478  
FNUS73 KMPX 011143  
FWSMPX  
 
SPOT FORECAST FOR STAFFANSON EAST...THE NATURE CONSERVANCY  
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN  
643 AM CDT THU MAY 1 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 01.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT OUR OFFICE IF YOU HAVE QUESTIONS OR CONCERNS WITH  
THIS FORECAST.  
   
DISCUSSION
 
CLOUDS WILL INCREASE AND A BAND OF SHOWERS WILL COME  
THROUGH LATER THIS MORNING BEFORE MOVING OUT THIS AFTERNOON.  
HUMIDITY WILL REMAIN MODERATE OR SOMEWHAT HIGH AS TEMPERATURES  
CLIMB INTO THE UPPER 50S THIS AFTERNOON.  
   
REST OF TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS EARLY IN THE AFTERNOON, THEN  
CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.  
SLIGHT CHANCE OF RAIN SHOWERS LATE IN THE  
AFTERNOON.  
TEMPERATURE.........56 AT IGNITION...MAX 59.  
RH..................69 PERCENT AT IGNITION...MIN 64 PERCENT.  
WIND (20 FT)........WINDS NORTH AT 16 MPH AT IGNITION...OTHERWISE  
NORTH WINDS 16 TO 18 MPH.  
SMOKE DISPERSAL.....GOOD /43000 KNOT-FT/ AT IGNITION.  
MAX...EXCELLENT /60800 KNOT-FT/.  
MIXING HEIGHT.......2000 FT AGL AT IGNITION...OTHERWISE 3200 FT  
AGL.  
TRANSPORT WINDS.....NORTH 21 TO 24 MPH.  
 
TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P  
SKY COVER.......MC MC MC MC MC MC MC PC PC MC MC PC  
WEATHER COV.....SCH SCH CHC CHC CHC SCH SCH SCH CHC  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW  
TSTM COV........  
TEMP............56 56 56 58 57 57 57 56 53 51 50 49  
RH..............69 69 69 64 67 64 64 66 71 77 77 80  
20 FT WIND DIR..N N N N N N N N N N N N  
20 FT WIND SPD..16 17 18 18 18 17 16 15 14 12 10 10  
20 FT WIND GUST.23 24 24 25 25 24 23 21 20 17 15 15  
MIX HGT (KFT)...2.0 2.3 2.7 2.7 2.5 3.2 2.3 2.2 0.9 0.6 0.6 0.5  
TRANSP WIND DIR.N N N N N N N N N N N N  
TRANSP WIND SPD.24 23 22 21 22 22 20 17 14 13 13 12  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS EARLY IN THE EVENING.  
TEMPERATURE.........MIN 41.  
RH..................MAX 89 PERCENT.  
WIND (20 FT)........NORTH WINDS 9 TO 16 MPH.  
SMOKE DISPERSAL.....GOOD (39700 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (5000 KNOT-FT) LATE IN THE  
NIGHT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....NORTH 12 TO 20 MPH.  
   
FRIDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING  
SUNNY (20-30 PERCENT).  
TEMPERATURE.........MAX 58.  
RH..................MIN 45 PERCENT.  
WIND (20 FT)........NORTH WINDS 12 TO 15 MPH.  
SMOKE DISPERSAL.....POOR (10600 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (78300 KNOT-FT) IN THE  
AFTERNOON.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
 

 
FORECASTER...BORGHOFF  
REQUESTED BY...ERIC HOFF  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2512446.0/MPX  
.DELDT 05/01/25  
.FORMATTERVERSION 2.0.0  
.EMAIL EHOFF@TNC.ORG  
 
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