582
FNUS73 KDLH 082014
FWSDLH

Spot Forecast for Birch Bay Fire...USFS
National Weather Service Duluth MN
314 PM CDT Mon Jun 8 2026

Forecast is based on forecast start time of 1600 CDT on June 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...

Mostly cloudy conditions continue to persist with some clearing
upstream. Radar shows a line of showers that is developing over
the site with some potential for some isolated storms. Additional
rain chances start to taper off later after midnight. Tomorrow,
cloud cover will start to diminish in the afternoon with highs
climbing into the upper 80s. Gusty south winds will ramp up in the
afternoon as well with Min RHs dropping to around 45%.

.REST OF TODAY...

Sky/weather.........Mostly cloudy (70-80 percent). Slight chance of
                    showers and thunderstorms.
Chance of pcpn......20 percent.
Max temperature.....Around 78.
Min humidity........58 percent.
Wind (20 ft)........South winds around 8 mph. Gusts up to 20 mph
                    late in the afternoon. Gusty and erratic winds
                    expected near thunderstorms.
Mixing height.......2600 ft AGL.
Transport winds.....South 14 to 15 mph.
Smoke dispersal.....Good (31400 knot-ft).
Pcpn amount.........0.01 inches.

TIME (CDT)      4PM 5PM
Sky cover.......MC  MC
Weather cov.....SCH SCH
Weather type....RW  RW
Tstm cov........SCH SCH
Chc of pcpn (%).20  20
Temp............73  76
RH..............72  65
20 FT wind dir..S   S
20 FT wind spd..6   7
20 FT wind gust.18  16
Mix hgt (kft)...2.6 2.6
Transp wind dir.S   S
Transp wind spd.15  14
SDspl kt-ft/100034  31

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent). Chance of
                    thunderstorms in the evening. Chance of showers
                    through the night. Slight chance of
                    thunderstorms overnight. Patchy fog overnight.
Chance of pcpn......30 percent.
Min temperature.....Around 59.
Max humidity........100 percent.
Wind (20 ft)........South winds 5 to 7 mph in the evening becoming
                    light. Gusty and erratic winds expected near
                    thunderstorms early in the evening. Gusty and
                    erratic winds expected near thunderstorms late
                    in the evening.
Mixing height.......2600 ft AGL decreasing to 500 ft AGL in the
                    late evening and overnight.
Transport winds.....South 5 to 13 mph.
Smoke dispersal.....Fair (16700-28500 knot-ft) decreasing to poor
                    (1700 knot-ft) early in the evening.
Pcpn amount.........0.03 inches.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky cover.......MCLDY  MCLDY  CLOUDY MCLDY  CLOUDY MCLDY
Weather cov.....S CHC  CHANCE CHANCE CHANCE S CHC  S CHC
Weather type....RNSHWR RNSHWR RNSHWR RNSHWR RN/FG  RN/FG
Tstm cov........S CHC  CHANCE S CHC  S CHC
Chc of pcpn (%).20     30     30     30     20     20
Temp............78     75     69     65     63     62
RH..............58     69     84     97     97     97
20 ft wind......S 7    S 5    S 5    S 4    S 3    SW 3
20 ft wind gust.15     13     13     11     8      7
Mix hgt (ft)....2600   900    500    500    400    500
Transport wind..S 13   S 8    S 8    S 8    SW 7   S 6
SDspl kt-ft/100029     6      4      3      3      2

.TUESDAY...

Sky/weather.........Partly sunny (55-65 percent). Patchy fog early
                    in the morning.
Chance of pcpn......10 percent.
Max temperature.....Around 87.
Min humidity........45 percent.
Wind (20 ft)........Light winds becoming south 5 to 6 mph in the
                    afternoon.
Mixing height.......1700 ft AGL increasing to 4700 ft AGL.
Transport winds.....South 3 to 12 mph.
Smoke dispersal.....Poor to fair (1700-20500 knot-ft) increasing to
                    fair to good (28400-44500 knot-ft) late in the
                    afternoon.
Pcpn amount.........0.00 inches.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......MC  MC  MC  MC  MC  MC  MC  MC  PC  PC  PC  PC
Weather cov.....PTY PTY PTY
Weather type....FOG FOG FOG
Tstm cov........
Chc of pcpn (%).10  10  10  0   0   0   0   0   0   0   0   0
Temp............60  64  66  69  74  77  79  81  84  85  86  87
RH..............100 97  93  87  79  71  64  58  51  48  46  45
20 FT wind dir..SW  SW  SW  SW  S   SE  SE  S   S   S   S   S
20 FT wind spd..2   1   1   1   2   3   4   4   4   5   6   6
20 FT wind gust.5   5   5   5   5   7   8   9   11  12  13  14
Mix hgt (kft)...0.4 0.6 0.8 1.2 1.7 2.4 2.9 3.4 4.1 4.5 4.7 4.5
Transp wind dir.S   SW  S   S   SE  S   S   S   S   S   S   S
Transp wind spd.5   3   5   5   5   7   6   7   8   9   10  12
SDspl kt-ft/10002   2   3   5   7   14  15  21  28  36  42  45

$$
Forecaster...Lee
Requested by...Mary Wachuta
Type of request...WILDFIRE
.TAG 2614806.18/DLH
.DELDT 06/08/26
.FormatterVersion 2.0.0
.EMAIL mason.vance@usda.gov,JayeA@stlouiscountymn.gov,brinkmanJ@stlouiscountymn.gov,mary.wachuta@usda.gov