Spot Forecast
Issued by NWS La Crosse, WI
Issued by NWS La Crosse, WI
037
FNUS73 KARX 041058
FWSARX
Spot Forecast for Blue River Barrens RX...WI DNR
National Weather Service La Crosse WI
558 AM CDT Fri Apr 4 2025
Forecast is based on ignition time of 0900 CDT on April 04.
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 dominate the day with light wind and just
high clouds overhead. Mixing height will be very shallow early
this morning and combined with light wind, smoke dispersion will be
poor. Mixing depth and transport winds will increase by late morning
increasing the smoke dispersion to good by 10-11 am. Wind direction
will be from the southeast to start before becoming easterly by
later in the afternoon with speeds staying at or below 8 mph
through the day. RHs will fall to around 50% by the afternoon and
recover to about 85% overnight with chances for rain showers
increasing later this afternoon into this evening. Winds will back
to the northeast behind a cold front tonight and will pick up
tomorrow to around 10-12 mph with higher gusts possible. RHs
will be much lower tomorrow with RHs falling to near 30% by the
afternoon.
.REST OF TODAY...
Sky/weather.........Partly sunny (60-70 percent). Slight chance of
rain late in the afternoon. Chance of rain late
in the afternoon.
CWR.................0 percent increasing to 40 percent late in the
afternoon.
Temperature.........37 at ignition...Max 54.
RH..................81 percent at ignition...Min 46 percent.
Wind (20 ft)........Winds east at 3 mph at ignition...otherwise
Light winds becoming east around 5 mph.
Mixing height.......1000 ft AGL at ignition...otherwise 1900 ft AGL
increasing to 3800 ft AGL late in the morning.
Transport winds.....Southeast 7 to 16 mph.
Smoke dispersal.....Poor /11500 knot-ft/ at ignition. Max...good
/42300 knot-ft/.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........44 52 61 69 77 80 82 85 87
Weather cov..... SCH SCH CHC
Weather type.... RN RN RN
Tstm cov........
CWR.............0 0 0 0 10 10 20 20 40
Temp............37 43 46 48 50 52 53 54 53
RH..............81 71 60 55 52 48 46 49 50
20 FT wind dir..E E SE SE E E E E E
20 FT wind spd..3 4 4 5 5 5 5 5 5
20 FT wind gust.8 9 11 11 11 9 9 9 9
Mix hgt (kft)...1.0 1.9 3.0 3.1 3.4 3.7 3.8 3.7 3.6
Transp wind dir.E SE SE SE SE SE SE SE E
Transp wind spd.13 14 16 13 10 9 8 7 7
SDspl kt-ft/100012 23 42 34 30 30 27 22 22
.TONIGHT...
Sky/weather.........Cloudy (85-95 percent). Rain likely through the
night.
CWR.................60 percent decreasing to 10 percent early in
the morning.
Temperature.........Min 38.
RH..................Max 84 percent.
Wind (20 ft)........Light winds becoming north around 5 mph early
in the morning.
Mixing height.......3500 ft AGL decreasing to 600 ft AGL.
Transport winds.....East 6 to 10 mph shifting to the north 6 to 13
mph overnight.
Smoke dispersal.....Fair (17300 knot-ft) early in the evening
decreasing to poor (3300 knot-ft) late in the
night.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........91 95 96 97 98 98 97 98 98 95 91 82
Weather cov.....CHC LKY LKY LKY LKY LKY LKY CHC SCH SCH SCH
Weather type....RN RN RN RN RN RN RN RN RN RN RN
Tstm cov........
CWR.............30 60 60 60 60 60 60 40 20 20 20 10
Temp............53 53 49 48 46 44 44 44 43 43 42 41
RH..............52 55 62 65 72 78 78 81 84 83 83 83
20 FT wind dir..E E E E E NE NE N N N N N
20 FT wind spd..4 4 3 3 3 2 2 2 2 3 4 5
20 FT wind gust.9 9 8 8 8 8 7 7 7 8 9 11
Mix hgt (kft)...3.5 0.7 0.8 0.7 0.8 0.7 0.7 0.7 0.6 0.6 0.7 0.8
Transp wind dir.E E E E E E NE N N NW NW NW
Transp wind spd.6 6 8 10 8 7 6 6 7 7 10 13
SDspl kt-ft/100017 4 6 7 5 4 4 3 4 4 6 9
.SATURDAY...
Sky/weather.........Partly sunny (50-60 percent) then becoming
sunny (10-20 percent).
CWR.................10 percent.
Temperature.........Max 49.
RH..................Min 29 percent.
Wind (20 ft)........Northwest winds 5 to 12 mph. Gusts up to 23 mph
in the late morning and afternoon.
Mixing height.......3000 ft AGL increasing to 5000 ft AGL late in
the morning.
Transport winds.....Northwest 16 to 25 mph.
Smoke dispersal.....Fair (16500 knot-ft) early in the morning
increasing to excellent (110900 knot-ft) in the
afternoon.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........72 66 68 72 69 55 36 19 11 10 10 9
Weather cov.....
Weather type....
Tstm cov........
CWR.............10 0 0 0 0 0 0 0 0 0 0 0
Temp............40 39 39 39 42 43 45 46 48 48 49 47
RH..............85 87 84 80 68 58 50 43 37 32 29 31
20 FT wind dir..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT wind spd..5 6 8 9 9 10 11 12 12 12 12 11
20 FT wind gust.13 14 14 15 18 19 20 20 21 21 21 20
Mix hgt (kft)...1.2 1.4 1.9 2.4 3.0 3.6 4.3 4.7 4.9 4.9 5.0 3.8
Transp wind dir.NW NW NW NW NW N N NW NW NW NW NW
Transp wind spd.16 18 21 23 24 24 23 23 25 25 25 23
SDspl kt-ft/100017 22 34 48 63 75 86 93 107 109 111 77
$$
Forecaster...KB
Requested by...Mike Finlay
Type of request...PRESCRIBED
.TAG 2508723.0/ARX
.DELDT 04/04/25
.FormatterVersion 2.0.0
.EMAIL mike.finlay@wisconsin.gov