621
WWUS75 KCYS 202334
NPWCYS
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
534 PM MDT MON JUL 20 2026
NEZ002-095-210200-
/O.EXT.KCYS.HT.Y.0002.000000T0000Z-260721T0200Z/
DAWES COUNTY-NORTHERN SIOUX COUNTY-
INCLUDING THE CITIES OF CHADRON ST PARK, HARRISON, AND CHADRON
534 PM MDT MON JUL 20 2026
..HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM MDT THIS EVENING
* WHAT...TEMPERATURES REMAINING IN THE UPPER 90'S TO LOW 100'S
THROUGH THE NEXT SEVERAL HOURS.
* WHERE...DAWES COUNTY AND NORTHERN SIOUX COUNTY.
* WHEN...UNTIL 8 PM MDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
NEZ003-019>021-096-WYZ101-102-108-210200-
/O.EXT.KCYS.HT.Y.0002.000000T0000Z-260721T0200Z/
BOX BUTTE COUNTY-SCOTTS BLUFF COUNTY-BANNER COUNTY-MORRILL COUNTY-
SOUTHERN SIOUX COUNTY-CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA
COUNTY-GOSHEN COUNTY-
INCLUDING THE CITIES OF BILL, LUSK, GLENROCK, REDBIRD, REDINGTON,
HEMINGFORD, TORRINGTON, BAYARD, HARRISBURG, ALLIANCE, BRIDGEPORT,
DOUGLAS, DEER CREEK, GERING, SCOTTSBLUFF, ANGORA, AND AGATE
534 PM MDT MON JUL 20 2026
..HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM MDT THIS EVENING
* WHAT...TEMPERATURES REMAINING IN THE UPPER 90'S TO LOW 100'S
THROUGH THE NEXT SEVERAL HOURS.
* WHERE...IN NEBRASKA, BANNER COUNTY, BOX BUTTE COUNTY, MORRILL
COUNTY, SCOTTS BLUFF COUNTY, AND SOUTHERN SIOUX COUNTY. IN
WYOMING, CONVERSE COUNTY LOWER ELEVATIONS, NIOBRARA COUNTY, AND
GOSHEN COUNTY.
* WHEN...UNTIL 8 PM MDT THIS EVENING.
* IMPACTS...HOT TEMPERATURES MAY CAUSE HEAT ILLNESSES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.
CG
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