610
FNUS73 KDLH 141054
FWSDLH
SPOT FORECAST FOR SPEAR LAKE PRESCRIBED FIRE...USFS
NATIONAL WEATHER SERVICE DULUTH MN
554 AM CDT THU MAY 14 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 14.
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
SOUTHEASTERLY WINDS WILL BE GUSTY TO 25 MPH TODAY AHEAD OF A WARM
FRONTAL PASSAGE THIS EVENING OR EARLY OVERNIGHT. DUE TO LAKE
SUPERIOR INFLUENCE, RH VALUES SHOULD STAY ABOVE 40 PERCENT, BUT
AREAS WHICH HAVE A MORE SOUTHERLY EXPOSURE WITH SUNSHINE MAY DIP
INTO THE UPPER 30S FOR A SHORT WHILE THIS AFTERNOON.
SCATTERED HIGH-BASED RAIN SHOWERS AND AN ISOLATED THUNDERSTORM
PASS OVERHEAD THIS EVENING AND OVERNIGHT. MOST PLACES WILL ONLY
SEE A TRACE TO A FEW HUNDREDTHS OF AN INCH OF RAINFALL, BUT A FEW
LUCKY SPOTS MAY GET A TENTH TO MAYBE A QUARTER-INCH. EXPECT GUSTY
AND ERRATIC WINDS NOT ONLY NEAR THUNDERSTORMS, BUT ALSO NEAR ANY
RAIN SHOWERS GIVEN THE HIGH-BASED NATURE OF THESE SHOWERS AND DRY
AIR BELOW.
CRITICAL TO NEAR CRITICAL FIRE WEATHER CONDITIONS ARE AHEAD FOR
FRIDAY. WEST WINDS ON FRIDAY WILL BE SUSTAINED 10 TO 20 MPH AND
GUST UP TO 30 MPH WITH RELATIVE HUMIDITY VALUES DROPPING AS LOW AS
25 PERCENT.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). AREAS OF FROST
EARLY IN THE MORNING.
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........40 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 13 MPH WITH
GUSTS TO AROUND 25 MPH.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 3400 FT AGL LATE IN
THE MORNING.
TRANSPORT WINDS.....SOUTH 12 TO 21 MPH INCREASING TO 23 TO 28 MPH
IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (4300-19300 KNOT-FT) INCREASING TO
GOOD TO EXCELLENT (32100-70800 KNOT-FT).
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR MCR MCR MCR PC PC PC PC PC MC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
TEMP............44 48 52 54 56 57 57 58 58 57
RH..............68 58 52 47 43 43 43 40 42 42
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..5 6 10 10 10 11 11 12 12 11
20 FT WIND GUST.14 15 18 20 21 22 23 25 25 25
MIX HGT (KFT)...0.8 1.4 2.1 3.1 3.4 3.4 3.2 2.7 2.0 1.5
TRANSP WIND DIR.S S S S S S S S SE SE
TRANSP WIND SPD.14 16 20 21 23 24 25 26 28 25
SDSPL KT-FT/10009 19 36 55 68 71 71 62 48 32
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
PARTLY CLOUDY (40-50 PERCENT). CHANCE OF RAIN
SHOWERS IN THE EVENING. SLIGHT CHANCE OF RAIN
SHOWERS OVERNIGHT.
CHANCE OF PCPN......40 PERCENT.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 10 MPH SHIFTING TO THE
SOUTHWEST 9 TO 10 MPH OVERNIGHT. GUSTS UP TO 28
MPH.
MIXING HEIGHT.......1100 FT AGL.
TRANSPORT WINDS.....SOUTH 15 TO 23 MPH SHIFTING TO THE SOUTHWEST 20
TO 23 MPH OVERNIGHT.
SMOKE DISPERSAL.....POOR TO FAIR (8000-22200 KNOT-FT).
PCPN AMOUNT.........0.04 INCHES.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......MC MC MC MC CDY MC MC MC MC MC MC PC
WEATHER COV..... CHC CHC CHC CHC CHC SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........
CHC OF PCPN (%).0 40 40 40 30 30 20 10 10 0 0 0
TEMP............55 52 49 48 48 49 49 49 50 50 48 50
RH..............43 50 58 71 83 83 89 86 83 86 93 83
20 FT WIND DIR..SE SE SE SE S S S S S S SW SW
20 FT WIND SPD..10 10 10 10 10 10 10 10 10 9 9 9
20 FT WIND GUST.23 22 21 22 23 23 25 25 25 25 25 23
MIX HGT (KFT)...1.1 0.6 0.6 0.8 1.0 0.9 0.9 0.7 0.7 0.8 0.7 0.7
TRANSP WIND DIR.SE SE S S S S S S SW SW SW SW
TRANSP WIND SPD.23 16 15 18 21 21 21 21 23 22 20 21
SDSPL KT-FT/100022 8 8 12 19 16 16 13 14 16 11 12
FORECASTER...LINDA
REQUESTED BY...MICHAEL CROOK
TYPE OF REQUEST...PRESCRIBED
.TAG 2613594.0/DLH
.DELDT 05/14/26
.FORMATTERVERSION 2.0.0
.EMAIL MICHAEL.CROOK@USDA.GOV
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