092
FNUS73 KARX 301111
FWSARX
SPOT FORECAST FOR WEAVER DUNES RX...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE LA CROSSE WI
611 AM CDT WED APR 30 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 30.
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
DIURNAL MIXING HEIGHTS TO BETWEEN 3000-5000 FEET INTO A DRIER
AIRMASS ALOFT WILL ALLOW RHS TO FALL INTO THE MIDDLE TO UPPER 30%
RANGE IN WESTERN WISCONSIN AND SOUTHEAST MINNESOTA FOR THE
AFTERNOON HOURS. IF MIXING IS ABLE TO OVERACHIEVE, RHS MAY FALL AS
LOW AS 25-30%. SUSTAINED WINDS WILL REMAIN UNDER 10 MPH
THROUGHOUT THE DAY FROM THE SOUTH. SMOKE DISPERSAL WILL BEGIN
FAIR BUT WILL IMPROVE TO GOOD AFTER THE MORNING INVERSION EXITS.
SHOWERS WILL MOVE INTO THE AREA OVERNIGHT WITH HIGH PROBABILITIES
(50-80%) FOR RAINFALL AMOUNTS OF OVER 0.1" THROUGH THURSDAY
AFTERNOON.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........54 AT IGNITION...MAX 68.
RH..................57 PERCENT AT IGNITION...MIN 36 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 5 MPH AT
IGNITION...OTHERWISE SOUTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......1900 FT AGL AT IGNITION...OTHERWISE 3500 FT AGL
INCREASING TO 4400 FT AGL IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 14 TO 16 MPH.
SMOKE DISPERSAL.....FAIR /25200 KNOT-FT/ AT IGNITION.
MAX...EXCELLENT /61000 KNOT-FT/.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........28 28 22 21 41 43 54 73
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 10 10
CHC OF THDR (%).0 0 0 0 0 0 0 0
TEMP............54 58 61 64 65 66 67 65
RH..............57 49 44 40 38 37 36 38
20 FT WIND DIR..SE S S S S S S S
20 FT WIND SPD..5 5 6 6 6 6 6 6
20 FT WIND GUST.14 14 14 14 14 14 14 14
MIX HGT (KFT)...1.9 2.7 3.5 3.9 3.9 4.1 4.4 3.1
TRANSP WIND DIR.S S S S S S S S
TRANSP WIND SPD.15 16 16 16 14 15 16 15
SDSPL KT-FT/100025 38 49 54 47 53 61 40
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE EVENING, THEN RAIN SHOWERS
LIKELY OVERNIGHT.
CWR.................10 PERCENT INCREASING TO 60 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
TEMPERATURE.........MIN 49.
RH..................MAX 86 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......600 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 12 MPH SHIFTING TO THE EAST 7 TO
8 MPH AFTER 3 AM.
SMOKE DISPERSAL.....FAIR (18100 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3300 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........75 73 91 89 89 88
WEATHER COV..... S CHC S CHC S CHC CHANCE LIKELY
WEATHER TYPE....NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............10 20 20 20 40 60
CHC OF THDR (%).0 0 0 0 10 0
TEMP............65 59 56 54 53 51
RH..............40 55 66 74 77 83
20 FT WIND......SE 5 SE 4 SE 3 SE 2 SE 2 E 2
20 FT WIND GUST.13 8 9 8 8 8
MIX HGT (FT)....1800 600 600 600 700 600
TRANSPORT WIND..S 12 S 9 S 9 SE 7 SE 8 E 8
SDSPL KT-FT/100018 5 5 3 5 4
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS EARLY IN THE MORNING, THEN SLIGHT
CHANCE OF RAIN SHOWERS LATE IN THE MORNING.
CHANCE OF RAIN SHOWERS IN THE AFTERNOON.
CWR.................50 PERCENT.
CHANCE OF THUNDER...5 PERCENT.
TEMPERATURE.........MAX 63.
RH..................MIN 58 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
LATE IN THE AFTERNOON.
MIXING HEIGHT.......2400 FT AGL.
TRANSPORT WINDS.....EAST 6 TO 8 MPH SHIFTING TO THE NORTHWEST 7 TO
8 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (6100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (14100 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........88 86 80 79 74 64
WEATHER COV.....CHANCE CHANCE S CHC S CHC CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........
CWR.............50 30 30 30 40 40
CHC OF THDR (%).0 0 0 0 10 0
TEMP............51 51 55 57 60 61
RH..............83 86 74 69 64 60
20 FT WIND......E 2 E 2 E 2 E 2 NE 2 N 4
20 FT WIND GUST.7 5 6 7 9 11
MIX HGT (FT)....900 1200 1500 2000 2400 2300
TRANSPORT WIND..E 8 E 7 E 7 E 7 NE 6 NW 7
SDSPL KT-FT/10006 7 9 12 12 14
FORECASTER...JRN
REQUESTED BY...MATT GRAEVE
TYPE OF REQUEST...PRESCRIBED
.TAG 2512320.0/ARX
.DELDT 04/30/25
.FORMATTERVERSION 2.0.0
.EMAIL MGRAEVE@TNC.ORG
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