518
FNUS73 KDLH 220051
FWSDLH
SPOT FORECAST FOR STEWART TRAIL FIRE...MN DNR
NATIONAL WEATHER SERVICE DULUTH MN
751 PM CDT THU MAY 21 2026
FORECAST IS BASED ON FORECAST START TIME OF 2000 CDT ON MAY 21.
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
ONSHORE WINDS FROM LAKE SUPERIOR CONTINUES TO AROUND SUNSET WITH
EASTERLY WINDS. WINDS WILL BECOME MORE SHORE-PARALLEL TO SLIGHTLY
OFFSHORE FROM THE NORTHEAST THIS EVENING. RH RECOVERS TO AROUND
75-80% TONIGHT WITH INITIAL HIGH CLOUDS OVERHEAD BECOMING PARTLY
CLOUDY.
STARTING MOSTLY CLEAR WITH LIGHTER NORTHEAST WINDS IN THE EARLY
MORNING. WINDS INCREASE AGAIN OFF OF LAKE SUPERIOR ON FRIDAY THEN
BECOME NEAR-SHORE PARALLEL AGAIN IN THE EVENING. LOOK FOR GUSTS
REACHING 20-25 MPH IN THE AFTERNOON AND EVENING. THE HIGH
TEMPERATURE TOPS OUT AT AROUND 54 DEGREES WITH MIN RH BOTTOMING
OUT AROUND 45% IN THE AFTERNOON. THERE WILL BE INCREASING CLOUDS
FRIDAY AFTERNOON AHEAD OF RAIN SHOWERS THAT ARE EXPECTED TO PASS
THROUGH FRIDAY NIGHT, THEN ON A MORE SCATTERED BASIS ON SATURDAY.
WHILE NOT A SUBSTANTIAL AMOUNT OF RAIN IS EXPECTED WITH THESE
RAIN SHOWERS, THE FIRE AREA COULD STILL SEE AROUND 0.2-0.3" OR SO
THROUGH SATURDAY, WITH MOST OF THIS FALLING FRIDAY NIGHT INTO
EARLY SATURDAY MORNING. WHILE THUNDERSTORMS ARE NOT EXPECTED A
RUMBLE OR TWO CAN'T BE RULED OUT (10% CHANCE).
REST OF TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (35-45 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........79 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 7 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 8 TO 14 MPH.
SMOKE DISPERSAL.....POOR (2700 KNOT-FT).
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC MC MC MC MC MC MC MC MC PC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
TEMP............43 43 41 41 41 41 40 39 39 39
RH..............54 57 62 65 67 70 73 79 79 79
20 FT WIND DIR..NE NE NE NE N NE NE NE NE NE
20 FT WIND SPD..7 6 5 5 4 3 3 3 3 3
20 FT WIND GUST.16 14 13 11 9 8 7 6 6 6
MIX HGT (KFT)...0.5 0.5 0.5 0.4 0.4 0.5 0.4 0.4 0.4 0.4
TRANSP WIND DIR.E NE NE NE NE NE NE NE NE NE
TRANSP WIND SPD.14 14 13 12 12 10 9 9 8 8
SDSPL KT-FT/10006 6 5 4 4 5 3 3 3 3
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........46 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 14 MPH WITH GUSTS TO
AROUND 22 MPH INCREASING TO 13 TO 15 MPH LATE
IN THE AFTERNOON.
MIXING HEIGHT.......1000 FT AGL.
TRANSPORT WINDS.....EAST 9 TO 18 MPH INCREASING TO 20 TO 21 MPH
LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (3100-13500 KNOT-FT).
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC PC MCR MCR MCR PC MC PC PC MC MC MC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............39 41 44 46 49 51 51 52 52 53 52 52
RH..............79 76 70 65 58 54 52 50 48 46 48 48
20 FT WIND DIR..NE NE NE E E E E E E NE NE NE
20 FT WIND SPD..4 5 6 7 9 10 11 12 13 15 13 12
20 FT WIND GUST.7 9 12 13 14 16 19 21 22 23 23 22
MIX HGT (KFT)...0.4 0.5 0.8 1.0 0.9 1.0 0.8 0.7 0.7 0.7 0.6 0.7
TRANSP WIND DIR.NE NE E E E E E E E E E NE
TRANSP WIND SPD.9 9 12 13 15 16 17 18 20 21 21 21
SDSPL KT-FT/10003 4 8 11 12 14 12 11 13 12 11 12
FRIDAY NIGHT
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS
IN THE EVENING, THEN RAIN SHOWERS OVERNIGHT.
CHANCE OF PCPN......90 PERCENT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH. GUSTS UP TO 25 MPH
IN THE EVENING THEN 21 MPH OVERNIGHT.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....EAST 13 TO 20 MPH.
SMOKE DISPERSAL.....POOR (5200-11300 KNOT-FT).
PCPN AMOUNT.........0.20 INCHES.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC MC CDY CDY CDY CDY CDY CDY CDY CDY CDY CDY
WEATHER COV..... SCH CHC SCH DEF DEF DEF DEF DEF
WEATHER TYPE.... RW RW RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).0 0 0 0 20 40 20 90 90 90 90 90
TEMP............51 49 48 47 46 46 46 45 45 44 42 42
RH..............50 54 56 60 65 68 71 73 76 79 86 86
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE E E
20 FT WIND SPD..10 9 7 6 5 5 4 4 4 4 4 4
20 FT WIND GUST.22 23 23 23 20 19 18 16 18 18 19 19
MIX HGT (KFT)...0.7 0.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.NE NE NE E E E E E E E E E
TRANSP WIND SPD.20 20 17 16 15 14 14 13 14 15 15 15
SDSPL KT-FT/100011 11 8 7 7 6 6 5 6 6 7 7
FORECASTER...CORY
REQUESTED BY...CHRISTOPHER BERGQUIST
TYPE OF REQUEST...WILDFIRE
.TAG 2614043.2/DLH
.DELDT 05/21/26
.FORMATTERVERSION 2.0.0
.EMAIL JASON.BUSHMAKER@STATE.MN.US,MIKE.YOUNG@STATE.MN.US,CHRISTOPHER.BERGQUIST@STATE.MN.US
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