955
FNUS73 KDLH 201204
FWSDLH
SPOT FORECAST FOR LONG LAKE FIRE...MN DNR
NATIONAL WEATHER SERVICE DULUTH MN
704 AM CDT MON JUL 20 2026
FORECAST IS BASED ON FORECAST START TIME OF 0700 CDT ON JULY 20.
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.
...NEAR-CRITICAL FIRE WEATHER CONDITIONS TODAY DUE TO STRONG WEST
WINDS...
DISCUSSION
MAINLY SUNNY SKIES TO START THE DAY WITH STRONG WEST WINDS
DEVELOPING. WIND GUSTS WILL BE IN THE 20 TO 25 MPH RANGE BY NOON,
PEAKING WITH GUSTS TO 30 TO 35 MPH IN THE MID TO LATE AFTERNOON.
WIND DIRECTION WILL BE WEST TO SLIGHTLY WEST-NORTHWEST BY THE LATE
AFTERNOON, TURNING NORTHWEST WITH WINDS SUSTAINING AT 10 TO 15 MPH
THROUGH THE OVERNIGHT HOURS AS A COLD FRONT MOVES IN FROM THE
NORTH. HIGHS IN THE MID 80S.
INCREASING CLOUDS AND A FEW POP-UP BRIEF SHOWERS AND PERHAPS A
THUNDERSTORM THIS AFTERNOON AND EARLY EVENING, BUT LITTLE IN THE
WAY OF MEASURABLE RAINFALL AMOUNTS EXPECTED, PERHAPS A TENTH OF
AN INCH AT THE MOST UNDER THUNDERSTORMS THAT DEVELOP. RELATIVE
HUMIDITY VALUES FALL TO AROUND 45 TO 50 PERCENT TODAY, WITH
RECOVERY TO NEAR 100 PERCENT OVERNIGHT TONIGHT AS CLOUDS INCREASE.
DRY WITH DECREASING WINDS WEDNESDAY. SUNNY SKIES, HIGHS IN THE
UPPER 70S, AND RELATIVE HUMIDITY VALUES FALLING TO 30 TO 35
PERCENT.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). SLIGHT CHANCE OF
SHOWERS LATE IN THE MORNING. SLIGHT CHANCE OF
THUNDERSTORMS EARLY IN THE AFTERNOON. CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE
AFTERNOON. PATCHY SMOKE EARLY IN THE AFTERNOON.
CHANCE OF PCPN......40 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 14 MPH WITH GUSTS TO AROUND 26
MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS EARLY IN THE AFTERNOON. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE
IN THE AFTERNOON.
MIXING HEIGHT.......1800 FT AGL INCREASING TO 3000 FT AGL LATE IN
THE MORNING, THEN INCREASING TO 6800 FT AGL
LATE IN THE MORNING DECREASING TO 4500 FT AGL
LATE IN THE AFTERNOON.
TRANSPORT WINDS.....WEST 14 TO 23 MPH INCREASING TO 28 TO 30 MPH IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (7600-27100 KNOT-FT) INCREASING TO
GOOD (45200 KNOT-FT) LATE IN THE MORNING, THEN
INCREASING TO EXCELLENT (106600 KNOT-FT) LATE
IN THE MORNING INCREASING TO EXCELLENT
(137000-170200 KNOT-FT) EARLY IN THE AFTERNOON
DECREASING TO EXCELLENT (96500-115800 KNOT-FT).
PCPN AMOUNT.........0.04 INCHES.
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......PC MCR MCR MCR PC PC MC MC MC MC PC
WEATHER COV..... SCH SCH SCH CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW RW RW RW
TSTM COV........ SCH CHC CHC CHC CHC
CHC OF PCPN (%).0 0 10 10 20 20 20 30 30 40 40
TEMP............66 70 73 78 81 82 83 82 83 80 80
RH..............100 94 83 71 58 54 50 53 53 59 57
20 FT WIND DIR..SW SW W W W W W W W W W
20 FT WIND SPD..7 7 7 8 9 10 12 12 13 13 12
20 FT WIND GUST.18 18 19 19 20 21 25 25 26 26 26
MIX HGT (KFT)...0.6 1.5 1.8 3.0 5.3 6.8 6.7 5.5 4.5 4.0 4.0
TRANSP WIND DIR.SW W W W W W W W W W NW
TRANSP WIND SPD.14 16 17 17 23 29 29 29 30 29 28
SDSPL KT-FT/10008 21 27 45 107 170 166 137 116 99 97
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING, THEN
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
OVERNIGHT.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........98 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 9 TO 13 MPH WITH GUSTS TO
AROUND 26 MPH. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE EVENING. GUSTY
AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS
LATE IN THE EVENING.
MIXING HEIGHT.......4400 FT AGL DECREASING TO 2100 FT AGL EARLY IN
THE EVENING.
TRANSPORT WINDS.....NORTHWEST 17 TO 26 MPH.
SMOKE DISPERSAL.....EXCELLENT (77100-101400 KNOT-FT) DECREASING TO
POOR TO FAIR (7200-21200 KNOT-FT) EARLY IN THE
EVENING, THEN INCREASING TO GOOD (31000-37500
KNOT-FT) OVERNIGHT DECREASING TO POOR (7400
KNOT-FT) AFTER 3 AM.
PCPN AMOUNT.........0.03 INCHES.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC PC PC MC MC MC MC MC MC MC MC
WEATHER COV.....CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW
TSTM COV........CHC CHC CHC CHC SCH SCH SCH
CHC OF PCPN (%).40 40 40 30 30 30 20 20 20 20 10 10
TEMP............79 76 74 70 67 66 65 65 64 61 60 59
RH..............61 66 70 83 89 95 98 91 91 98 90 90
20 FT WIND DIR..W W W NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..12 11 11 10 10 9 9 9 9 9 10 10
20 FT WIND GUST.26 25 23 22 20 20 20 21 21 21 21 22
MIX HGT (KFT)...4.4 3.5 1.2 0.5 0.5 0.5 0.7 1.8 2.1 0.6 0.5 0.5
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW N
TRANSP WIND SPD.26 25 20 17 17 17 20 20 21 20 17 17
SDSPL KT-FT/1000101 77 21 8 8 7 12 31 38 9 8 7
TUESDAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT) THEN BECOMING
MOSTLY SUNNY (40-50 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........44 PERCENT.
WIND (20 FT)........NORTH WINDS 9 TO 12 MPH WITH GUSTS TO AROUND 26
MPH.
MIXING HEIGHT.......2600 FT AGL INCREASING TO 5200 FT AGL.
TRANSPORT WINDS.....NORTH 17 TO 23 MPH.
SMOKE DISPERSAL.....FAIR TO GOOD (16600-35900 KNOT-FT) INCREASING
TO EXCELLENT (70800-79500 KNOT-FT).
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 MC MC PC PC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 0 0 0 0 0 0
TEMP............57 59 62 63 65 66 67 68 69 70 71 70
RH..............93 89 85 79 70 65 61 57 55 53 45 45
20 FT WIND DIR..NW NW NW N N N N N N N N NW
20 FT WIND SPD..10 11 11 11 11 11 11 11 11 10 10 9
20 FT WIND GUST.22 23 23 25 26 26 25 25 25 25 23 23
MIX HGT (KFT)...1.0 2.1 2.6 3.1 3.2 3.5 3.9 4.2 4.5 4.9 5.0 5.2
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.18 20 21 23 22 22 22 20 18 18 18 17
SDSPL KT-FT/100017 36 47 62 61 67 74 71 72 78 80 77
FORECASTER...JOE
REQUESTED BY...MIKE HANOWSKI
TYPE OF REQUEST...WILDFIRE
.TAG 2617791.0/DLH
.DELDT 07/20/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.HANOWSKI@STATE.MN.US
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page