Spot Forecast
Issued by NWS La Crosse, WI

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2
167
FNUS73 KARX 121419
FWSARX

Spot Forecast for Trempealeau Mountain Rx...Wisconsin DNR
National Weather Service La Crosse WI
819 AM CST Wed Nov 12 2025

Forecast is based on ignition time of 0900 CST on November 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...

High pressure will provide dry weather for today and Thursday.
Temperatures at ignition will be around 40 and then warm into the
lower 50s for the afternoon. Smoke dispersion will be fair at
ignition and then improve to excellent. Winds will be northwest at
10 to 20 mph with some gusts up to 26 mph.

.REST OF TODAY...

Sky/weather.........Sunny (5-15 percent).
CWR.................0 percent.
Temperature.........39 at ignition...Max 52.
RH..................64 percent at ignition...Min 39 percent.
Wind (20 ft)........Winds west at 16 mph at ignition...otherwise
                    Northwest winds 12 to 17 mph with gusts to
                    around 27 mph.
Mixing height.......1600 ft AGL at ignition...otherwise 3100 ft AGL
                    increasing to 4500 ft AGL early in the
                    afternoon, then decreasing to 1500 ft AGL late
                    in the afternoon.
Transport winds.....Northwest 21 to 29 mph decreasing to 15 to 18
                    mph late in the afternoon.
Smoke dispersal.....Fair /28800 knot-ft/ at ignition.
                    Max...excellent /112200 knot-ft/.

TIME (CST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........2   2   4   6   5   4   6   14  22
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0
Temp............39  42  46  49  50  52  52  49  48
RH..............64  60  51  46  44  41  39  44  47
20 FT wind dir..W   W   NW  NW  NW  NW  NW  NW  W
20 FT wind spd..16  17  17  17  17  17  16  15  12
20 FT wind gust.27  27  27  27  27  26  25  23  21
Mix hgt (kft)...1.6 1.9 2.6 3.1 4.0 4.5 3.9 1.5 0.8
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  W
Transp wind spd.21  22  26  28  29  29  28  18  15
SDspl kt-ft/100029  37  59  75  100 112 95  24  11

.TONIGHT...

Sky/weather.........Partly cloudy (35-45 percent).
CWR.................0 percent.
Temperature.........Min 28.
RH..................Max 85 percent.
Wind (20 ft)........West winds 5 to 9 mph becoming light.
Mixing height.......600 ft AGL.
Transport winds.....West 7 to 15 mph.
Smoke dispersal.....Poor (3800 knot-ft).

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........30  35  40  43  45  41  36  33  30  34  38  46
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............45  43  41  41  39  38  36  36  34  32  32  30
RH..............53  57  62  62  67  67  72  72  75  82  82  85
20 FT wind dir..W   W   W   W   W   W   W   W   W   W   W   W
20 FT wind spd..9   9   9   9   9   8   7   6   5   5   5   4
20 FT wind gust.15  14  14  13  12  11  8   8   6   6   6   5
Mix hgt (kft)...0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.6 0.6
Transp wind dir.W   W   W   W   W   W   W   W   W   W   W   W
Transp wind spd.15  14  14  13  13  12  12  10  10  8   8   7
SDspl kt-ft/100010  8   8   8   7   7   7   6   6   5   4   4

.THURSDAY...

Sky/weather.........Mostly sunny (40-50 percent).
CWR.................0 percent.
Temperature.........Max 54.
RH..................Min 45 percent.
Wind (20 ft)........Light winds becoming south around 5 mph late in
                    the afternoon, then becoming light late in the
                    afternoon.
Mixing height.......1900 ft AGL.
Transport winds.....Southwest 5 to 7 mph shifting to the south 8 to
                    9 mph in the afternoon.
Smoke dispersal.....Poor (2300 knot-ft) early in the morning
                    increasing to fair (15000 knot-ft) in the
                    afternoon.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........54  44  34  36  42  50  58  52  46  40  35  30
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............30  28  30  35  39  43  48  50  52  54  52  50
RH..............85  96  92  78  73  62  54  50  48  45  48  52
20 FT wind dir..W   SW  SW  SW  SW  S   S   S   S   S   S   S
20 FT wind spd..2   2   2   2   3   3   4   5   5   5   5   4
20 FT wind gust.5   5   5   5   6   7   8   9   9   9   8   7
Mix hgt (kft)...0.6 0.6 0.6 0.7 0.9 1.3 1.5 1.9 1.9 1.8 1.4 1.0
Transp wind dir.W   SW  SW  SW  SW  SW  S   S   S   S   S   S
Transp wind spd.7   6   5   6   7   7   8   8   9   9   9   8
SDspl kt-ft/10004   3   2   3   5   8   11  13  15  15  12  7

$$
Forecaster...KS
Requested by...Burn Boss
Type of request...PRESCRIBED
.TAG 2525609.0/ARX
.DELDT 11/12/25
.FormatterVersion 2.0.0
.EMAIL jared.vanderloop@wisconsin.gov