981  
FNUS73 KBIS 231148  
FWSBIS  
 
SPOT FORECAST FOR BISMARCK PMC...USDA-NRCS  
NATIONAL WEATHER SERVICE BISMARCK ND  
648 AM CDT WED APR 23 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON APRIL 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
OVERCAST CONDITIONS ARE PRESENT OVER BISMARCK THIS MORNING, WITH  
CLOUD COVERAGE EXPECTED TO REMAIN MOSTLY CLOUDY THROUGH NOON.  
WINDS TODAY ARE GENERALLY EXPECTED TO BE OUT OF THE NORTHWEST AT  
AROUND 5 TO 10 MPH, WITH A MINIMUM RELATIVE HUMIDITY AROUND 34  
PERCENT. GIVEN THE CONTINUED CLOUDY SKIES THROUGH MUCH OF THE  
FORECAST PERIOD, SMOKE DISPERSAL WILL ONLY BE GOOD/FAIR IN THE  
AFTERNOON HOURS. OVERNIGHT, HUMIDITY VALUES WILL RECOVER TO AROUND  
85 PERCENT, LOW TEMPERATURES AROUND 33 DEGREES, WITH LIGHT WINDS.  
ON THURSDAY, CLOUDS WILL RETURN, WITH MINIMUM RELATIVE HUMIDITY  
VALUES AROUND 38 PERCENT. SLIGHT CHANCES FOR RAIN SHOWERS RETURN  
IN THE EVENING.  
   
REST OF TODAY  
 
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......0 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 56.  
MIN HUMIDITY........34 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS AROUND 5 TO 10 MPH.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 14 TO 20 MPH DECREASING TO AROUND 10  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (15100 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (60300 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........82 87 84 69 62 50 39 40 33 39  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0  
TEMP............32 37 39 43 46 48 51 53 54 55  
RH..............81 72 70 60 53 47 42 39 36 35  
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW N  
20 FT WIND SPD..11 10 8 8 8 8 8 8 7 7  
20 FT WIND GUST.12 13 13 13 13 13 13 13 12 10  
MIX HGT (KFT)...1.2 2.7 3.0 3.3 3.8 4.1 4.5 4.9 5.4 5.6  
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.15 20 20 20 18 16 15 14 10 10  
DISPR KT-FT/1K..15 46 51 55 60 57 58 59 49 51  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN  
BECOMING PARTLY CLOUDY.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......10 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MIN TEMPERATURE.....AROUND 33.  
MAX HUMIDITY........85 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 9 MPH SHIFTING TO THE EAST AROUND 8  
MPH AFTER 3 AM.  
SMOKE DISPERSAL.....FAIR (43900 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (3100 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........43 59 63 60 50 50 34 33 34 35 37 46  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 10  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............55 54 52 48 46 43 42 40 39 37 36 35  
RH..............35 36 41 47 53 60 62 70 73 79 85 85  
20 FT WIND DIR..N N N NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..6 5 5 4 4 4 4 4 3 3 3 2  
20 FT WIND GUST.10 8 7 6 6 6 7 7 6 6 6 5  
MIX HGT (KFT)...5.5 5.1 2.3 0.7 0.6 0.5 0.5 0.5 0.5 0.5 0.4 0.4  
TRANSP WIND DIR.NW N N N NE NE NE E E E E E  
TRANSP WIND SPD.9 7 5 6 7 8 8 8 8 8 8 8  
DISPR KT-FT/1K..44 31 9 4 4 3 3 3 3 3 3 3  
   
THURSDAY  
 
SKY/WEATHER.........PARTLY SUNNY, BECOMING MOSTLY CLOUDY. CHANCE  
OF RAIN SHOWERS IN THE AFTERNOON.  
CWR.................0 PERCENT.  
CHANCE OF PCPN......30 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........38 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 10 MPH.  
MIXING HEIGHT.......5500 FT AGL.  
TRANSPORT WINDS.....EAST 7 TO 9 MPH SHIFTING TO THE NORTHEAST  
AROUND 8 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (2700 KNOT-FT).  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........50 62 70 70 66 78 77 76 76 75 75 75  
WEATHER COV..... CHC CHC CHC CHC CHC  
WEATHER TYPE.... RW RW RW RW RW  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
CHC OF PCPN (%).10 10 10 10 10 10 10 30 30 30 30 30  
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............34 34 37 41 45 48 51 53 54 55 55 55  
RH..............89 89 82 73 65 58 52 46 43 41 40 39  
20 FT WIND DIR..NE E E E E E E E E NE NE NE  
20 FT WIND SPD..2 2 2 3 4 4 5 5 6 6 7 7  
20 FT WIND GUST.5 5 5 5 6 7 8 9 10 11 11 11  
MIX HGT (KFT)...0.5 0.5 0.6 0.9 1.8 2.8 3.6 4.4 4.8 5.1 5.5 4.8  
TRANSP WIND DIR.E E E SE E E E E NE NE NE NE  
TRANSP WIND SPD.8 7 8 7 9 9 8 7 7 7 8 8  
DISPR KT-FT/1K..3 3 5 5 15 22 25 27 29 33 38 35  
 
 
FORECASTER...BESSON  
REQUESTED BY...LUCAS SCHMIESING  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2511475.0/BIS  
.DELDT 04/23/25  
.FORMATTERVERSION 2.0.0  
.EMAIL LUCAS.SCHMIESING@USDA.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab ND Page
Main Text Page