418
FNUS73 KDLH 211014
FWSDLH
SPOT FORECAST FOR RACEK RX FIRE...MN DNR
NATIONAL WEATHER SERVICE DULUTH MN
514 AM CDT TUE APR 21 2026
FORECAST IS BASED ON IGNITION TIME OF 0930 CDT ON APRIL 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
SURFACE HIGH PRESSURE WILL BUILD INTO NORTHERN MN TODAY PROVIDING
LIGHT WINDS AND SUNNY SKIES. OVERNIGHT RH VALUES HAVE RECOVERED
NICELY, WITH 4 AM VALUES AROUND 70 PERCENT IN THE VICINITY OF THE
BURN LOCATION. BETTER MIXING IS EXPECTED TODAY WITH MIN RHS
EXPECTED TO DROP TO 15-20%. HIGH PRESSURE WILL MOVE OFF TO THE
EAST ON WEDNESDAY WITH SOUTHERLY FLOW RETURNING TO THE REGION. WE
COULD STILL SEE SOME LOW RHS ON WEDNESDAY ONCE AGAIN DESPITE THE
RETURN FLOW BEING SLIGHTLY MORE MOIST. MIN RHS AT THIS TIME LOOK
TO BE MORE IN THE 20-25% RANGE WITH SOUTHERLY WINDS GRADUALLY
INCREASING THROUGH THE DAY. BY THE AFTERNOON WE EXPECT TO SEE WIND
GUSTS OF AROUND 20 MPH.
TODAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........18 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 4500 FT AGL LATE IN
THE MORNING.
TRANSPORT WINDS.....NORTH 6 TO 12 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (3100-17200 KNOT-FT) INCREASING TO
FAIR TO GOOD (20300-33600 KNOT-FT) LATE IN THE
MORNING.
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......CLR CLR CLR CLR CLR CLR CLR CLR CLR CLR
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
TEMP............37 42 50 54 57 60 62 64 65 65
RH..............79 67 50 40 29 23 22 19 18 19
20 FT WIND DIR..N N N N N N N N N N
20 FT WIND SPD..4 5 5 5 5 5 5 5 4 4
20 FT WIND GUST.11 11 12 12 11 11 9 9 8 6
MIX HGT (KFT)...0.5 1.1 1.9 2.6 3.0 3.7 4.2 4.4 4.5 4.1
TRANSP WIND DIR.N N N N N N N N NW NW
TRANSP WIND SPD.10 12 10 10 9 9 9 8 8 6
SDSPL KT-FT/10005 11 17 23 24 30 34 31 31 20
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 36.
MAX HUMIDITY........70 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH.
MIXING HEIGHT.......3600 FT AGL DECREASING TO 1100 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 3 MPH SHIFTING TO THE NORTHEAST
EARLY IN THE EVENING, THEN SHIFTING TO THE
SOUTHEAST 6 TO 13 MPH EARLY IN THE EVENING.
SMOKE DISPERSAL.....POOR (2500-10900 KNOT-FT).
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......CLR CLR MCR MCR MCR MCR MCR MCR 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............64 62 59 52 48 46 43 42 41 39 38 38
RH..............22 26 36 44 49 49 60 60 62 67 70 70
20 FT WIND DIR..E E SE SE SE SE SE SE SE SE SE SE
20 FT WIND SPD..3 2 2 3 3 3 4 4 4 4 5 5
20 FT WIND GUST.5 5 5 5 6 6 7 8 9 9 11 11
MIX HGT (KFT)...3.6 1.1 0.5 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.N NE SE SE SE S S S SE SE S S
TRANSP WIND SPD.3 3 6 8 8 9 9 10 12 12 13 13
SDSPL KT-FT/100011 3 3 3 3 3 3 3 4 4 4 4
WEDNESDAY
SKY/WEATHER.........SUNNY (15-25 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........22 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 TO 10 MPH.
MIXING HEIGHT.......2300 FT AGL INCREASING TO 3300 FT AGL IN THE
AFTERNOON.
TRANSPORT WINDS.....SOUTH 13 TO 18 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (4300-20200 KNOT-FT) INCREASING TO
GOOD (36500-52300 KNOT-FT).
PCPN AMOUNT.........0.00 INCHES.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MCR MCR MCR MCR MCR MCR MCR MCR MCR MCR PC PC
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............36 39 43 50 57 62 66 69 72 73 74 73
RH..............69 67 55 44 34 27 24 23 22 22 22 23
20 FT WIND DIR..S S S S S S S S S SE SE SE
20 FT WIND SPD..5 5 6 6 7 8 9 9 10 10 10 10
20 FT WIND GUST.11 12 13 14 14 15 15 16 16 18 18 18
MIX HGT (KFT)...0.4 0.4 0.6 1.0 1.4 1.9 2.3 2.7 3.1 3.3 3.2 2.4
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.13 13 13 14 16 17 17 17 18 18 18 17
SDSPL KT-FT/10004 5 7 12 20 28 35 40 49 52 50 37
FORECASTER...LINDA
REQUESTED BY...JOSHUA KOELSCH
TYPE OF REQUEST...PRESCRIBED
.TAG 2611023.2/DLH
.DELDT 04/21/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSHUA.KOELSCH@STATE.MN.US
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