958  
FNUS76 KPQR 160022  
FWSPQR  
 
SPOT FORECAST FOR NORTH BOTTOMLANDS PRESCRIBED BURN...LANE COUNTY  
NATIONAL WEATHER SERVICE PORTLAND OR  
522 PM PDT TUE SEP 15 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 PDT ON SEPTEMBER 16.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
   
DISCUSSION
 
ASIDE FROM POTENTIAL SHALLOW GROUND FOG IN THE EARLY  
MORNING, EXPECT A DRY AND SUNNY DAY ON WEDNESDAY. THE MAIN CONCERN  
ON WEDNESDAY WILL BE INCREASING WINDS OUT OF THE NORTH IN THE  
AFTERNOON, WHICH IS WHEN PEAK WIND GUSTS AS HIGH AS 20-25 MPH ARE  
LIKELY (80% CHANCE).  
 
REMAINING DRY WEDNESDAY NIGHT AND THURSDAY WITH MOSTLY CLEAR SKIES  
AND LIGHTER WINDS.  
 
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY IN THE EARLY MORNING WITH PATCHY FOG  
POSSIBLE, BECOMING SUNNY BY 9-10 AM.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 79.  
MIN HUMIDITY........40-45 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTH 8 TO 13 MPH WITH  
GUSTS UP TO 22 MPH IN THE AFTERNOON.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....NORTH 3 TO 9 MPH INCREASING TO 15 TO 20 MPH IN  
THE AFTERNOON.  
 
TIME (PDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........52 36 26 5 3 2 3 6 7 4 5  
WEATHER COV.....PTY PTY  
WEATHER TYPE....FOG FOG  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0  
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0  
TEMP............47 49 53 58 62 67 70 74 76 77 79  
RH..............100 98 90 82 72 64 58 52 47 45 42  
20 FT WIND DIR..W W NW NW NW N N N N N N  
20 FT WIND SPD..1 1 2 3 4 7 9 10 12 12 11  
20 FT WIND GUST.2 4 4 6 7 10 15 20 22 22 21  
MIX HGT (KFT)...0.3 0.4 0.8 1.2 1.9 2.8 3.7 4.3 4.5 4.3 3.8  
TRANSP WIND DIR.N N N N NE N N NE N N N  
TRANSP WIND SPD.3 3 5 7 9 10 15 20 20 20 20  
 
   
WEDNESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MIN TEMPERATURE.....AROUND 49.  
MAX HUMIDITY........91 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS AROUND 10 MPH EARLY IN THE EVENING  
BECOMING LIGHT AND VARIABLE LESS THAN 5 MPH.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....NORTH 10-15 MPH, BECOMING NORTHEAST 3-8 MPH.  
 
TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........5 5 6 6 6 15 15 15 24 24 24 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............77 74 71 65 63 61 58 56 55 52 51 51  
RH..............47 51 59 66 70 73 78 82 84 87 89 90  
20 FT WIND DIR..N N N N N NE NE NE E E E SE  
20 FT WIND SPD..9 7 5 4 3 2 2 2 2 2 2 1  
20 FT WIND GUST.18 15 10 8 7 6 6 6 5 5 5 4  
MIX HGT (KFT)...2.4 0.9 0.4 0.3 0.3 0.3 0.4 0.4 0.2 0.3 0.3 0.3  
TRANSP WIND DIR.N N N N NE NE NE NE NE NE N NE  
TRANSP WIND SPD.15 15 10 9 8 6 5 5 5 5 3 3  
 
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
CWR.................0 PERCENT.  
CHANCE OF LIGHTNING.0 PERCENT.  
MAX TEMPERATURE.....AROUND 78.  
MIN HUMIDITY........48 PERCENT.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT AND VARIABLE WINDS AROUND 5 MPH OR LESS.  
MIXING HEIGHT.......3400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 3 MPH SHIFTING TO THE WEST  
LATE IN THE MORNING.  
 
TIME (PDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........6 6 15 15 15 21 21 21 18 18 18 21  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF LTNG (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............49 50 51 56 60 65 68 71 74 75 75 76  
RH..............92 92 90 84 75 67 61 57 54 50 48 48  
20 FT WIND DIR..SE SE SE SE SE W W W W W W W  
20 FT WIND SPD..1 1 2 2 2 2 2 2 4 4 4 4  
20 FT WIND GUST.4 4 4 4 4 4 4 4 7 7 7 7  
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3 1.9 1.9 1.9 3.4 3.4 3.4 3.3  
TRANSP WIND DIR.E SE SE SE SE W W W W W W W  
TRANSP WIND SPD.3 3 3 3 3 5 5 5 6 6 6 8  
 

 
FORECASTER...KRANZ  
REQUESTED BY...ED ALVERSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2621964.0/PQR  
.DELDT 09/15/26  
.FORMATTERVERSION 2.0.0  
.EMAIL EDWARD.ALVERSON@LANECOUNTYOR.GOV  
 
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