...MANGELS  
REQUESTED BY...DAVE REISEN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2514173.1/GID  
.DELDT 05/18/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DAVE.REISEN@NEBRASKA.GOV  
 
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