450
FNUS73 KDLH 121621
FWSDLH
SPOT FORECAST FOR NWS BLOCK A...USFS
NATIONAL WEATHER SERVICE DULUTH MN
1121 AM CDT TUE MAY 12 2026
FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 12.
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
CLOUDS ARE EXPECTED TO INCREASE THIS AFTERNOON WITH CHANCES FOR
SHOWERS DEVELOPING. RH VALUES SHOULD BE CLOSE TO THEIR DAILY
MINIMUMS CURRENTLY WITH VALUES INCREASING DURING THE AFTERNOON AS
SKIES BECOME MOSTLY CLOUDY. HIGHS WILL BE IN THE MIDDLE 60S WITH
WINDS SHIFTING TO THE NORTHWEST OVER THE NEXT HOUR OR SO AT 6 TO
12 MPH WITH GUSTS TO 20 MPH THROUGH THE AFTERNOON. WEDNESDAY WILL
SEE DECREASING CLOUDS WITH DRY CONDITIONS. HIGHS WILL REACH INTO
THE LOWER 60S WITH AFTERNOON RH VALUES FALLING TO AROUND 40%.
WINDS WILL BE FROM THE NORTHWEST AT 5 TO 15 MPH.
REST OF TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT) THEN BECOMING MOSTLY
CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS THROUGH THE DAY.
CHANCE OF PCPN......50 PERCENT.
MAX TEMPERATURE.....AROUND 64.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........SOUTH WINDS 7 TO 9 MPH WITH GUSTS TO AROUND 20
MPH SHIFTING TO THE NORTHWEST 8 TO 9 MPH WITH
GUSTS TO AROUND 19 MPH IN THE AFTERNOON.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 4000 FT AGL IN THE
LATE MORNING AND AFTERNOON, THEN DECREASING TO
1700 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTH 14 TO 18 MPH SHIFTING TO THE NORTHWEST 16
TO 17 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (8400-23100 KNOT-FT) INCREASING TO
FAIR TO EXCELLENT (23500-63200 KNOT-FT).
PCPN AMOUNT.........0.03 INCHES.
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR PC MC MC MC MC
WEATHER COV..... SCH CHC CHC CHC
WEATHER TYPE.... RW RW RW RW
TSTM COV........
CHC OF PCPN (%).10 10 10 20 30 40 30
TEMP............64 62 59 57 59 53 52
RH..............38 44 50 57 51 59 61
20 FT WIND DIR..SW W NW NW NW N N
20 FT WIND SPD..9 9 8 8 8 7 7
20 FT WIND GUST.16 19 16 16 16 16 16
MIX HGT (KFT)...3.5 4.0 3.3 2.3 2.1 2.2 1.7
TRANSP WIND DIR.SW W W NW NW NW NW
TRANSP WIND SPD.16 18 18 17 16 16 16
SDSPL KT-FT/100050 63 53 34 29 31 24
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN
SHOWERS EARLY IN THE EVENING, THEN SLIGHT
CHANCE OF RAIN SHOWERS IN THE EVENING.
CHANCE OF PCPN......30 PERCENT.
MIN TEMPERATURE.....AROUND 40.
MAX HUMIDITY........86 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH. GUSTS UP TO 20 MPH
EARLY IN THE EVENING.
MIXING HEIGHT.......1400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 15 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (7000-18600 KNOT-FT).
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 MC MC MC MC MC MC MC MC
WEATHER COV.....CHC SCH SCH SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).30 20 20 20 20 20 20 10 10 10 10 10
TEMP............51 47 46 44 42 42 42 41 41 40 39 39
RH..............63 74 76 76 86 82 82 86 89 92 96 96
20 FT WIND DIR..N N N NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..6 6 6 5 5 5 4 4 4 4 4 5
20 FT WIND GUST.18 18 16 14 13 13 14 14 14 14 13 13
MIX HGT (KFT)...1.3 1.4 1.4 0.7 1.4 0.9 0.8 0.8 0.8 0.8 0.9 1.0
TRANSP WIND DIR.N NW NW NW NW NW N N N N N N
TRANSP WIND SPD.15 14 15 13 15 13 12 12 10 10 12 12
SDSPL KT-FT/100017 17 19 8 18 9 8 8 7 8 9 10
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING
SUNNY (10-20 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 6 TO 8 MPH.
MIXING HEIGHT.......2700 FT AGL INCREASING TO 6200 FT AGL.
TRANSPORT WINDS.....NORTH 12 TO 17 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (8800-26700 KNOT-FT) INCREASING TO
GOOD TO EXCELLENT (58500-86700 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 PC PC MCR MCR MCR CLR 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............39 40 43 45 50 52 53 55 58 59 59 61
RH..............96 96 86 82 68 63 59 55 47 45 44 42
20 FT WIND DIR..NW NW NW NW NW NW N N N N N N
20 FT WIND SPD..5 5 6 6 7 7 7 7 7 6 5 4
20 FT WIND GUST.13 13 14 14 14 14 14 14 14 14 13 12
MIX HGT (KFT)...0.9 1.2 2.1 2.7 3.3 3.7 4.5 5.1 6.1 6.2 5.5 4.9
TRANSP WIND DIR.N N N N N N N N N N N N
TRANSP WIND SPD.12 13 15 17 17 17 17 17 16 16 15 14
SDSPL KT-FT/10009 13 27 40 50 56 67 77 86 87 71 59
FORECASTER...BRYAN
REQUESTED BY...VANCE HAZELTON
TYPE OF REQUEST...PRESCRIBED
.TAG 2613417.1/DLH
.DELDT 05/12/26
.FORMATTERVERSION 2.0.0
.EMAIL VANCE.HAZELTON@USDA.GOV
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