449
FNUS73 KDLH 042254
FWSDLH
SPOT FORECAST FOR BIRCH BAY FIRE...USFS
NATIONAL WEATHER SERVICE DULUTH MN
554 PM CDT THU JUN 4 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 CDT ON JUNE 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
A LINE OF THUNDERSTORMS IS EXPECTED TO IMPACT THE SITE WITHIN THE
NEXT HOUR. SHOWERS AND THUNDERSTORMS MAY REDEVELOP AND PASS OVER
OR IN THE VICINITY OF THE SITE THROUGH THE EVENING UNTIL ABOUT
MIDNIGHT. THERE IS SOME UNCERTAINTY IN RAINFALL AMOUNTS WITH THE
LOCALIZED NATURE OF THUNDERSTORMS. IT IS POSSIBLE (30% CHANCE)
THAT RAINFALL OF A QUARTER TO HALF AN INCH COULD FALL, THOUGH IT'S
MORE LIKELY THAT IT WILL TOTAL A TENTH OF AN INCH OR TWO THROUGH
THE EVENING. EXPECT GUSTY AND ERRATIC WINDS AROUND THUNDERSTORMS
FOR THE NEXT 1-2 HOURS.
AFTER STORMS MOVE OUT LATER THIS EVENING, EXPECT LINGERING CLOUDS
AND LIGHT SOUTHWEST WINDS. WINDS BECOME MORE WESTERLY WITH SOME
CLEARING SKIES ON FRIDAY. THERE'S A 5-10% CHANCE FOR A STRAY
AFTERNOON SHOWER OR STORM, BUT RIGHT NOW, IT LOOKS LIKE MOST OF
THAT ACTIVITY WILL REMAIN SOUTH.
EXPECT QUIET WEATHER WITH LIGHT NORTHWEST WINDS FRIDAY NIGHT INTO
SATURDAY.
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE EVENING.
MIXING HEIGHT.......4300 FT AGL DECREASING TO 1600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 6 TO 12 MPH.
SMOKE DISPERSAL.....GOOD (43100 KNOT-FT) DECREASING TO POOR TO FAIR
(2100-13100 KNOT-FT).
PCPN AMOUNT.........0.12 INCHES.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC PC MC MC MC MC MC MC MC MC MC
WEATHER COV.....CHC CHC CHC CHC SCH SCH
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........DEF CHC SCH SCH
CHC OF PCPN (%).100 60 30 30 20 20 10 10 10 0 0 0
TEMP............67 66 68 66 64 62 61 60 58 57 56 55
RH..............85 72 68 78 84 90 93 93 96 96 96 100
20 FT WIND DIR..VRB SW SW SW SW SW SW SW SW SW W SW
20 FT WIND SPD..9 6 4 3 3 3 3 3 2 2 2 2
20 FT WIND GUST.22 12 9 8 8 7 6 6 6 5 6 6
MIX HGT (KFT)...4.3 1.6 0.9 0.5 0.5 0.4 0.4 0.4 0.5 0.4 0.4 0.4
TRANSP WIND DIR.W SW SW SW SW SW SW SW SW SW W W
TRANSP WIND SPD.12 9 8 8 7 7 6 7 8 8 7 7
SDSPL KT-FT/100043 13 6 4 3 3 2 3 3 3 2 2
FRIDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........38 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 7 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 5900 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 16 MPH INCREASING TO 17 TO 18 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (2300-15200 KNOT-FT) INCREASING TO
EXCELLENT (75200-91000 KNOT-FT).
PCPN AMOUNT.........0.01 INCHES.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY COVER.......MCLDY PCLDY PCLDY PCLDY MCLDY PCLDY
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............56 63 72 77 78 80
RH..............100 84 57 45 42 38
20 FT WIND......W 2 W 2 W 4 W 6 W 7 NW 7
20 FT WIND GUST.6 6 9 13 14 15
MIX HGT (FT)....400 1000 2900 5200 5400 5700
TRANSPORT WIND..W 7 W 7 W 10 W 15 W 16 W 17
SDSPL KT-FT/10002 6 26 68 75 85
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
MOSTLY CLEAR (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 51.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......5000 FT AGL DECREASING TO 500 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 17 MPH DECREASING TO 5 TO 7 MPH
OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT (75600 KNOT-FT) DECREASING TO POOR
(1600-6800 KNOT-FT).
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC PC PC MCR MCR MCR CLR CLR CLR CLR MCR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............78 76 72 67 63 61 59 57 55 54 53 52
RH..............40 45 51 61 70 75 80 83 86 90 89 96
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW W W
20 FT WIND SPD..6 6 5 4 4 3 3 3 3 2 3 2
20 FT WIND GUST.14 14 12 9 9 9 8 7 6 6 6 5
MIX HGT (KFT)...5.0 2.4 1.2 0.8 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.5
TRANSP WIND DIR.NW NW N NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.17 15 12 10 10 9 9 8 7 6 5 5
SDSPL KT-FT/100076 31 12 7 5 4 4 3 3 2 2 2
SATURDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST AROUND 5 MPH
LATE IN THE MORNING, THEN BECOMING LIGHT LATE
IN THE AFTERNOON.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 6400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 3 TO 10 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (1800-20200 KNOT-FT) INCREASING TO
FAIR TO GOOD (28800-38600 KNOT-FT) LATE IN THE
MORNING, THEN INCREASING TO GOOD (44400-54400
KNOT-FT) LATE IN THE AFTERNOON DECREASING TO
GOOD (33300 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.......PC PC PC MCR CLR CLR CLR CLR CLR CLR MCR CLR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............53 56 61 67 73 77 79 80 82 83 84 85
RH..............93 90 78 63 49 42 38 36 33 31 30 29
20 FT WIND DIR..W W NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..2 1 1 2 3 4 4 4 4 3 3 3
20 FT WIND GUST.5 5 5 5 7 8 9 9 9 9 8 7
MIX HGT (KFT)...0.5 0.7 1.9 2.7 3.4 4.1 4.8 5.4 6.0 6.4 6.3 5.5
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW N
TRANSP WIND SPD.5 3 6 7 7 8 9 10 10 9 8 7
SDSPL KT-FT/10002 2 10 16 20 29 39 49 54 52 44 33
FORECASTER...JOSH
REQUESTED BY...JEB BACKE
TYPE OF REQUEST...WILDFIRE
.TAG 2614806.8/DLH
.DELDT 06/04/26
.FORMATTERVERSION 2.0.0
.EMAIL JEB.BACKE@USDA.GOV,JAYEA@STLOUISCOUNTYMN.GOV,BENJAMIN_EVANS@FIRENET.GOV,BRINKMANJ@STLOUISCOUNTYMN.GOV
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