187
FNUS73 KMKX 031358
FWSMKX

Spot Forecast for FY2601 Brush Piles Horicon...USFWS
National Weather Service Milwaukee/Sullivan WI
758 AM CST Wed Dec 3 2025

Forecast is based on ignition time of 0800 CST on December 03.

Please contact the National Weather Service if conditions become
unrepresentative or if you have questions/concerns about this forecast.

.DISCUSSION...

Lighter winds out of the southwest and west will switch to
northwest at the burn location between 9 and 10 AM as a cold front
arrives. Flurries are possible along and behind this front.
Expect the winds to become gusty by 11 AM with gusts up to 20 mph.
A couple gusts up to 25 mph are possible during the midday and
early afternoon hours. Expect diminishing temperatures this
afternoon and diminishing winds overnight through Thursday.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (75-85 percent). Slight chance of
                    snow early in the morning.
Temperature.........26 at ignition...Max 28.
RH..................92 percent at ignition...Min 72 percent.
Wind (20 ft)........Winds west at 7 mph at ignition...otherwise
                    Northwest winds 8 to 10 mph. Gusts up to 21 mph
                    in the late morning and afternoon.
Mixing height.......900 ft AGL at ignition...otherwise 2700 ft AGL.
Transport winds.....Northwest 16 to 21 mph.
Smoke dispersal.....Poor /12200 knot-ft/ at ignition. Max...good
                    /45300 knot-ft/.

TIME (CST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........95  94  93  93  92  88  84  79  73  60
Weather cov.....SCH SCH
Weather type....SN  SN
Tstm cov........
Temp............26  26  27  26  26  25  24  23  21  18
RH..............92  92  85  85  81  81  81  77  77  80
20 FT wind dir..W   W   NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..7   7   9   9   10  10  9   9   9   9
20 FT wind gust.13  14  17  17  17  17  17  17  17  17
Mix hgt (kft)...0.9 1.6 2.0 2.1 2.3 2.5 2.7 2.7 1.1 0.8
Transp wind dir.W   W   NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.16  20  21  20  20  20  20  20  18  17
SDspl kt-ft/100012  28  37  36  39  42  45  45  18  13

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent) then becoming
                    clear (0-10 percent).
Temperature.........Min -5.
RH..................Max 98 percent.
Wind (20 ft)........Northwest winds 6 to 8 mph. Gusts up to 20 mph
                    early in the evening.
Mixing height.......400 ft AGL.
Transport winds.....Northwest 12 to 17 mph.
Smoke dispersal.....Poor (4300 knot-ft).

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........46  38  31  28  25  14  3   4   5   4   2   5
Weather cov.....
Weather type....
Tstm cov........
Temp............17  14  12  10  9   6   4   3   2   1   -1  -3
RH..............73  73  76  76  76  79  83  79  79  79  87  87
20 FT wind dir..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
20 FT wind spd..8   8   8   8   7   7   7   7   7   6   6   6
20 FT wind gust.16  16  16  16  14  14  14  13  13  12  11  11
Mix hgt (kft)...0.8 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.4 0.5 0.5 0.4
Transp wind dir.NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  NW
Transp wind spd.17  17  17  17  17  16  15  15  15  15  14  12
SDspl kt-ft/100011  10  9   9   7   7   6   6   6   7   6   4

.THURSDAY...

Sky/weather.........Sunny (20-30 percent).
Temperature.........Max 10.
RH..................Min 69 percent.
Wind (20 ft)........Northwest winds around 5 mph shifting to the
                    southwest in the afternoon.
Mixing height.......1100 ft AGL.
Transport winds.....Northwest 8 to 12 mph shifting to the southwest
                    7 to 14 mph in the afternoon.
Smoke dispersal.....Poor (3300 knot-ft).

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........23  27  24  26  13  12  10  13  16  19  29  40
Weather cov.....
Weather type....
Tstm cov........
Temp............-4  -3  -2  2   5   7   9   10  10  9   8   6
RH..............95  95  95  87  79  76  69  69  69  72  72  76
20 FT wind dir..NW  NW  NW  W   W   W   W   SW  SW  SW  SW  S
20 FT wind spd..5   5   5   5   5   5   5   5   5   5   5   5
20 FT wind gust.10  10  8   8   8   8   8   10  10  10  10  10
Mix hgt (kft)...0.4 0.4 0.4 0.5 0.9 1.0 1.1 1.0 0.9 0.8 0.6 0.5
Transp wind dir.NW  NW  NW  NW  NW  W   W   SW  SW  SW  SW  S
Transp wind spd.12  12  10  9   8   8   7   8   9   10  12  14
SDspl kt-ft/10004   4   3   4   6   7   7   7   7   7   6   6

$$
Forecaster...Cronce
Requested by...Sean
Type of request...PRESCRIBED
.TAG 2526946.0/MKX
.DELDT 12/03/25
.FormatterVersion 2.0.0
.EMAIL sean_sallmann@fws.gov