946  
FNUS73 KMPX 191037  
FWSMPX  
 
SPOT FORECAST FOR TWIN LAKES RX...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN  
537 AM CDT TUE MAY 19 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 19.  
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH  
THIS FORECAST.  
   
DISCUSSION  
FOR THE TWIN LAKE RX BURN, SKIES WILL BE OVERCAST TO  
MOSTLY CLOUDY WITH HIGHS REACHING THE UPPER 40S BY THIS AFTERNOON.  
THERE IS A RELATIVELY LOW CHANCE FOR SCATTED SPRINKLES FOR THE  
SECOND HALF OF TODAY. NW WINDS WILL REMAIN BREEZY WITH SUSTAINED  
20FT WILL HOLD STEADY AT OR ABOUT 15 MPH WITH GUSTS BETWEEN 23-25  
MPH. RH VALUES WILL START OFF IN THE MID 70 PERCENTS AND THEN FALL  
INTO THE UPPER 50 PERCENTS THIS AFTERNOON.  
   
REST OF TODAY  
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF SPRINKLES IN  
THE AFTERNOON.  
TEMPERATURE.........44 AT IGNITION...MAX 50.  
RH..................76 PERCENT AT IGNITION...MIN 56 PERCENT.  
WIND (20 FT)........WINDS NORTHWEST AT 15 MPH AT  
IGNITION...OTHERWISE NORTHWEST WINDS 15 TO 16  
MPH.  
SMOKE DISPERSAL.....GOOD /49600 KNOT-FT/ AT IGNITION.  
MAX...EXCELLENT /90200 KNOT-FT/.  
MIXING HEIGHT.......2600 FT AGL AT IGNITION...OTHERWISE 4300 FT  
AGL.  
TRANSPORT WINDS.....NORTHWEST 22 TO 24 MPH.  
 
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM  
SKY COVER.......CDY CDY CDY CDY CDY MC MC MC MC MC MC PC  
WEATHER COV..... CHC CHC CHC CHC CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............44 45 45 46 47 49 48 49 49 49 48 45  
RH..............76 73 73 68 65 61 60 58 58 56 58 63  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..15 15 15 16 16 16 15 15 14 13 9 6  
20 FT WIND GUST.23 23 23 24 24 24 23 23 21 20 14 9  
MIX HGT (KFT)...2.6 3.1 3.0 3.6 4.1 4.3 4.3 4.3 4.5 3.1 2.5 0.9  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.22 23 22 24 24 24 24 23 22 18 16 12  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
CLEAR (0-10 PERCENT). CHANCE OF SPRINKLES IN  
THE EVENING. AREAS OF FROST AFTER 3 AM.  
TEMPERATURE.........MIN 35.  
RH..................MAX 89 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 14 MPH IN THE EVENING  
BECOMING LIGHT.  
SMOKE DISPERSAL.....EXCELLENT (86300 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (1500 KNOT-FT) LATE IN THE  
NIGHT.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 16 TO 22 MPH DECREASING TO 6 TO 12  
MPH IN THE LATE EVENING AND OVERNIGHT.  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY (0-10 PERCENT). AREAS OF FROST EARLY IN  
THE MORNING.  
TEMPERATURE.........MAX 62.  
RH..................MIN 32 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
SMOKE DISPERSAL.....POOR (1200 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (49800 KNOT-FT) IN THE  
AFTERNOON.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 5 TO 6 MPH INCREASING TO 6 TO 8 MPH  
EARLY IN THE MORNING, THEN SHIFTING TO THE  
NORTHEAST AROUND 8 MPH EARLY IN THE AFTERNOON  
SHIFTING TO THE SOUTHWEST 6 TO 10 MPH IN THE  
AFTERNOON.  
 
 
FORECASTER...DUNLEAVY  
REQUESTED BY...BEN CARLSON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2614002.0/MPX  
.DELDT 05/19/26  
.FORMATTERVERSION 2.0.0  
.EMAIL BENJAMIN.CARLSON@TNC.ORG  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MN Page
The Nexlab WI Page
Main Text Page