786 
WGUS55 KCYS 152047
FFWCYS
NEC045-165-152145-
/O.NEW.KCYS.FF.W.0021.260815T2047Z-260815T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cheyenne WY
247 PM MDT Sat Aug 15 2026

The National Weather Service in Cheyenne has issued a

* Flash Flood Warning for...
  West Central Dawes County in the panhandle of Nebraska...
  Northeastern Sioux County in the panhandle of Nebraska...

* Until 345 PM MDT.

* At 247 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1.25 inches of 
  rain have fallen. The expected rainfall rate is 1.5 to 3 inches in 
  1 hour. Flash flooding is ongoing or expected to begin shortly.

Excessive rainfall over the burn scar may result in debris flow 
moving through the South Fork and Soldier Creek area. The debris 
flow can consist of rock, mud, vegetation and other loose materials.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Crawford, Fort Robinson State Park and Soldier Creek Campground.

This includes the following streams and drainages...
Tucker Creek, White River, Middle Fork Soldier Creek, Sand Creek, 
Boggy Creek, Cherry Creek, Bozle Creek, North Fork Soldier Creek, 
Soldier Creek, Smiley Canyon Creek, Little Cottonwood Creek and 
Spring Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is a life threatening situation. Heavy rainfall will cause 
extensive and severe flash flooding of creeks...streams...and 
ditches in the  Burn Scar. Severe debris flows can also be 
anticipated across roads. Roads and driveways may be washed away in 
places. If you encounter flood waters...climb to safety.

Move to higher ground now. Act quickly to protect your life.

Be aware of your surroundings and do not drive on flooded roads.

Flooding is occurring or is imminent. It is important to know where 
you are relative to streams, rivers, or creeks which can become 
killers in heavy rains. Campers and hikers should avoid streams or 
creeks.

&&

LAT...LON 4278 10366 4276 10338 4265 10342 4266 10369

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...1.5-3 INCHES IN 1 HOUR

$$

MM

658 
WGUS75 KCYS 152147
FFSCYS

Flash Flood Statement
National Weather Service Cheyenne WY
347 PM MDT Sat Aug 15 2026

NEC045-165-152157-
/O.EXP.KCYS.FF.W.0021.000000T0000Z-260815T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dawes NE-Sioux NE-
347 PM MDT Sat Aug 15 2026

...FLASH FLOOD WARNING HAS EXPIRED FOR WEST CENTRAL DAWES AND 
NORTHEASTERN SIOUX COUNTIES...

Flood waters have receded. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

A Flood Watch remains in effect until 1000 PM MDT Saturday for 
portions of panhandle Nebraska and Wyoming.

&&

LAT...LON 4278 10366 4276 10338 4265 10342 4266 10369

$$

Trudel