826
FNUS75 KCYS 171115
FWSCYS
SPOT FORECAST FOR CHADRON CREEK RX...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE CHEYENNE WY
515 AM MDT TUE MAR 17 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
...FIRE WEATHER WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
SATURDAY EVENING...
DISCUSSION
SOUTH-SOUTHWESTERLY WINDS AROUND 10 TO 15MPH, GUSTING UP TO 25MPH, ARE
EXPECTED TO CONTINUE THROUGH THE MORNING AND SLOWLY TURN MORE WESTERLY BY
8AM THIS MORNING. WINDS WILL INCREASE THROUGH THE DAY, BECOMING NORTHWESTERLY
AT 20 TO 25MPH, GUSTING TO 40 TO 45MPH, BY NOON TODAY. WINDS FINALLY BEGIN
TO DECREASE BY 9PM THIS EVENING, BECOMING NORTHWESTERLY AROUND 10 TO 15 MPH.
AFTERNOON HUMIDITY WILL BE POOR, IN THE 25 TO 30 PERCENT RANGE THROUGH THE
AFTERNOON AND EARLY EVENING HOURS. OVERNIGHT RECOVERIES WILL BE DECENT,
AROUND 60 TO 65 PERCENT. WEDNESDAY IS EXPECTED TO BE MUCH DRIER, WITH
AFTERNOON HUMIDITY DECREASING TO 20 TO 25 PERCENT WITH WEST-NORTHWESTERLY
WINDS 10 TO 15MPH GUSTING UP TO 30MPH. WINDS BECOME LIGHT AND VARIABLE IN
THE EVENING, WITH DECENT OVERNIGHT HUMIDITY RECOVERIES INTO THE 60 TO 65
PERCENT RANGE. VERY DRY CONDITIONS WITH POOR OVERNIGHT RECOVERIES EXPECTED
FOR THURSDAY ONWARDS. NO PRECIPITATION IS EXPECTED AT THIS TIME WITH WELL
ABOVE AVERAGE TEMPERATURES AND MOSTLY CLEAR SKIES. FIRE WEATHER WATCHES ARE
IN EFFECT FROM 10AM WEDNESDAY THROUGH 8PM SATURDAY. AN UPGRADE TO RED FLAG
WARNINGS IS EXPECTED WITHIN THE NEXT 24 HOURS.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
CWR.................2 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........27 PERCENT.
WIND (20 FT)........WEST WINDS 10 TO 17 MPH SHIFTING TO THE
NORTHWEST 20 TO 22 MPH WITH GUSTS TO AROUND 41
MPH IN THE AFTERNOON.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....WEST 20 TO 24 MPH INCREASING TO NORTHWEST 36 TO
43 MPH.
SMOKE DISPERSAL.....POOR (6600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (74500 KNOT-FT) IN THE
AFTERNOON INCREASING TO VERY GOOD (110900
KNOT-FT) EARLY IN THE MORNING INCREASING TO
EXCELLENT (177500 KNOT-FT) IN THE AFTERNOON
EARLY IN THE AFTERNOON, THEN INCREASING TO
EXCELLENT (191100 KNOT-FT) LATE IN THE
AFTERNOON DECREASING TO VERY GOOD (129400
KNOT-FT) LATE IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........60 48 42 44 35 29 38 33 36 30 39 47
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............40 41 42 46 51 55 57 61 62 63 65 63
RH..............61 64 67 60 50 43 38 33 30 29 27 30
20 FT WIND DIR..W W W W W NW NW NW NW NW NW NW
20 FT WIND SPD..10 12 13 13 15 17 16 20 21 22 22 21
20 FT WIND GUST.20 22 23 25 28 32 32 36 40 41 41 39
MIX HGT (KFT)...0.4 0.4 0.4 0.5 1.4 2.6 4.0 5.2 5.9 6.5 5.6 4.2
TRANSP WIND DIR.W W W W NW NW NW NW NW NW NW NW
TRANSP WIND SPD.20 22 21 22 24 33 32 39 41 43 39 36
SDSPL KT-FT/10007 7 7 10 29 75 111 178 214 242 191 129
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT). PATCHY BLOWING
DUST EARLY IN THE EVENING.
CWR.................1 PERCENT.
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........67 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 12 TO 21 MPH WITH GUSTS TO
AROUND 37 MPH SHIFTING TO THE WEST 7 TO 10 MPH
LATE IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....NORTHWEST 17 TO 26 MPH SHIFTING TO THE WEST
AROUND 16 MPH AFTER 3 AM.
SMOKE DISPERSAL.....POOR (5100 KNOT-FT).
TIME (MDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........58 65 63 69 63 50 33 24 19 20 14 14
WEATHER COV.....PTY PTY PTY
WEATHER TYPE....BDT BDT BDT
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............62 59 54 52 51 49 49 47 46 45 43 43
RH..............32 36 43 46 48 52 54 58 60 63 65 65
20 FT WIND DIR..NW NW NW NW NW W W W W W W W
20 FT WIND SPD..21 16 15 13 12 10 10 9 9 9 9 7
20 FT WIND GUST.37 32 26 24 21 18 18 16 17 17 16 15
MIX HGT (KFT)...1.3 0.6 0.6 1.0 1.0 0.8 0.5 0.4 0.4 0.4 0.4 0.4
TRANSP WIND DIR.NW NW NW NW NW NW NW NW W W W W
TRANSP WIND SPD.26 22 21 20 17 17 18 18 17 16 16 16
SDSPL KT-FT/100029 11 11 17 15 12 8 7 6 5 5 5
WEDNESDAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CWR.................0 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........WEST WINDS 7 TO 12 MPH.
MIXING HEIGHT.......7700 FT AGL.
TRANSPORT WINDS.....WEST 14 TO 23 MPH SHIFTING TO THE NORTHWEST 18
TO 24 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4400 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (85700 KNOT-FT) IN THE
AFTERNOON INCREASING TO VERY GOOD (112900
KNOT-FT) EARLY IN THE MORNING INCREASING TO
EXCELLENT (162100 KNOT-FT) IN THE AFTERNOON
LATE IN THE AFTERNOON, THEN DECREASING TO FAIR
(49900 KNOT-FT) LATE IN THE AFTERNOON.
TIME (MDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........17 19 19 22 24 24 25 28 30 32 31 30
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
TEMP............43 42 46 49 57 61 66 68 70 72 71 70
RH..............65 67 58 54 40 36 30 27 24 23 25 25
20 FT WIND DIR..W W W W W W W W W W NW NW
20 FT WIND SPD..7 8 8 8 9 10 12 12 12 12 12 10
20 FT WIND GUST.15 15 15 16 17 20 21 23 23 23 21 18
MIX HGT (KFT)...0.3 0.3 0.3 0.4 1.2 1.9 2.8 4.8 6.8 7.7 5.9 3.1
TRANSP WIND DIR.W W W W W W W W W W NW NW
TRANSP WIND SPD.15 16 15 14 15 16 18 21 23 24 22 18
SDSPL KT-FT/10004 4 4 5 15 26 44 86 136 162 113 50
FORECASTER...MOSE
REQUESTED BY...BEN JECH
TYPE OF REQUEST...PRESCRIBED
.TAG 2605170.2/CYS
.DELDT 03/17/26
.FORMATTERVERSION 2.0.0
.EMAIL BENJAMIN.J.JECH@USDA.GOV
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