150
FNUS73 KDLH 191034
FWSDLH
SPOT FORECAST FOR STEWART TRAIL FIRE...MNICS
NATIONAL WEATHER SERVICE DULUTH MN
534 AM CDT TUE MAY 19 2026
FORECAST IS BASED ON FORECAST START TIME OF 0600 CDT ON MAY 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
COOLER AIR IS MOVING INTO THE AREA, WHICH WILL KEEP TEMPERATURES
COOLER AND RH HIGHER DESPITE LITTLE CHANCES FOR RAIN. THE COLD AIR
COMING IN WILL CAUSE LIGHT RAIN SHOWERS THIS AFTERNOON, BUT THAT
WILL BE COUNTERACTED BY DRY AIR AT THE SURFACE. AS A RESULT, VERY
LITTLE RAIN WILL MAKE IT TO THE GROUND. ONLY SPRINKLES TO A TRACE
OF RAIN IS EXPECTED. WINDS WILL INCREASE THIS MORNING, AND GUSTS
UP TO 20 MPH ARE EXPECTED BY THIS AFTERNOON. THE INVERSION
CURRENTLY IN PLACE WILL START TO BREAK DOWN AROUND NOON AND MIXING
WILL BECOME MORE EFFICIENT. FROST IS EXPECTED TONIGHT WITH NEAR
FREEZING TEMPERATURES. WEDNESDAY, DRY CONDITIONS RETURN, WITH
MINIMUM RH 30-40% DEPENDING ON PROXIMITY TO LAKE SUPERIOR.
TODAY
SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG EARLY
IN THE MORNING. CHANCE OF SPRINKLES IN
THE AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........56 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 10 MPH WITH
GUSTS TO AROUND 19 MPH.
MIXING HEIGHT.......2000 FT AGL.
TRANSPORT WINDS.....NORTHWEST 8 TO 16 MPH INCREASING TO 18 TO 21
MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (3800-16400 KNOT-FT) INCREASING TO
GOOD (36500 KNOT-FT) LATE IN THE AFTERNOON.
PCPN AMOUNT.........0.04 INCHES.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CDY CDY CDY CDY CDY CDY CDY CDY MC MC MC MC
WEATHER COV..... CHC CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 10 10 10 10 10
TEMP............42 43 45 46 47 48 48 50 50 51 50 50
RH..............97 96 86 83 79 74 71 63 61 56 56 56
20 FT WIND DIR..NW W W NW NW NW W W W NW NW NW
20 FT WIND SPD..3 4 5 6 8 9 9 10 10 10 10 10
20 FT WIND GUST.8 11 13 15 16 18 18 18 18 19 19 19
MIX HGT (KFT)...0.5 0.7 1.1 1.1 1.0 0.9 0.9 0.8 0.9 1.0 2.0 2.0
TRANSP WIND DIR.N NW NW NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.8 9 12 13 15 15 16 18 18 20 21 21
SDSPL KT-FT/10004 5 11 12 13 12 12 13 14 16 37 37
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT). CHANCE OF
SPRINKLES IN THE EVENING. AREAS OF FROST AFTER
3 AM.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........82 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT.
MIXING HEIGHT.......2700 FT AGL DECREASING TO 1100 FT AGL
OVERNIGHT.
TRANSPORT WINDS.....NORTHWEST 12 TO 20 MPH DECREASING TO 7 TO 10
MPH LATE IN THE EVENING.
SMOKE DISPERSAL.....GOOD (38900 KNOT-FT) DECREASING TO POOR TO FAIR
(2600-18200 KNOT-FT) EARLY IN THE EVENING.
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC MC MC MC PC PC PC MCR MCR MCR MCR MCR
WEATHER COV.....CHC CHC CHC CHC CHC ARS ARS ARS
WEATHER TYPE....RW RW RW RW RW FST FST FST
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 0 0 0 0 0 0
TEMP............49 48 46 46 44 43 41 40 39 37 37 37
RH..............56 56 58 58 62 67 70 76 76 82 82 79
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..10 9 7 6 5 4 4 4 3 3 2 2
20 FT WIND GUST.18 16 14 13 12 12 11 11 9 8 7 6
MIX HGT (KFT)...2.3 2.7 1.5 1.0 0.9 1.0 0.7 1.1 0.5 0.5 0.4 0.4
TRANSP WIND DIR.NW NW NW NW NW NW NW NW N NW NW NW
TRANSP WIND SPD.20 18 14 12 12 10 9 9 8 8 8 7
SDSPL KT-FT/100039 44 18 10 9 9 6 9 4 3 3 3
WEDNESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT). AREAS OF FROST EARLY IN
THE MORNING.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 3700 FT AGL IN THE
LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 7 TO 8 MPH SHIFTING TO THE SOUTH 8 TO
9 MPH IN THE AFTERNOON, THEN SHIFTING TO THE
SOUTHEAST AROUND 9 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (2600-22500 KNOT-FT) INCREASING TO
FAIR (16200-25900 KNOT-FT) IN THE LATE MORNING
AND AFTERNOON.
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR CLR MCR PC PC PC MCR MCR MCR MCR MCR
WEATHER COV.....ARS
WEATHER TYPE....FST
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............36 38 41 44 49 50 51 52 54 55 55 55
RH..............82 79 70 62 52 50 48 46 41 40 40 40
20 FT WIND DIR..NW N N N N N N S S S SE SE
20 FT WIND SPD..1 0 0 0 0 0 0 2 1 1 1 1
20 FT WIND GUST.6 6 5 5 5 5 6 7 6 6 6 5
MIX HGT (KFT)...0.4 0.8 2.2 3.2 3.7 3.4 3.3 3.2 3.2 2.8 2.2 2.0
TRANSP WIND DIR.NW NW NW NW NW W SW S S S S SE
TRANSP WIND SPD.7 7 7 8 8 8 8 8 9 9 9 9
SDSPL KT-FT/10003 5 13 23 26 24 23 22 25 23 18 16
FORECASTER...KRYSTAL
REQUESTED BY...CASSANDRA DEMILLO
TYPE OF REQUEST...WILDFIRE
.TAG 2613845.7/DLH
.DELDT 05/19/26
.FORMATTERVERSION 2.0.0
.EMAIL CHRISTOPHER.BERGQUIST@STATE.MN.US,CASSANDRA.DEMILLO@STATE.MN.US
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