037
FNUS73 KBIS 210930
FWSBIS
SPOT FORECAST FOR SCHNELL...BLM
NATIONAL WEATHER SERVICE BISMARCK ND
430 AM CDT TUE APR 21 2026
FORECAST IS BASED ON IGNITION TIME OF 0600 CDT ON APRIL 21.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SUNNY AND DRY CONDITIONS ARE EXPECTED AT THE BURN SITE TODAY, WITH TEMPERATURES
CLIMBING TO AROUND 80 DEGREES. MINIMUM HUMIDITY VALUES WILL DIP TO AROUND
21 PERCENT, WHILE SOUTHERLY WINDS INCREASE TO AROUND 13 TO 17 MPH WITH
GUSTS TO 22 MPH IN THE AFTERNOON.
SOUTHERLY WINDS CONTINUE OVERNIGHT BECOMING SOUTHEASTERLY TOWARDS MORNING.
HUMIDITY VALUES ARE ONLY EXPECTED TO RECOVER INTO THE UPPER 50S.
ANOTHER WARM DAY IS EXPECTED WEDNESDAY, THOUGH SOUTH TO SOUTHEAST
WINDS WILL BE STRONGER. LOW CHANCES FOR RAIN RETURN TO THE BURN SITE WEDNESDAY
NIGHT, WITH RAIN LIKELY BY THURSDAY AFTERNOON.
TODAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 14 MPH INCREASING TO 13 TO 17
MPH WITH GUSTS TO 22 MPH IN THE AFTERNOON.
MIXING HEIGHT.......8300 FT AGL.
TRANSPORT WINDS.....SOUTH 14 TO 22 MPH SHIFTING TO THE SOUTHWEST 20
TO 22 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4100 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (88400 KNOT-FT) IN THE
EARLY AFTERNOON INCREASING TO VERY GOOD (120500
KNOT-FT) LATE IN THE AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........28 12 16 13 6 4 3 5 6 6 8 12
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 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............42 43 44 50 55 60 65 70 73 76 78 80
RH..............67 69 68 58 51 46 40 34 30 26 23 21
20 FT WIND DIR..S S S S S S S S S S S S
20 FT WIND SPD..5 7 9 11 13 14 16 16 17 16 15 15
20 FT WIND GUST. 9 14 17 18 19 20 22 22 22 20 20
MIX HGT (KFT)...0.3 0.4 0.4 0.6 1.0 1.3 1.5 2.4 3.4 4.9 6.7 8.3
TRANSP WIND DIR.S S S S S S S S SW SW SW SW
TRANSP WIND SPD.14 14 15 18 20 21 21 22 22 21 21 20
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MIN TEMPERATURE.....AROUND 50.
MAX HUMIDITY........59 PERCENT.
WIND (20 FT)........SOUTH WINDS 10 TO 12 MPH BECOMING SOUTHEAST TOWARDS
MORNING.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 13 TO 17 MPH SHIFTING TO THE SOUTH 10
TO 16 MPH EARLY IN THE EVENING.
SMOKE DISPERSAL.....POOR.
WEDNESDAY
SKY/WEATHER.........PARTLY SUNNY.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........24 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 10 TO 17 MPH BECOMING SOUTH IN THE
AFTERNOON. GUSTS UP TO 28 MPH IN THE LATE MORNING
AND AFTERNOON.
MIXING HEIGHT.......4300 FT AGL.
TRANSPORT WINDS.....SOUTH 18 TO 28 MPH.
SMOKE DISPERSAL.....VERY GOOD.
FORECASTER...SCHILD
REQUESTED BY...NATE WIEDOW
TYPE OF REQUEST...PRESCRIBED
.TAG 2610816.1/BIS
.DELDT 04/21/26
.FORMATTERVERSION 2.0.0
.EMAIL NWIEDOW@BLM.GOV
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