914  
FNUS73 KARX 122128  
FWSARX  
 
SPOT FORECAST FOR SE MATHER WILDFIRE...JUNEAU COUNTY EMA  
NATIONAL WEATHER SERVICE LA CROSSE WI  
428 PM CDT MON MAY 12 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1700 CDT ON MAY 12.  
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  
 
WINDS REMAIN FROM THE SOUTH TO SOUTHEAST THIS AFTERNOON AT 5 TO  
10 MPH--GUSTING OCCASIONALLY TO 15 MPH, BECOMING LIGHT TONIGHT AND  
BACKING MORE TO THE EAST TO SOUTHEAST. RH VALUES OVERNIGHT  
RECOVER TO AROUND 70 PERCENT BY SUNRISE. NO WETTING RAIN IS  
FORECAST FOR TONIGHT INTO TOMORROW MORNING, WITH THE RISK FOR  
SHOWERS AND STORMS INCREASING FOR TUESDAY AFTERNOON.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
TEMPERATURE.........85 AT FORECAST START...MAX 85.  
RH..................22 PERCENT.  
WIND (20 FT)........WINDS SOUTH AT 8 MPH.  
MIXING HEIGHT.......6100 FT AGL THIS AFTERNOON.  
TRANSPORT WINDS.....SOUTH AROUND 15 MPH.  
SMOKE DISPERSAL.....EXCELLENT /79200 KNOT-FT/ AT FORECAST START.  
MAX...EXCELLENT /79200 KNOT-FT/.  
 
TIME (CDT) 5PM  
SKY (%).........6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0  
CHC OF THDR (%).0  
TEMP............85  
RH..............22  
20 FT WIND DIR..S  
20 FT WIND SPD..8  
20 FT WIND GUST.14  
MIX HGT (KFT)...6.1  
TRANSP WIND DIR.S  
TRANSP WIND SPD.15  
SDSPL KT-FT/100079  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CWR.................0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
TEMPERATURE.........MIN 54.  
RH..................MAX 72 PERCENT.  
WIND (20 FT)........SOUTH WINDS AROUND 7 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......5200 FT AGL DECREASING TO 400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 9 TO 14 MPH.  
SMOKE DISPERSAL.....EXCELLENT (62100 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (3200 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........10 14 21 9 14 24  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0  
TEMP............83 79 68 63 60 56  
RH..............24 29 42 52 62 72  
20 FT WIND......S 7 SE 3 SE 3 SE 2 SE 2 SE 2  
20 FT WIND GUST.14 11 11 11 9 8  
MIX HGT (FT)....5200 700 400 400 400 400  
TRANSPORT WIND..S 14 SE 9 SE 12 SE 10 SE 10 SE 9  
SDSPL KT-FT/100062 6 5 4 4 3  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS EARLY IN THE AFTERNOON. CHANCE OF  
THUNDERSTORMS LATE IN THE AFTERNOON.  
CWR.................10 PERCENT INCREASING TO 50 PERCENT IN THE  
AFTERNOON.  
CHANCE OF THUNDER...26 PERCENT.  
TEMPERATURE.........MAX 78.  
RH..................MIN 50 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH LATE  
IN THE MORNING. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......2000 FT AGL INCREASING TO 4200 FT AGL LATE IN  
THE MORNING.  
TRANSPORT WINDS.....SOUTHEAST 7 TO 13 MPH.  
SMOKE DISPERSAL.....POOR (2600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (41700 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........30 47 59 60 60 55  
WEATHER COV..... CHANCE CHANCE  
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR  
TSTM COV........ CHANCE  
CWR.............0 0 10 10 30 50  
CHC OF THDR (%).0 0 0 0 10 30  
TEMP............55 60 70 75 76 76  
RH..............74 69 57 52 52 52  
20 FT WIND......E 2 SE 3 SE 4 SE 5 SE 6 SE 6  
20 FT WIND GUST.7 8 11 14 14 14  
MIX HGT (FT)....400 800 2000 4000 3700 2900  
TRANSPORT WIND..SE 8 SE 8 SE 8 SE 12 SE 12 SE 13  
SDSPL KT-FT/10003 6 14 40 37 32  
 
 
FORECASTER...KS  
REQUESTED BY...JEREMY BONIKOWSKE  
TYPE OF REQUEST...WILDFIRE  
.TAG 2513818.0/ARX  
.DELDT 05/12/25  
.FORMATTERVERSION 2.0.0  
.EMAIL JBONIKOWSKE@JUNEAUCOUNTYWI.GOV  
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