748
FNUS73 KARX 151148
FWSARX
SPOT FORECAST FOR PRESTON NORTH SUBUNIT A...THE NATURE CONSERVANCY
NATIONAL WEATHER SERVICE LA CROSSE WI
648 AM CDT MON SEP 15 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON SEPTEMBER 15.
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
LIGHT TO CALM WIND TO KICK OFF THE DAY. DAYTIME
MIXING SHOULD KICK IN BY 11 AM TO NOON AND WITH IT WILL COME AN
UPTICK WINDS - SUSTAINED SOUTHEAST UNDER 10 KTS, BUT WOULDN'T
SURPRISE TO SEE A FEW AFTERNOON GUSTS IN THE MID TEENS. A FEW
POCKETS OF LOW LYING FOG EARLY OTHERWISE MOSTLY SUNNY THROUGH THE
MORNING. SOME INCREASE IN HIGH LEVEL CLOUDS LATER IN THE
AFTERNOON.
REST OF TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
TEMPERATURE.........72 AT IGNITION...MAX 83.
RH..................68 PERCENT AT IGNITION...MIN 49 PERCENT.
WIND (20 FT)........WINDS SOUTHEAST AT 5 MPH AT
IGNITION...OTHERWISE SOUTHEAST WINDS 5 TO 7
MPH.
MIXING HEIGHT.......1200 FT AGL AT IGNITION...OTHERWISE 3100 FT AGL
INCREASING TO 3300 FT AGL LATE IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTH 13 TO 14 MPH.
SMOKE DISPERSAL.....FAIR /13900 KNOT-FT/ AT IGNITION. MAX...GOOD
/40000 KNOT-FT/.
TIME (CDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P
SKY (%).........11 9 13 16 14 9 14 13
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0
CHC OF THDR (%).0 0 0 0 0 0 0 0
TEMP............72 75 78 80 81 81 83 81
RH..............68 64 58 54 51 53 49 53
20 FT WIND DIR..SE SE SE SE SE SE SE SE
20 FT WIND SPD..5 5 6 7 7 7 6 5
20 FT WIND GUST.13 13 14 14 14 14 14 14
MIX HGT (KFT)...1.2 1.6 2.2 2.7 3.1 3.3 3.3 2.9
TRANSP WIND DIR.S S S S S S S S
TRANSP WIND SPD.14 13 14 14 14 14 14 13
SDSPL KT-FT/100014 18 27 32 37 40 39 32
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...4 PERCENT.
TEMPERATURE.........MIN 58.
RH..................MAX 90 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 9 TO 12 MPH.
SMOKE DISPERSAL.....POOR (3600 KNOT-FT).
TIME (CDT) 1 PM 3 PM 5 PM 7 PM 9 PM 11 PM
SKY (%).........14 37 29 30 36 46
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............80 71 66 64 61 60
RH..............56 73 84 81 87 87
20 FT WIND......SE 5 SE 3 SE 3 SE 2 SE 2 SE 2
20 FT WIND GUST.13 11 11 9 8 7
MIX HGT (FT)....800 400 400 400 400 400
TRANSPORT WIND..SE 12 SE 10 SE 12 S 10 S 10 SE 9
SDSPL KT-FT/10008 4 5 4 4 4
TUESDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
CHANCE OF THUNDER...4 PERCENT.
TEMPERATURE.........MAX 84.
RH..................MIN 51 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 4100 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTH 6 TO 8 MPH.
SMOKE DISPERSAL.....POOR (2200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (24400 KNOT-FT) IN THE
AFTERNOON.
TIME (CDT) 1 AM 3 AM 5 AM 7 AM 9 AM 11 AM
SKY (%).........33 33 20 20 21 16
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............59 62 72 79 82 83
RH..............90 90 71 58 53 51
20 FT WIND......SE 2 SE 2 S 3 S 4 S 4 S 3
20 FT WIND GUST.7 6 8 9 9 9
MIX HGT (FT)....400 400 900 2400 3500 4100
TRANSPORT WIND..SE 8 S 7 S 7 S 7 S 7 S 7
SDSPL KT-FT/10003 2 6 14 21 24
FORECASTER...TR
REQUESTED BY...JOHN SCHWINGEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2521965.0/ARX
.DELDT 09/15/25
.FORMATTERVERSION 2.0.0
.EMAIL JOHN.SCHWINGEL@TNC.ORG
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page