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Flash Flood Warning 0022
Issued by the Cheyenne Forecast Office

Action Issued Starts Expiration
New 2026-08-15 17:05:29 2026-08-15 17:05:00 2026-08-15 20:00:00
Expired 2026-08-15 19:53:34 2026-08-15 20:00:00


Action: New
Issued At: 2026-08-15 17:05:29

153 
WGUS55 KCYS 152205
FFWCYS
NEC105-160100-
/O.NEW.KCYS.FF.W.0022.260815T2205Z-260816T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Cheyenne has issued a

* Flash Flood Warning for...
  Southeastern Kimball County in the panhandle of Nebraska...

* Until 700 PM MDT.

* At 405 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.75 and 1.5 inches of 
  rain have fallen. Additional rainfall amounts of 1 to 2 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...
  mainly rural areas of Southeastern Kimball County

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 4114 10343 4107 10344 4100 10348 4100 10371
      4107 10367 4113 10357

FLASH FLOOD...RADAR INDICATED

$$

Trudel


Action: Expired
Issued At: 2026-08-15 19:53:34

060 
WGUS75 KCYS 160053
FFSCYS

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

NEC105-160103-
/O.EXP.KCYS.FF.W.0022.000000T0000Z-260816T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kimball NE-
653 PM MDT Sat Aug 15 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 7 PM MDT THIS EVENING FOR 
SOUTHEASTERN KIMBALL COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed any remaining road closures.

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

&&

LAT...LON 4114 10343 4107 10344 4100 10348 4100 10371
      4107 10367 4113 10357

$$

Trudel



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