956
FNUS73 KBIS 181415
FWSBIS
SPOT FORECAST FOR SCHNELL...BLM
NATIONAL WEATHER SERVICE BISMARCK ND
915 AM CDT SAT APR 18 2026
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 18.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
THIS AFTERNOON TEMPERATURES ARE FORECAST TO WARM AROUND THE MID 40S
BREEZY NORTHWEST WINDS AROUND 20 MPH WITH GUSTS AROUND 30 MPH COULD
LEAD TO A PERIOD OF NEAR CRITICAL FIRE WEATHER CONDITIONS. ALTHOUGH,
THE MINIMUM RELATIVE HUMIDITY IS FORECAST TO BE AROUND 40 PERCENT
THIS AFTERNOON. OVERNIGHT RECOVERIES ARE FORECAST TO BE EXCELLENT
TONIGHT AS LOW TEMPERATURES DROP INTO THE 20S. TOMORROW, TEMPERATURES
ARE FORECAST TO WARM INTO THE 50S WITH MINIMUM RELATIVE HUMIDITY IS
FORECAST TO AROUND 30 PERCENT. 20 FT WINDS ARE FORECAST AROUND 5 MPH
OUT OF THE SOUTHEAST.
EARLY NEXT WEEK TEMPERATURES ARE FORECAST TO WARM UP INTO THE 70S
MONDAY AND TUESDAY. MINIMUM RELATIVE HUMIDITY IS FORECAST TO BE AROUND
24 PERCENT MONDAY AND AROUND 28 PERCENT TUESDAY. WINDS ARE FORECAST TO
BE OUT OF THE NORTHWEST MONDAY AROUND 15 MPH WITH GUSTS UP TO 20 MPH.
MONDAY NIGHT WINDS WILL VEER OUT OF THE NORTHWEST TO THE SOUTHEAST.
TUESDAY MORNING WINDS WILL VEER OUT OF THE SOUTHEAST AROUND 5 MPH WITH
WINDS PICKING UP BY THE AFTERNOON HOURS OUT OF THE SOUTH AROUND 15 MPH
AND GUSTS UP TO 20 MPH.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY.
ISOLATED RAIN SHOWERS LATE IN THE AFTERNOON.
SCATTERED RAIN SHOWERS LATE IN THE AFTERNOON.
CWR.................7 PERCENT.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MAX TEMPERATURE.....AROUND 44.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 15 TO 21 MPH WITH GUSTS TO
AROUND 30 MPH.
MIXING HEIGHT.......6600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 22 TO 31 MPH.
SMOKE DISPERSAL.....POOR (27200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO VERY GOOD (124600 KNOT-FT) IN THE
AFTERNOON INCREASING TO VERY GOOD (136500
KNOT-FT) EARLY IN THE MORNING INCREASING TO
EXCELLENT (177300 KNOT-FT) IN THE AFTERNOON IN
THE AFTERNOON.
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........22 23 23 50 76 82 87 91 95
WEATHER COV..... ISO SCT
WEATHER TYPE.... RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 10 10
CHC OF PCPN (%).0 0 0 0 0 10 10 20 30
CHC OF THDR (%).0 0 0 0 0 0 0 10 10
TEMP............22 26 31 37 40 42 42 43 44
RH..............71 63 55 48 42 41 41 41 41
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW
20 FT WIND SPD..15 17 18 20 21 21 21 20 20
20 FT WIND GUST.22 25 26 27 28 28 30 30 28
MIX HGT (KFT)...1.4 2.0 3.4 4.8 6.0 6.4 6.6 6.6 5.5
TRANSP WIND DIR.NW NW NW NW NW NW NW NW NW
TRANSP WIND SPD.22 24 28 30 31 31 31 31 29
DISPR KT-FT/1K..27 43 83 125 163 173 177 177 137
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY CLOUDY.
SCATTERED RAIN SHOWERS EARLY IN THE EVENING,
THEN ISOLATED RAIN SHOWERS EARLY IN THE
EVENING.
CWR.................7 PERCENT.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF THUNDER...6 PERCENT.
MIN TEMPERATURE.....AROUND 24.
MAX HUMIDITY........88 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 9 TO 18 MPH WITH GUSTS TO
AROUND 27 MPH BECOMING LIGHT.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 17 TO 24 MPH BECOMING NORTH 5 TO 14
MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....GOOD (92600 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (1600 KNOT-FT) LATE IN THE
NIGHT.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........89 84 77 70 56 43 36 30 27 24 23 23
WEATHER COV.....SCT ISO
WEATHER TYPE....RW RW
TSTM COV........
CWR.............10 10 10 10 0 0 0 0 0 0 0 0
CHC OF PCPN (%).30 20 10 0 0 0 0 0 0 0 0 0
CHC OF THDR (%).10 0 0 0 0 0 0 0 0 0 0 0
TEMP............44 43 40 37 35 34 33 32 30 28 27 27
RH..............43 47 55 61 66 69 72 72 78 81 85 81
20 FT WIND DIR..NW NW NW NW NW NW NW NW NW NW N N
20 FT WIND SPD..18 16 14 11 9 8 7 7 6 6 6 4
20 FT WIND GUST.27 25 20 17 14 13 12 12 11 10 10 7
MIX HGT (KFT)...4.4 3.5 1.2 0.8 0.5 0.5 0.6 0.7 0.7 0.6 0.5 0.4
TRANSP WIND DIR.NW NW NW N N N N N N N N N
TRANSP WIND SPD.24 20 17 14 12 10 12 13 10 10 7 5
DISPR KT-FT/1K..93 60 18 9 5 4 6 8 6 5 3 2
SUNDAY
SKY/WEATHER.........SUNNY.
CWR.................0 PERCENT.
CHANCE OF PCPN......0 PERCENT.
CHANCE OF THUNDER...0 PERCENT.
MAX TEMPERATURE.....AROUND 51.
MIN HUMIDITY........34 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 5 MPH IN
THE LATE MORNING AND EARLY AFTERNOON, THEN
INCREASING TO 5 TO 7 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......4200 FT AGL.
TRANSPORT WINDS.....NORTH 5 TO 7 MPH SHIFTING TO THE SOUTHWEST
AROUND 8 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1600 KNOT-FT).
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........22 21 23 25 12 9 7 4 4 4 4 5
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 0
CHC OF THDR (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............25 25 26 29 33 37 40 43 46 48 49 51
RH..............88 88 88 78 66 56 50 45 40 39 37 34
20 FT WIND DIR..N N NE E SE SE SE SE SE SE SE SE
20 FT WIND SPD..4 4 4 5 5 5 5 5 5 5 6 7
20 FT WIND GUST.7 7 8 8 9 9 9 9 10 10 11 12
MIX HGT (KFT)...0.4 0.4 0.7 1.3 1.8 2.5 3.0 3.4 3.7 4.0 4.2 3.9
TRANSP WIND DIR.N NE NE N N N NW NW NW W SW SW
TRANSP WIND SPD.5 5 5 6 6 7 7 7 7 8 8 8
DISPR KT-FT/1K..2 2 3 6 9 15 18 21 23 26 30 29
FORECASTER...JOHNSON
REQUESTED BY...NATE WIEDOW
TYPE OF REQUEST...PRESCRIBED
.TAG 2610664.0/BIS
.DELDT 04/18/26
.FORMATTERVERSION 2.0.0
.EMAIL NWIEDOW@BLM.GOV
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