237
FNUS75 KCYS 150141
FWSCYS
SPOT FORECAST FOR CHADRON FIRE...CHADRON FIRE
NATIONAL WEATHER SERVICE CHEYENNE WY
741 PM MDT THU MAY 14 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
..RED FLAG WARNING IN EFFECT UNTIL 7 PM MDT FRIDAY
DISCUSSION
CLEAR SKIES WILL DOMINATE OVER THE LANDSCAPE FOR THE NEXT 24 HOURS
OR SO. MIN RH VALUES SHOULD BE AT THEIR LOWEST AND WILL RECOVERY
OVERNIGHT TO AROUND 47 PERCENT. NORTH WINDS UP TO 15 MPH WILL
GRADUALLY DECREASE TONIGHT TO BECOME GENERALLY LIGHT AND VARIABLE
TO AROUND 5 MPH. AS THESE WINDS DECREASE, SMOKE DISPERSAL WILL
BECOME POOR. CHANCES OF WETTING RAINS ARE ZERO, SO THERE WILL BE
NO HELP IN CONTAINMENT FROM ANY PRECIPITATION.
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
CWR.................0 PERCENT.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........38 PERCENT.
WIND (20 FT)........NORTH WINDS 12 TO 13 MPH SHIFTING TO THE
NORTHEAST 7 TO 8 MPH LATE IN THE EVENING, THEN
SHIFTING TO THE EAST AROUND 5 MPH LATE IN THE
EVENING BECOMING LIGHT OVERNIGHT BECOMING
SOUTHWEST AROUND 5 MPH.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTH 14 TO 16 MPH SHIFTING TO THE SOUTH 9 TO
10 MPH AFTER 3 AM.
SMOKE DISPERSAL.....POOR (3300 KNOT-FT).
HAINES INDEX........MISSING.
TIME (MDT) 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........29 16 10 6 3 3 2 4 3 3 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............76 69 63 59 56 54 53 52 49 48 48
RH..............10 15 18 19 23 30 31 32 36 37 37
20 FT WIND DIR..NW N NE E E SE SE SE S S SW
20 FT WIND SPD..13 12 8 7 5 2 2 2 2 3 5
20 FT WIND GUST.23 21 16 13 8 6 5 5 6 7 8
MIX HGT (KFT)...0.7 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.5 0.4 0.4
TRANSP WIND DIR.N N NE E E E SE S S S SW
TRANSP WIND SPD.16 14 10 8 9 9 8 9 10 9 9
HAINES INDEX....M M M M M M M M M M M
SDSPL KT-FT/10009 6 4 4 4 4 3 4 4 3 3
FRIDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........10 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH SHIFTING TO THE
WEST 10 TO 12 MPH IN THE AFTERNOON.
MIXING HEIGHT.......9700 FT AGL INCREASING TO 12000 FT AGL LATE IN
THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST AROUND 8 MPH INCREASING TO WEST 20 TO
24 MPH.
SMOKE DISPERSAL.....POOR (3200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (78700 KNOT-FT) IN THE
AFTERNOON INCREASING TO EXCELLENT (183700
KNOT-FT).
HAINES INDEX........MISSING.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........5 7 5 6 4 3 4 9 12 8 13 20
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............47 53 58 64 69 71 73 75 77 78 79 79
RH..............38 33 29 24 20 18 15 14 12 11 10 11
20 FT WIND DIR..SW SW SW W W W W W W W NW NW
20 FT WIND SPD..6 6 7 8 9 10 10 12 12 12 12 12
20 FT WIND GUST.9 12 13 15 16 18 20 21 22 22 23 23
MIX HGT (KFT)...0.5 0.5 1.4 2.6 4.0 6.1 8.1 9.7 11 12 12 11
TRANSP WIND DIR.SW NW NW NW W W W W W W W W
TRANSP WIND SPD.8 8 10 12 12 15 20 22 23 24 22 20
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/10003 3 13 26 40 79 138 184 217 253 222 184
FRIDAY NIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).
CWR.................2 PERCENT.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........44 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 12 TO 13 MPH SHIFTING TO THE
NORTHEAST 6 TO 13 MPH IN THE LATE EVENING AND
OVERNIGHT.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST AROUND 15 MPH SHIFTING TO THE NORTHEAST 9
TO 18 MPH EARLY IN THE EVENING.
SMOKE DISPERSAL..... VERY GOOD (104000 KNOT-FT) EARLY IN THE
EVENING DECREASING TO POOR (4700 KNOT-FT) LATE
IN THE NIGHT DECREASING TO POOR (4000 KNOT-FT)
AFTER 3 AM.
HAINES INDEX........MISSING.
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........40 45 45 50 49 35 26 21 31 20 12 12
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............78 75 70 66 63 61 59 56 55 52 50 49
RH..............11 13 16 19 24 30 33 37 37 41 44 44
20 FT WIND DIR..NW NW NW N N NE NE NE NE NE NE NE
20 FT WIND SPD..12 13 13 13 13 13 12 12 9 8 7 6
20 FT WIND GUST.23 23 24 24 24 23 22 21 17 15 12 10
MIX HGT (KFT)...8.0 0.8 0.6 0.5 0.5 0.6 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.W N E E NE NE NE NE NE NE NE NE
TRANSP WIND SPD.15 16 16 16 16 16 17 18 16 12 9 9
HAINES INDEX....M M M M M M M M M M M M
SDSPL KT-FT/1000104 11 8 7 8 9 8 8 7 5 4 4
FORECASTER...ZAWISLAK
REQUESTED BY...CHADRON DISPATCH
TYPE OF REQUEST...WILDFIRE
.TAG 2613645.1/CYS
.DELDT 05/14/26
.FORMATTERVERSION 2.0.0
.EMAIL E911@CHADRONPD.COM,COORDINATOR@REGION23EM.ORG
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