620  
FNUS73 KMPX 081445  
FWSMPX  
 
SPOT FORECAST FOR RAS-LYNN WMA...MN DNR  
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN  
945 AM CDT FRI MAY 8 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 08.  
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH  
THIS FORECAST.  
   
DISCUSSION  
 
ELEVATED FIRE CONDITIONS ARE EXPECTED TODAY WITH RH FALLING NEAR  
20 PERCENT THIS AFTERNOON AS TEMPERATURES REACH THE LOW 70S. WINDS  
WILL BEGIN AT 10-15MPH OUT OF THE NORTHWEST INCREASING AS MIXING  
IMPROVES INTO THE AFTERNOON, SUSTAINED AROUND 15MPH WITH GUSTS  
INCREASING TO 20-25MPH. PEAK GUSTS MAY TREND A BIT HIGHER DUE TO  
EFFICIENT MIXING, HOWEVER MOST GUSTS SHOULD REMAIN WITHIN THAT  
25MPH WINDOW. WINDS ALOFT TREND WESTERLY AND INCREASE  
PROPORTIONALLY TO THE SURFACE WINDS.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
TEMPERATURE.........59 AT IGNITION...MAX 71.  
RH..................37 PERCENT AT IGNITION...MIN 19 PERCENT.  
WIND (20 FT)........WINDS NORTHWEST AT 12 MPH AT  
IGNITION...OTHERWISE NORTHWEST WINDS 12 TO 17  
MPH.  
SMOKE DISPERSAL.....EXCELLENT /63400 KNOT-FT/ AT IGNITION.  
MAX...EXCELLENT /120400 KNOT-FT/ INCREASING TO  
EXCELLENT (172700 KNOT-FT) IN THE AFTERNOON.  
MIXING HEIGHT.......4500 FT AGL AT IGNITION...OTHERWISE 9800 FT  
AGL.  
TRANSPORT WINDS.....WEST 16 TO 24 MPH INCREASING TO 25 TO 26 MPH  
LATE IN THE AFTERNOON.  
 
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P  
SKY COVER.......MCR MCR MCR PC PC MC MC PC PC PC MCR MCR  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............59 64 67 68 70 70 71 69 69 65 58 55  
RH..............37 28 22 21 19 21 20 22 23 26 37 41  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..12 13 14 15 16 17 17 15 14 12 9 8  
20 FT WIND GUST.20 21 22 23 24 25 26 24 22 20 17 14  
MIX HGT (KFT)...4.5 7.1 8.6 9.2 9.8 9.0 8.9 7.7 5.0 0.8 0.8 0.6  
TRANSP WIND DIR.W W W W W W W W NW NW NW NW  
TRANSP WIND SPD.16 20 23 24 26 25 25 24 23 18 18 15  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS AFTER 3 AM.  
TEMPERATURE.........MIN 44.  
RH..................MAX 76 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 15 MPH SHIFTING TO THE  
WEST AROUND 5 MPH OVERNIGHT, THEN BECOMING  
LIGHT OVERNIGHT BECOMING WEST AROUND 5 MPH  
AFTER 3 AM.  
SMOKE DISPERSAL.....EXCELLENT (99300 KNOT-FT) DECREASING TO POOR  
(3000 KNOT-FT) EARLY IN THE EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15 TO 24 MPH DECREASING TO 8 TO 12  
MPH LATE IN THE EVENING.  
   
SATURDAY  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS EARLY IN THE MORNING.  
TEMPERATURE.........MAX 60.  
RH..................MIN 32 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 6 TO 8 MPH SHIFTING TO THE  
NORTH 10 TO 16 MPH IN THE LATE MORNING AND  
AFTERNOON.  
SMOKE DISPERSAL.....POOR (6600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (91400 KNOT-FT) IN THE  
AFTERNOON INCREASING TO EXCELLENT (106600  
KNOT-FT) IN THE AFTERNOON.  
MIXING HEIGHT.......7100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 12 TO 21 MPH.  
 
 
FORECASTER...HASENSTEIN  
REQUESTED BY...TIM KOPPELMAN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2613153.0/MPX  
.DELDT 05/08/26  
.FORMATTERVERSION 2.0.0  
.EMAIL TIM.KOPPELMAN@STATE.MN.US  
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