Spot Forecast
Issued by NWS Duluth, MN

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
297
FNUS73 KDLH 081358
FWSDLH

Spot Forecast for Unit 105...WI DNR
National Weather Service Duluth MN
858 AM CDT Wed Oct 8 2025

Forecast is based on ignition time of 1200 CDT on October 08.
If there are questions or concerns with this forecast, or if
conditions become unrepresentative, contact the National
Weather Service in Duluth at 218-729-0653.

.DISCUSSION...

High pressure will bring sunny skies today with highs in the upper
50s. RH values this afternoon will fall into the 25 to 30% range,
but may trend a bit lower if winds are stronger than expected.
Winds will be light and variable this morning and become southerly
this afternoon at 5 to 10 mph. Sunny and warmer for Thursday with
a high in the middle 60s. Afternoon RH values will be above 35%
with southerly winds at 5 to 15 mph gusting to 20 to 25 mph during
the late morning and afternoon hours.

.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 59.
Min humidity........27 percent.
Wind (20 ft)........Light winds becoming south around 5 mph late in
                    the afternoon, then becoming light late in the
                    afternoon.
Mixing height.......3800 ft AGL.
Transport winds.....South 6 to 8 mph.
Smoke dispersal.....Fair (16400-24100 knot-ft).
Pcpn amount.........0.00 inches.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CLR CLR MCR CLR CLR CLR
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0
Temp............50  54  56  57  59  57
RH..............42  34  31  29  27  29
20 FT wind dir..S   S   S   S   S   S
20 FT wind spd..3   4   4   4   4   3
20 FT wind gust.7   8   8   8   8   8
Mix hgt (kft)...3.3 3.7 3.8 3.8 3.8 3.4
Transp wind dir.S   S   S   S   S   S
Transp wind spd.6   6   7   7   7   8
SDspl kt-ft/100016  18  23  23  23  24

.TONIGHT...

Sky/weather.........Clear (0-10 percent). Areas of frost overnight.
Chance of pcpn......0 percent.
Min temperature.....Around 35.
Max humidity........77 percent.
Wind (20 ft)........Light winds becoming south 5 to 6 mph
                    overnight.
Mixing height.......1000 ft AGL.
Transport winds.....South 6 to 13 mph.
Smoke dispersal.....Poor (3300 knot-ft).
Pcpn amount.........0.00 inches.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......CLR CLR CLR CLR CLR MCR CLR MCR MCR MCR MCR MCR
Weather cov.....                                ARS ARS ARS ARS
Weather type....                                FST FST FST FST
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............55  51  45  41  40  39  38  38  37  36  36  36
RH..............34  40  51  59  66  67  71  70  74  77  75  72
20 FT wind dir..S   SE  S   SE  SE  S   S   S   S   S   S   S
20 FT wind spd..3   3   2   2   3   3   3   3   4   4   5   5
20 FT wind gust.8   7   6   7   8   8   8   9   9   11  12  13
Mix hgt (kft)...1.0 0.5 0.5 0.5 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.5
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.6   8   8   8   9   10  10  10  12  12  13  13
SDspl kt-ft/10005   3   3   3   4   4   4   4   5   5   5   5

.THURSDAY...

Sky/weather.........Sunny (20-30 percent). Areas of frost early in
                    the morning.
Chance of pcpn......0 percent.
Max temperature.....Around 64.
Min humidity........38 percent.
Wind (20 ft)........South winds 6 to 13 mph. Gusts up to 24 mph in
                    the late morning and afternoon.
Mixing height.......2100 ft AGL increasing to 3400 ft AGL in the
                    afternoon.
Transport winds.....South 13 to 21 mph.
Smoke dispersal.....Poor to fair (5500-16300 knot-ft) increasing to
                    good to excellent (42600-61500 knot-ft).
Pcpn amount.........0.00 inches.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MCR MCR CLR CLR MCR MCR MCR MCR MCR PC  PC  PC
Weather cov.....ARS ARS
Weather type....FST FST
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............35  36  38  44  51  55  58  61  63  64  64  63
RH..............72  72  70  60  50  45  42  41  38  38  40  43
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..5   5   7   8   9   10  10  11  12  12  12  12
20 FT wind gust.13  14  15  15  18  19  20  20  21  22  22  22
Mix hgt (kft)...0.5 0.5 0.7 1.2 1.6 2.1 2.6 3.1 3.2 3.3 3.4 2.7
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.14  13  13  16  20  21  21  21  21  21  21  18
SDspl kt-ft/10006   6   8   16  27  38  46  55  57  59  62  43

$$
Forecaster...Bryan
Requested by...Adam Rider
Type of request...PRESCRIBED
.TAG 2523103.0/DLH
.DELDT 10/07/25
.FormatterVersion 2.0.0
.EMAIL adam.rider@wi.gov