173
WWUS75 KCYS 181617
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1017 AM MDT Sat Jul 18 2026

NEZ002-095-191200-
/O.CON.KCYS.HT.Y.0002.260718T1800Z-260721T0000Z/
Dawes County-Northern Sioux County-
Including the cities of Chadron, Harrison, and Chadron St Park
1017 AM MDT Sat Jul 18 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT MONDAY...

* WHAT...Afternoon temperatures in the upper 90`s to low 100`s with
  overnight lows in the mid 60`s to low 70`s.

* WHERE...Dawes County and Northern Sioux County.

* WHEN...Until 6 PM MDT Monday.

* IMPACTS...Hot temperatures and high humidity 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-WYZ101-102-108-191200-
/O.CON.KCYS.HT.Y.0002.260719T1800Z-260721T0000Z/
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 Glenrock, Hemingford, Scottsbluff,
Bayard, Agate, Bill, Bridgeport, Redington, Redbird, Torrington,
Alliance, Gering, Douglas, Angora, Deer Creek, Lusk, and
Harrisburg
1017 AM MDT Sat Jul 18 2026

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO 6 PM MDT
MONDAY...

* WHAT...Afternoon temperatures in the upper 90`s to low 100`s with
  overnight lows in the mid 60`s to low 70`s.

* 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...From noon Sunday to 6 PM MDT Monday.

* IMPACTS...Hot temperatures and high humidity 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.

&&

$$

MM