553 
WGUS55 KCYS 142213
FFWCYS
WYC021-150115-
/O.NEW.KCYS.FF.W.0020.260814T2213Z-260815T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Cheyenne WY
413 PM MDT Fri Aug 14 2026

The National Weather Service in Cheyenne has issued a

* Flash Flood Warning for...
  Southwestern Laramie County in southeastern Wyoming...

* Until 715 PM MDT.

* At 413 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2 inches of 
  rain have fallen. The expected rainfall rate is 1 to 1.5 inches in 
  1 hour. Additional rainfall amounts of 1 to 1.5 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  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...
  Cheyenne, Happy Valley, Federal, Table Mountain Ranches, Rocking 
  Star Ranch, Willadsen Estates, Silver Sage Estates, Warren AFB, 
  Frontier Park, Cheyenne Regional Airport, South Cheyenne, South 
  Greeley Highway, North Cheyenne, Bison Crossing, Fox Farm-College, 
  Winchester Hills, Ranchettes, Laramie County Fairgrounds at 
  Archer, Granite Canon and Cowboy Ranch South.

This includes the following highways...
Interstate 25 in Wyoming between mile markers 1 and 5...and
between mile markers 6 and 22.
Interstate 80 in Wyoming between mile markers 342 and 371.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, dont drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

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

&&

LAT...LON 4134 10472 4127 10464 4100 10463 4100 10466
      4100 10468 4100 10470 4100 10475 4100 10478
      4100 10480 4100 10483 4100 10486 4100 10487
      4100 10494 4100 10514 4100 10516 4100 10521
      4123 10516

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

$$

Brauer

926 
WGUS75 KCYS 150122
FFSCYS

Flash Flood Statement
National Weather Service Cheyenne WY
722 PM MDT Fri Aug 14 2026

WYC021-150132-
/O.EXP.KCYS.FF.W.0020.000000T0000Z-260815T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Laramie WY-
722 PM MDT Fri Aug 14 2026

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN LARAMIE COUNTY...

Please continue to heed remaining road closures.

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

&&

LAT...LON 4134 10472 4127 10464 4100 10463 4100 10466
      4100 10468 4100 10470 4100 10475 4100 10478
      4100 10480 4100 10483 4100 10486 4100 10487
      4100 10494 4100 10514 4100 10516 4100 10521
      4123 10516

$$

Brauer