718
FNUS73 KARX 301622
FWSARX
SPOT FORECAST FOR WINTER SPORTS RX...US FOREST SERVCE
NATIONAL WEATHER SERVICE LA CROSSE WI
1122 AM CDT THU APR 30 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON MAY 01.
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
MOSTLY DRY CONDITIONS FOR IGNITION TIME THEN SCATTERED RAIN
SHOWERS DURING THE AFTERNOON. RAIN SHOWER CHANCES DIMINISH BY THE
EARLY EVENING. WITH DRY AIR PRESENT IN THE SUB CLOUD LAYER, THIS
PRECIPITATION MAY HAVE A HARD TIME REACHING THE SURFACE. IF THE
RAIN CAN REACH THE SURFACE, A FEW HUNDREDTHS WILL BE POSSIBLE. AT
IGNITION TIME, WINDS WILL BE LIGHT AND MOSTLY OUT OF THE NORTHWEST
RESULTING IN POOR SMOKE DISPERSAL CONDITIONS. NORTHWEST WINDS
INCREASE TO 5 TO 10 MPH DURING THE LATE MORNING AND CONTINUING
THROUGH THE AFTERNOON, THEN BECOMING LIGHT AND VARIABLE FOR THE
OVERNIGHT. MINIMUM RELATIVE HUMIDITY VALUES RANGE FROM 35 TO 40%.
SATURDAY WILL BE DRIER WITH WINDS OUT OF WEST-NORTHWEST AT 5 TO 10
MPH. RELATIVE HUMIDITY VALUES WILL RANGE FROM 30 TO 35%.
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). WIDESPREAD FROST
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN
SHOWERS EARLY IN THE AFTERNOON. CHANCE OF
SPRINKLES EARLY IN THE AFTERNOON, THEN SLIGHT
CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT EARLY IN
THE AFTERNOON, THEN DECREASING TO 10 PERCENT
EARLY IN THE AFTERNOON INCREASING TO 20 PERCENT
LATE IN THE AFTERNOON.
CHANCE OF THUNDER...1 PERCENT.
TEMPERATURE.........33 AT IGNITION...MAX 48.
RH..................73 PERCENT AT IGNITION...MIN 39 PERCENT.
WIND (20 FT)........WINDS NORTH AT 3 MPH AT IGNITION...OTHERWISE
LIGHT WINDS BECOMING NORTH 5 TO 6 MPH LATE IN
THE MORNING.
MIXING HEIGHT.......1700 FT AGL AT IGNITION...OTHERWISE 1700 FT AGL
INCREASING TO 6600 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 13 MPH.
SMOKE DISPERSAL.....POOR /8400 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /73000 KNOT-FT/.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........63 58 67 65 68 65 62 58 56 54
WEATHER COV.....WID SCH CHC SCH SCH SCH
WEATHER TYPE....FST RW RW RW RW RW
TSTM COV........
CWR.............10 10 10 10 10 20 10 20 20 20
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0
TEMP............33 35 40 41 43 46 46 46 48 47
RH..............73 65 57 55 51 44 43 43 39 41
20 FT WIND DIR..N N N N N NW N N N N
20 FT WIND SPD..3 3 4 5 6 6 6 6 6 6
20 FT WIND GUST.6 8 11 12 13 13 13 13 13 14
MIX HGT (KFT)...1.7 4.1 5.4 5.6 5.9 6.5 6.5 6.6 6.6 5.8
TRANSP WIND DIR.N N N N N N N N N N
TRANSP WIND SPD.6 10 13 13 12 13 13 13 13 12
SDSPL KT-FT/10008 37 59 62 59 71 72 73 73 58
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE EVENING. WIDESPREAD
FROST AFTER 3 AM.
CWR.................20 PERCENT DECREASING TO 0 PERCENT.
CHANCE OF THUNDER...1 PERCENT.
TEMPERATURE.........MIN 28.
RH..................MAX 72 PERCENT.
WIND (20 FT)........NORTH WINDS AROUND 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......5100 FT AGL DECREASING TO 100 FT AGL.
TRANSPORT WINDS.....NORTH 6 TO 14 MPH SHIFTING TO THE EAST 3 TO 6
MPH AFTER 3 AM.
SMOKE DISPERSAL.....GOOD (56600 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (400 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........45 27 17 17 16 17 18 19 18 17 16 16
WEATHER COV.....SCH WID WID WID
WEATHER TYPE....RW FST FST FST
TSTM COV........
CWR.............20 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............47 46 41 39 36 34 32 30 29 29 28 28
RH..............41 38 46 49 54 59 62 65 67 69 70 72
20 FT WIND DIR..N N N N N N NE NE E E E SE
20 FT WIND SPD..6 4 3 2 2 2 1 1 1 1 1 1
20 FT WIND GUST.13 12 11 9 8 7 6 5 5 5 5 5
MIX HGT (KFT)...5.1 2.9 1.2 0.5 0.3 0.2 0.3 0.3 0.3 0.4 0.4 0.1
TRANSP WIND DIR.N N N N N N NE NE NE NE NE E
TRANSP WIND SPD.13 14 12 9 8 7 7 7 6 6 5 3
SDSPL KT-FT/100057 35 12 4 2 1 2 2 2 2 2 0
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). WIDESPREAD FROST
EARLY IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........MAX 56.
RH..................MIN 35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
THE AFTERNOON, THEN BECOMING LIGHT LATE IN THE
AFTERNOON.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 4800 FT AGL LATE IN
THE MORNING, THEN INCREASING TO 7500 FT AGL
LATE IN THE MORNING DECREASING TO 5100 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 3 MPH SHIFTING TO THE WEST 6
TO 14 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....POOR (0 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (90500 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........15 15 15 14 14 19 24 29 35 42 48 43
WEATHER COV.....WID
WEATHER TYPE....FST
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............29 30 34 39 44 47 50 52 54 55 56 56
RH..............71 67 60 51 45 41 39 38 36 35 36 37
20 FT WIND DIR..S S S SW W W W W W W W W
20 FT WIND SPD..1 1 1 1 2 3 4 5 5 5 5 4
20 FT WIND GUST.5 5 5 7 9 11 12 13 13 13 13 12
MIX HGT (KFT)...0.1 0.4 1.6 3.3 4.8 5.9 6.6 7.1 7.5 7.5 6.9 5.1
TRANSP WIND DIR.S SW W W NW NW W W W W W W
TRANSP WIND SPD.3 3 6 8 10 12 13 13 14 14 14 13
SDSPL KT-FT/10000 1 8 23 44 59 73 78 90 91 83 56
FORECASTER...JRC
REQUESTED BY...MIKE SOLARZ
TYPE OF REQUEST...PRESCRIBED
.TAG 2612237.0/ARX
.DELDT 04/30/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.SOLARZ@USDA.GOV
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