087
FNUS73 KDLH 192209
FWSDLH
SPOT FORECAST FOR GROUSE TRAIL FIRE...MN DNR
NATIONAL WEATHER SERVICE DULUTH MN
509 PM CDT MON OCT 19 2026
FORECAST IS BASED ON FORECAST START TIME OF 1800 CDT ON OCTOBER 19.
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 CONDITIONS PERSIST TONIGHT. RH SHOULD RECOVER PRETTY QUICKLY
AFTER SUNSET, BUT IT MAY TAKE A WHILE GIVEN HOW DRY THE AIRMASS
IS. EXPECT WINDS TO BE LIGHT TONIGHT, AROUND 5 MPH FROM THE EAST-
NORTHEAST THIS EVENING, THEN BECOMING LIGHT TO CALM FROM THE EAST
LATER TONIGHT. WINDS WILL GRADUALLY SHIFT OVER TO SOUTHERLY BY
MIDDAY TUESDAY WITH SPEEDS LESS THAN 10 MPH AND GUSTS PERHAPS
APPROACHING 15 MPH OR SO. DRY AND QUIET WEATHER CONTINUES WITH
SUNSHINE AND RH FALLING TO AROUND 45% TUESDAY AFTERNOON.
TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 36.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....EAST 7 TO 10 MPH.
SMOKE DISPERSAL.....POOR (2500 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 CLR CLR CLR CLR CLR CLR CLR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............60 52 45 42 38 37 37 37 37 36 36 36
RH..............43 56 79 93 96 96 97 99 100 100 100 100
20 FT WIND DIR..NE NE NE E E E E E E E E E
20 FT WIND SPD..5 4 4 3 3 2 2 1 1 1 1 1
20 FT WIND GUST.12 13 12 11 9 8 7 6 6 6 6 6
MIX HGT (KFT)...0.7 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.E E E E E E E E E SE SE SE
TRANSP WIND SPD.9 9 10 10 9 9 8 8 7 7 7 8
SDSPL KT-FT/10006 4 4 4 4 3 3 3 3 3 3 3
TUESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........45 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH LATE IN
THE MORNING.
MIXING HEIGHT.......1400 FT AGL INCREASING TO 3800 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTH 8 TO 17 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (2800-13700 KNOT-FT) INCREASING TO
GOOD (30000-49600 KNOT-FT) EARLY IN THE
AFTERNOON, THEN INCREASING TO GOOD (52100-57300
KNOT-FT) LATE IN THE AFTERNOON DECREASING TO
FAIR (29000 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.......CLR MCR MCR MCR PC MCR PC PC MCR PC PC PC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............36 36 37 43 48 53 59 63 64 65 65 64
RH..............100 100 97 95 89 74 62 52 48 46 45 46
20 FT WIND DIR..E E SE SE SE SE S S S S S S
20 FT WIND SPD..1 2 2 3 3 4 6 7 7 7 7 6
20 FT WIND GUST.6 6 7 9 9 12 14 15 15 15 15 14
MIX HGT (KFT)...0.4 0.4 0.4 0.5 0.8 1.4 2.5 3.3 3.5 3.8 3.7 2.4
TRANSP WIND DIR.SE SE S S S S S S S S S S
TRANSP WIND SPD.8 8 8 8 9 12 14 15 16 17 16 14
SDSPL KT-FT/10003 3 3 4 7 14 30 42 50 57 52 29
TUESDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 12 MPH.
SMOKE DISPERSAL.....POOR (2900-11200 KNOT-FT).
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MCR MCR MCR PC PC PC MCR MCR PC MCR MCR MCR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............60 55 51 49 48 47 46 46 45 44 44 43
RH..............53 72 86 93 96 96 96 100 100 100 100 100
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..5 4 3 3 3 3 3 3 3 2 2 2
20 FT WIND GUST.13 12 12 12 12 11 11 11 9 9 8 8
MIX HGT (KFT)...1.1 0.8 0.5 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.S S S S S S S S S S SW SW
TRANSP WIND SPD.12 12 12 10 10 10 10 10 9 9 9 8
SDSPL KT-FT/100011 8 5 4 4 4 4 4 3 3 3 3
WEDNESDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 4100 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 8 TO 9 MPH SHIFTING TO THE NORTHWEST
AROUND 7 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (2800-21500 KNOT-FT) INCREASING TO
FAIR (18500-28500 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 CLR MCR MCR MCR MCR MCR MCR MCR MCR MCR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............42 42 43 47 52 57 61 64 66 68 67 64
RH..............100 100 100 96 89 77 67 60 56 53 54 63
20 FT WIND DIR..S S S S SW SW SW SW SW SW SW SW
20 FT WIND SPD..2 1 2 2 2 2 2 2 2 1 1 1
20 FT WIND GUST.7 6 6 6 6 6 6 6 6 6 6 5
MIX HGT (KFT)...0.4 0.4 0.4 0.7 1.0 1.4 1.7 2.2 3.1 3.8 4.1 3.1
TRANSP WIND DIR.SW SW S SW SW SW SW SW SW W W NW
TRANSP WIND SPD.8 8 8 8 9 9 8 8 8 8 8 7
SDSPL KT-FT/10003 3 3 5 8 11 12 16 22 27 29 19
FORECASTER...JOSH
REQUESTED BY...ELIZABETH RING
TYPE OF REQUEST...WILDFIRE
.TAG 2624090.0/DLH
.DELDT 10/19/26
.FORMATTERVERSION 2.0.0
.EMAIL ELIZABETH.RING@STATE.MN.US,SANDSTONE.FIRE.DISPATCHER@STATE.MN.US
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