944  
FNUS73 KARX 090935  
FWSARX  
 
SPOT FORECAST FOR MCCOY RX 3...USFS  
NATIONAL WEATHER SERVICE LA CROSSE WI  
435 AM CDT THU APR 9 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON APRIL 09.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE AT (608) 784-8292 IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
DRY CONDITIONS WILL PREVAIL THROUGH MUCH OF THE DAY WITH HIGH  
TEMPERATURES REACHING THE MID 50S. THE MINIMUM RH IS EXPECTED TO  
FALL TO AROUND 35 PERCENT WITH MIXING HEIGHTS OF 3-4KFT, ALTHOUGH  
MAY FALL TOWARDS 30 PERCENT GIVEN THE SOUTHERN ASPECT. WINDS WILL  
BE FROM THE NORTHWEST THROUGHOUT THE DAY AROUND 10 MPH OR LESS,  
BUT A FEW STRONGER BREEZES UPWARDS OF 15 MPH ARE POSSIBLE THROUGH  
THE MORNING HOURS. ANOTHER ROUND OF RAIN MOVES INTO THE REGION  
AFTER 7PM CDT (30-50%) BRINGING A FEW HUNDRETHS UP TO A TENTH OF  
AN INCH OF RAIN.  
   
TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (70-80 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
TEMPERATURE.........35 AT IGNITION...MAX 56.  
RH..................78 PERCENT AT IGNITION...MIN 36 PERCENT.  
WIND (20 FT)........WINDS WEST AT 5 MPH AT IGNITION...OTHERWISE  
WEST WINDS 5 TO 8 MPH BECOMING LIGHT.  
MIXING HEIGHT.......800 FT AGL AT IGNITION...OTHERWISE 2600 FT AGL  
INCREASING TO 4100 FT AGL IN THE LATE MORNING  
AND AFTERNOON.  
TRANSPORT WINDS.....WEST 15 TO 18 MPH.  
SMOKE DISPERSAL.....POOR /11600 KNOT-FT/ AT IGNITION. MAX...GOOD  
/58400 KNOT-FT/.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........2 5 7 11 13 21 23 18 30 49 54 73  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............35 33 35 37 41 44 47 48 53 54 54 55  
RH..............78 78 74 70 59 54 49 47 39 38 37 36  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..5 5 5 6 7 8 8 7 7 6 5 4  
20 FT WIND GUST.14 14 14 15 16 16 15 15 14 14 12 12  
MIX HGT (KFT)...0.8 0.9 2.0 2.6 3.0 3.4 3.5 3.8 3.8 3.9 4.1 3.9  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.15 15 18 18 18 18 18 17 15 15 15 15  
SDSPL KT-FT/100012 13 33 43 51 55 58 58 51 52 54 52  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT) THEN BECOMING  
PARTLY CLOUDY (40-50 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS EARLY IN THE EVENING. CHANCE OF  
RAIN SHOWERS EARLY IN THE EVENING, THEN SLIGHT  
CHANCE OF RAIN SHOWERS OVERNIGHT.  
CWR.................10 PERCENT INCREASING TO 40 PERCENT IN THE  
EVENING AND OVERNIGHT, THEN DECREASING TO 10  
PERCENT OVERNIGHT.  
CHANCE OF THUNDER...0 PERCENT.  
TEMPERATURE.........MIN 32.  
RH..................MAX 92 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......1600 FT AGL DECREASING TO 500 FT AGL EARLY IN  
THE EVENING.  
TRANSPORT WINDS.....NORTHWEST 8 TO 13 MPH SHIFTING TO THE NORTH 7  
TO 9 MPH IN THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....GOOD (34400 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (3200 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........78 87 82 83 82 84 77 73 48 46 40 44  
WEATHER COV..... SCH CHC CHC CHC CHC SCH SCH  
WEATHER TYPE.... RW RW RW RW RW RW RW  
TSTM COV........  
CWR.............10 20 30 40 40 40 20 20 10 10 10 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............54 51 49 45 44 42 41 40 39 38 35 35  
RH..............39 45 50 59 66 73 76 81 84 84 92 92  
20 FT WIND DIR..W NW NW N N N N N N N N N  
20 FT WIND SPD..3 2 2 2 1 1 2 2 2 2 2 2  
20 FT WIND GUST.9 8 6 5 5 6 6 6 6 6 7 7  
MIX HGT (KFT)...2.9 1.6 0.7 0.7 0.9 0.9 0.8 0.7 0.6 0.6 0.5 0.5  
TRANSP WIND DIR.W W NW N N N N N N N N N  
TRANSP WIND SPD.13 10 8 8 7 7 8 7 8 8 7 9  
SDSPL KT-FT/100034 14 7 6 6 6 7 5 5 4 4 5  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
TEMPERATURE.........MAX 56.  
RH..................MIN 35 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 6 MPH LATE  
IN THE MORNING, THEN BECOMING LIGHT LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......2100 FT AGL INCREASING TO 5300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 9 TO 13 MPH.  
SMOKE DISPERSAL.....POOR (3300 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (59400 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........33 26 18 18 18 13 9 4 4 3 3 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............34 33 34 38 42 45 49 51 53 54 55 55  
RH..............92 92 91 79 67 58 49 43 39 35 35 35  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..2 2 2 3 4 5 6 6 6 6 5 4  
20 FT WIND GUST.7 8 9 11 12 13 14 14 14 13 12 11  
MIX HGT (KFT)...0.6 0.4 1.2 2.1 2.9 3.5 4.0 4.4 5.0 5.3 5.1 3.7  
TRANSP WIND DIR.N NW NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.10 9 12 13 13 13 13 13 13 13 13 12  
SDSPL KT-FT/10006 3 13 24 33 40 45 49 56 59 57 38  
 

 
FORECASTER...NF  
REQUESTED BY...SAM MATELSKI  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609018.3/ARX  
.DELDT 04/09/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SAM.MATELSKI@USDA.GOV  
 
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