953
FNUS73 KDLH 031454
FWSDLH

Spot Forecast for Deer River Admin Pile RX...USFS
National Weather Service Duluth MN
954 AM CDT Thu Apr 3 2025

Forecast is based on ignition time of 0900 CDT on April 04.
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...

Dry weather is forecast through mid-afternoon Friday with
minimum relative humidities fairly high around 55%. An
incoming cold front creates increasing rain shower chances
in the late afternoon, mainly after 1800 LT though. The
rain to rain-snow transition is expected in the mid to late
evening tomorrow with all snow after 2200 LT. Less than once
inch of new snowfall would be expected at the fire site by
early Saturday morning. Winds shifts northwesterly Saturday
behind the passing cold front as skies also become mostly
sunny.

.FRIDAY...

Sky/weather.........Mostly cloudy (80-90 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 41.
Min humidity........55 percent.
Wind (20 ft)........Light winds.
Mixing height.......3200 ft AGL.
Transport winds.....Southwest 3 to 6 mph shifting to the west
                    around 6 mph late in the afternoon.
Smoke dispersal.....Poor to fair (3900-14700 knot-ft).
Pcpn amount.........0.00 inches.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MC  MC  MC  MC  MC  MC  MC  CDY MC
Weather cov.....                            CHC CHC
Weather type....                            RA  RA
Tstm cov........                            NA  NA
Chc of pcpn (%).0   0   0   0   0   0   5   10  20
Temp............31  34  36  38  40  41  41  41  41
RH..............81  78  72  67  59  57  57  57  57
20 FT wind dir..S   S   S   SW  SW  W   W   W   NW
20 FT wind spd..3   3   3   3   3   3   3   3   3
20 FT wind gust.6   6   6   7   7   7   7   7   7
Mix hgt (kft)...1.3 1.8 2.3 2.6 2.9 3.0 3.1 3.2 2.5
Transp wind dir.S   S   SW  SW  SW  SW  W   W   W
Transp wind spd.3   5   6   6   6   6   5   5   6
SDspl kt-ft/10004   7   12  14  15  14  13  13  11

.FRIDAY NIGHT...

Sky/weather.........Mostly cloudy (65-75 percent) then becoming
                    partly cloudy (35-45 percent). Chance of rain
                    early in the evening. Chance of snow in the
                    evening, then slight chance of snow overnight.
Chance of pcpn......40 percent.
Min temperature.....Around 20.
Max humidity........85 percent.
Wind (20 ft)........Light winds becoming northwest 5 to 6 mph late
                    in the evening.
Mixing height.......1800 ft AGL.
Transport winds.....North 7 to 16 mph.
Smoke dispersal.....Poor to fair (4900-20900 knot-ft).
Pcpn amount.........0.01 inches.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLDY  MCLDY  MCLDY  MCLDY  MCLDY  PCLDY
Weather cov.....CHC    CHANCE CHANCE CHANCE CHANCE S CHC
Weather type....RN     RNSN   SNOW   SNOW   SNOW   SNOW
Tstm cov........
Chc of pcpn (%).20     40     40     40     40     20
Temp............40     37     34     31     29     26
RH..............62     69     78     84     84     81
20 ft wind......NW 2   NW 2   NW 3   NW 4   NW 5   NW 5
20 ft wind gust.8      9      11     12     13     13
Mix hgt (ft)....1800   800    600    800    1200   1500
Transport wind..NW 7   N 8    N 9    N 10   N 14   N 16
SDspl kt-ft/100010     6      5      7      14     21

.SATURDAY...

Sky/weather.........Mostly sunny (25-35 percent). Slight chance of
                    snow early in the morning.
Chance of pcpn......20 percent.
Max temperature.....Around 38.
Min humidity........40 percent.
Wind (20 ft)........Northwest winds 5 to 8 mph. Gusts up to 21 mph
                    in the afternoon.
Mixing height.......2000 ft AGL increasing to 6400 ft AGL.
Transport winds.....Northwest 14 to 21 mph.
Smoke dispersal.....Fair (14800-26600 knot-ft) increasing to
                    excellent (77700-115400 knot-ft).
Pcpn amount.........0.00 inches.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky cover.......MCLEAR MCLEAR MCLEAR PCLDY  PCLDY  PCLDY
Weather cov.....S CHC
Weather type....SNOW   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Chc of pcpn (%).20     0      0      0      10     10
Temp............23     23     28     32     35     37
RH..............80     74     63     48     41     40
20 ft wind......NW 4   NW 4   NW 6   NW 7   W 8    W 8
20 ft wind gust.13     13     14     16     19     19
Mix hgt (ft)....1100   2000   4100   5200   6100   6200
Transport wind..NW 15  NW 15  NW 18  NW 20  NW 21  W 21
SDspl kt-ft/100015     27     66     89     110    111

$$
Forecaster...Nathan
Requested by...Angela Schmitt
Type of request...PRESCRIBED
.TAG 2508780.0/DLH
.DELDT 04/03/25
.FormatterVersion 2.0.0
.EMAIL angela.schmitt@usda.gov