645
FNUS73 KDLH 081732
FWSDLH

Spot Forecast for Deer River Boneyard...USFS
National Weather Service Duluth MN
1132 AM CST Mon Dec 8 2025

Forecast is based on ignition time of 0900 CST on December 09.
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...

Snow is expected to move into the area through the day Tuesday,
with most likely onset time between 12 - 2PM, with the heaviest
snowfall rates between 4-7PM. Total snow accumulations of 2 to 6
inches possible. Winds should be fairly light in the morning out
of the south, strengthening mid day and through the afternoon with
easterly winds 5-10mph with gusts to 20 mph. Precipitation should
come to an end through the evening with winds becoming northwest,
still breezy.

.TUESDAY...

Sky/weather.........Cloudy (85-95 percent). Slight chance of snow
                    late in the morning, then snow in the
                    afternoon.
Chance of pcpn......80 percent.
Max temperature.....Around 23.
Min humidity........81 percent.
Wind (20 ft)........Light winds becoming southeast 5 to 6 mph late
                    in the morning.
Mixing height.......1100 ft AGL.
Transport winds.....Southeast 6 to 15 mph increasing to 14 to 18
                    mph late in the afternoon.
Smoke dispersal.....Poor to fair (3200-17200 knot-ft).
Pcpn amount.........0.24 inches.

TIME (CST)      9 AM   11 AM  1 PM   3 PM   5 PM
Sky cover.......CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY
Weather cov.....       S CHC  CHANCE DEFNTE DEFNTE
Weather type....NONE   SNOW   SNOW   SNOW   SNOW
Tstm cov........
Chc of pcpn (%).0      20     50     80     80
Temp............14     18     22     22     22
RH..............90     84     81     86     88
20 ft wind......SE 2   SE 4   SE 6   SE 6   E 6
20 ft wind gust.6      11     14     16     15
Mix hgt (ft)....600    1000   1000   1100   900
Transport wind..S 6    S 9    SE 13  SE 18  E 14
SDspl kt-ft/10003      8      11     17     11

.TUESDAY NIGHT...

Sky/weather.........Cloudy (85-95 percent). Snow early in the
                    evening, then snow likely late in the evening.
                    Slight chance of snow overnight.
Chance of pcpn......80 percent.
Min temperature.....Around 7 above.
Max humidity........96 percent.
Wind (20 ft)........East winds around 6 mph with gusts to around 19
                    mph shifting to the north with gusts to around
                    21 mph late in the evening.
Mixing height.......1400 ft AGL.
Transport winds.....East 14 to 15 mph shifting to the north late in
                    the evening.
Smoke dispersal.....Poor to fair (10700-18100 knot-ft).
Pcpn amount.........0.18 inches.

TIME (CST)      6 PM         10 PM        2 AM
Sky cover.......CLOUDY       CLOUDY       MCLDY
Weather cov.....DEFNTE       LIKELY       S CHC
Weather type....SNOW         SNOW         SNOW
Tstm cov........
Chc of pcpn (%).80           80           20
Temp............22           18           14
RH..............85           96           92
20 FT wind......E 5G16       NE 5G19      N 6G21
Mix hgt (ft)....900          1300         1400
Transport wind..E 14         NE 15        N 15
SDspl kt-ft/100011           17           18

.WEDNESDAY...

Sky/weather.........Partly sunny (65-75 percent). Slight chance of
                    snow in the morning.
Chance of pcpn......20 percent.
Max temperature.....Around 15.
Min humidity........70 percent.
Wind (20 ft)........Northwest winds 5 to 6 mph. Gusts up to 22 mph
                    in the morning and early afternoon.
Mixing height.......2400 ft AGL.
Transport winds.....North 10 to 14 mph.
Smoke dispersal.....Poor to fair (9700-26800 knot-ft).
Pcpn amount.........0.00 inches.

TIME (CST)      6 AM         10 AM        2 PM
Sky cover.......MCLDY        MCLDY        MCLDY
Weather cov.....S CHC        S CHC
Weather type....SNOW         SNOW         NONE
Tstm cov........
Chc of pcpn (%).20           20           10
Temp............8            11           15
RH..............96           83           70
20 FT wind......N 5G20       N 5G18       NW 6G18
Mix hgt (ft)....800          1600         2400
Transport wind..N 14         N 12         NW 13
SDspl kt-ft/100010           16           27

$$
Forecaster...Ketzel
Requested by...Brent Rahn
Type of request...PRESCRIBED
.TAG 2527194.0/DLH
.DELDT 12/08/25
.FormatterVersion 2.0.0
.EMAIL brent.n.rahn@usda.gov