307
FNUS75 KCYS 271440
FWSCYS
SPOT FORECAST FOR HAZ MAT TRAINING EXERCISE...CITY OF SCOTTSBLUFF FIRE
NATIONAL WEATHER SERVICE CHEYENNE WY
840 AM MDT THU AUG 27 2026
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE AT (307) 772-2227
DISCUSSION
ALTHOUGH A RIDGE ALOFT WILL PREVAIL ACROSS WYOMING TODAY, SURFACE LOW
PRESSURE WILL DEVELOP OVER CENTRAL WYOMING THIS AFTERNOON, WITH A
LOW LEVEL CONVERGENCE BOUNDARY DEVELOPING FROM RAWLINS TO SIDNEY.
FOR THE TRAINING EXERCISE, ISOLATED TO WIDELY SCATTERED THUNDERSTORMS,
A 10 TO 20 PERCENT COVERAGE OF THUNDERSTORMS, ARE POSSIBLE THIS
AFTERNOON AND EARLY EVENING FROM 3 PM TO 8 PM.
A MARGINAL RISK OF SEVERE THUNDERSTORMS EXISTS THIS AFTERNOON AND
EVENING, WITH ISOLATED SEVERE STORMS POSSIBLE, PRODUCING WIND GUSTS
IN EXCESS OF 60 MPH AND/OR HAIL OF ONE INCH DIAMETER OR LARGER.
THE LATEST HOURLY MODEL RUNS, THE HRRR, SUGGESTS LITTLE CHANCE FOR
THUNDERSTORMS FOR THE TRAINING EXERCISE, HOWEVER, THE POSSIBILITY
STILL EXISTS, SO PLEASE CONTINUE TO MONITOR THE LATEST UPDATES
FROM YOUR NATIONAL WEATHER SERVICE TEAM.
REST OF TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT). SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........26 PERCENT.
SURFACE WINDS (MPH).SOUTHEAST WINDS 8 TO 13 MPH.
TIME (MDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6 4 4 4 5 7 11 26 20
WEATHER COV..... SCH SCH SCH
WEATHER TYPE.... RW RW RW
TSTM COV........ SCH SCH SCH
CHC OF PCPN (%).0 0 0 0 0 0 20 20 20
TEMP............69 75 79 85 87 88 91 90 90
RH..............76 62 52 41 35 30 26 26 27
SURFACE WND DIR.SE SE S S S S S SE SE
SURFACE WND SPD.8 9 10 12 12 12 12 13 13
SURFACE WND GST.12 13 15 16 17 17 17 18 20
FORECASTER...RUBIN
REQUESTED BY...CHRISTOPHER PERALES
TYPE OF REQUEST...HAZMAT
.TAG 2620699.0/CYS
.DELDT 08/27/26
.FORMATTERVERSION 2.0.0
.EMAIL CPERALES@SCOTTSBLUFF.ORG
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page