873
FNUS73 KARX 011013
FWSARX
SPOT FORECAST FOR SNOW BOTTOM BIG BEND...WISCONSIN DNR
NATIONAL WEATHER SERVICE LA CROSSE WI
513 AM CDT FRI MAY 1 2026
FORECAST IS BASED ON IGNITION TIME OF 1100 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
CONTINUED DRY CONDITIONS AND, WHEN THE SUN IS SHINING, A VERY
LIGHT BREEZE OUT OF THE NORTH-NORTHWEST WITH GUSTS TO 15 MPH
SHOULD LEAD TO RH VALUES DOWN TO AROUND 30 PERCENT THIS AFTERNOON.
BY IGNITION TIME, THESE WINDS SHOULD BE CONSISTENTLY OUT OF THE
NORTH-NORTHWEST. EXCELLENT SMOKE DISPERSION SHOULD BE PRESENT AT
IGNITION TIME AND CONTINUE THROUGH THE DAY. A BIT OF LIGHT RAIN
AND/OR SPRINKLES MAY (20%) OCCUR THIS AFTERNOON BUT AMOUNTS WILL
BE MINIMAL, IF ANY.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON.
CWR.................10 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
CHANCE OF THUNDER...5 PERCENT.
TEMPERATURE.........48 AT IGNITION...MAX 54.
RH..................40 PERCENT AT IGNITION...MIN 31 PERCENT.
WIND (20 FT)........WINDS NORTH AT 6 MPH AT IGNITION...OTHERWISE
NORTHWEST WINDS 6 TO 8 MPH.
MIXING HEIGHT.......6400 FT AGL AT IGNITION...OTHERWISE 7600 FT
AGL.
TRANSPORT WINDS.....NORTHWEST 14 TO 15 MPH.
SMOKE DISPERSAL.....EXCELLENT /76800 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /98600 KNOT-FT/.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........53 72 81 77 74 74 70
WEATHER COV..... SCH SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........
CWR.............10 10 20 20 20 20 20
CHC OF THDR (%).0 0 10 10 10 0 0
TEMP............48 50 52 52 53 53 53
RH..............40 35 35 35 32 32 31
20 FT WIND DIR..N N NW NW NW NW N
20 FT WIND SPD..6 7 7 8 8 8 8
20 FT WIND GUST.12 13 14 14 15 15 15
MIX HGT (KFT)...6.4 7.1 7.3 7.6 7.0 7.2 6.6
TRANSP WIND DIR.N NW NW NW NW N N
TRANSP WIND SPD.14 14 14 15 14 14 14
SDSPL KT-FT/100077 85 88 99 84 86 80
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLEAR (0-10 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS EARLY IN THE EVENING. AREAS OF
FROST OVERNIGHT. WIDESPREAD FROST AFTER 3 AM.
CWR.................20 PERCENT DECREASING TO 0 PERCENT.
CHANCE OF THUNDER...2 PERCENT.
TEMPERATURE.........MIN 30.
RH..................MAX 74 PERCENT.
WIND (20 FT)........NORTH WINDS 6 TO 8 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......6500 FT AGL DECREASING TO 300 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 14 MPH.
SMOKE DISPERSAL.....EXCELLENT (77800 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1400 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........67 61 56 45 32 26 18 10 5 4 6 9
WEATHER COV.....SCH ARS WID WID WID
WEATHER TYPE....RW FST 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............54 52 49 45 42 40 37 36 35 33 33 32
RH..............30 34 39 47 53 58 63 66 66 71 73 74
20 FT WIND DIR..N N N N N N N N NW NW NW NW
20 FT WIND SPD..8 7 6 4 3 3 2 2 2 2 3 2
20 FT WIND GUST.15 15 14 11 7 8 7 5 7 6 6 6
MIX HGT (KFT)...6.5 3.5 0.8 0.6 0.5 0.4 0.4 0.4 0.4 0.4 0.3 0.4
TRANSP WIND DIR.N N N N N N N N N NW NW NW
TRANSP WIND SPD.14 10 9 8 7 7 6 5 6 5 5 5
SDSPL KT-FT/100078 31 6 4 3 3 2 2 2 2 1 2
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). WIDESPREAD FROST
EARLY IN THE MORNING.
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........MAX 59.
RH..................MIN 30 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......1100 FT AGL INCREASING TO 4400 FT AGL LATE IN
THE MORNING, THEN INCREASING TO 7600 FT AGL
LATE IN THE MORNING DECREASING TO 5000 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 5 TO 14 MPH INCREASING TO 14 TO 16 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1500 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (99900 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11 12 10 9 11 18 28 37 43 46 51 43
WEATHER COV.....WID WID
WEATHER TYPE....FST 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............31 33 38 42 49 52 53 56 57 58 59 58
RH..............79 75 62 52 40 36 35 32 31 31 30 32
20 FT WIND DIR..W W W W NW NW NW NW W W W W
20 FT WIND SPD..2 2 3 4 5 6 7 7 7 8 8 8
20 FT WIND GUST.6 6 7 8 12 12 13 15 14 14 15 14
MIX HGT (KFT)...0.4 0.4 1.1 2.7 4.4 6.8 7.4 7.6 7.1 7.1 7.1 5.0
TRANSP WIND DIR.NW W W NW W NW W W W W W W
TRANSP WIND SPD.5 6 6 9 10 13 13 14 14 15 16 14
SDSPL KT-FT/10002 2 5 22 40 75 81 91 85 93 100 60
FORECASTER...AF
REQUESTED BY...SAMUEL SMYRK
TYPE OF REQUEST...PRESCRIBED
.TAG 2612108.0/ARX
.DELDT 05/01/26
.FORMATTERVERSION 2.0.0
.EMAIL SAMUEL.SMYRK@WISCONSIN.GOV
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