561
WWUS75 KCYS 100259
NPWCYS
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
759 PM MST TUE DEC 9 2025
WYZ101-101100-
/O.EXP.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
/O.CON.KCYS.HW.A.0045.251210T1800Z-251212T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-
INCLUDING THE CITIES OF BILL, GLENROCK, DEER CREEK, AND DOUGLAS
759 PM MST TUE DEC 9 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
..HIGH WIND WARNING WILL EXPIRE AT 8 PM MST THIS EVENING
* WHAT...WEST WINDS 30 TO 40 MPH WITH GUSTS UP TO 60 MPH POSSIBLE
WEDNESDAY AFTERNOON INTO THURSDAY AFTERNOON.
* WHERE...CONVERSE COUNTY LOWER ELEVATIONS.
* WHEN...FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON.
* IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL BE
HAZARDOUS TO LIGHT WEIGHT OR HIGH PROFILE VEHICLES, INCLUDING
CAMPERS AND TRACTOR TRAILERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER CAN LEAD TO PROPERTY DAMAGE.
A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH
WIND EVENT. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS.
WYZ104-109-101100-
/O.EXP.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
/O.CON.KCYS.HW.A.0044.251210T1200Z-251212T0000Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL CARBON COUNTY-
INCLUDING THE CITIES OF SEMINOE DAM AND RAWLINS
759 PM MST TUE DEC 9 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM 5 AM MST WEDNESDAY THROUGH
THURSDAY AFTERNOON...
..HIGH WIND WARNING WILL EXPIRE AT 8 PM MST THIS EVENING
* WHAT...SOUTHWEST WINDS 30 TO 40 MPH WITH GUSTS UP TO 60 MPH
POSSIBLE WEDNESDAY INTO THURSDAY AFTERNOON.
* WHERE...CENTRAL CARBON COUNTY AND FERRIS/SEMINOE/SHIRLEY MOUNTAINS.
* WHEN...FROM 5 AM MST WEDNESDAY THROUGH THURSDAY AFTERNOON.
* IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL BE
HAZARDOUS TO LIGHT WEIGHT OR HIGH PROFILE VEHICLES, INCLUDING
CAMPERS AND TRACTOR TRAILERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER CAN LEAD TO PROPERTY DAMAGE.
A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH
WIND EVENT. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS.
WYZ105-101100-
/O.EXP.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
/O.CON.KCYS.HW.A.0044.251210T1500Z-251212T0000Z/
SHIRLEY BASIN-
INCLUDING THE CITIES OF MEDICINE BOW AND SHIRLEY BASIN
759 PM MST TUE DEC 9 2025
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
..HIGH WIND WARNING WILL EXPIRE AT 8 PM MST THIS EVENING
* WHAT...WEST WINDS 30 TO 40 MPH WITH GUSTS UP TO 65 MPH POSSIBLE
WEDNESDAY INTO THURSDAY AFTERNOON.
* WHERE...SHIRLEY BASIN.
* WHEN...FROM WEDNESDAY MORNING THROUGH THURSDAY AFTERNOON.
* IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL BE
HAZARDOUS TO LIGHT WEIGHT OR HIGH PROFILE VEHICLES, INCLUDING
CAMPERS AND TRACTOR TRAILERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER CAN LEAD TO PROPERTY DAMAGE.
A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH
WIND EVENT. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS.
NEZ002-003-019>021-054-055-095-096-WYZ102-108-119-100400-
/O.EXP.KCYS.HW.W.0053.000000T0000Z-251210T0300Z/
DAWES COUNTY-BOX BUTTE COUNTY-SCOTTS BLUFF COUNTY-BANNER COUNTY-
MORRILL COUNTY-KIMBALL COUNTY-CHEYENNE COUNTY-NORTHERN SIOUX
COUNTY-SOUTHERN SIOUX COUNTY-NIOBRARA COUNTY-GOSHEN COUNTY-EAST
LARAMIE COUNTY-
INCLUDING THE CITIES OF BAYARD, ALLIANCE, ANGORA, CHADRON ST
PARK, REDINGTON, SIDNEY, HARRISBURG, KIMBALL, AGATE, REDBIRD,
TORRINGTON, HEMINGFORD, BRIDGEPORT, SCOTTSBLUFF, CHADRON, LUSK,
GERING, HARRISON, BROWNSON, AND PINE BLUFFS
759 PM MST TUE DEC 9 2025
..HIGH WIND WARNING WILL EXPIRE AT 8 PM MST THIS EVENING
WINDS HAVE LESSENED BELOW WARNING CRITERIA, THOUGH MAY REMAIN BREEZY
THROUGH THE NIGHT. THEREFORE THE HIGH WIND WARNING WILL BE ALLOWED
TO EXPIRE.
WYZ106-117-101100-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
/O.CON.KCYS.HW.W.0052.251210T1600Z-251212T0700Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-SOUTH LARAMIE
RANGE FOOTHILLS-
INCLUDING THE CITIES OF HORSE CREEK, WHITAKER, FEDERAL, AND
BORDEAUX
759 PM MST TUE DEC 9 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT
...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 AM WEDNESDAY TO
MIDNIGHT MST THURSDAY NIGHT...
* WHAT...WEST WINDS 35 TO 55 MPH WITH GUSTS UP TO 90 MPH THROUGH
TUESDAY EVENING. THEN, AFTER A BREAK OVERNIGHT, WEST WINDS 35 TO
50 MPH WITH GUSTS UP TO 80 MPH EXPECTED WEDNESDAY LATE MORNING
THROUGH THURSDAY NIGHT.
* WHERE...BORDEAUX AREA ALONG INTERSTATE 25 BETWEEN CHUGWATER AND
WHEATLAND, AND SOUTH LARAMIE RANGE FOOTHILLS.
* WHEN...FOR THE FIRST HIGH WIND WARNING, UNTIL MIDNIGHT MST
TONIGHT. FOR THE SECOND HIGH WIND WARNING, FROM 9 AM WEDNESDAY TO
MIDNIGHT MST THURSDAY NIGHT.
* IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL BE
HAZARDOUS TO LIGHT WEIGHT OR HIGH PROFILE VEHICLES, INCLUDING
CAMPERS AND TRACTOR TRAILERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER CAN LEAD TO PROPERTY DAMAGE.
A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH
WIND EVENT. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS.
WYZ107-101100-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
/O.CON.KCYS.HW.A.0044.251210T1800Z-251212T0000Z/
EAST PLATTE COUNTY-
INCLUDING THE CITIES OF WHEATLAND AND GUERNSEY
759 PM MST TUE DEC 9 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
* WHAT...FOR THE HIGH WIND WARNING, NORTHWEST WINDS 40 TO 50 MPH
WITH GUSTS UP TO 75 MPH. FOR THE HIGH WIND WATCH, WEST WINDS 30 TO
40 MPH WITH GUSTS UP TO 70 MPH POSSIBLE.
* WHERE...EAST PLATTE COUNTY.
* WHEN...FOR THE HIGH WIND WARNING, UNTIL MIDNIGHT MST TONIGHT. FOR
THE HIGH WIND WATCH, FROM WEDNESDAY MORNING THROUGH THURSDAY
AFTERNOON.
* IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL BE
HAZARDOUS TO LIGHT WEIGHT OR HIGH PROFILE VEHICLES, INCLUDING
CAMPERS AND TRACTOR TRAILERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER CAN LEAD TO PROPERTY DAMAGE.
A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH
WIND EVENT. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS.
WYZ113-115-101100-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
/O.CON.KCYS.HW.A.0044.251210T1500Z-251212T0000Z/
UPPER NORTH PLATTE RIVER BASIN-LARAMIE VALLEY-
INCLUDING THE CITIES OF SARATOGA, LARAMIE, ENCAMPMENT, AND BOSLER
759 PM MST TUE DEC 9 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY AFTERNOON...
* WHAT...WEST WINDS 40 TO 50 MPH WITH GUSTS UP TO 75 MPH EXPECTED
THROUGH TUESDAY EVENING. THEN, AFTER A BREAK, WEST WINDS 35 TO 45
MPH WITH GUSTS UP TO 70 MPH POSSIBLE WEDNESDAY THROUGH THURSDAY
AFTERNOON.
* WHERE...UPPER NORTH PLATTE RIVER BASIN AND LARAMIE VALLEY.
* WHEN...FOR THE HIGH WIND WARNING, UNTIL MIDNIGHT MST TONIGHT. FOR
THE HIGH WIND WATCH, FROM WEDNESDAY MORNING THROUGH THURSDAY
AFTERNOON.
* IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL BE
HAZARDOUS TO LIGHT WEIGHT OR HIGH PROFILE VEHICLES, INCLUDING
CAMPERS AND TRACTOR TRAILERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER CAN LEAD TO PROPERTY DAMAGE.
A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH
WIND EVENT. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS.
WYZ118-101100-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
/O.CON.KCYS.HW.A.0044.251210T1600Z-251212T0300Z/
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF CHEYENNE
759 PM MST TUE DEC 9 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT
...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY EVENING...
* WHAT...WEST WINDS 35 TO 45 MPH WITH GUSTS UP TO 75 MPH EXPECTED
THROUGH TUESDAY EVENING. THEN, AFTER A BREAK, WEST WINDS 35 TO 45
MPH WITH GUSTS UP TO 70 MPH POSSIBLE WEDNESDAY AFTERNOON INTO
THURSDAY EVENING.
* WHERE...CENTRAL LARAMIE COUNTY.
* WHEN...FOR THE HIGH WIND WARNING, UNTIL MIDNIGHT MST TONIGHT. FOR
THE HIGH WIND WATCH, FROM WEDNESDAY MORNING THROUGH THURSDAY
EVENING.
* IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL BE
HAZARDOUS TO LIGHT WEIGHT OR HIGH PROFILE VEHICLES, INCLUDING
CAMPERS AND TRACTOR TRAILERS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER CAN LEAD TO PROPERTY DAMAGE.
A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS HIGH
WIND EVENT. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST FORECASTS.
WYZ103-100700-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
NORTH LARAMIE RANGE-
INCLUDING THE CITIES OF GARRETT
759 PM MST TUE DEC 9 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT
* WHAT...WEST WINDS 35 TO 55 MPH WITH GUSTS UP TO 90 MPH EXPECTED.
* WHERE...NORTH LARAMIE RANGE.
* WHEN...UNTIL MIDNIGHT MST TONIGHT.
* IMPACTS...VERY STRONG WINDS WILL HAVE THE POTENTIAL TO BRING DOWN
TREES AND CAUSE PROPERTY DAMAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING.
WYZ110-116-101100-
/O.CON.KCYS.HW.W.0052.000000T0000Z-251212T1200Z/
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF ELK MOUNTAIN, BUFORD, VEDAUWOO, PUMPKIN
VINE, AND ARLINGTON
759 PM MST TUE DEC 9 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY
* WHAT...WEST WINDS 35 TO 55 MPH WITH GUSTS UP TO 90 MPH THROUGH
TUESDAY EVENING. THEN, AFTER A POSSIBLE SHORT BREAK, WEST WINDS 35
TO 50 MPH WITH GUSTS UP TO 75 MPH EXPECTED WEDNESDAY INTO EARLY
FRIDAY.
* WHERE...NORTH SNOWY RANGE FOOTHILLS AND SOUTH LARAMIE RANGE.
* WHEN...UNTIL 5 AM MST FRIDAY.
* IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL BE
HAZARDOUS TO LIGHT WEIGHT OR HIGH PROFILE VEHICLES, INCLUDING
CAMPERS AND TRACTOR TRAILERS.
* ADDITIONAL DETAILS...THIS WILL BE A LONG DURATION WIND EVENT. WIND
GUSTS EXCEEDING 60 MPH ARE EXPECTED PERIODICALLY THROUGH FRIDAY
MORNING. CERTAIN TIME PERIODS WILL HAVE THE POTENTIAL FOR GUSTS OF
UP TO 90 MPH, BUT THIS THREAT WILL NOT BE PRESENT FOR THE ENTIRE
TIME PERIOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER CAN LEAD TO PROPERTY DAMAGE.
WYZ114-100700-
/O.CON.KCYS.HW.W.0053.000000T0000Z-251210T0700Z/
SNOWY RANGE-
INCLUDING THE CITIES OF CENTENNIAL AND ALBANY
759 PM MST TUE DEC 9 2025
..HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT
* WHAT...WEST WINDS 35 TO 45 MPH WITH GUSTS UP TO 90 MPH EXPECTED.
* WHERE...SNOWY RANGE.
* WHEN...UNTIL MIDNIGHT MST TONIGHT.
* IMPACTS...MAINLY TO TRANSPORTATION. STRONG CROSS WINDS WILL BE
HAZARDOUS TO LIGHT WEIGHT OR HIGH PROFILE VEHICLES, INCLUDING
CAMPERS AND TRACTOR TRAILERS.
* ADDITIONAL DETAILS...VERY STRONG WINDS WILL HAVE THE POTENTIAL TO
BRING DOWN TREES AND CAUSE PROPERTY DAMAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR
OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58
MPH OR STRONGER CAN LEAD TO PROPERTY DAMAGE.
CG
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